Tag: ubuntu

  • How to Recursively Delete a File Type in a Directory – Unix

    How to Recursively Delete a File Type in a Directory – Unix

    Use find Example uses deletion of mp4 files. Run find /some/dir/ -maxdepth 10 -type f -name “*.mp4” You will see a list of mp4 files. Now you just need to add -delete option to delete them. The complete Command find /some/dir/ -maxdepth 10 -type f -name “*.mp4” – delete

  • How to Recursively Copy a Folder Excluding Certain File Types in Unix

    How to Recursively Copy a Folder Excluding Certain File Types in Unix

    Use rsync rsync -aP –exclude=*.mp4 /folder1/* /folder2/ -a : Recursive -P: Shows progress –exclude: You cause use file types or directory here. For multiple file types, you can use multiple exclude commands. For example –exclude=*.jpg –exclude=*.png

  • 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 you can just commented out […]

  • 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 a summary for each specified […]

  • 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 /path/to/symlink ln stands for Link.

  • How to Extract tar.gz file in Unix/Linux

    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 -xzf myFile.tar.gz This will create […]