Useful Commands/System Management

OS Management

123

TODO

情境	指令
List process	ps -axo pid,command ps -axo pid,command | awk 'match($2, /^ssh/) { print $0; }' ps -axo pid,command | awk 'match($2, /^login/) { print $0; }' ps -axo pid,command | awk 'match($2, /^-?bash/) { print $0; }'
List process tree	pstree 713 pstree $(ps -axo pid,command | awk 'match($2, /^login/) { print $1 }')
CPU & Memory	# Linux cat /proc/cpuinfo cat /proc/meminfo free sudo dmidecode --type 17,19,20
Locale	locale # current locale locale -a # available locales sudo locale-gen # rebuild locales
Run a command one minute later	echo "ls -l > `tty`" | at now + 1 minute