nah di artikel berikut ini, saya akan coba memberikan masukan-masukan serta sedikit penjelasan untuk perintah-perintah penting Ubuntu. Tapi pastinya anda sudah mengenal apa itu ubuntu.
baik kita langsung saja.
ini ada contoh bagaimana perintah beserta deskripsinya (menggunakan bahasa inggris), selamat mencoba..
Clear Bash history
history -c
If you want to use colorful "ls", that is, use colors to distinguish types of files, you can add these lines in ~/.bashrc:
if [ "$TERM" != "dumb" ]; then
eval "`dircolors -b`"
alias ls='ls --color=auto'
fi
Display Linux distributor's ID
lsb_release -is
Display Linux release number
lsb_release -rs
Display Linux code name
lsb_release -cs
Display machine hardware name
uname -m
List all PCI devices, such as display card and ethernet card.
lspci
Reclaim memory which stores pagecache, dentries and inodes
echo 3 > /proc/sys/vm/drop_caches
Display a list of modules in the Linux Kernel
lsmod
List USB devices
lsusb -v
Display the status of ethernet card
sudo ethtool eth0
List hardware
sudo lshw
List harddisk partitions
sudo fdisk -l
Display SATA harddisk parameters
sudo hdparm -I /dev/sda
Display disk space usage
df -h
Display file/folder space usage
du -bsh FOLDER_NAME
Display amount of free and used memory
free
Display processes
ps -e
Display a tree of processes
pstree
Display processes dynamically
top
Terminate a process with a given process id
sudo kill -9 PROCESS_ID
Terminate all processes with a given name
sudo killall PROCESS_NAME
List files which are opened by a given process
lsof -p PROCESS_ID
lsof -c PROCESS_NAME
List processes which opened a given file
lsof FILE_NAME
List processes which are using port 80
lsof -i :80
Configure an ADSL connection
sudo pppoeconf
Starts up ADSL connections
sudo pon
Shuts down ADSL connections
sudo poff
Display MAC of a given IP address
arping IP_ADDRESS
Display NetBIOS name of a given IP address
nmblookup -A IP_ADDRESS
Display IP address and MAC
ifconfig -a
Display route
netstat -rn
Set MAC of ethernet interface
sudo ifconfig eth0 hw ether 00:11:22:33:44:55
Display information of a domain name
whois example.com
Display the network path to a given host
tracepath example.com
Request an IP address from DHCP server
sudo dhclient
Temporarily restart an init script
sudo /etc/init.d/SCRIPT_NAME restart
Temporarily stop an init script
sudo /etc/init.d/SCRIPT_NAME stop
Add a user
sudo adduser USER_NANE
Delete a user
sudo deluser USER_NAME
Change user password
sudo passwd USER_NAME
Changes user fullname, office number, office extension, and home phone number information.
sudo chfn USER_NAME
Display user information
finger USER_NAME
Temporarily prevent a user from logging in
sudo usermod -L USER_NAME
Revoke the operation above
sudo usermod -U USER_NAME
Add a user to admin group
sudo usermod -G admin -a USER_NAME
Set the HTTP proxy
export http_proxy=http://PROXY.DOMAIN.NAME:PORT
Modify the information displayed after logging in
sudo vim /etc/motd.tail
Choose the input method for X Window
im-switch -c
Convert the file name from GBK to UTF8
convmv -r -f gbk -t utf8 --notest FILE_NAME
Convert the file content from GBK to UTF8
iconv -f gbk -t utf8 FILE_NAME
Convert tags in '*.mp3' from GBK to UTF8
find . -name '*.mp3' -execdir mid3iconv -e GBK {} \;
Read a long file
less FILE_NAME
Print lines matching a pattern
grep REG_EXP FILE_NAME
Display a list of file name. The files contain a given string.
grep -lr REG_EXP PATHNAME
Display all '.txt' file
find . -name '*.txt'
Create two empty files
touch file_name_1 file_name_2
Create directory. Create parent directories as needed.
mkdir -p /tmp/a/b/c/d/e
Change working directory to the home folder
cd
Change working directory to the previous working directory
cd -
Display hidden files
ls -a
Copy directory. Preserve links, file mode, ownership, timestamps.
cp -a SOURCE_DIRECTORY DEST_DIRECTORY
Determine file type
file FILE_NAME
Output the last 6 lines
tail -n 6 FILE_NAME
Copy files via SSH
scp -rp FILE_NAME USERNAME@HOST:DEST_PATH
Rename '*.rm' files to '*.rmvb' files
rename 's/.rm$/.rmvb/' *
Change the file name to lowercase
rename 'tr/A-Z/a-z/' *
Display subdirectories in current directory
ls -d */.
