Useful tips for everyday
How can I tell who has access to a file in Linux? How to View Check Permissions in Linux Locate the file you want to…
Why is there no WiFi driver in Ubuntu? Networking was on but it said ‘no network devices available‘. Indeed it is a common issue not…
Where to find IP address in Linux command line? Most Linux distributions come with a Network Manager tool. This tool has a command line interface…
How do I reclaim inactive memory in Linux? Every Linux System has three options to clear cache without interrupting any processes or services. Clear PageCache…
Where is motd in Ubuntu? /etc/motd Ubuntu’s MOTD is generated by scripts when you log in, so you can’t just add it to the /etc/motd…
How install commvault package in Linux? Log on to the computer as root. In a cluster environment, log on to a physical node of the…
Are RPMs compressed? Binary RPMs are currently compressed with xz level 2. Switching to zstd would increase decompression speed significantly. Which portion of an RPM…
Which function is used to read the data from a text file in R studio? Functions for Reading Data into R: read. readLines() is used…
Is LTE and WiFi same IP? No, on WiFi you would have a local private address, behind a public address assigned to your router. On…
What does %d mean in Bash? -d $directory ] means if $directory does not exist, or $directory isn’t a directory (maybe a file instead). Usually…