Installing MariaDB on Red Hat Enterprise Linux 8 (RHEL 8) is a fairly straightforward process. Here’s an overview of the steps you’ll need to take: Start by adding the MariaDB repository to your system. You can do this by running the following command: sudo dnf config-manager –add-repo https://downloads.mariadb.com/MariaDB/mariadb_repo.cfg Install MariaDB by running the following command: … Read more
To update OpenSUSE Linux software and kernel using the command line, you can use the “zypper” command. First, update the package index by running: sudo zypper refresh Then, update all installed packages by running: sudo zypper update You can also update specific packages by specifying their names after the “update” command. To update the kernel, … Read more
You can define an SSH key per host using the ansible_ssh_private_key_file variable in Ansible. This variable allows you to specify a different private key file for each host or group of hosts. Here is an example of how you can use the ansible_ssh_private_key_file variable in your inventory file: [web-servers] web1 ansible_host=192.168.1.100 ansible_ssh_private_key_file=~/.ssh/web1.pem web2 ansible_host=192.168.1.101 ansible_ssh_private_key_file=~/.ssh/web2.pem … Read more
Setting up SSH keys on a Red Hat Enterprise Linux 8 (RHEL 8) system allows you to log in to a remote server without having to enter a password. Here is an overview of the steps to set up SSH keys on RHEL 8: Start by creating a new key pair on your local machine. … Read more
To upgrade Ubuntu 16.04 to 18.04 LTS using the command line interface (CLI), you can follow these steps: Make sure your system is fully updated by running the following command: sudo apt update && sudo apt upgrade Back up your system before you begin the upgrade process. This is important to ensure that you can … Read more
Memcached is a high-performance distributed memory caching system that can be used to speed up dynamic web applications by reducing the amount of time required to load data from a database. Here is an overview of the steps to install and configure Memcached on Ubuntu 18.04/20.04: Start by updating the package list: sudo apt update … Read more
UFW, or Uncomplicated Firewall, is a command-line firewall tool for Ubuntu 18.04 LTS servers. Here is an overview of the steps to set up a UFW firewall on an Ubuntu 18. (drugstore com online pharmacy prescription drugs) 04 LTS server: Start by updating the package list: sudo apt update Install the UFW package: sudo apt … Read more
To configure a static IP address on Red Hat Enterprise Linux (RHEL) 8, you can follow these steps: Open the /etc/sysconfig/network-scripts/ifcfg-interface file, where interface is the name of the network interface you want to configure. For example, if you want to configure the eth0 interface, you would open the /etc/sysconfig/network-scripts/ifcfg-eth0 file. Change the BOOTPROTO line … Read more
Cockpit is a web-based interface for managing servers running Red Hat Enterprise Linux (RHEL) 8. Here is an overview of the steps to install and activate Cockpit on RHEL 8: Install the Cockpit package using the dnf package manager: sudo dnf install cockpit Start the Cockpit service: sudo systemctl start cockpit.socket Enable the Cockpit service … Read more
In Bash, you can read the names of files from a text file and take action on them using a while loop and the read command. Here’s an example of how you might do this: #!/bin/bash # The name of the file containing the list of file names file_list=”files.txt” # Open the file and read … Read more