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55 KiB
55 KiB
JC Examples
acpi
acpi -V | jc --acpi -p # or: jc -p acpi -V
[
{
"type": "Battery",
"id": 0,
"state": "Charging",
"charge_percent": 71,
"until_charged": "00:29:20",
"design_capacity_mah": 2110,
"last_full_capacity": 2271,
"last_full_capacity_percent": 100
},
{
"type": "Adapter",
"id": 0,
"on-line": true
},
{
"type": "Thermal",
"id": 0,
"mode": "ok",
"temperature": 46.0,
"temperature_unit": "C",
"trip_points": [
{
"id": 0,
"switches_to_mode": "critical",
"temperature": 127.0,
"temperature_unit": "C"
},
{
"id": 1,
"switches_to_mode": "hot",
"temperature": 127.0,
"temperature_unit": "C"
}
]
},
{
"type": "Cooling",
"id": 0,
"messages": [
"Processor 0 of 10"
]
},
{
"type": "Cooling",
"id": 1,
"messages": [
"Processor 0 of 10"
]
}
]
airport -I
airport -I | jc --airport -p # or: jc -p airport -I
{
"agrctlrssi": -66,
"agrextrssi": 0,
"agrctlnoise": -90,
"agrextnoise": 0,
"state": "running",
"op_mode": "station",
"lasttxrate": 195,
"maxrate": 867,
"lastassocstatus": 0,
"802_11_auth": "open",
"link_auth": "wpa2-psk",
"bssid": "3c:37:86:15:ad:f9",
"ssid": "SnazzleDazzle",
"mcs": 0,
"channel": "48,80"
}
airport -s
airport -s | jc --airport-s -p # or: jc -p airport -s
[
{
"ssid": "DIRECT-4A-HP OfficeJet 3830",
"bssid": "00:67:eb:2a:a7:3b",
"rssi": -90,
"channel": "6",
"ht": true,
"cc": "--",
"security": [
"WPA2(PSK/AES/AES)"
]
},
{
"ssid": "Latitude38",
"bssid": "c0:ff:d5:d2:7a:f3",
"rssi": -85,
"channel": "11",
"ht": true,
"cc": "US",
"security": [
"WPA2(PSK/AES/AES)"
]
},
{
"ssid": "xfinitywifi",
"bssid": "6e:e3:0e:b8:45:99",
"rssi": -83,
"channel": "11",
"ht": true,
"cc": "US",
"security": [
"NONE"
]
}
]
arp
arp | jc --arp -p # or: jc -p arp
[
{
"address": "gateway",
"hwtype": "ether",
"hwaddress": "00:50:56:f7:4a:fc",
"flags_mask": "C",
"iface": "ens33"
},
{
"address": "192.168.71.1",
"hwtype": "ether",
"hwaddress": "00:50:56:c0:00:08",
"flags_mask": "C",
"iface": "ens33"
},
{
"address": "192.168.71.254",
"hwtype": "ether",
"hwaddress": "00:50:56:fe:7a:b4",
"flags_mask": "C",
"iface": "ens33"
}
]
arp -a | jc --arp -p # or: jc -p arp -a
[
{
"name": null,
"address": "192.168.71.1",
"hwtype": "ether",
"hwaddress": "00:50:56:c0:00:08",
"iface": "ens33",
"permanent": true
},
{
"name": null,
"address": "192.168.71.254",
"hwtype": "ether",
"hwaddress": "00:50:56:fe:7a:b4",
"iface": "ens33",
"permanent": true
},
{
"name": "_gateway",
"address": "192.168.71.2",
"hwtype": "ether",
"hwaddress": "00:50:56:f7:4a:fc",
"iface": "ens33",
"permanent": false,
"expires": 110
}
]
blkid
blkid | jc --blkid -p # or: jc -p blkid
[
{
"device": "/dev/sda1",
"uuid": "05d927ab-5875-49e4-ada1-7f46cb32c932",
"type": "xfs"
},
{
"device": "/dev/sda2",
"uuid": "3klkIj-w1kk-DkJi-0XBJ-y3i7-i2Ac-vHqWBM",
"type": "LVM2_member"
},
{
"device": "/dev/mapper/centos-root",
"uuid": "07d718ff-950c-4e5b-98f0-42a1147c77d9",
"type": "xfs"
},
{
"device": "/dev/mapper/centos-swap",
"uuid": "615eb89a-bcbf-46fd-80e3-c483ff5c931f",
"type": "swap"
}
]
blkid -o udev -ip /dev/sda2 | jc --blkid -p # or: jc -p blkid -o udev -ip /dev/sda2
[
{
"id_fs_uuid": "3klkIj-w1kk-DkJi-0XBJ-y3i7-i2Ac-vHqWBM",
"id_fs_uuid_enc": "3klkIj-w1kk-DkJi-0XBJ-y3i7-i2Ac-vHqWBM",
"id_fs_version": "LVM220001",
"id_fs_type": "LVM2_member",
"id_fs_usage": "raid",
"id_iolimit_minimum_io_size": 512,
"id_iolimit_physical_sector_size": 512,
"id_iolimit_logical_sector_size": 512,
"id_part_entry_scheme": "dos",
"id_part_entry_type": "0x8e",
"id_part_entry_number": 2,
"id_part_entry_offset": 2099200,
"id_part_entry_size": 39843840,
"id_part_entry_disk": "8:0"
}
]
cksum
cksum * | jc --cksum -p # or: jc -p cksum *
[
{
"filename": "__init__.py",
"checksum": 4294967295,
"blocks": 0
},
{
"filename": "airport.py",
"checksum": 2208551092,
"blocks": 3745
},
{
"filename": "airport_s.py",
"checksum": 1113817598,
"blocks": 4572
}
]
crontab
cat /etc/crontab | jc --crontab -p # or: jc -p crontab -l
{
"variables": [
{
"name": "MAILTO",
"value": "root"
},
{
"name": "PATH",
"value": "/sbin:/bin:/usr/sbin:/usr/bin"
},
{
"name": "SHELL",
"value": "/bin/bash"
}
],
"schedule": [
{
"minute": [
"5"
],
"hour": [
"10-11",
"22"
],
"day_of_month": [
"*"
],
"month": [
"*"
],
"day_of_week": [
"*"
],
"command": "/var/www/devdaily.com/bin/mk-new-links.php"
},
{
"minute": [
"30"
],
"hour": [
"4/2"
],
"day_of_month": [
"*"
],
"month": [
"*"
],
"day_of_week": [
"*"
],
"command": "/var/www/devdaily.com/bin/create-all-backups.sh"
},
{
"occurrence": "yearly",
"command": "/home/maverick/bin/annual-maintenance"
},
{
"occurrence": "reboot",
"command": "/home/cleanup"
},
{
"occurrence": "monthly",
"command": "/home/maverick/bin/tape-backup"
}
]
}
crontab-u (with user support)
cat /etc/crontab | jc --crontab-u -p
{
"variables": [
{
"name": "MAILTO",
"value": "root"
},
{
"name": "PATH",
"value": "/sbin:/bin:/usr/sbin:/usr/bin"
},
{
"name": "SHELL",
"value": "/bin/bash"
}
],
"schedule": [
{
"minute": [
"5"
],
"hour": [
"10-11",
"22"
],
"day_of_month": [
"*"
],
"month": [
"*"
],
"day_of_week": [
"*"
],
"user": "root",
"command": "/var/www/devdaily.com/bin/mk-new-links.php"
},
{
"minute": [
"30"
],
"hour": [
"4/2"
],
"day_of_month": [
"*"
],
"month": [
"*"
],
"day_of_week": [
"*"
],
"user": "root",
"command": "/var/www/devdaily.com/bin/create-all-backups.sh"
},
{
"occurrence": "yearly",
"user": "root",
"command": "/home/maverick/bin/annual-maintenance"
},
{
"occurrence": "reboot",
"user": "root",
"command": "/home/cleanup"
},
{
"occurrence": "monthly",
"user": "root",
"command": "/home/maverick/bin/tape-backup"
}
]
}
CSV files
cat homes.csv
"Sell", "List", "Living", "Rooms", "Beds", "Baths", "Age", "Acres", "Taxes"
142, 160, 28, 10, 5, 3, 60, 0.28, 3167
175, 180, 18, 8, 4, 1, 12, 0.43, 4033
129, 132, 13, 6, 3, 1, 41, 0.33, 1471
...
