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# JC
JSON CLI output utility
`jc` is used to JSONify the output of many standard linux cli tools for easier parsing in scripts. See the **Parsers** section for supported commands.
This allows further command line processing of output with tools like `jq` simply by piping commands:
```
$ ls -l /usr/bin | jc --ls | jq '.[] | select(.size|tonumber > 50000000)'
{
"filename": "emacs",
"flags": "-r-xr-xr-x",
"links": "1",
"owner": "root",
"group": "wheel",
"size": "117164432",
"date": "May 3 22:26"
}
```
The `jc` parsers can also be used as python modules. In this case the output will be a python dictionary instead of JSON:
```
>>> import jc.parsers.ls
>>>
>>> data='''-rwxr-xr-x 1 root wheel 23648 May 3 22:26 cat
... -rwxr-xr-x 1 root wheel 30016 May 3 22:26 chmod
... -rwxr-xr-x 1 root wheel 29024 May 3 22:26 cp
... -rwxr-xr-x 1 root wheel 375824 May 3 22:26 csh
... -rwxr-xr-x 1 root wheel 28608 May 3 22:26 date
... -rwxr-xr-x 1 root wheel 32000 May 3 22:26 dd
... -rwxr-xr-x 1 root wheel 23392 May 3 22:26 df
... -rwxr-xr-x 1 root wheel 18128 May 3 22:26 echo'''
>>>
>>> jc.parsers.ls.parse(data)
[{'filename': 'cat', 'flags': '-rwxr-xr-x', 'links': '1', 'owner': 'root', 'group': 'wheel',
'size': '23648', 'date': 'May 3 22:26'}, {'filename': 'chmod', 'flags': '-rwxr-xr-x',
'links': '1', 'owner': 'root', 'group': 'wheel', 'size': '30016', 'date': 'May 3 22:26'},
{'filename': 'cp', 'flags': '-rwxr-xr-x', 'links': '1', 'owner': 'root', 'group': 'wheel',
'size': '29024', 'date': 'May 3 22:26'}, {'filename': 'csh', 'flags': '-rwxr-xr-x', 'links': '1',
'owner': 'root', 'group': 'wheel', 'size': '375824', 'date': 'May 3 22:26'}, {'filename': 'date',
'flags': '-rwxr-xr-x', 'links': '1', 'owner': 'root', 'group': 'wheel', 'size': '28608',
'date': 'May 3 22:26'}, {'filename': 'dd', 'flags': '-rwxr-xr-x', 'links': '1', 'owner': 'root',
'group': 'wheel', 'size': '32000', 'date': 'May 3 22:26'}, {'filename': 'df', 'flags': '-rwxr-xr-x',
'links': '1', 'owner': 'root', 'group': 'wheel', 'size': '23392', 'date': 'May 3 22:26'},
{'filename': 'echo', 'flags': '-rwxr-xr-x', 'links': '1', 'owner': 'root', 'group': 'wheel',
'size': '18128', 'date': 'May 3 22:26'}]
```
Two representations of the data are possible. The default representation uses a strict schema per parser and converts known numbers to int/float JSON values. Certain known values of None are converted to JSON Null, and, in some cases, additional semantic context fields are added. To access the raw, pre-processed JSON, use the `-r` or `raw=True` options.
## Installation
```
$ pip3 install --upgrade jc
```
## Usage
```
jc PARSER [OPTIONS]
```
`jc` accepts piped input from `STDIN` and outputs a JSON representation of the previous command's output to `STDOUT`. The JSON output can be compact or pretty formatted.
