You can use the rename command to rename multiple folders in Linux using the command line. The rename command is a Perl-based utility that allows you to rename multiple files based on a regular expression. Here’s an example of how to use the rename command to rename all folders that have the name “old_folder” to … Read more

To check the CPU temperature on Ubuntu Linux, you can use the ‘sensors’ command. This command is part of the lm-sensors package, which is not installed by default on Ubuntu. To install it, you can run the following command: sudo apt-get install lm-sensors Once the package is installed, you can run the ‘sensors’ command to … Read more

To install htop on Ubuntu Linux using apt, you can use the following command: sudo apt update sudo apt install htop This will update your package repository and install htop on your system. Once the installation is complete, you can run the htop command to start the program.

Yes, you can delete the contents of the /var/cache/apt/archives directory on Ubuntu/Debian Linux. The directory contains package files that have been downloaded by the apt package manager, and they can be safely removed if you need to free up space on your system. You can use the command “sudo rm -rf /var/cache/apt/archives/*” to remove all … Read more

There are several commands that can be used to check disk space on Unix servers. Some common ones include: df -h: This command shows the file system disk space usage in human-readable format. It shows the total, used and available space on each file system. du -sh: This command shows the disk space usage for … Read more

To check open ports in Linux using the command line interface (CLI), you can use the “netstat” command. This command will show you all the active network connections, including information about the protocol (TCP or UDP), the local and remote addresses and ports, and the state of the connection. To check all open ports, use … Read more

To disable SELinux on CentOS 7, RHEL 7, or Fedora Linux, you can use the following steps: Open the SELinux configuration file: sudo nano /etc/selinux/config Change the SELINUX value to “disabled” SELINUX=disabled Save and close the file Reboot the system for the changes to take effect sudo reboot Note: Disabling SELinux may weaken the security … Read more

To set up automatic updates for Ubuntu Linux 18.04, you can use the unattended-upgrades package. First, make sure that the package is installed by running: sudo apt-get update sudo apt-get install unattended-upgrades Next, open the configuration file: sudo nano /etc/apt/apt.conf.d/50unattended-upgrades In the file, uncomment the line that starts with “//Unattended-Upgrade::Origins-Pattern”. This will allow the package … Read more

  To install LAMP (Linux, Apache, MySQL, PHP) on Debian 10 (Buster), you can use the following steps: Install Apache web server: sudo apt-get update sudo apt-get install apache2 -y Install MySQL server: sudo apt-get install mysql-server -y Install PHP and necessary modules: sudo apt-get install php php-mysql libapache2-mod-php -y After installation, start Apache and … Read more

To delete a UFW firewall rule on Ubuntu or Debian Linux, you can use the ufw command with the delete option. For example, if you want to delete a rule that allows incoming traffic on port 22 (SSH), you can use the following command: sudo ufw delete allow 22 Alternatively, you can also use the … Read more