Linux/1-Commands: Difference between revisions

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! Info
! Info
! Example
! Example
! Other
|-
|-
|colspan="5" style="background-color:#ffffff;" | <br> '''Basic'''
| colspan="4" style="background-color:#ffffff;" | <br> '''Basic'''
|-
|-
| dir
| dir
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| list folder content
| list folder content
| dir -Flah
| dir -Flah
|
|-
|-
| cat
| cat
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| show file content
| show file content
| cat config.txt
| cat config.txt
|
|-
|-
|colspan="5" style="background-color:#ffffff;"| <br> '''Files'''
| colspan="4" style="background-color:#ffffff;" | <br> '''Files'''
|-
|-
| mkdir
| mkdir
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| create dir
| create dir
| mkdir /var/test
| mkdir /var/test
|
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|-
| rm
| rm
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| remove file/dir
| remove file/dir
| rm autoexec.bat
| rm autoexec.bat
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|-
|-
| cp
| cp
| %from %to
| %from %to
| copy
| copy
|
|
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| %from %to
| %from %to
| move
| move
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|
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|-
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| file editor
| file editor
| nano
| nano
|
|-
|-
| vi(m)
| vi(m)
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| file editor
| file editor
| vi config.txt
| vi config.txt
|
|-
|-
|colspan="5" style="background-color:#ffffff;"| <br> '''Search'''
| colspan="4" style="background-color:#ffffff;" | <br> '''Search'''
|-
|-
| locate
| locate
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| locate file
| locate file
| locate fstab
| locate fstab
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|-
|-
| updatedb
| updatedb
|
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| update locate database
| update locate database
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| / -n %filename
| / -n %filename
| search for file
| search for file
|
|
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|-
|-
|colspan="5" style="background-color:#ffffff;"| <br> '''System info'''
| colspan="4" style="background-color:#ffffff;" | <br> '''System info'''
|-
|-
| uname  
| uname  
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| show kernel version
| show kernel version
| uname -a
| uname -a
|
|-
|-
| free
| free
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| show free memory
| show free memory
| free -m
| free -m
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|-
|-
| fdisk
| fdisk
| -l
| -l
|  
|  
|
|
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| show harddisk usage
| show harddisk usage
| df -Th
| df -Th
|
|-
|-
| du
| du
|  
|  
|
|
|
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|  
|  
| show network settings
| show network settings
|
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|-
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| show processes
| show processes
| ps -aux  
| ps -aux  
|
|-
|-
| top
| top
|
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| show processes with UI
| show processes with UI
|
|
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|-
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| netstat -tulpn
| netstat -tulpn
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|-
|-
| landscape-sysinfo
| landscape-sysinfo
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| landscape-sysinfo
| landscape-sysinfo
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|-
|-
| htop
| htop
|
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|  
| (extra package)
|
|
| (extra package)
|-
|-
|tload
|tload
|
|
|show cpu graph
|show cpu graph
|
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|-
|-
| iotop
| iotop
|
|
|  
| (extra package)
|
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| (extra package)
|-
|-
| iftop
| iftop
|
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|  
| (extra package)
|
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| (extra package)
|-
|-
| virt-top
| virt-top
|
|
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|(extra package)
|  
|  
| (extra package)
|-
|-
| vnstat
| vnstat
|
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| show network interface statistics
| show network interface statistics
(extra package)
|
|
| (extra package)
|-
|-
| who, w
| who, w
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| pwd
| pwd
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|colspan="5" style="background-color:#ffffff;"| <br> '''Runlevel'''
| colspan="4" style="background-color:#ffffff;" | <br> '''Runlevel'''
|-
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| runlevel
| runlevel
|
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| init  
| init  
| %rlvl
| %rlvl
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| halt
| halt
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| reboot
| reboot
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| shutdown
| shutdown
| -h now
| -h now
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|colspan="5" style="background-color:#ffffff;"| <br> '''Network'''
| colspan="4" style="background-color:#ffffff;" | <br> '''Network'''
|-
|-
| wget
| wget
|
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| download files
| download files
|
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|-
