You can check the memory usage on Debian Linux using the free command. This command displays the total amount of free and used physical and swap memory in the system, as well as the buffers used by the kernel. Here is an example:   $ free -h total used free shared buff/cache available Mem: 7.8G … Read more

You can create a new user account on Ubuntu Linux using the adduser or useradd command. Here is an example of how to create a new user named “newuser”:   $ sudo adduser newuser The above command will prompt you to enter a password and other information for the new user. If you want to … Read more

To remove unwanted or unused dependencies in a FreeBSD package, you can use the pkg autoremove command. This command will automatically remove dependencies that are no longer needed by any installed packages on your system. Here is an example of how to use pkg autoremove:   # pkg autoremove This command will analyze your installed … Read more

To change the hostname of an OpenSUSE Linux system, follow these steps: Edit the hostname file:   sudo nano /etc/hostname Replace the existing hostname with the desired one and save the file. Update the /etc/hosts file to reflect the new hostname:   sudo nano /etc/hosts Change the hostname in the line starting with 127.0.0.1 to … Read more

The process for binding the Network Time Protocol (ntpd) daemon to specific IP addresses on Linux or Unix depends on the version of ntpd you are using. Here are some general steps that should work for most versions: Open the ntpd configuration file, which is usually located at /etc/ntp.conf. Find the line that starts with … Read more

You can restart a process that is not running within a cron job by using the command line. The exact method for doing this will depend on the process you want to restart and the operating system you are using. Here are some general steps that should work for most cases: Identify the process you … Read more

You can use the apt module in Ansible to autoremove unwanted package dependencies with the autoremove option. Here’s how you can do this: Create a playbook file, for example autoremove.yml Add the following code to the playbook file:   — – name: Autoremove Unwanted Package Dependencies hosts: localhost gather_facts: yes tasks: – name: Autoremove unwanted … Read more

In Unix/Linux, file permissions are stored in binary form, but can be displayed as octal values using the stat command. Here’s how to display the octal file permissions of a file using the command line: Run the stat command and specify the file path:   stat -c %a <file_path> Replace <file_path> with the path to … Read more

If you are encountering the error “Host ‘IP’ is blocked because of many connection errors” on a MySQL or MariaDB server, it means that the server has reached the maximum number of failed connection attempts and has blocked the IP address in question. To fix this issue, you need to unblock the IP address. (https://teamtapper.com/) … Read more

To install Firefox 59 Quantum on a Linux system, you need to follow these steps: Download the Firefox 59 Quantum package: Go to the Firefox download page: https://www.mozilla.org/en-US/firefox/59.0/releasenotes/ Select the appropriate package for your Linux distribution (e.g., .deb for Debian-based distributions, .rpm for Red Hat-based distributions, etc.). Save the package to your local system. Install … Read more