cat homes.csv | jc --csv -p
[
{
"Sell": "142",
"List": "160",
"Living": "28",
"Rooms": "10",
"Beds": "5",
"Baths": "3",
"Age": "60",
"Acres": "0.28",
"Taxes": "3167"
},
{
"Sell": "175",
"List": "180",
"Living": "18",
"Rooms": "8",
"Beds": "4",
"Baths": "1",
"Age": "12",
"Acres": "0.43",
"Taxes": "4033"
},
{
"Sell": "129",
"List": "132",
"Living": "13",
"Rooms": "6",
"Beds": "3",
"Baths": "1",
"Age": "41",
"Acres": "0.33",
"Taxes": "1471"
}
]
date
date | jc --date -p # or: jc -p date
{
"year": 2020,
"month_num": 7,
"day": 31,
"hour": 16,
"minute": 48,
"second": 11,
"period": null,
"month": "Jul",
"weekday": "Fri",
"weekday_num": 6,
"timezone": "PDT"
}
df
df | jc --df -p # or: jc -p df
[
{
"filesystem": "devtmpfs",
"1k_blocks": 1918816,
"used": 0,
"available": 1918816,
"use_percent": 0,
"mounted_on": "/dev"
},
{
"filesystem": "tmpfs",
"1k_blocks": 1930664,
"used": 0,
"available": 1930664,
"use_percent": 0,
"mounted_on": "/dev/shm"
}
]
dig
dig cnn.com www.cnn.com @205.251.194.64 | jc --dig -p # or: jc -p dig cnn.com www.cnn.com @205.251.194.64
[
{
"id": 5509,
"opcode": "QUERY",
"status": "NOERROR",
"flags": [
"qr",
"rd",
"ra"
],
"query_num": 1,
"answer_num": 4,
"authority_num": 0,
"additional_num": 1,
"question": {
"name": "cnn.com.",
"class": "IN",
"type": "A"
},
"answer": [
{
"name": "cnn.com.",
"class": "IN",
"type": "A",
"ttl": 60,
"data": "151.101.129.67"
},
{
"name": "cnn.com.",
"class": "IN",
"type": "A",
"ttl": 60,
"data": "151.101.193.67"
},
{
"name": "cnn.com.",
"class": "IN",
"type": "A",
"ttl": 60,
"data": "151.101.1.67"
},
{
"name": "cnn.com.",
"class": "IN",
"type": "A",
"ttl": 60,
"data": "151.101.65.67"
}
],
"query_time": 28,
"server": "2600",
"when": "Tue Nov 12 07:13:03 PST 2019",
"rcvd": 100
},
{
"id": 62696,
"opcode": "QUERY",
"status": "NOERROR",
"flags": [
"qr",
"aa",
"rd"
],
"query_num": 1,
"answer_num": 1,
"authority_num": 4,
"additional_num": 1,
"question": {
"name": "www.cnn.com.",
"class": "IN",
"type": "A"
},
"answer": [
{
"name": "www.cnn.com.",
"class": "IN",
"type": "CNAME",
"ttl": 300,
"data": "turner-tls.map.fastly.net."
}
],
"authority": [
{
"name": "cnn.com.",
"class": "IN",
"type": "NS",
"ttl": 3600,
"data": "ns-1086.awsdns-07.org."
},
{
"name": "cnn.com.",
"class": "IN",
"type": "NS",
"ttl": 3600,
"data": "ns-1630.awsdns-11.co.uk."
},
{
"name": "cnn.com.",
"class": "IN",
"type": "NS",
"ttl": 3600,
"data": "ns-47.awsdns-05.com."
},
{
"name": "cnn.com.",
"class": "IN",
"type": "NS",
"ttl": 3600,
"data": "ns-576.awsdns-08.net."
}
],
"query_time": 29,
"server": "205.251.194.64#53(205.251.194.64)",
"when": "Tue Nov 12 07:13:03 PST 2019",
"rcvd": 212
}
]
dig -x 1.1.1.1 | jc --dig -p # or: jc -p dig -x 1.1.1.1
[
{
"id": 50324,
"opcode": "QUERY",
"status": "NOERROR",
"flags": [
"qr",
"rd",
"ra"
],
"query_num": 1,
"answer_num": 1,
"authority_num": 0,
"additional_num": 1,
"question": {
"name": "1.1.1.1.in-addr.arpa.",
"class": "IN",
"type": "PTR"
},
"answer": [
{
"name": "1.1.1.1.in-addr.arpa.",
"class": "IN",
"type": "PTR",
"ttl": 1634,
"data": "one.one.one.one."
}
],
"query_time": 36,
"server": "2600",
"when": "Tue Nov 12 07:13:49 PST 2019",
"rcvd": 78
}
]
dmidecode
dmidecode | jc --dmidecode -p # or: jc -p dmidecode
[
{
"handle": "0x0000",
"type": 0,
"bytes": 24,
"description": "BIOS Information",
"values": {
"vendor": "Phoenix Technologies LTD",
"version": "6.00",
"release_date": "04/13/2018",
"address": "0xEA490",
"runtime_size": "88944 bytes",
"rom_size": "64 kB",
"characteristics": [
"ISA is supported",
"PCI is supported",
"PC Card (PCMCIA) is supported",
"PNP is supported",
"APM is supported",
"BIOS is upgradeable",
"BIOS shadowing is allowed",
"ESCD support is available",
"Boot from CD is supported",
"Selectable boot is supported",
"EDD is supported",
"Print screen service is supported (int 5h)",
"8042 keyboard services are supported (int 9h)",
"Serial services are supported (int 14h)",
"Printer services are supported (int 17h)",
"CGA/mono video services are supported (int 10h)",
"ACPI is supported",
"Smart battery is supported",
"BIOS boot specification is supported",
"Function key-initiated network boot is supported",
"Targeted content distribution is supported"
],
"bios_revision": "4.6",
"firmware_revision": "0.0"
}
}
]
du
du /usr | jc --du -p # or: jc -p du /usr
[
{
"size": 104608,
"name": "/usr/bin"
},
{
"size": 56,
"name": "/usr/standalone/firmware/iBridge1_1Customer.bundle/Contents/_CodeSignature"
},
{
"size": 0,
"name": "/usr/standalone/firmware/iBridge1_1Customer.bundle/Contents/Resources/Firmware/usr/local/standalone"
},
{
"size": 0,
"name": "/usr/standalone/firmware/iBridge1_1Customer.bundle/Contents/Resources/Firmware/usr/local"
},
{
"size": 0,
"name": "/usr/standalone/firmware/iBridge1_1Customer.bundle/Contents/Resources/Firmware/usr"
},
{
"size": 1008,
"name": "/usr/standalone/firmware/iBridge1_1Customer.bundle/Contents/Resources/Firmware/dfu"
}
]
env
env | jc --env -p # or: jc -p env
[
{
"name": "XDG_SESSION_ID",
"value": "1"
},
{
"name": "HOSTNAME",
"value": "localhost.localdomain"
},
{
"name": "TERM",
"value": "vt220"
},
{
"name": "SHELL",
"value": "/bin/bash"
},
{
"name": "HISTSIZE",
"value": "1000"
}
]
file
file * | jc --file -p # or: jc -p file *
[
{
"filename": "Applications",
"type": "directory"
},
{
"filename": "another file with spaces",
"type": "empty"
},
{