### Parsers
- `--arp` enables the `arp` parser
- `--df` enables the `df` parser
- `--dig` enables the `dig` parser
- `--env` enables the `env` parser
- `--free` enables the `free` parser
- `--history` enables the `history` parser
- `--ifconfig` enables the `ifconfig` parser
- `--iptables` enables the `iptables` parser
- `--jobs` enables the `jobs` parser
- `--ls` enables the `ls` parser
- `--lsblk` enables the `lsblk` parser
- `--lsmod` enables the `lsmod` parser
- `--lsof` enables the `lsof` parser
- `--mount` enables the `mount` parser
- `--netstat` enables the `netstat` parser
- `--ps` enables the `ps` parser
- `--route` enables the `route` parser
- `--uname` enables the `uname -a` parser
- `--uptime` enables the `uptime` parser
- `--w` enables the `w` parser
### Options
- `-p` pretty format the JSON output
- `-r` raw output. Provides a more literal JSON output with all values as text and no additional sematic processing
## Examples
### arp
```
$ arp | jc --arp -p
[
{
"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
[
{
"name": "?",
"address": "192.168.71.1",
"hwtype": "ether",
"hwaddress": "00:50:56:c0:00:08",
"iface": "ens33"
},
{
"name": "?",
"address": "192.168.71.254",
"hwtype": "ether",
"hwaddress": "00:50:56:fe:7a:b4",
"iface": "ens33"
},
{
"name": "_gateway",
"address": "192.168.71.2",
"hwtype": "ether",
"hwaddress": "00:50:56:f7:4a:fc",
"iface": "ens33"
}
]
```
### df
```
$ df | jc --df -p
[
{
"filesystem": "udev",
"1k-blocks": "977500",
"used": "0",
"available": "977500",
"use_percent": "0%",
"mounted": "/dev"
},
{
"filesystem": "tmpfs",
"1k-blocks": "201732",
"used": "1204",
"available": "200528",
"use_percent": "1%",
"mounted": "/run"
},
{
"filesystem": "/dev/sda2",
"1k-blocks": "20508240",
"used": "5748312",
"available": "13695124",
"use_percent": "30%",
"mounted": "/"
},
{
"filesystem": "tmpfs",
"1k-blocks": "1008648",
"used": "0",
"available": "1008648",
"use_percent": "0%",
"mounted": "/dev/shm"
}
...
]
```
### dig
```
$ dig cnn.com www.cnn.com @205.251.194.64 | jc --dig -p
[
{
"id": "28182",
"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": "5",
"data": "151.101.193.67"
},
{
"name": "cnn.com.",
"class": "IN",
"type": "A",
"ttl": "5",
"data": "151.101.1.67"
},
{
"name": "cnn.com.",
"class": "IN",
"type": "A",
"ttl": "5",
"data": "151.101.129.67"
},
{
"name": "cnn.com.",
"class": "IN",
"type": "A",
"ttl": "5",
"data": "151.101.65.67"
}
],
"query_time": "45 msec",
"server": "192.168.71.2#53(192.168.71.2)",
"when": "Wed Oct 30 03:11:21 PDT 2019",
"rcvd": "100"
},
{
"id": "23264",
"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": "33 msec",
"server": "205.251.194.64#53(205.251.194.64)",
"when": "Wed Oct 30 03:11:21 PDT 2019",
"rcvd": "212"
}
]
```
```
$ dig -x 1.1.1.1 | jc --dig -p
[
{
"id": "27526",
"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": "5",
"data": "one.one.one.one."
}
],
"query_time": "34 msec",
"server": "192.168.71.2#53(192.168.71.2)",
"when": "Wed Oct 30 03:13:48 PDT 2019",
"rcvd": "98"
}
]
```
### env
```
$ env | jc --env -p
{
"TERM": "xterm-256color",
"SHELL": "/bin/bash",
"USER": "root",
"PATH": "/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin",
"PWD": "/root",
"LANG": "en_US.UTF-8",
"HOME": "/root",
"LOGNAME": "root",
"_": "/usr/bin/env"
}
```
### free
```
$ free | jc --free -p
[
{
"type": "Mem",
"total": "2017300",
"used": "213104",
"free": "1148452",
"shared": "1176",
"buff_cache": "655744",
"available": "1622204"
},
{
"type": "Swap",
"total": "2097148",
"used": "0",
"free": "2097148"
}
]
```
### history
```
$ history | jc --history -p
{
"n118": "sleep 100",
"n119": "ls /bin",
"n120": "echo \"hello\"",
"n121": "docker images",
...
