VirtualBox – No Bootable medium found. System halted.
Resolution of the error observed while running VirtualBox the first time, "No Bootable medium found. System halted".
systemd – System and service manager in Linux
systemd is the system and service manager for Linux based systems. systemd concepts, configuration directives and commands are explained.
vmstat
vmstat prints information about system processes, memory, swap, I/O blocks, interrupts and context switches and the CPU activity.
Finding the free and used memory with the free command
The free command can be used to find the free and used memory in a Linux system. The free command is explained with an example.
ps command usage with examples in Linux
The ps command gives information about processes on a Linux or Unix system. ps command is explained with examples.
Linux process execution time
System calls and functions associated with execution times under Linux and Unix operating systems are explained.
Starting a network server after communication interface is up
How to start a program automatically in Linux after system start up and after network system has become available.
Remote Display With the X – Window System
How to display the graphical output of a program to a remote user with the X-Window System server running on the remote host.