Some very useful VIM tips when using this editor on Linux. When you open a folder instead of a file in VIM, you get a directory listing and this allows you to select a file. Just scroll down to the file you want to open and press ENTER. " ============================================================================ " Netrw Directory Listing (netrw … Read more
How to print the amount of RAM in your machine as a whole number.
How to check the installed Ubuntu version with the command line. Use this command to check the installed version of the Ubuntu distribution. 4.4 Sat Mar 07 jason@Yog-Sothoth 0: $ cat /etc/lsb-release DISTRIB_ID=Ubuntu DISTRIB_RELEASE=18.04 DISTRIB_CODENAME=bionic DISTRIB_DESCRIPTION="Ubuntu 18.04.4 LTS"4.4 Sat Mar 07 jason@Yog-Sothoth 0: $ cat /etc/lsb-release DISTRIB_ID=Ubuntu DISTRIB_RELEASE=18.04 DISTRIB_CODENAME=bionic DISTRIB_DESCRIPTION="Ubuntu 18.04.4 LTS" This is another … Read more
This command will print the number of running processes on a Linux system. 4.4 Tue Oct 30 jason@Yog-Sothoth 0: $ ps aux | wc -l 2554.4 Tue Oct 30 jason@Yog-Sothoth 0: $ ps aux | wc -l 255 Here is a nice alternative that will work on Ubuntu. The landscape-common package will install this utility. … Read more
This simple command prints out a long random number string from /dev/urandom. jason@Yog-Sothoth » img » $ tr -dc "[:digit:]" < /dev/urandom | head -c 64 ; echo 9958048462925775253231939134565711861924198983498274782350446110 Do it this way to remove the newline after the output. This would be good for use in a script. jason@Yog-Sothoth » img » $ tr … Read more