Linux/1-Commands
< Linux
| Command | Arguments | Info | Example | Other |
|---|---|---|---|---|
Basic | ||||
| dir | -Flah | list folder content | dir -Flah | |
| cat | %file | show file content | cat config.txt | |
Files | ||||
| mkdir | %dir | create dir | mkdir /var/test | |
| rm | %file | remove file/dir | rm autoexec.bat | |
| cp | %from %to | copy | ||
| mv | %from %to | move | ||
| nano | (%file) | file editor | nano | |
| vi(m) | %file | file editor | vi config.txt | |
Search | ||||
| locate | %file | locate file | locate fstab | |
| updatedb | update locate database | |||
| find | / -n %filename | search for file | ||
System info | ||||
| uname | -a | show kernel version | uname -a | |
| free | -m | show free memory | free -m | |
| fdisk | -l | |||
| df | -Th | show harddisk usage | df -Th | |
| du | ||||
| ifconfig | show network settings | |||
| ps | -aux | show processes | ps -aux | |
| top | show processes with UI | |||
| htop | (extra package) | |||
| iotop | (extra package) | |||
| iftop | (extra package) | |||
| virt-top | (extra package) | |||
| netstat | ||||
| vnstat | show network interface statistics | (extra package) | ||
| who, w | ||||
| pwd | ||||
Runlevel | ||||
| runlevel | ||||
| init | %rlvl | |||
| halt | ||||
| reboot | ||||
| shutdown | -h now | |||
Network | ||||
| wget | download files | |||
| ntpdate | (extra package) | |||
| dig | get dns info | |||
| whois | (extra package) | |||
| nslookup | get dns info | |||
| finger | (extra package) | |||
| route | -n | show active routes | ||
| traceroute | show network route to target address | |||
| netstat | -tulpn | show open ports | netstat -tulpn | |
| iwconfig | show wifi settings | |||
| iwlist scan | scan for wifi networks | |||
| nethogs | (extra package) | |||
Apt | ||||
| apt install | <package> (-s = simulation) | install package | ||
| apt update | update list of available packages | |||
| apt upgrade | upgrade packages | |||
| apt dist-upgrade | upgrade all packages incl. kernel | |||
| aptitude | package manager with UI | |||
| dpkg -c | ||||
| dpkg --get-selections | get list of all installed packages | |||
| dpkg -S filename | find package, to which the file belongs | |||
| /etc/apt/sources.list | ||||
HDD & Filesystem | ||||
| dd | if=%in of=%out | low level copy | dd if=/dev/sda2 of=/dev/sdb2 | |
| lsof | show open files | lsof | grep qcow | ||
| smartctl | read smart info | |||
| hdparm | set parameters | |||
| blkid | show block devices UUID | |||
| dosfsck | -w -r -l -a -v -t /dev/sdc1 | scan fat partition | ||
| fsck.ext4 | -v -f -c /dev/sda1 | scan ext4 partition | ||
Helpers | ||||
| watch | -n 5 --differences | repeat command every n seconds | ||