Useful Commands/System Management

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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