Useful tips for everyday
How long can you screen capture? As far as I know, there is no time limit to how much you can record your screen. The…
When would you use cat when would you use more? The cat command is all well and good for small files. But, if the file…
Does Ubuntu 18.04 still work? The ‘main’ archive of Ubuntu 18.04 LTS will be supported for 5 years until April 2023. Ubuntu 18.04 LTS will…
How to remove non-alpha numeric, or non-numeric characters? I’ve been trying to figure out how to remove multiple non-alphanumeric or non-numeric characters, or return only…
How will you check the performance of processes in Unix system? Top – Linux Process Monitoring. VmStat – Virtual Memory Statistics. Lsof – List Open…
Can a RAID 0 be converted to a RAID 1? If the drive was setup in a RAID 0 and then reconfigured to a RAID…
How do I read cron entries? 2.To view the Crontab entries View Current Logged-In User’s Crontab entries : To view your crontab entries type crontab…
How do I unban someone from fail2ban? How to unban an IP in Fail2ban? 1) Check if IP address is blocked. Fail2ban uses iptables to…
What laptops come with Linux installed? Let’s see where you can get desktops and laptops with Linux preinstalled from. Dell. Dell XPS Ubuntu | Image…
What does xterm 256color mean? xterm-256color describes Xterm with support for 256 colors enabled. xterm-color describes an older branch of Xterm that supports eight colors.…