-------------------------------------------------------- Etherial reads: I want an octocore Rock64! -------------------------------------------------------- [HOME] [ABOUT] [SCRIPTS] [INVISIBLE] [SNIPPETS] [BLOG] -------------------------------------------------------- ___________ __ .__ .__ .__ \_ _____// |_| |__ ___________|__|____ | | | __)_\ __\ | \_/ __ \_ __ \ \__ \ | | | \| | | Y \ ___/| | \/ |/ __ \| |__ /_______ /|__| |___| /\___ >__| |__(____ /____/ \/ \/ \/ \/ -------------------------------------------------------- [rock64@etherial] ~ $ ./snippets Snippets: Here you will find one-liners/snippets that I use in my Linux bash console. Generate a random 12 character password: head -c 12 /dev/urandom | md5sum | head -c 12 Conditional checking if program is running: pidof nginx>/dev/null && echo yes || echo no Always reclaim or create the same screen session: Put this line in your .bash_profile, replace 'Etherial' with your favorite screen name :) [ -z "$STY" ] && screen -Rd "Etherial" Strip empty lines and lines starting with # from file: Don't forget to use the -i.bak to save a backup! In this example the main file will be overwritten and the original file will be called sshd_config.bak sed -i.bak '/^#/d;/^$/d' sshd_config Show the CPU utilization: ps -eo psr | sort | uniq -c | grep -v PSR | awk'{print"CPU",$2,":",$1}' Example output: CPU 0 : 43 CPU 1 : 37 CPU 2 : 12 CPU 3 : 19 Use grep to find occurences with linenumbers grep -in "query" * Powered by a Rock64 (4GB) HTML5 & CSS3 verified! Generated: 0.0599s