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Some very useful Linux tips for the desktop and terminal user.

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  1. Very useful Linux tips and tricks for the terminal user
  2. Very good find command trick
  3. Install a very nice slim desktop on Linux Mint and Ubuntu
  4. Set a locale on a Debian system
  5. Change the Plymouth theme on ubuntu
  6. List only directories in a directory listing with ls

Very useful Linux tips and tricks for the terminal user

Very good find command trick

Find all files on your system changed since a certain date.

ubuntu ~ $ sudo find . -type f -newermt 2017-04-25
./.local/share/mc/history
./.local/share/mc/filepos
./.cache/mc/Tree
./uptime.py
./.config/mc/ini
./.viminfo
./.bash_history

Install a very nice slim desktop on Linux Mint and Ubuntu

jason@jason-virtual-machine ~ $ sudo apt install i3 lxdm lxappearance pcmanfm gnome-themes-standard breeze-icon-theme

Then logout of the desktop and press Control-Alt-F2 to get to a virtual terminal. Login and type sudo service mdm stop. Then start lxdm with this command: sudo service lxdm start.

Linux Mint i3 desktop.
Linux Mint i3 desktop.

Now the Linux Mint distribution has a nice, fast desktop interface.

Set a locale on a Debian system

The locale on a Debian system is set via the /etc/locale.gen file. I un-commented the locale I needed, then I ran the locale-gen command as root to generate a locale for the system.

Generating a new locale for a Debian system.
Generating a new locale for a Debian system.

This is very easy to do.

The shopt command in bash will show shell options. Just use the shopt built-in command to list all of the available shell options.

To set an option, do it like this.

ubuntu ~ $ shopt -s mailwarn

This turns the mail warning on.

Turn if off again like this.

ubuntu ~ $ shopt -u mailwarn

Change the Plymouth theme on ubuntu

Change the Ubuntu Plymouth theme with this simple guide.

http://securitronlinux.com/bejiitaswrath/how-to-change-the-default-plymouth-theme-manually-on-ubuntu-14-10/.

List only directories in a directory listing with ls

The ls command may be used to list only directories. This is very easy.

ubuntu ~ $ ls -la -d */
drwxrwxr-x 2 ubuntu ubuntu 4096 Jun 10  2016 boards.4chan.org/
drwxr-xr-x 2 ubuntu ubuntu 4096 Nov  3  2015 crunch-3.6/
drwxrwxr-x 5 ubuntu ubuntu 4096 Apr 27 23:47 Documents/
drwxr-xr-x 3 ubuntu ubuntu 4096 Mar  5  2016 easy-rsa/
drwxrwxr-x 5 ubuntu ubuntu 4096 Jul 16  2015 hackme/
drwxrwxr-x 5 ubuntu ubuntu 4096 May 16  2016 ipinfo/
drwxrwxr-x 5 ubuntu ubuntu 4096 Oct 31  2016 jail/
drwxrwxr-x 2 ubuntu ubuntu 4096 May 29  2015 keys/
drwxrwxr-x 3 ubuntu ubuntu 4096 May 14  2015 nt/
drwxrwxr-x 2 ubuntu ubuntu 4096 Feb 20  2015 openvpn/
drwxrwxr-x 3 ubuntu ubuntu 4096 Apr 24 02:19 tmp/
drwxrwxr-x 7 ubuntu ubuntu 4096 Mar 13  2015 wpscanteam-wpscan-aed74e0/

The ls -la -d */ command is very useful for this.


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