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How to install xfs and create xfs file system on Debian/Ubuntu Linux
To install xfs utilities on Debian/Ubuntu Linux, you can use the following command: sudo apt - get update rnsudo apt - get install xfsprogsrn To create an xfs file system on a disk or partition, you can use the mkfs.xfs command, followed by the disk or partition name. For example: sudo mkfs.xfs /dev
Bash Bypass Alias Linux/Unix Command
To bypass an alias in a bash shell, you can use a backslash () before the command. For example: $ alias ls = 'ls -al' rn $ \ ls rn This will execute the ls command without the alias and show the output without the -al option. or To bypass an alias in bash, you can use the command in th
Linux Drop User – Remove a Linux user
To remove a user account on Linux, you can use the userdel command. This command will delete the user account and its related files. For example, to delete the user "john" you can use the following command: sudo userdel johnrn Note: You need to be logged in as a superuser (root) to run this command.
How to write/create a Ubuntu .iso to a bootable USB device on Linux using dd command
To write a Ubuntu .iso file to a bootable USB device on Linux using the dd command, follow these steps: n n Plug in the USB device. n Identify the correct device name for the USB drive. You can use the lsblk command to list all available block devices. n Unmount the USB device using the following co
MySQL reset password for user account
To reset the password for a MySQL user account, you can use the following steps: Connect to the MySQL server as the root user: mysql -u root - p rn Use the following command to reset the password for a specific user account: SET PASSWORD FOR 'username' @ 'hostname' = PASSWORD( 'newpassword' );rn Rep
How to install or compile GIMP filters/plugins/extensions on Linux
To install or compile GIMP filters/plugins/extensions on Linux, you can follow these steps: Download the source code of the GIMP filter you want to install from a trusted source. Extract the source code to a directory of your choice. Open the terminal and navigate to the directory where the source c
How to install curl command on Ubuntu Linux
To install curl command on Ubuntu Linux, you can use the following steps: Open the terminal and update the package lists using the following command: sudo apt update rn Install curl using the following command: sudo apt install curlrn Verify the installation by checking the version of curl : curl --
How to import a OpenVPN .ovpn file with Network Manager or Command Line in Linux
To import a .ovpn file with Network Manager in Linux, follow these steps: Install Network Manager OpenVPN plugin: sudo apt- get install network-manager-openvpn-gnomern Go to Network Connections from the System Settings or from the top right corner Network Manager applet. Click on the gear icon and s
How to Install and Configure latest version of Ansible on Ubuntu Linux
To install and configure the latest version of Ansible on Ubuntu Linux, follow these steps: Update the package list: sudo apt - get update rn Install the software-properties-common package: sudo apt- get install software-properties-commonrn Add the Ansible PPA repository: sudo apt-add-repository ppa
How to check memory on Debian Linux
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 -hrn total used free shared buff/cache availablern Mem: 7.8 G 1
How to create a user account on Ubuntu Linux
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 newuserrn The above command will prompt you to enter a password and other information for the new user. If you want to automate the p
Remove Unwanted/Unused Dependencies in FreeBSD package
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 rn This c
OpenSUSE Linux Change Hostname (computer name) command
To change the hostname of an OpenSUSE Linux system, follow these steps: Edit the hostname file: sudo nano /etc/hostnamern 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/hostsrn Change the hostname in the li
How to bind ntpd to specific IP addresses on Linux/Unix
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 t
How to restart a process out of crontab on a Linux/Unix
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 want
How to use Ansible to autoremove unwanted package dependency with apt
You can use the apt module in Ansible to autoremove unwanted package dependencies with the autoremove option. Here’s how you can do this: n n n Create a playbook file, for example autoremove.yml n n n Add the following code to the playbook file: n n n --- n - name: Autoremove Unwanted Package
How to get octal file permissions on Linux/Unix command line
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: n n n Run the stat command and specify the file path: n n n stat -c %a <file_path> n
Fix Host ‘IP’ is blocked because of many connection errors on MySQL/MariaDB
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 ne
How to install Firefox 59 Quantum on a Linux
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
How to install man pages on CentOS Linux 6/7/8/9
On CentOS Linux, you can install man pages using the package manager yum . Here's how to install man pages on CentOS Linux 6/7/8/9: Open a terminal or SSH into your CentOS Linux machine. Update the package information to make sure you have the latest list of packages: sudo yum update rn Install the
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