bash_oneliners
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BASH oneliners
- Remove offending key from known_hosts file with one swift move
$ sed -i 18d .ssh/known_hosts
- Whats my WAN IP?
$ dig +short myip.opendns.com @resolver1.opendns.com
- Math on the cli
Basic operations $ echo $((1+1)) 2 $ echo $((3-1)) 2 $ echo $((4/2)) 2 $ echo $((1*2)) 2 Floating point calculations $ echo "2*2.2/2.2" | bc 2
bash_oneliners.1444307340.txt.gz · Last modified: 2015/12/19 14:59 (external edit)