|-
| ntpdate
| ntpdate
|
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|(extra package)
|
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| (extra package)
|-
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| dig
| dig
|  
|  
| get dns info
| get dns info
|
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|-
| whois
| whois
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|  
| (extra package)
|
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| (extra package)
|-
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| nslookup
| nslookup
|
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| get dns info
| get dns info
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| finger
| finger
|
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|  
| (extra package)
|
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| (extra package)
|-
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| route
| route
| -n
| -n
| show active routes
| show active routes
|
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| show network route to target address
| show network route to target address
|
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| show open ports
| show open ports
| netstat -tulpn
| netstat -tulpn
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| iwconfig
| iwconfig
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| show wifi settings
| show wifi settings
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| scan for wifi networks
| scan for wifi networks
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| nethogs
| nethogs
|
|
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|(extra package)
|  
|  
| (extra package)
|-
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|colspan="5" style="background-color:#ffffff;"| <br> '''Apt'''
| colspan="4" style="background-color:#ffffff;" | <br> '''Apt'''
|-
|-
| apt install  
| apt install  
| <package> (-s = simulation)
| <package> (-s = simulation)
| install package
| install package
|
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|  
|  
| update list of available packages
| update list of available packages
|
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| upgrade packages
| upgrade packages
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| upgrade all packages incl. kernel
| upgrade all packages incl. kernel
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|
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| package manager with UI
| package manager with UI
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| dpkg -c
| dpkg -c
|
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| get list of all installed packages
| get list of all installed packages
|  
|  
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| dpkg -S filename
| dpkg -S filename
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| find package, to which the file belongs
| find package, to which the file belongs
|  
|  
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|-  
|-  
| /etc/apt/sources.list
| /etc/apt/sources.list
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|colspan="5" style="background-color:#ffffff;"| <br> '''HDD & Filesystem'''
| colspan="4" style="background-color:#ffffff;" | <br> '''HDD & Filesystem'''
|-
|-
| dd
| dd
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| low level copy
| low level copy
| dd if=/dev/sda2 of=/dev/sdb2  
| dd if=/dev/sda2 of=/dev/sdb2  
|-
|dd
|
|
|wipe drive
|dd if=/dev/urandom of=/dev/sdX bs=4096 status=progress
|-
|-
| lsof
| lsof
|  
|
| show open files
| show open files
|| lsof | grep qcow
|| <nowiki>lsof | grep qcow</nowiki>
|
|-
|-
| smartctl
| smartctl
|
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| read smart info
| read smart info
|
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|
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| set parameters
| set parameters
|
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|-
|-
| blkid  
| blkid  
|  
|
| show block devices UUID
| show block devices UUID
|
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| -w -r -l -a -v -t /dev/sdc1
| -w -r -l -a -v -t /dev/sdc1
| scan fat partition
| scan fat partition
|
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| -v -f -c /dev/sda1  
| -v -f -c /dev/sda1  
| scan ext4 partition
| scan ext4 partition
|
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| -v -n1 -z /dev/sdx
| -v -n1 -z /dev/sdx
|wipe hard drive
|wipe hard drive
|
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|-
|-
|colspan="5" style="background-color:#ffffff;"| <br> '''Helpers'''
| colspan="4" style="background-color:#ffffff;" | <br> '''Helpers'''
|-
|-
| watch
| watch
| -n 5 --differences
| -n 5 --differences
| repeat command every n seconds
| repeat command every n seconds
|
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Revision as of 15:10, 27 July 2023

Command Arguments Info Example

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
netstat netstat -tulpn
landscape-sysinfo landscape-sysinfo
htop (extra package)
tload show cpu graph
iotop (extra package)
iftop (extra package)
virt-top (extra package)
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
dd wipe drive dd if=/dev/urandom of=/dev/sdX bs=4096 status=progress
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
shred -v -n1 -z /dev/sdx wipe hard drive

Helpers
watch -n 5 --differences repeat command every n seconds


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