}
```
### ifconfig
```
$ ifconfig | jc --ifconfig -p
[
{
"name": "docker0",
"flags": "4099",
"state": "UP,BROADCAST,MULTICAST",
"mtu": "1500",
"ipv4_addr": "172.17.0.1",
"ipv4_mask": "255.255.0.0",
"ipv4_bcast": "0.0.0.0",
"mac_addr": "02:42:53:18:31:cc",
"type": "Ethernet",
"rx_packets": "0",
"rx_errors": "0",
"rx_dropped": "0",
"rx_overruns": "0",
"rx_frame": "0",
"tx_packets": "0",
"tx_errors": "0",
"tx_dropped": "0",
"tx_overruns": "0",
"tx_carrier": "0",
"tx_collisions": "0",
"ipv6_addr": null,
"ipv6_mask": null,
"ipv6_scope": null,
"metric": null
},
{
"name": "ens33",
"flags": "4163",
"state": "UP,BROADCAST,RUNNING,MULTICAST",
"mtu": "1500",
"ipv4_addr": "192.168.71.135",
"ipv4_mask": "255.255.255.0",
"ipv4_bcast": "192.168.71.255",
"ipv6_addr": "fe80::c1cb:715d:bc3e:b8a0",
"ipv6_mask": "64",
"ipv6_scope": "link",
"mac_addr": "00:0c:29:3b:58:0e",
"type": "Ethernet",
"rx_packets": "26348",
"rx_errors": "0",
"rx_dropped": "0",
"rx_overruns": "0",
"rx_frame": "0",
"tx_packets": "5308",
"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": "host",
"mac_addr": null,
"type": "Local Loopback",
"rx_packets": "64",
"rx_errors": "0",
"rx_dropped": "0",
"rx_overruns": "0",
"rx_frame": "0",
"tx_packets": "64",
"tx_errors": "0",
"tx_dropped": "0",
"tx_overruns": "0",
"tx_carrier": "0",
"tx_collisions": "0",
"metric": null
}
]
```
### iptables
```
$ sudo iptables -L -t nat | jc --iptables -p
[
{
"chain": "PREROUTING",
"rules": [
{
"target": "PREROUTING_direct",
"prot": "all",
"opt": "--",
"source": "anywhere",
"destination": "anywhere"
},
{
"target": "PREROUTING_ZONES_SOURCE",
"prot": "all",
"opt": "--",
"source": "anywhere",
"destination": "anywhere"
},
{
"target": "PREROUTING_ZONES",
"prot": "all",
"opt": "--",
"source": "anywhere",
"destination": "anywhere"
},
{
"target": "DOCKER",
"prot": "all",
"opt": "--",
"source": "anywhere",
"destination": "anywhere",
"options": "ADDRTYPE match dst-type LOCAL"
}
]
},
{
"chain": "INPUT",
"rules": []
},
{
"chain": "OUTPUT",
"rules": [
{
"target": "OUTPUT_direct",
"prot": "all",
"opt": "--",
"source": "anywhere",
"destination": "anywhere"
},
{
"target": "DOCKER",
"prot": "all",
"opt": "--",
"source": "anywhere",
"destination": "!loopback/8",
"options": "ADDRTYPE match dst-type LOCAL"
}
]
},
...
