The old Gconf framework allowed a user to set various options for the Gnome 2 desktop with a command-line utility or the GUI. But nowadays, we have another one. The gsettings framework for modern desktops allows a user to set various options with the terminal. This is a nice way…
Read MoreTo install Docker on Ubuntu, we need to be able to add a custom repository. This is the command required. 4.4 Mon Dec 23 jason@Yog-Sothoth 0: $ sudo add-apt-repository \ "deb [arch=amd64] https://download.docker.com/linux/ubuntu \ $(lsb_release -cs) stable"4.4 Mon Dec 23 jason@Yog-Sothoth 0: $ sudo add-apt-repository \ "deb [arch=amd64] https://download.docker.com/linux/ubuntu \…
Read MoreThis command will list 20 of the most recently modified files in a directory. jason@Yog-Sothoth:~/Documents$ ls -thor | head -n 20 total 3.9G -rwxrwxrwx 1 jason 219K Mar 20 2008 northwind.sql -rw——- 1 jason 2.2M Jan 21 2009 ubuntupocketguide-v1-1.pdf -rwxrwxrwx 1 jason 1.9K Apr 28 2011 randimg.c -rw-r–rw- 1 jason…
Read MoreScanning a Linux system for vulnerabilities can be a lot of fun. I have used Nessus to find SSH vulnerabilities like Heartbleed. I was doing penetration testing on a Linux machine and I found a Heartbleed bug. Vulnerability Explanation: The installation of OpenSSL on the Linux webserver was found to…
Read MoreTo get a nice Christmas themed Linux desktop, install xsnow. jason@jason-virtual-machine:~$ sudo apt install xsnowjason@jason-virtual-machine:~$ sudo apt install xsnow Then run it in a terminal to make your desktop snow. jason@jason-virtual-machine:~$ xsnow & exitjason@jason-virtual-machine:~$ xsnow & exit This is what it will look like. It even has a nice snow…
Read MoreThe new release of Ubuntu, 20.04 is out now. This is all new and comes with a very nice wallpaper. The awesome selection of ubuntu wallpapers in Ubuntu 20.04. These are very nice. After installation, make sure to run this command to update package repositories. sudo apt upgradesudo apt upgrade…
Read MoreIt is possible to download just the audio from a Youtube video. This is very easy. Use youtube-dl to view information about the Youtube video and find the m4a audio track. 4.4 Sat Dec 07 jason@Yog-Sothoth 0: $ youtube-dl -F https://www.youtube.com/watch?v=JWPe9uh7FWU [youtube] JWPe9uh7FWU: Downloading webpage [youtube] JWPe9uh7FWU: Downloading video info…
Read MoreInstalling and setting up SSH on Kali Linux 2019 is very easy. This enables an SSH connection from Bitvise SSH Client into a VMWare instance of Kali Linux. Firstly, install the SSH service. root@kali:~# apt install sshroot@kali:~# apt install ssh Then, once it is installed, start the SSH service on…
Read MoreThe latest Kali Linux distribution release offers a script that will skin the Linux Gnome desktop to look just like Windows 10 by running a simple command. This means that you can pretend to be running Windows, but actually be using Kali Linux. Run the script again to change back…
Read MoreThe Social Network movie featured a KDE 2.2 desktop and a nice Linux Konsole command line terminal. He is listing connections by viewing a log file with the watch utility. This also shows the Emacs text editor to edit the PHP code for his little project. This is a very…
Read MoreIceWM configuration fileUseful Linux CommandsVery Verbose ps commandBlackbox ThemeGNU/Linux CD Burning: (Updated! for Debian Linux 6.0.)CD Burning with BraseroWriting Ghost Images to CD IceWM configuration file My ICEWM preferences file. from $HOME/.icewm/preferences. This file has a nice friendly time format and a good Win95 styled theme. This IceWM configuration file…
Read MoreLinux can be used to create a nice filesystem inside a file. This can be used to store data on it. This could be used as a bootable filesystem, or whatever you wish. Firstly, run this command to create a 512-megabyte file system. 4.4 Tue Nov 26 jason@Yog-Sothoth 0: $…
Read MoreThis script will check for updates on an Arch Linux machine. This could be run as a daemon with CRON. #!/bin/bash export DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/1000/bus DISPLAY=:0 tmpdb=/tmp/checkup-db dbpath=/var/lib/pacman mkdir /tmp/checkup-db && ln -s "${dbpath}/local" "${tmpdb}" fakeroot — yay -Syyb "${tmpdb}" –logfile /dev/null updates="$(yay -Qub "${tmpdb}" 2>/dev/null)" [[ -n "$updates" ]] && notify-send…
Read MoreTo convert a MIDI file to OGG on Linux, use the LMMS music-making application. Import a MIDI file by opening the Import menu. This is the Project->Import menu option. Then export the MIDI file to an OGG format file with default settings. This will create a very high-quality rendering of…
Read MoreThe best way to tag your music collection on Linux is with MusicBrainz Picard. This is an automatic music tagging program that will lookup music on the MusicBrainz website using acoustic matching and then automatically tag the tracks and save the processed files into a folder you specify. This works…
Read MoreI am needing to install Emacs on my computer and I have decided to install from source. This is easy on Linux, I had to ensure I had the latest build of Emacs. Then I could compile the source code. Download the source here: http://ftp.gnu.org/gnu/emacs/emacs-26.3.tar.xz. Firstly, extract the source to…
Read MoreThis is an interesting bash scripting trick. This allows deleting the first 10 lines from a text file, but keeping the rest of the file instead of deleting it. X=10 file="file.txt" # read the file, line by line while read -r line; do # add current line to array #…
Read MoreThere is an alternative to SSH for accessing a remote Linux machine, this is RSH. This works on machines that have SSH enabled, but the connection is not encrypted as it is with SSH. Connect to a remote server like this. The -p parameter defines the port used to connect…
Read MoreUsing a nice big flat screen is a lot of fun with a modern PC, but how do you change the brightness of the screen with the command line? This is easy. Firstly, find the ID of your display using this command. 4.4 Wed Oct 16 jason@Yog-Sothoth 0: $ xrandr…
Read MoreIt is very easy to copy text to a online pastebin from the clipboard with Linux. This post will show you how to do this. The https://0x0.st/ website is a very useful online pastebin. I am going to show how to send text to a pastebin like this. Make sure…
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