"filename": "argstest.py",
"type": "Python script text executable, ASCII text"
},
{
"filename": "blkid-p.out",
"type": "ASCII text"
},
{
"filename": "blkid-pi.out",
"type": "ASCII text, with very long lines"
},
{
"filename": "cd_catalog.xml",
"type": "XML 1.0 document text, ASCII text, with CRLF line terminators"
},
{
"filename": "centosserial.sh",
"type": "Bourne-Again shell script text executable, UTF-8 Unicode text"
}
]
free
free | jc --free -p # or: jc -p free
[
{
"type": "Mem",
"total": 3861340,
"used": 220508,
"free": 3381972,
"shared": 11800,
"buff_cache": 258860,
"available": 3397784
},
{
"type": "Swap",
"total": 2097148,
"used": 0,
"free": 2097148
}
]
/etc/fstab file
cat /etc/fstab | jc --fstab -p
[
{
"fs_spec": "/dev/mapper/centos-root",
"fs_file": "/",
"fs_vfstype": "xfs",
"fs_mntops": "defaults",
"fs_freq": 0,
"fs_passno": 0
},
{
"fs_spec": "UUID=05d927bb-5875-49e3-ada1-7f46cb31c932",
"fs_file": "/boot",
"fs_vfstype": "xfs",
"fs_mntops": "defaults",
"fs_freq": 0,
"fs_passno": 0
},
{
"fs_spec": "/dev/mapper/centos-swap",
"fs_file": "swap",
"fs_vfstype": "swap",
"fs_mntops": "defaults",
"fs_freq": 0,
"fs_passno": 0
}
]
/etc/group file
cat /etc/group | jc --group -p
[
{
"group_name": "nobody",
"password": "*",
"gid": -2,
"members": []
},
{
"group_name": "nogroup",
"password": "*",
"gid": -1,
"members": []
},
{
"group_name": "wheel",
"password": "*",
"gid": 0,
"members": [
"root"
]
},
{
"group_name": "certusers",
"password": "*",
"gid": 29,
"members": [
"root",
"_jabber",
"_postfix",
"_cyrus",
"_calendar",
"_dovecot"
]
}
]
/etc/gshadow file
cat /etc/gshadow | jc --gshadow -p
[
{
"group_name": "root",
"password": "*",
"administrators": [],
"members": []
},
{
"group_name": "adm",
"password": "*",
"administrators": [],
"members": [
"syslog",
"joeuser"
]
}
]
hash
hash | jc --hash -p
[
{
"hits": 2,
"command": "/bin/cat"
},
{
"hits": 1,
"command": "/bin/ls"
}
]
hashsum
md5sum * | jc --hashsum -p # or: jc -p md5sum *
[
{
"filename": "devtoolset-3-gcc-4.9.2-6.el7.x86_64.rpm",
"hash": "65fc958c1add637ec23c4b137aecf3d3"
},
{
"filename": "digout",
"hash": "5b9312ee5aff080927753c63a347707d"
},
{
"filename": "dmidecode.out",
"hash": "716fd11c2ac00db109281f7110b8fb9d"
},
{
"filename": "file with spaces in the name",
"hash": "d41d8cd98f00b204e9800998ecf8427e"
},
{
"filename": "id-centos.out",
"hash": "4295be239a14ad77ef3253103de976d2"
},
{
"filename": "ifcfg.json",
"hash": "01fda0d9ba9a75618b072e64ff512b43"
}
]
hciconfig
hciconfig -a | jc --hciconfig -p # or: jc -p hciconfig -a
[
{
"device": "hci0",
"type": "Primary",
"bus": "USB",
"bd_address": "00:1A:7D:DA:71:13",
"acl_mtu": 310,
"acl_mtu_packets": 10,
"sco_mtu": 64,
"sco_mtu_packets": 8,
"state": [
"UP",
"RUNNING"
],
"rx_bytes": 13905869,
"rx_acl": 0,
"rx_sco": 0,
"rx_events": 393300,
"rx_errors": 0,
"tx_bytes": 62629,
"tx_acl": 0,
"tx_sco": 0,
"tx_commands": 3893,
"tx_errors": 0,
"features": [
"0xff",
"0xff",
"0x8f",
"0xfe",
"0xdb",
"0xff",
"0x5b",
"0x87"
],
"packet_type": [
"DM1",
"DM3",
"DM5",
"DH1",
"DH3",
"DH5",
"HV1",
"HV2",
"HV3"
],
"link_policy": [
"RSWITCH",
"HOLD",
"SNIFF",
"PARK"
],
"link_mode": [
"SLAVE",
"ACCEPT"
],
"name": "CSR8510 A10",
"class": "0x000000",
"service_classes": null,
"device_class": "Miscellaneous",
"hci_version": "4.0 (0x6)",
"hci_revision": "0x22bb",
"lmp_version": "4.0 (0x6)",
"lmp_subversion": "0x22bb",
"manufacturer": "Cambridge Silicon Radio (10)"
},
{
"device": "hci1",
"type": "Primary",
"bus": "USB",
"bd_address": "00:1A:7D:DA:71:13",
"acl_mtu": 310,
"acl_mtu_packets": 10,
"sco_mtu": 64,
"sco_mtu_packets": 8,
"state": [
"DOWN"
],
"rx_bytes": 4388363,
"rx_acl": 0,
"rx_sco": 0,
"rx_events": 122021,
"rx_errors": 0,
"tx_bytes": 52350,
"tx_acl": 0,
"tx_sco": 0,
"tx_commands": 3480,
"tx_errors": 2,
"features": [
"0xff",
"0xff",
"0x8f",
"0xfe",
"0xdb",
"0xff",
"0x5b",
"0x87"
],
"packet_type": [
"DM1",
"DM3",
"DM5",
"DH1",
"DH3",
"DH5",
"HV1",
"HV2",
"HV3"
],
"link_policy": [
"RSWITCH",
"HOLD",
"SNIFF",
"PARK"
],
"link_mode": [
"SLAVE",
"ACCEPT"
]
}
]
history
history | jc --history -p
[
{
"line": 118,
"command": "sleep 100"
},
{
"line": 119,
"command": "ls /bin"
},
{
"line": 120,
"command": "echo \"hello\""
},
{
"line": 121,
"command": "docker images"
}
]
/etc/hosts file
cat /etc/hosts | jc --hosts -p
[
{
"ip": "127.0.0.1",
"hostname": [
"localhost"
]
},
{
"ip": "127.0.1.1",
"hostname": [
"root-ubuntu"
]
},
{
"ip": "::1",
"hostname": [
"ip6-localhost",
"ip6-loopback"
]
},
{
"ip": "fe00::0",
"hostname": [
"ip6-localnet"
]
},
{
"ip": "ff00::0",
"hostname": [
"ip6-mcastprefix"
]
},
{
"ip": "ff02::1",
"hostname": [
"ip6-allnodes"
]
},
{
"ip": "ff02::2",
"hostname": [
"ip6-allrouters"
]
}
]
id
id | jc --id -p # or: jc -p id
{
"uid": {
"id": 1000,
"name": "joeuser"
},
"gid": {
"id": 1000,
"name": "joeuser"
},
"groups": [
{
"id": 1000,
"name": "joeuser"
},
{
"id": 10,
"name": "wheel"
}
],
"context": {
"user": "unconfined_u",
"role": "unconfined_r",
"type": "unconfined_t",
"level": "s0-s0:c0.c1023"
}
}
ifconfig
ifconfig | jc --ifconfig -p # or: jc -p ifconfig
[
{
"name": "ens33",
"flags": 4163,
"state": [
"UP",
"BROADCAST",
"RUNNING",
"MULTICAST"
],
"mtu": 1500,
"ipv4_addr": "192.168.71.137",
"ipv4_mask": "255.255.255.0",
"ipv4_bcast": "192.168.71.255",
"ipv6_addr": "fe80::c1cb:715d:bc3e:b8a0",
"ipv6_mask": 64,
"ipv6_scope": "0x20",
"mac_addr": "00:0c:29:3b:58:0e",