Display file number in current directory
ls . | wc -w
Extract "*.gz" file
gunzip FILE_NAME.gz
Extract "*.tar.gz" file
tar zxf FILE_NAME.tar.gz
Extract "*.tar.bz2" file
tar jxf FILE_NAME.tar.bz2
Do compression
tar czf FILE_NAME.tar.gz FILE1 FILE2 FILE3
tar cjf FILE_NAME.tar.bz2 FILE1 FILE2 FILE3
Displays a calendar
cal
cal MONTH YEAR
Set the date and time via NTP
sudo ntpdate ntp.ubuntu.com
Poweroff your computer
sudo halt
sudo shutdown -h now
Poweroff your computer in 23:00
sudo shutdown -h 23:00
Poweroff your computer after 60 minutes
sudo shutdown -h +60
Reboot your computer
sudo reboot
sudo shutdown -r now
If you want some program to start up automatically, please put '.desktop' files into '~/.config/autostart'
You can configure "preferred applications" by this file "~/.local/share/applications/mimeapps.list"
Continuously monitor the memory usage
watch -d free
Display HTTP HEAD response
w3m -dump_head http://example.com
Display file content with line number
nl FILE_NAME
Eliminate Rootkit
sudo rkhunter --checkall
Change hostname
sudo hostname new_name
"Tasksel" group software packages into "task"s. You can select a "task" and then install all necessary software packages. It is easy to set up LAMP servers or cloud computing servers.
Show all tasks
tasksel --list
Display the extended description of a task
tasksel --task-desc lamp-server
List the packages which are parts of a task
tasksel --task-packages lamp-server
Install/remove a task
gksudo tasksel
Change Process priority
renice NEW_PRIORITY `pgrep NAME_OF_PROCESS`
example: renice 5 `pgrep firefox`
renice -5 `pgrep wine-server`
high <------------------> low
NEW_PRIORITY = -19, -18, -17 [...] 18, 19, 20
~/.thumbnails/ directory is a cache dir GNOME makes when you browse through your folders in nautilus.
It contains thumbnail pictures of picture files you've previously looked at.
You can get its total size by
du -bs ~/.thumbnails/
You can delete the files in the .thumbnails directory that haven't been accessed for seven days, to free disk space.
find ~/.thumbnails/ -type f -atime +7 -exec rm {} \;
Capture screen after 10 seconds
gnome-screenshot -d 10
Capture current window after 10 seconds
gnome-screenshot -wd 10
Start GConf editor:
Press Alt+F2, type 'gconf-editor'.
Set apt source
sudo software-properties-gtk
sudo software-properties-kde
Display the packages which are not installed but have remained residual config
dpkg -l | awk '/^rc/ {print $2}'
Add a PPA repository:
sudo add-apt-repository ppa:PPA-REPOSITORY-NAME
Display a list of files. The files are installed from a given package.
dpkg -L PACKAGE_NAME
Display a list of packages. The packages installed a given file.
dpkg -S FILE_NAME
Display a list of packages. The name of packages matches given regex pattern.
apt-cache search REG_EXPRESSION
Display a list of packages. The packages provide a given file.
apt-file search FILE_NAME
Display a list of packages. The given package depends on the list of packages.
apt-cache depends PACKAGE_NAME
Display a list of packages. These packages depend on the given package.
apt-cache rdepends PACKAGE_NAME
Prompt for a disk to be inserted and then add the disc to the source list.
sudo apt-cdrom add
Install the newest versions of all packages currently installed on the system.
sudo apt-get upgrade
Delete residual package configuration files.
dpkg -l | grep ^rc | awk '{print $2}' | sudo xargs dpkg -P
Automatically install necessary files for './configure ; make ; make install'
sudo auto-apt run ./configure
Save the list of packages currently installed on your system.
dpkg --get-selections | grep -v deinstall > SOME_FILE
Then use the file to restore packages.
dpkg --set-selections < SOME_FILE ; sudo dselect
After running "sudo apt-get install", "*.deb" files are stored in "/var/cache/apt/archives"
You can clean this directory by:
sudo apt-get clean
Display URL for a given package
apt-get -qq --print-uris install PACKAGE_NAME
Display some statistics about the apt cache
apt-cache stats
Display all package name
apt-cache pkgnames
Display some information of a given package
apt-cache show PACKAGE_NAME
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