]
```
```
$ sudo iptables -vnL -t filter | jc --iptables -p
[
{
"chain": "INPUT",
"rules": [
{
"pkts": "1571",
"bytes": "3394K",
"target": "ACCEPT",
"prot": "all",
"opt": "--",
"in": "*",
"out": "*",
"source": "0.0.0.0/0",
"destination": "0.0.0.0/0",
"options": "ctstate RELATED,ESTABLISHED"
},
{
"pkts": "0",
"bytes": "0",
"target": "ACCEPT",
"prot": "all",
"opt": "--",
"in": "lo",
"out": "*",
"source": "0.0.0.0/0",
"destination": "0.0.0.0/0"
},
{
"pkts": "711",
"bytes": "60126",
"target": "INPUT_direct",
"prot": "all",
"opt": "--",
"in": "*",
"out": "*",
"source": "0.0.0.0/0",
"destination": "0.0.0.0/0"
},
{
"pkts": "711",
"bytes": "60126",
"target": "INPUT_ZONES_SOURCE",
"prot": "all",
"opt": "--",
"in": "*",
"out": "*",
"source": "0.0.0.0/0",
"destination": "0.0.0.0/0"
},
{
"pkts": "711",
"bytes": "60126",
"target": "INPUT_ZONES",
"prot": "all",
"opt": "--",
"in": "*",
"out": "*",
"source": "0.0.0.0/0",
"destination": "0.0.0.0/0"
},
{
"pkts": "0",
"bytes": "0",
"target": "DROP",
"prot": "all",
"opt": "--",
"in": "*",
"out": "*",
"source": "0.0.0.0/0",
"destination": "0.0.0.0/0",
"options": "ctstate INVALID"
},
{
"pkts": "710",
"bytes": "60078",
"target": "REJECT",
"prot": "all",
"opt": "--",
"in": "*",
"out": "*",
"source": "0.0.0.0/0",
"destination": "0.0.0.0/0",
"options": "reject-with icmp-host-prohibited"
}
]
},
{
"chain": "FORWARD",
"rules": [
{
"pkts": "0",
"bytes": "0",
"target": "DOCKER-ISOLATION",
"prot": "all",
"opt": "--",
"in": "*",
"out": "*",
"source": "0.0.0.0/0",
"destination": "0.0.0.0/0"
},
{
"pkts": "0",
"bytes": "0",
"target": "DOCKER",
"prot": "all",
"opt": "--",
"in": "*",
"out": "docker0",
"source": "0.0.0.0/0",
"destination": "0.0.0.0/0"
},
{
"pkts": "0",
"bytes": "0",
"target": "ACCEPT",
"prot": "all",
"opt": "--",
"in": "*",
"out": "docker0",
"source": "0.0.0.0/0",
"destination": "0.0.0.0/0",
"options": "ctstate RELATED,ESTABLISHED"
},
{
"pkts": "0",
"bytes": "0",
"target": "ACCEPT",
"prot": "all",
"opt": "--",
"in": "docker0",
"out": "!docker0",
"source": "0.0.0.0/0",
"destination": "0.0.0.0/0"
},
{
"pkts": "0",
"bytes": "0",
"target": "ACCEPT",
"prot": "all",
"opt": "--",
"in": "docker0",
"out": "docker0",
"source": "0.0.0.0/0",
"destination": "0.0.0.0/0"
},
{
"pkts": "0",
"bytes": "0",
"target": "ACCEPT",
"prot": "all",
"opt": "--",
"in": "*",
"out": "*",
"source": "0.0.0.0/0",
"destination": "0.0.0.0/0",
"options": "ctstate RELATED,ESTABLISHED"
},
{
"pkts": "0",
"bytes": "0",
"target": "ACCEPT",
"prot": "all",
"opt": "--",
"in": "lo",
"out": "*",
"source": "0.0.0.0/0",
"destination": "0.0.0.0/0"
},
{
"pkts": "0",
"bytes": "0",
"target": "FORWARD_direct",
"prot": "all",
"opt": "--",
"in": "*",
"out": "*",
"source": "0.0.0.0/0",
"destination": "0.0.0.0/0"
},
{
"pkts": "0",
"bytes": "0",
"target": "FORWARD_IN_ZONES_SOURCE",
"prot": "all",
"opt": "--",
"in": "*",
"out": "*",
"source": "0.0.0.0/0",
"destination": "0.0.0.0/0"
},
{
"pkts": "0",
"bytes": "0",