"type": "Ethernet",
"rx_packets": 8061,
"rx_bytes": 1514413,
"rx_errors": 0,
"rx_dropped": 0,
"rx_overruns": 0,
"rx_frame": 0,
"tx_packets": 4502,
"tx_bytes": 866622,
"tx_errors": 0,
"tx_dropped": 0,
"tx_overruns": 0,
"tx_carrier": 0,
"tx_collisions": 0,
"metric": null
},
{
"name": "lo",
"flags": 73,
"state": [
"UP",
"LOOPBACK",
"RUNNING"
],
"mtu": 65536,
"ipv4_addr": "127.0.0.1",
"ipv4_mask": "255.0.0.0",
"ipv4_bcast": null,
"ipv6_addr": "::1",
"ipv6_mask": 128,
"ipv6_scope": "0x10",
"mac_addr": null,
"type": "Local Loopback",
"rx_packets": 73,
"rx_bytes": 6009,
"rx_errors": 0,
"rx_dropped": 0,
"rx_overruns": 0,
"rx_frame": 0,
"tx_packets": 73,
"tx_bytes": 6009,
"tx_errors": 0,
"tx_dropped": 0,
"tx_overruns": 0,
"tx_carrier": 0,
"tx_collisions": 0,
"metric": null
}
]
INI files
cat example.ini
[DEFAULT]
ServerAliveInterval = 45
Compression = yes
CompressionLevel = 9
ForwardX11 = yes
[bitbucket.org]
User = hg
[topsecret.server.com]
Port = 50022
ForwardX11 = no
cat example.ini | jc --ini -p
{
"bitbucket.org": {
"serveraliveinterval": "45",
"compression": "yes",
"compressionlevel": "9",
"forwardx11": "yes",
"user": "hg"
},
"topsecret.server.com": {
"serveraliveinterval": "45",
"compression": "yes",
"compressionlevel": "9",
"forwardx11": "no",
"port": "50022"
}
}
iptables
iptables --line-numbers -v -L -t nat | jc --iptables -p # or: jc -p iptables --line-numbers -v -L -t nat
[
{
"chain": "PREROUTING",
"rules": [
{
"num": 1,
"pkts": 2183,
"bytes": 186000,
"target": "PREROUTING_direct",
"prot": "all",
"opt": null,
"in": "any",
"out": "any",
"source": "anywhere",
"destination": "anywhere"
},
{
"num": 2,
"pkts": 2183,
"bytes": 186000,
"target": "PREROUTING_ZONES_SOURCE",
"prot": "all",
"opt": null,
"in": "any",
"out": "any",
"source": "anywhere",
"destination": "anywhere"
},
{
"num": 3,
"pkts": 2183,
"bytes": 186000,
"target": "PREROUTING_ZONES",
"prot": "all",
"opt": null,
"in": "any",
"out": "any",
"source": "anywhere",
"destination": "anywhere"
},
{
"num": 4,
"pkts": 0,
"bytes": 0,
"target": "DOCKER",
"prot": "all",
"opt": null,
"in": "any",
"out": "any",
"source": "anywhere",
"destination": "anywhere",
"options": "ADDRTYPE match dst-type LOCAL"
}
]
}
]
iw dev device scan
iw dev wlan0 scan | jc --iw-scan -p # or: jc -p iw dev wlan0 scan
[
{
"bssid": "71:31:72:65:e1:a2",
"interface": "wlan0",
"freq": 2462,
"capability": "ESS Privacy ShortSlotTime (0x0411)",
"ssid": "WLAN-1234",
"supported_rates": [
1.0,
2.0,
5.5,
11.0,
18.0,
24.0,
36.0,
54.0
],
"erp": "<no flags>",
"erp_d4.0": "<no flags>",
"rsn": "Version: 1",
"group_cipher": "CCMP",
"pairwise_ciphers": "CCMP",
"authentication_suites": "PSK",
"capabilities": "0x186c",
"extended_supported_rates": [
6.0,
9.0,
12.0,
48.0
],
"ht_rx_mcs_rate_indexes_supported": "0-15",
"primary_channel": 11,
"secondary_channel_offset": "no secondary",
"rifs": 1,
"ht_protection": "no",
"non-gf_present": 1,
"obss_non-gf_present": 0,
"dual_beacon": 0,
"dual_cts_protection": 0,
"stbc_beacon": 0,
"l-sig_txop_prot": 0,
"pco_active": 0,
"pco_phase": 0,
"bss_width_channel_transition_delay_factor": 5,
"extended_capabilities": "HT Information Exchange Supported",
"wmm": "Parameter version 1",
"be": "CW 15-1023, AIFSN 3",
"bk": "CW 15-1023, AIFSN 7",
"vi": "CW 7-15, AIFSN 2, TXOP 3008 usec",
"vo": "CW 3-7, AIFSN 2, TXOP 1504 usec",
"wps": "Version: 1.0",
"wi-fi_protected_setup_state": "2 (Configured)",
"selected_registrar": "0x0",
"response_type": "3 (AP)",
"uuid": "00000000-0000-0003-0000-75317074f1a2",
"manufacturer": "Corporation",
"model": "VGV8539JW",
"model_number": "1.47.000",
"serial_number": "J144024542",
"primary_device_type": "6-0050f204-1",
"device_name": "Wireless Router(WFA)",
"config_methods": "Label, PBC",
"rf_bands": "0x3",
"tsf_usec": 212098649788,
"sta_channel_width_mhz": 20,
"passive_dwell_tus": 20,
"active_dwell_tus": 10,
"channel_width_trigger_scan_interval_s": 300,
"scan_passive_total_per_channel_tus": 200,
"scan_active_total_per_channel_tus": 20,
"beacon_interval_tus": 100,
"signal_dbm": -80.0,
"last_seen_ms": 11420,
"selected_rates": [
1.0,
2.0,
5.5,
11.0
],
"obss_scan_activity_threshold_percent": 0.25,
"ds_parameter_set_channel": 11,
"max_amsdu_length_bytes": 7935,
"minimum_rx_ampdu_time_spacing_usec": 16
}
]
jobs
jobs -l | jc --jobs -p # or: jc -p jobs
[
{
"job_number": 1,
"pid": 5283,
"status": "Running",
"command": "sleep 10000 &"
},
{
"job_number": 2,
"pid": 5284,
"status": "Running",
"command": "sleep 10100 &"
},
{
"job_number": 3,
"pid": 5285,
"history": "previous",
"status": "Running",
"command": "sleep 10001 &"
},
{
"job_number": 4,
"pid": 5286,
"history": "current",
"status": "Running",
"command": "sleep 10112 &"
}
]
Key/Value files
cat keyvalue.txt
# this file contains key/value pairs
name = John Doe
address=555 California Drive
age: 34
; comments can include # or ;
# delimiter can be = or :
# quoted values have quotation marks stripped by default
# but can be preserved with the -r argument
occupation:"Engineer"
cat keyvalue.txt | jc --kv -p
{
"name": "John Doe",
"address": "555 California Drive",
"age": "34",
"occupation": "Engineer"
}
last and lastb
last | jc --last -p # or: jc -p last
[
{
"user": "joeuser",
"tty": "ttys002",
"hostname": null,
"login": "Thu Feb 27 14:31",
"logout": "still logged in"
},
{
"user": "joeuser",
"tty": "ttys003",
"hostname": null,
"login": "Thu Feb 27 10:38",
