imported>Jeremy-busk at 01:07, 30 January 2019

2019-01-30T01:07:48Z

New page

## List of Useful Linux One-line Commands

Common commands used in Linux environments to get shiz done.

Associated commands are indented bullets to master bullet.

Some of these may require root privileges.

* htop
* fping -A -d -a -q -g -a -i 1 -r 0 192.168.1.0/24
* nc -l 1234
* nc 127.0.0.1 1234
* sudo nmap -sS -n -p 22 192.168.0.0/24
* ngrep -d eth0 lo port 5432
* shopt -s expand_aliases
* sudo tcpdump -npi eth0 net 10 and port 80 and port 443
* nft list ruleset
* sar 1 100
* sed -i 's/bad-text/good-text/g'
* sudo python3 -m http.server 81
* lvextend -An -L+5G --resizefs /dev/mapper/fedora_gitlab--runner--shared--1-root
* tmp_dir=$(mktemp -d "mydir".XXXXXXXXXX) || { echo "Failed to create temp file"; exit 1; }
* ip=$(for mac in `virsh domiflist $vm_name |grep -o -E "([0-9a-f]{2}:){5}([0-9a-f]{2})"` ; do ip neighbor | grep $mac |grep -o -P "^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}" ; done)

Linux One-line Commands - Revision history

imported>Jeremy-busk at 01:07, 30 January 2019