Category: Uncategorized

Linux / Command / rm / Command to delete files or directories
This explains how to delete files and directories with rm in Linux using examples, and looks at confirmation options, wildcards, and precautions before deletion.

Linux / Commands / cp - command to copy, mv - command to move
Explains how to copy, move, and rename files and directories in Linux using cp and mv through examples, and reviews overwriting and path errors.

Linux / Command / history / Command to display a list of previously executed commands
Learn how to view, search, and re-execute command history with Bash's history, as well as conditions for saving, excluding, and deleting history.

Linux / Commands / cd / Command to move to another directory
This explains how to move to absolute and relative paths, home, parent, and previous directories using the Linux cd command and how to resolve path errors.

Linux ls Command: List Files and Directories
This explains how to list files and directories using the Linux ls command and how to check hidden items, detailed information, sorting, and name patterns.

Linux: How to Log Out, Reboot, and Shut Down
Explains commands in Linux to exit the current shell and reboot or shut down the systemd server, including scheduling, cancellation, and pre-execution checks.

Linux man Command: How to Read and Search Manual Pages
Explains how to open and search manuals using the Linux man command, select section numbers, and check what to do when the document cannot be found.

Linux rmdir Command: How to Remove Empty Directories
Practice deleting empty directories using the Linux rmdir command, and examine the options -p, -v, and the conditions for handling non-empty directories.

Ubuntu 18.04 Server / How to Install phpMyAdmin
This explains how to connect Apache and phpMyAdmin on Ubuntu 18.04 Server and safely access the management interface using an SSH tunnel and a database account.

Ubuntu 22.04 Server / How to Install and Use ClamAV
Explains how to install and update ClamAV and its virus database on Ubuntu 22.04 Server, how to scan files, and how to safely handle detection results.