"logout": "10:38",
"duration": "00:00"
},
{
"user": "joeuser",
"tty": "ttys003",
"hostname": null,
"login": "Thu Feb 27 10:18",
"logout": "10:18",
"duration": "00:00"
}
]
ls
$ ls -l /usr/bin | jc --ls -p # or: jc -p ls -l /usr/bin
[
{
"filename": "apropos",
"link_to": "whatis",
"flags": "lrwxrwxrwx.",
"links": 1,
"owner": "root",
"group": "root",
"size": 6,
"date": "Aug 15 10:53"
},
{
"filename": "ar",
"flags": "-rwxr-xr-x.",
"links": 1,
"owner": "root",
"group": "root",
"size": 62744,
"date": "Aug 8 16:14"
},
{
"filename": "arch",
"flags": "-rwxr-xr-x.",
"links": 1,
"owner": "root",
"group": "root",
"size": 33080,
"date": "Aug 19 23:25"
}
]
lsblk
lsblk | jc --lsblk -p # or: jc -p lsblk
[
{
"name": "sda",
"maj_min": "8:0",
"rm": false,
"size": "20G",
"ro": false,
"type": "disk",
"mountpoint": null
},
{
"name": "sda1",
"maj_min": "8:1",
"rm": false,
"size": "1G",
"ro": false,
"type": "part",
"mountpoint": "/boot"
}
]
lsmod
lsmod | jc --lsmod -p # or: jc -p lsmod
[
{
"module": "nf_nat",
"size": 26583,
"used": 3,
"by": [
"nf_nat_ipv4",
"nf_nat_ipv6",
"nf_nat_masquerade_ipv4"
]
},
{
"module": "iptable_mangle",
"size": 12695,
"used": 1
},
{
"module": "iptable_security",
"size": 12705,
"used": 1
},
{
"module": "iptable_raw",
"size": 12678,
"used": 1
},
{
"module": "nf_conntrack",
"size": 139224,
"used": 7,
"by": [
"nf_nat",
"nf_nat_ipv4",
"nf_nat_ipv6",
"xt_conntrack",
"nf_nat_masquerade_ipv4",
"nf_conntrack_ipv4",
"nf_conntrack_ipv6"
]
}
]
lsof
lsof | jc --lsof -p # or: jc -p lsof
[
{
"command": "systemd",
"pid": 1,
"tid": null,
"user": "root",
"fd": "cwd",
"type": "DIR",
"device": "253,0",
"size_off": 224,
"node": 64,
"name": "/"
},
{
"command": "systemd",
"pid": 1,
"tid": null,
"user": "root",
"fd": "rtd",
"type": "DIR",
"device": "253,0",
"size_off": 224,
"node": 64,
"name": "/"
},
{
"command": "systemd",
"pid": 1,
"tid": null,
"user": "root",
"fd": "txt",
"type": "REG",
"device": "253,0",
"size_off": 1624520,
"node": 50360451,
"name": "/usr/lib/systemd/systemd"
}
]
mount
mount | jc --mount -p # or: jc -p mount
[
{
"filesystem": "sysfs",
"mount_point": "/sys",
"type": "sysfs",
"options": [
"rw",
"nosuid",
"nodev",
"noexec",
"relatime"
]
},
{
"filesystem": "proc",
"mount_point": "/proc",
"type": "proc",
"options": [
"rw",
"nosuid",
"nodev",
"noexec",
"relatime"
]
},
{
"filesystem": "udev",
"mount_point": "/dev",
"type": "devtmpfs",
"options": [
"rw",
"nosuid",
"relatime",
"size=977500k",
"nr_inodes=244375",
"mode=755"
]
}
]
netstat
netstat -apee | jc --netstat -p # or: jc -p netstat -apee
[
{
"proto": "tcp",
"recv_q": 0,
"send_q": 0,
"local_address": "localhost",
"foreign_address": "0.0.0.0",
"state": "LISTEN",
"user": "systemd-resolve",
"inode": 26958,
"program_name": "systemd-resolve",
"kind": "network",
"pid": 887,
"local_port": "domain",
"foreign_port": "*",
"transport_protocol": "tcp",
"network_protocol": "ipv4"
},
{
"proto": "tcp",
"recv_q": 0,
"send_q": 0,
"local_address": "0.0.0.0",
"foreign_address": "0.0.0.0",
"state": "LISTEN",
"user": "root",
"inode": 30499,
"program_name": "sshd",
"kind": "network",
"pid": 1186,
"local_port": "ssh",
"foreign_port": "*",
"transport_protocol": "tcp",
"network_protocol": "ipv4"
},
{
"proto": "tcp",
"recv_q": 0,
"send_q": 0,
"local_address": "localhost",
"foreign_address": "localhost",
"state": "ESTABLISHED",
"user": "root",
"inode": 46829,
"program_name": "sshd: root",
"kind": "network",
"pid": 2242,
"local_port": "ssh",
"foreign_port": "52186",
"transport_protocol": "tcp",
"network_protocol": "ipv4",
"foreign_port_num": 52186
},
{
"proto": "tcp",
"recv_q": 0,
"send_q": 0,
"local_address": "localhost",
"foreign_address": "localhost",
"state": "ESTABLISHED",
"user": "root",
"inode": 46828,
"program_name": "ssh",
"kind": "network",
"pid": 2241,
"local_port": "52186",
"foreign_port": "ssh",
"transport_protocol": "tcp",
"network_protocol": "ipv4",
"local_port_num": 52186
},
{
"proto": "tcp6",
"recv_q": 0,
"send_q": 0,
"local_address": "[::]",
"foreign_address": "[::]",
"state": "LISTEN",
"user": "root",
"inode": 30510,
"program_name": "sshd",
"kind": "network",
"pid": 1186,
"local_port": "ssh",
"foreign_port": "*",
"transport_protocol": "tcp",
"network_protocol": "ipv6"
},
{
"proto": "udp",
"recv_q": 0,
"send_q": 0,
"local_address": "localhost",
"foreign_address": "0.0.0.0",
"state": null,
"user": "systemd-resolve",
"inode": 26957,
"program_name": "systemd-resolve",
"kind": "network",
"pid": 887,
"local_port": "domain",
"foreign_port": "*",
"transport_protocol": "udp",
"network_protocol": "ipv4"
},
{
"proto": "raw6",
"recv_q": 0,
"send_q": 0,
"local_address": "[::]",
"foreign_address": "[::]",
"state": "7",
"user": "systemd-network",
"inode": 27001,
"program_name": "systemd-network",
"kind": "network",
"pid": 867,
"local_port": "ipv6-icmp",
"foreign_port": "*",
"transport_protocol": null,
"network_protocol": "ipv6"
},
{
"proto": "unix",
"refcnt": 2,
"flags": null,
"type": "DGRAM",
"state": null,
"inode": 33322,
"program_name": "systemd",
"path": "/run/user/1000/systemd/notify",
"kind": "socket",
"pid": 1607
},
{
"proto": "unix",
"refcnt": 2,
"flags": "ACC",
"type": "SEQPACKET",
"state": "LISTENING",
"inode": 20835,
"program_name": "init",
"path": "/run/udev/control",
"kind": "socket",
"pid": 1
}
]
netstat -r | jc --netstat -p # or: jc -p netstat -r
[
{
"destination": "default",
