How to Enable/Disable Password Login in Unix (Ubuntu) via Command Line
Edit the ssh config file using your preferred editor I am going to install vim. You will need root access to do this operation. vim /etc/ssh/sshd_config Then find the line with PasswordAuthentication and change the line as below PasswordAuthentication yes If you want to turn off the password authentication then
How to Run Node.Js Application as Different User?
In your .env file add USER=www-data Note: I have choose to run node as the user www-data you can choose any other appropriate one. Now Run $ npm i userid --save At the top of your app.js or index.js file add const userid = require('userid');const user = process.env.USER;const uid =
How to List Files & Directories With Size in Linux Command Line
The command du stands for Disk Uses. You can use this command to see how much disk space a file or directory is taking. In order to list size of all files and directory of the current directory. You can run: du -sh * Explanation: du: Disk Usage -s: Display
Ubuntu How to List All PHP Packages?
grep is a very useful command to learn no matter which linux distribution you are using. For example I wanted to list all php 7.1 available packages. I can use grep command to filter out the output and show only relevant package names. apt-cache pkgnames | grep php7.1
How to Create Symlink via CLI in Unix – CentOS – Ubuntu – Linux
Symbolic link or symlink ( or sometime called soft link ) is a file that only exists as a reference for another file or directory. In order to create symlink via command link interface (CLI) in an Unix based system you will need to use ln command. ln -s /path/to/file
How to Extract tar.gz file in Unix/Linux
When you are in a unix based system like Ubuntu, CentOS etc. You will need to know how you can extract a tar.gz file using command line interface (CLI) Take an example, we have a file myFile.tar.gz cd into the same directory as the file. Now run the command tar
