Booting a physical machine using USB is much easier, but VirtualBox does not provides direct way to select boot from USB. So if you have a bootable USB drive then this article will help you to how to create VirtualBox vm using bootable USB. For this example, I have already created a bootable USB...
Now a days technical support engineers prefers to use bootable USB flash drive for Linux installation in place of created bootable CD/DVD drive. Installing system using bootable flash USB drive is much faster than CD/DVD. This article will help you to how to create bootable USB drive of any Linux distribution using Ubuntu or...
CentOS 6.10 has been released, If you are using older version 6.x release of CentOS operating system, this article will help to upgrade CentOS to latest release 6.10. This new release has lots of security changes and updates to packages. Currently, my server is running CentOS 6.9. Follow the below steps to upgrade it...
For the security purpose by default IP forwarding is disabled in modern Linux operating system. If you are required to enable IP forwarding on your system, follow the below steps. In this article, you will get how to check that IP forwarding is enabled or not. If not, enable it. Check Current IP Forwarding...
Restart System: $ reboot Shutdown System: $ poweroff Generally, Linux system users use the command line for managing remote Linux systems. This article will help you to shutdown or reboot Linux system using the command line. Restart Linux In Linux system just type reboot on command prompt and press enter. Make sure you have...
SCP (Secure Copy) is a command line tool for Linux systems for securely transfer files from local to remote server or vice a versa. SCP uses SSH protocol for transferring files between two systems which is more secure than ftp. Syntax: (Local to Remote) scp /path/to/local/file.txt [email protected]:/remote/path/ Syntax: (Remote to Local) scp [email protected]:/remote/file.txt /path/to/local/...
Nagios is the most popular infrastructure monitoring server on internet. You can use our tutorial to install Nagios on RHEL based systems or Debian systems. You need to install NRPE on all remote Linux systems to monitor with Nagios. NRPE is known as Nagios Remote Plugin Executor. The NRPE add-on is designed to execute...
Swap space is useful for systems having less memory (RAM). If your system facing the problem of lack of memory continuously and you don’t want to increase memory on the server, Then it can be helpful to enable swap in your system. Swap is comparatively much slower than physical memory but the operating system...
Linux has experienced growing popularity in the last couple of years and, due to that, many Linux users have been developing it and adding to the overall availability of this operating system. In addition to that, virtual private servers have also made a rapid progress over the last few years, so that today we...
Sometimes we face issues with MySQL installation on Linux machine. If we simply remove MySQL packages and re-install doesn’t fix the issue, in that case, old settings may still exist on the server which again affects new install. In that case first, uninstall MySQL completely from the system and erase all settings of old...