"gateway": "gateway",
"genmask": "0.0.0.0",
"route_flags": "UG",
"mss": 0,
"window": 0,
"irtt": 0,
"iface": "ens33",
"kind": "route",
"route_flags_pretty": [
"UP",
"GATEWAY"
]
},
{
"destination": "172.17.0.0",
"gateway": "0.0.0.0",
"genmask": "255.255.0.0",
"route_flags": "U",
"mss": 0,
"window": 0,
"irtt": 0,
"iface": "docker0",
"kind": "route",
"route_flags_pretty": [
"UP"
]
},
{
"destination": "192.168.71.0",
"gateway": "0.0.0.0",
"genmask": "255.255.255.0",
"route_flags": "U",
"mss": 0,
"window": 0,
"irtt": 0,
"iface": "ens33",
"kind": "route",
"route_flags_pretty": [
"UP"
]
}
]
netstat -i | jc --netstat -p # or: jc -p netstat -i
[
{
"iface": "ens33",
"mtu": 1500,
"rx_ok": 476,
"rx_err": 0,
"rx_drp": 0,
"rx_ovr": 0,
"tx_ok": 312,
"tx_err": 0,
"tx_drp": 0,
"tx_ovr": 0,
"flg": "BMRU",
"kind": "interface"
},
{
"iface": "lo",
"mtu": 65536,
"rx_ok": 0,
"rx_err": 0,
"rx_drp": 0,
"rx_ovr": 0,
"tx_ok": 0,
"tx_err": 0,
"tx_drp": 0,
"tx_ovr": 0,
"flg": "LRU",
"kind": "interface"
}
]
ntpq
ntpq -p | jc --ntpq -p # or: jc -p ntpq -p
[
{
"remote": "44.190.6.254",
"refid": "127.67.113.92",
"st": 2,
"t": "u",
"when": 1,
"poll": 64,
"reach": 1,
"delay": 23.399,
"offset": -2.805,
"jitter": 2.131,
"state": null
},
{
"remote": "mirror1.sjc02.s",
"refid": "216.218.254.202",
"st": 2,
"t": "u",
"when": 2,
"poll": 64,
"reach": 1,
"delay": 29.325,
"offset": 1.044,
"jitter": 4.069,
"state": null
}
]
/etc/passwd file
cat /etc/passwd | jc --passwd -p
[
{
"username": "nobody",
"password": "*",
"uid": -2,
"gid": -2,
"comment": "Unprivileged User",
"home": "/var/empty",
"shell": "/usr/bin/false"
},
{
"username": "root",
"password": "*",
"uid": 0,
"gid": 0,
"comment": "System Administrator",
"home": "/var/root",
"shell": "/bin/sh"
},
{
"username": "daemon",
"password": "*",
"uid": 1,
"gid": 1,
"comment": "System Services",
"home": "/var/root",
"shell": "/usr/bin/false"
}
]
ping
ping 8.8.8.8 -c 3 | jc --ping -p # or: jc -p ping 8.8.8.8 -c 3
{
"destination_ip": "8.8.8.8",
"data_bytes": 56,
"pattern": null,
"destination": "8.8.8.8",
"packets_transmitted": 3,
"packets_received": 3,
"packet_loss_percent": 0.0,
"duplicates": 0,
"time_ms": 2005.0,
"round_trip_ms_min": 23.835,
"round_trip_ms_avg": 30.46,
"round_trip_ms_max": 34.838,
"round_trip_ms_stddev": 4.766,
"responses": [
{
"type": "reply",
"timestamp": null,
"bytes": 64,
"response_ip": "8.8.8.8",
"icmp_seq": 1,
"ttl": 118,
"time_ms": 23.8,
"duplicate": false
},
{
"type": "reply",
"timestamp": null,
"bytes": 64,
"response_ip": "8.8.8.8",
"icmp_seq": 2,
"ttl": 118,
"time_ms": 34.8,
"duplicate": false
},
{
"type": "reply",
"timestamp": null,
"bytes": 64,
"response_ip": "8.8.8.8",
"icmp_seq": 3,
"ttl": 118,
"time_ms": 32.7,
"duplicate": false
}
]
}
pip list
pip list | jc --pip-list -p # or: jc -p pip list # or: jc -p pip3 list
[
{
"package": "ansible",
"version": "2.8.5"
},
{
"package": "antlr4-python3-runtime",
"version": "4.7.2"
},
{
"package": "asn1crypto",
"version": "0.24.0"
}
]
pip show
pip show wrapt wheel | jc --pip-show -p # or: jc -p pip show wrapt wheel # or: jc -p pip3 show wrapt wheel
[
{
"name": "wrapt",
"version": "1.11.2",
"summary": "Module for decorators, wrappers and monkey patching.",
"home_page": "https://github.com/GrahamDumpleton/wrapt",
"author": "Graham Dumpleton",
"author_email": "Graham.Dumpleton@gmail.com",
"license": "BSD",
"location": "/usr/local/lib/python3.7/site-packages",
"requires": null,
"required_by": "astroid"
},
{
"name": "wheel",
"version": "0.33.4",
"summary": "A built-package format for Python.",
"home_page": "https://github.com/pypa/wheel",
"author": "Daniel Holth",
"author_email": "dholth@fastmail.fm",
"license": "MIT",
"location": "/usr/local/lib/python3.7/site-packages",
"requires": null,
"required_by": null
}
]
ps
ps -ef | jc --ps -p # or: jc -p ps -ef
[
{
"uid": "root",
"pid": 1,
"ppid": 0,
"c": 0,
"stime": "Nov01",
"tty": null,
"time": "00:00:11",
"cmd": "/usr/lib/systemd/systemd --switched-root --system --deserialize 22"
},
{
"uid": "root",
"pid": 2,
"ppid": 0,
"c": 0,
"stime": "Nov01",
"tty": null,
"time": "00:00:00",
"cmd": "[kthreadd]"
},
{
"uid": "root",
"pid": 4,
"ppid": 2,
"c": 0,
"stime": "Nov01",
"tty": null,
"time": "00:00:00",
"cmd": "[kworker/0:0H]"
}
]
ps axu | jc --ps -p # or: jc -p ps axu
[
{
"user": "root",
"pid": 1,
"cpu_percent": 0.0,
"mem_percent": 0.1,
"vsz": 128072,
"rss": 6784,
"tty": null,
"stat": "Ss",
"start": "Nov09",
"time": "0:08",
"command": "/usr/lib/systemd/systemd --switched-root --system --deserialize 22"
},
{
"user": "root",
"pid": 2,
"cpu_percent": 0.0,
"mem_percent": 0.0,
"vsz": 0,
"rss": 0,
"tty": null,
"stat": "S",
"start": "Nov09",
"time": "0:00",
"command": "[kthreadd]"
},
{
"user": "root",
"pid": 4,
"cpu_percent": 0.0,
"mem_percent": 0.0,
"vsz": 0,
"rss": 0,
"tty": null,
"stat": "S<",
"start": "Nov09",
"time": "0:00",
"command": "[kworker/0:0H]"
}
]
route
route -ee | jc --route -p # or: jc -p route -ee
[
{
"destination": "default",
"gateway": "_gateway",
"genmask": "0.0.0.0",
"flags": "UG",
"metric": 202,
"ref": 0,
"use": 0,
"iface": "ens33",
"mss": 0,
"window": 0,
"irtt": 0,
"flags_pretty": [
"UP",
"GATEWAY"
]
},
{
"destination": "192.168.71.0",
"gateway": "0.0.0.0",
"genmask": "255.255.255.0",
"flags": "U",
"metric": 202,
"ref": 0,
"use": 0,
"iface": "ens33",
"mss": 0,
"window": 0,
"irtt": 0,
"flags_pretty": [
"UP"
]
}
]
