Linux

Articles on Linux: how to install KVM on Ubuntu, install Ubuntu on KVM, copy files and directories between Linux servers and on one server, exit Putty without killing the session, etc.

Articles

• How to Install KVM on Ubuntu 22.04 Server
  Install KVM packages on an Ubuntu 22.04 Server. Configure network Interfaces. Also, you can install KVM on a VirtualBox virtual machine if you'd like to try it first.
• How to Install Ubuntu 22.04 Virtual Machine on KVM
  Get all parameters necessary for installation from the Ubuntu image file. Install a virtual machine with Ubuntu 22.04 on KVM with the command virt-install. Configure networking.
• How to Copy Files and Directories Between Linux Servers
  To copy a file or folder between Linux servers directly:
  1. Go to the destination directory.
  2. Use the command scp.
• How to Copy Directories and Files on a Linux Server
  Use the command cp on the command line on the Linux server to
  • Copy a directory.
  • Copy a file.
    See the most commonly used arguments.
• How to Use WordPress Docker Container for Testing Themes and Plugins Locally
  Test WordPress themes and plugins locally in Docker containers before deploying them on production:
  • Install WordPress quickly with Docker Compose.
    See the example of docker-compose.yml.
  • Reinstall WordPress in a Docker container easily.
• How to Get Country From IP Address in PHP on Ubuntu 22.04
  Get the country name and country code from the visitor's IP address in PHP with the GeoIP2 library:
  • See how to install and configure the GeoIP2 library on Ubuntu 22.04.
  • See an example of code for getting the country name and country code.
• How to Keep a Bash Script Running After the Putty Terminal Gets Closed
  To keep a bash command or script running after the Putty terminal gets closed:
  1. Use the command screen.
  2. Detach the session by pressing Ctrl+A, then D.
  3. Close Putty.
  4. Reconnect to the Linux server.
  5. Check the command or script is still running.
     Or use the commands nohup + disown.
• [VirtualBox] Configure an Ubuntu 22.04 / 20.04 Virtual Machine for Web Development (Complete Guide)
  The complete guide on creating a VirtualBox VM for web development. See how to
  • Create Ubuntu 22.04 / 20.04 VirtualBox virtual machines.
  • Configure the network on a bridged adapter or 2 adapters: NAT + host-only.
  • Install Guest Additions.
  • Share folders between the host machine and the virtual machine.
  • Optimize performance.
• Conditional or Partial MySQL Dump
  Do mysqldump conditionally:
  • Export some tables only.
  • Ignore some tables.
  • Limit the number of rows
  • Export procedures and functions only.
  • Export the database structure only.
  • Export InnoDB tables without locking them, etc.
• Apache Version: How to Upgrade Beyond Ubuntu’s Standard Repository?
  How to Upgrade Apache Version Beyond Ubuntu’s Standard Repository using a PPA. The example is given for Ubuntu 22.04.
• How to Check Ports Open for Incoming Connections on Ubuntu 24.04/22.04
  Methods to check which ports are open for incoming connections on Ubuntu 24.04 and 22.04.