Useful tips for everyday
Are RHEL patches cumulative? The kpatch patches are cumulative, so in general, we want to use the latest one for the kernel version that is…
What version of Linux is WSL? Windows Subsystem for Linux Bash running on Windows 10 Other names WSL Developer(s) Microsoft Initial release August 2, 2016…
How do I read a file in vi? To import files in vi: vi hairyspider. At the shell prompt, type vi followed by the filename…
What is ETC dnsmasq? Dnsmasq is a lightweight, easy to configure, DNS forwarder and DHCP server. It is designed to provide DNS and optionally, DHCP,…
Can the index of an array be a string? Javascript arrays cannot have “string indexes”. A Javascript Array is exclusively numerically indexed. When you set…
What is dev mapper VolGroup? /dev/mapper/VolGroup-lv_root is a logical volume. Through the df – h command, you can find that it is associated with the…
How do you create an audio device? Click “Hardware and Sound.” In the menu that you just opened, there will be an option titled “Hardware…
Where can I find the proc file system? Within the /proc/directory, one can find a wealth of information detailing the system hardware and any processes…
How do I make the console full screen? Go to System Settings->Keyboard->Shortcuts tab. Select “Custom Shortcuts” from the sidebar and add a new shortcut. For…
How do I know if FFmpeg is running? 3 Answers. The exit code of the ps aux command is put into $?. If it is…