/etc/shadow file
cat /etc/shadow | jc --shadow -p
[
{
"username": "root",
"password": "*",
"last_changed": 18113,
"minimum": 0,
"maximum": 99999,
"warn": 7,
"inactive": null,
"expire": null
},
{
"username": "daemon",
"password": "*",
"last_changed": 18113,
"minimum": 0,
"maximum": 99999,
"warn": 7,
"inactive": null,
"expire": null
},
{
"username": "bin",
"password": "*",
"last_changed": 18113,
"minimum": 0,
"maximum": 99999,
"warn": 7,
"inactive": null,
"expire": null
}
]
ss
ss -a | jc --ss -p # or: jc -p ss -a
[
{
"netid": "nl",
"state": "UNCONN",
"recv_q": 0,
"send_q": 0,
"peer_address": "*",
"channel": "rtnl:kernel"
},
{
"netid": "nl",
"state": "UNCONN",
"recv_q": 0,
"send_q": 0,
"peer_address": "*",
"pid": 893,
"channel": "rtnl:systemd-resolve"
},
{
"netid": "p_raw",
"state": "UNCONN",
"recv_q": 0,
"send_q": 0,
"peer_address": "*",
"link_layer": "LLDP",
"interface": "ens33"
},
{
"netid": "u_dgr",
"state": "UNCONN",
"recv_q": 0,
"send_q": 0,
"local_port": "93066",
"peer_address": "*",
"peer_port": "0",
"path": "/run/user/1000/systemd/notify"
},
{
"netid": "u_seq",
"state": "LISTEN",
"recv_q": 0,
"send_q": 128,
"local_port": "20699",
"peer_address": "*",
"peer_port": "0",
"path": "/run/udev/control"
},
{
"netid": "icmp6",
"state": "UNCONN",
"recv_q": 0,
"send_q": 0,
"local_address": "*",
"local_port": "ipv6-icmp",
"peer_address": "*",
"peer_port": "*",
"interface": "ens33"
},
{
"netid": "udp",
"state": "UNCONN",
"recv_q": 0,
"send_q": 0,
"local_address": "127.0.0.53",
"local_port": "domain",
"peer_address": "0.0.0.0",
"peer_port": "*",
"interface": "lo"
},
{
"netid": "tcp",
"state": "LISTEN",
"recv_q": 0,
"send_q": 128,
"local_address": "127.0.0.53",
"local_port": "domain",
"peer_address": "0.0.0.0",
"peer_port": "*",
"interface": "lo"
},
{
"netid": "tcp",
"state": "LISTEN",
"recv_q": 0,
"send_q": 128,
"local_address": "0.0.0.0",
"local_port": "ssh",
"peer_address": "0.0.0.0",
"peer_port": "*"
},
{
"netid": "tcp",
"state": "LISTEN",
"recv_q": 0,
"send_q": 128,
"local_address": "[::]",
"local_port": "ssh",
"peer_address": "[::]",
"peer_port": "*"
},
{
"netid": "v_str",
"state": "ESTAB",
"recv_q": 0,
"send_q": 0,
"local_address": "999900439",
"local_port": "1023",
"peer_address": "0",
"peer_port": "976",
"local_port_num": 1023,
"peer_port_num": 976
}
]
stat
stat /bin/* | jc --stat -p # or: jc -p stat /bin/*
[
{
"file": "/bin/bash",
"size": 1113504,
"blocks": 2176,
"io_blocks": 4096,
"type": "regular file",
"device": "802h/2050d",
"inode": 131099,
"links": 1,
"access": "0755",
"flags": "-rwxr-xr-x",
"uid": 0,
"user": "root",
"gid": 0,
"group": "root",
"access_time": "2019-11-14 08:18:03.509681766 +0000",
"modify_time": "2019-06-06 22:28:15.000000000 +0000",
"change_time": "2019-08-12 17:21:29.521945390 +0000",
"birth_time": null
},
{
"file": "/bin/btrfs",
"size": 716464,
"blocks": 1400,
"io_blocks": 4096,
"type": "regular file",
"device": "802h/2050d",
"inode": 131100,
"links": 1,
"access": "0755",
"flags": "-rwxr-xr-x",
"uid": 0,
"user": "root",
"gid": 0,
"group": "root",
"access_time": "2019-11-14 08:18:28.990834276 +0000",
"modify_time": "2018-03-12 23:04:27.000000000 +0000",
"change_time": "2019-08-12 17:21:29.545944399 +0000",
"birth_time": null
}
]
sysctl
sysctl -a | jc --sysctl -p # or: jc -p sysctl -a
{
"user.cs_path": "/usr/bin:/bin:/usr/sbin:/sbin",
"user.bc_base_max": 99,
"user.bc_dim_max": 2048,
"user.bc_scale_max": 99,
"user.bc_string_max": 1000,
"user.coll_weights_max": 2,
"user.expr_nest_max": 32
}
systemctl
systemctl -a | jc --systemctl -p # or: jc -p systemctl -a
[
{
"unit": "proc-sys-fs-binfmt_misc.automount",
"load": "loaded",
"active": "active",
"sub": "waiting",
"description": "Arbitrary Executable File Formats File System Automount Point"
},
{
"unit": "dev-block-8:2.device",
"load": "loaded",
"active": "active",
"sub": "plugged",
"description": "LVM PV 3klkIj-w1qk-DkJi-0XBJ-y3o7-i2Ac-vHqWBM on /dev/sda2 2"
},
{
"unit": "dev-cdrom.device",
"load": "loaded",
"active": "active",
"sub": "plugged",
"description": "VMware_Virtual_IDE_CDROM_Drive"
}
]
systemctl list-jobs
systemctl list-jobs | jc --systemctl-lj -p # or: jc -p systemctl list-jobs
[
{
"job": 3543,
"unit": "nginxAfterGlusterfs.service",
"type": "start",
"state": "waiting"
},
{
"job": 3545,
"unit": "glusterReadyForLocalhostMount.service",
"type": "start",
"state": "running"
},
{
"job": 3506,
"unit": "nginx.service",
"type": "start",
"state": "waiting"
}
]
systemctl list-sockets
systemctl list-sockets | jc --systemctl-ls -p # or: jc -p systemctl list-sockets
[
{
"listen": "/dev/log",
"unit": "systemd-journald.socket",
"activates": "systemd-journald.service"
},
{
"listen": "/run/dbus/system_bus_socket",
"unit": "dbus.socket",
"activates": "dbus.service"
},
{
"listen": "/run/dmeventd-client",
"unit": "dm-event.socket",
"activates": "dm-event.service"
}
]
systemctl list-unit-files
systemctl list-unit-files | jc --systemctl-luf -p # or: jc -p systemctl list-unit-files
[
{
"unit_file": "proc-sys-fs-binfmt_misc.automount",
"state": "static"
},
{
"unit_file": "dev-hugepages.mount",
"state": "static"
},
{
"unit_file": "dev-mqueue.mount",
"state": "static"
}
]
timedatectl status
timedatectl | jc --timedatectl -p # or: jc -p timedatectl
{
"local_time": "Tue 2020-03-10 17:53:21 PDT",
"universal_time": "Wed 2020-03-11 00:53:21 UTC",
"rtc_time": "Wed 2020-03-11 00:53:21",
