Ubuntu terminal commands

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Get rights of a folder

$ sudo chown -R ‘username’ dir/

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Cleaning the cache and the computer

$ sudo apt-get autoremove $ sudo apt-get autoclean

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Add PPA repository

$ sudo add-apt-repository ppa:xyz/xyz $ sudo apt-get update $ sudo apt-get install xyz

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Remove PPA repository ::

$ sudo add-apt-repository –remove ppa:xyz/xyz

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Java Virtual Machine for Java Applications

$ sudo apt install openjdk-8-jre

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Go to command in terminal

$ cd ~/directory/ $ xdg-open . $ xdg-open file

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Creating SSH (v2) key in terminal

$ ssh-keygen -t rsa

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Simple installation of Brew - the missing package

$ sudo apt install linuxbrew-wrapper

and/or

$ sh -c “$(curl -fsSL https://raw.githubusercontent.com/Linuxbrew/install/master/install.sh)”

Updates & upgrades

$ sudo apt-get update

$ sudo apt-get upgrade

$ sudo apt-get –only-upgrade < package >

$ sudo apt-get dist-upgrade < package >

Kernel Version

$ uname -a

Distribution Information

$ lsb_release -a

Unzip/extract tar.gz files

$ tar -xvzf file.tar.gz

Gitlab Host

$ gitlab-ctl start

$ gitlab-ctl stop

$ gitlab-ctl restart

Change default terminal in Ubuntu

$ sudo update-alternatives –config x-terminal-emulator

Inline pw in terminal

$ echo < password>

sudo -S < command>

Example

$ echo aimer | sudo -S /opt/lampp/manager-linux-x64.run

Mount ISO

$ sudo mount -o loop file.iso /dir/folder

Display your username

$ whoami

Whit Id

$ id -un

Check chmod status - current

$ stat –format ‘%a’ /directory or “.filte”

Set read/write permission on hard drive

$ cd /media/your_external_drive $ sudo chmod -R -v 777 *

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Default permission of /opt folder XAMPP

$ sudo chmod -R 777 /opt/ $ sudo chown -R root /opt/

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