"target": "FORWARD_IN_ZONES",
"prot": "all",
"opt": "--",
"in": "*",
"out": "*",
"source": "0.0.0.0/0",
"destination": "0.0.0.0/0"
},
{
"pkts": "0",
"bytes": "0",
"target": "FORWARD_OUT_ZONES_SOURCE",
"prot": "all",
"opt": "--",
"in": "*",
"out": "*",
"source": "0.0.0.0/0",
"destination": "0.0.0.0/0"
},
{
"pkts": "0",
"bytes": "0",
"target": "FORWARD_OUT_ZONES",
"prot": "all",
"opt": "--",
"in": "*",
"out": "*",
"source": "0.0.0.0/0",
"destination": "0.0.0.0/0"
},
{
"pkts": "0",
"bytes": "0",
"target": "DROP",
"prot": "all",
"opt": "--",
"in": "*",
"out": "*",
"source": "0.0.0.0/0",
"destination": "0.0.0.0/0",
"options": "ctstate INVALID"
},
{
"pkts": "0",
"bytes": "0",
"target": "REJECT",
"prot": "all",
"opt": "--",
"in": "*",
"out": "*",
"source": "0.0.0.0/0",
"destination": "0.0.0.0/0",
"options": "reject-with icmp-host-prohibited"
}
]
},
...
]
```
### jobs
```
$ jobs -l | jc --jobs -p
[
{
"job_number": "1",
"pid": "19510",
"status": "Running",
"command": "sleep 1000 &"
},
{
"job_number": "2",
"pid": "19511",
"status": "Running",
"command": "sleep 1001 &"
},
{
"job_number": "3",
"pid": "19512",
"history": "previous",
"status": "Running",
"command": "sleep 1002 &"
},
{
"job_number": "4",
"pid": "19513",
"history": "current",
"status": "Running",
"command": "sleep 1003 &"
}
]
```
### ls
```
$ ls -l /usr/bin | jc --ls -p
[
{
"filename": "apropos",
"link_to": "whatis",
"flags": "lrwxrwxrwx.",
"links": "1",
"owner": "root",
"group": "root",
"size": "6",
"date": "Aug 15 10:53"
},
{
"filename": "arch",
"flags": "-rwxr-xr-x.",
"links": "1",
"owner": "root",
"group": "root",
"size": "33080",
"date": "Aug 19 23:25"
},
{
"filename": "awk",
"link_to": "gawk",
"flags": "lrwxrwxrwx.",
"links": "1",
"owner": "root",
"group": "root",
"size": "4",
"date": "Aug 15 10:53"
},
{
"filename": "base64",
"flags": "-rwxr-xr-x.",
"links": "1",
"owner": "root",
"group": "root",
"size": "37360",
"date": "Aug 19 23:25"
},
{
"filename": "basename",
"flags": "-rwxr-xr-x.",
"links": "1",
"owner": "root",
"group": "root",
"size": "29032",
"date": "Aug 19 23:25"
},
{
"filename": "bash",
"flags": "-rwxr-xr-x.",
"links": "1",
"owner": "root",
"group": "root",
"size": "964600",
"date": "Aug 8 05:06"
},
...
]
```
### lsblk
```
$ lsblk | jc --lsblk -p
[
{
"name": "sda",
"maj_min": "8:0",
"rm": "0",
"size": "20G",
"ro": "0",
"type": "disk"
},
{
"name": "sda1",
"maj_min": "8:1",
"rm": "0",
"size": "1G",
"ro": "0",
"type": "part",
"mountpoint": "/boot"
},
{
"name": "sda2",
"maj_min": "8:2",
"rm": "0",
"size": "19G",
"ro": "0",
"type": "part"
},
{
"name": "centos-root",
"maj_min": "253:0",
"rm": "0",
"size": "17G",
"ro": "0",
"type": "lvm",
"mountpoint": "/"
},
{
"name": "centos-swap",
"maj_min": "253:1",
"rm": "0",
"size": "2G",
"ro": "0",
"type": "lvm",
"mountpoint": "[SWAP]"
},
{
"name": "sr0",
"maj_min": "11:0",
"rm": "1",
"size": "1024M",
"ro": "0",
"type": "rom"
}
]
```
### lsmod
```
$ lsmod | jc --lsmod -p
[
...
