Useful tips for everyday
How to persist IP rule and route in Linux? The EL 7.x /etc/sysconfig/network file. The default route is GATEWAY. THE EL 7.x /etc/sysconfig/network-scripts/ifcfg-eth0 file, without…
How to print specific lines from a file in Linux? The powerful sed command provides several ways of printing specific lines. For example, to display…
What is getopts in linux? getopts is a built-in Unix shell command for parsing command-line arguments. It is designed to process command line arguments that…
What is the default name of an ssh identity file? The default directory for SSH keys is ~/. ssh with the private key named id_rsa…
How do I fix copy and paste not working in command prompt? Fix 3: Clear your clipboard Type cmd in the Windows search box, then…
What benefit do you get with copy-on-write? The new allocation ensures that a change in the memory of one process is not visible in another’s.…
How do I add HTTP request header? Fill out the Create a header fields as follows: In the Name field, enter the name of your…
Is there a command line shell for XML? A command line shell for XML Based on the philosophy and design of the Unix Shells xmlsh…
Can I use Wget to check? When invoked with this option, wget will behave as a web spider, which means that it will not download…
How do I create a virtual machine partition? Click Start > Run, type diskmgmt. Right-click Disk 1 and click Initialize Disk or use the initialization…