"time_zone": "America/Los_Angeles (PDT, -0700)",
"ntp_enabled": true,
"ntp_synchronized": true,
"rtc_in_local_tz": false,
"dst_active": true
}
tracepath
tracepath6 3ffe:2400:0:109::2 | jc --tracepath -p
{
"pmtu": 1480,
"forward_hops": 2,
"return_hops": 2,
"hops": [
{
"ttl": 1,
"guess": true,
"host": "[LOCALHOST]",
"reply_ms": null,
"pmtu": 1500,
"asymmetric_difference": null,
"reached": false
},
{
"ttl": 1,
"guess": false,
"host": "dust.inr.ac.ru",
"reply_ms": 0.411,
"pmtu": null,
"asymmetric_difference": null,
"reached": false
},
{
"ttl": 2,
"guess": false,
"host": "dust.inr.ac.ru",
"reply_ms": 0.39,
"pmtu": 1480,
"asymmetric_difference": 1,
"reached": false
},
{
"ttl": 2,
"guess": false,
"host": "3ffe:2400:0:109::2",
"reply_ms": 463.514,
"pmtu": null,
"asymmetric_difference": null,
"reached": true
}
]
}
traceroute
traceroute -m 3 8.8.8.8 | jc --traceroute -p # or: jc -p traceroute -m 3 8.8.8.8
{
"destination_ip": "8.8.8.8",
"destination_name": "8.8.8.8",
"hops": [
{
"hop": 1,
"probes": [
{
"annotation": null,
"asn": null,
"ip": "192.168.1.254",
"name": "dsldevice.local.net",
"rtt": 6.616
},
{
"annotation": null,
"asn": null,
"ip": "192.168.1.254",
"name": "dsldevice.local.net",
"rtt": 6.413
},
{
"annotation": null,
"asn": null,
"ip": "192.168.1.254",
"name": "dsldevice.local.net",
"rtt": 6.308
}
]
},
{
"hop": 2,
"probes": [
{
"annotation": null,
"asn": null,
"ip": "76.220.24.1",
"name": "76-220-24-1.lightspeed.sntcca.sbcglobal.net",
"rtt": 29.367
},
{
"annotation": null,
"asn": null,
"ip": "76.220.24.1",
"name": "76-220-24-1.lightspeed.sntcca.sbcglobal.net",
"rtt": 40.197
},
{
"annotation": null,
"asn": null,
"ip": "76.220.24.1",
"name": "76-220-24-1.lightspeed.sntcca.sbcglobal.net",
"rtt": 29.162
}
]
},
{
"hop": 3,
"probes": []
}
]
}
uname -a
uname -a | jc --uname -p # or: jc -p uname -a
{
"kernel_name": "Linux",
"node_name": "user-ubuntu",
"kernel_release": "4.15.0-65-generic",
"operating_system": "GNU/Linux",
"hardware_platform": "x86_64",
"processor": "x86_64",
"machine": "x86_64",
"kernel_version": "#74-Ubuntu SMP Tue Sep 17 17:06:04 UTC 2019"
}
uptime
uptime | jc --uptime -p # or: jc -p uptime
{
"time": "11:30:44",
"uptime": "1 day, 21:17",
"users": 1,
"load_1m": 0.01,
"load_5m": 0.04,
"load_15m": 0.05
}
w
w | jc --w -p # or: jc -p w
[
{
"user": "root",
"tty": "tty1",
"from": null,
"login_at": "07:49",
"idle": "1:15m",
"jcpu": "0.00s",
"pcpu": "0.00s",
"what": "-bash"
},
{
"user": "root",
"tty": "ttyS0",
"from": null,
"login_at": "06:24",
"idle": "0.00s",
"jcpu": "0.43s",
"pcpu": "0.00s",
"what": "w"
},
{
"user": "root",
"tty": "pts/0",
"from": "192.168.71.1",
"login_at": "06:29",
"idle": "2:35m",
"jcpu": "0.00s",
"pcpu": "0.00s",
"what": "-bash"
}
]
wc
wc * | jc --wc -p # or: jc -p wc *
[
{
"filename": "airport-I.json",
"lines": 1,
"words": 30,
"characters": 307
},
{
"filename": "airport-I.out",
"lines": 15,
"words": 33,
"characters": 348
},
{
"filename": "airport-s.json",
"lines": 1,
"words": 202,
"characters": 2152
}
]
who
who | jc --who -p # or: jc -p who
[
{
"user": "joeuser",
"tty": "ttyS0",
"time": "2020-03-02 02:52"
},
{
"user": "joeuser",
"tty": "pts/0",
"time": "2020-03-02 05:15",
"from": "192.168.71.1"
}
]
who -a | jc --who -p # or: jc -p who -a
[
{
"event": "reboot",
"time": "Feb 7 23:31",
"pid": 1
},
{
"user": "joeuser",
"writeable_tty": "-",
"tty": "console",
"time": "Feb 7 23:32",
"idle": "old",
"pid": 105
},
{
"user": "joeuser",
"writeable_tty": "+",
"tty": "ttys000",
"time": "Feb 13 16:44",
"idle": ".",
"pid": 51217,
"comment": "term=0 exit=0"
},
{
"user": "joeuser",
"writeable_tty": "?",
"tty": "ttys003",
"time": "Feb 28 08:59",
"idle": "01:36",
"pid": 41402
},
{
"user": "joeuser",
"writeable_tty": "+",
"tty": "ttys004",
"time": "Mar 1 16:35",
"idle": ".",
"pid": 15679,
"from": "192.168.1.5"
}
]
XML files
cat cd_catalog.xml
<?xml version="1.0" encoding="UTF-8"?>
<CATALOG>
<CD>
<TITLE>Empire Burlesque</TITLE>
<ARTIST>Bob Dylan</ARTIST>
<COUNTRY>USA</COUNTRY>
<COMPANY>Columbia</COMPANY>
<PRICE>10.90</PRICE>
<YEAR>1985</YEAR>
</CD>
<CD>
<TITLE>Hide your heart</TITLE>
<ARTIST>Bonnie Tyler</ARTIST>
<COUNTRY>UK</COUNTRY>
<COMPANY>CBS Records</COMPANY>
<PRICE>9.90</PRICE>
<YEAR>1988</YEAR>
</CD>
...
cat cd_catalog.xml | jc --xml -p
{
"CATALOG": {
"CD": [
{
"TITLE": "Empire Burlesque",
"ARTIST": "Bob Dylan",
"COUNTRY": "USA",
"COMPANY": "Columbia",
"PRICE": "10.90",
"YEAR": "1985"
},
{
"TITLE": "Hide your heart",
"ARTIST": "Bonnie Tyler",
"COUNTRY": "UK",
"COMPANY": "CBS Records",
"PRICE": "9.90",
"YEAR": "1988"
}
]
}
}
YAML files
cat istio.yaml
apiVersion: "authentication.istio.io/v1alpha1"
kind: "Policy"
metadata:
name: "default"
namespace: "default"
spec:
peers:
- mtls: {}
---
apiVersion: "networking.istio.io/v1alpha3"
kind: "DestinationRule"
metadata:
name: "default"
namespace: "default"
spec:
host: "*.default.svc.cluster.local"
trafficPolicy:
tls:
mode: ISTIO_MUTUAL
cat istio.yaml | jc --yaml -p
[
{
"apiVersion": "authentication.istio.io/v1alpha1",
"kind": "Policy",
"metadata": {
"name": "default",
"namespace": "default"
},
"spec": {
"peers": [
{
"mtls": {}
}
]
}
},
{
"apiVersion": "networking.istio.io/v1alpha3",
"kind": "DestinationRule",
"metadata": {
"name": "default",
"namespace": "default"
},
"spec": {
"host": "*.default.svc.cluster.local",
"trafficPolicy": {
"tls": {
"mode": "ISTIO_MUTUAL"
}
}
}
}
]