{
"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"
]
},
{
"module": "ip_set",
"size": "45799",
"used": "0"
},
{
"module": "nfnetlink",
"size": "14519",
"used": "1",
"by": [
"ip_set"
]
},
{
"module": "ebtable_filter",
"size": "12827",
"used": "1"
},
{
"module": "ebtables",
"size": "35009",
"used": "2",
"by": [
"ebtable_nat",
"ebtable_filter"
]
},
...
]
```
### lsof
```
$ sudo lsof | jc --lsof -p | more
[
{
"command": "systemd",
"pid": "1",
"tid": null,
"user": "root",
"fd": "cwd",
"type": "DIR",
"device": "8,2",
"size_off": "4096",
"node": "2",
"name": "/"
},
{
"command": "systemd",
"pid": "1",
"tid": null,
"user": "root",
"fd": "rtd",
"type": "DIR",
"device": "8,2",
"size_off": "4096",
"node": "2",
"name": "/"
},
{
"command": "systemd",
"pid": "1",
"tid": null,
"user": "root",
"fd": "txt",
"type": "REG",
"device": "8,2",
"size_off": "1595792",
"node": "668802",
"name": "/lib/systemd/systemd"
},
{
"command": "systemd",
"pid": "1",
"tid": null,
"user": "root",
"fd": "mem",
"type": "REG",
"device": "8,2",
"size_off": "1700792",
"node": "656167",
"name": "/lib/x86_64-linux-gnu/libm-2.27.so"
},
{
"command": "systemd",
"pid": "1",
"tid": null,
"user": "root",
"fd": "mem",
"type": "REG",
"device": "8,2",
"size_off": "121016",
"node": "655394",
"name": "/lib/x86_64-linux-gnu/libudev.so.1.6.9"
},
...
]
```
### mount
```
$ mount | jc --mount -p
[
{
"filesystem": "sysfs",
"mount_point": "/sys",
"type": "sysfs",
"access": [
"rw",
"nosuid",
"nodev",
"noexec",
"relatime"
]
},
{
"filesystem": "proc",
"mount_point": "/proc",
"type": "proc",
"access": [
"rw",
"nosuid",
"nodev",
"noexec",
"relatime"
]
},
{
"filesystem": "udev",
"mount_point": "/dev",
"type": "devtmpfs",
"access": [
"rw",
"nosuid",
"relatime",
"size=977500k",
"nr_inodes=244375",
"mode=755"
]
},
...
]
```
### netstat
```
$ netstat -p | jc --netstat -p
[
{
"transport_protocol": "tcp",
"network_protocol": "ipv4",
"local_address": "localhost.localdo",
"local_port": "34480",
"foreign_address": "lb-192-30-255-113",
"foreign_port": "https",
"state": "ESTABLISHED",
"pid": "53550",
"program_name": "git-remote-ht",
"receive_q": "0",
"send_q": "0"
},
{
"transport_protocol": "tcp",
"network_protocol": "ipv4",
"local_address": "localhost.localdo",
"local_port": "34478",
"foreign_address": "lb-192-30-255-113",
"foreign_port": "https",
"state": "ESTABLISHED",
"pid": "53550",
"program_name": "git-remote-ht",
"receive_q": "0",
"send_q": "0"
}
]
```
```
$ sudo netstat -lpn | jc --netstat -p
[
{
"transport_protocol": "tcp",
"network_protocol": "ipv4",
"local_address": "127.0.0.1",
"local_port": "25",
"foreign_address": "0.0.0.0",
"foreign_port": "*",
"state": "LISTEN",
"pid": "1584",
"program_name": "master",
"receive_q": "0",
"send_q": "0"
},
{
"transport_protocol": "tcp",
"network_protocol": "ipv4",
"local_address": "0.0.0.0",
"local_port": "22",
"foreign_address": "0.0.0.0",
"foreign_port": "*",
"state": "LISTEN",
"pid": "1213",
"program_name": "sshd",
"receive_q": "0",
"send_q": "0"
},
{
"transport_protocol": "tcp",
"network_protocol": "ipv6",
"local_address": "::1",
"local_port": "25",
"foreign_address": "::",
"foreign_port": "*",
"state": "LISTEN",
"pid": "1584",
"program_name": "master",
"receive_q": "0",
"send_q": "0"
},
{
"transport_protocol": "udp",
"network_protocol": "ipv4",
"local_address": "0.0.0.0",
"local_port": "68",
"foreign_address": "0.0.0.0",
"foreign_port": "*",
"pid": "19177",
"program_name": "dhclient",
"receive_q": "0",
"send_q": "0"
},
...
]
```
### ps
```
$ ps -ef | jc --ps -p
[
...
{
"uid": "root",
"pid": "545",
"ppid": "1",
"c": "0",
"stime": "Oct21",
"tty": "?",
"time": "00:00:03",
"cmd": "/usr/lib/systemd/systemd-journald"
},
{
"uid": "root",
"pid": "566",
"ppid": "1",
"c": "0",
"stime": "Oct21",
"tty": "?",
"time": "00:00:00",
"cmd": "/usr/sbin/lvmetad -f"
},
{
"uid": "root",
"pid": "580",
"ppid": "1",
"c": "0",
"stime": "Oct21",
"tty": "?",
"time": "00:00:00",
"cmd": "/usr/lib/systemd/systemd-udevd"
},
{
"uid": "root",
"pid": "659",
"ppid": "2",
"c": "0",
"stime": "Oct21",
"tty": "?",
"time": "00:00:00",
"cmd": "[kworker/u257:0]"
},
{
"uid": "root",
"pid": "666",
"ppid": "2",
"c": "0",
"stime": "Oct21",
"tty": "?",
"time": "00:00:00",
"cmd": "[hci0]"
},
...
]
```
### route
```
$ route | jc --route -p
[
{
"destination": "default",
"gateway": "gateway",
"genmask": "0.0.0.0",
"flags": "UG",
"metric": "100",
"ref": "0",
"use": "0",
"iface": "ens33"
},
{
"destination": "172.17.0.0",
"gateway": "0.0.0.0",
"genmask": "255.255.0.0",
"flags": "U",
"metric": "0",
"ref": "0",
"use": "0",
"iface": "docker0"
},
{
"destination": "192.168.71.0",
"gateway": "0.0.0.0",
"genmask": "255.255.255.0",
"flags": "U",
"metric": "100",
"ref": "0",
"use": "0",
"iface": "ens33"
}
]
```
### uname -a
```
$ uname -a | jc --uname -p
{
"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
{
"time": "16:52",
"uptime": "3 days, 4:49",
"users": "5",
"load_1m": "1.85",
"load_5m": "1.90",
"load_15m": "1.91"
}
```
### w
```
$ w | jc --w -p
[
{
"user": "root",
"tty": "ttyS0",
"from": "-",
"login_at": "Mon20",
"idle": "0.00s",
"jcpu": "14.70s",
"pcpu": "0.00s",
"what": "bash"
},
{
"user": "root",
"tty": "pts/0",
"from": "192.168.71.1",
"login_at": "Thu22",
"idle": "22:46m",
"jcpu": "0.05s",
"pcpu": "0.05s",
"what": "-bash"
}
]
```
## Contributions
Feel free to add/improve code or parsers!
## Compatibility
Tested on:
- Centos 7.7
- Ubuntu 18.4
## Acknowledgments
- `ifconfig-parser` module from https://github.com/KnightWhoSayNi/ifconfig-parser
- Parsing code from Conor Heine at https://gist.github.com/cahna/43a1a3ff4d075bcd71f9d7120037a501 adapted for some parsers
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