Very nice Linux Mint MATE themes. There are some nice MATE themes in this archive for Ubuntu, that will work with any Linux distribution using the MATE desktop. https://launchpad.net/ubuntu/+archive/primary/+files/ubuntu-mate-artwork_16.04.7.tar.xz. This is a very nice theme for your desktop indeed. Just extract the themes in the archive to your ~/.themes directory. Macbuntu theme for Linux Mint …

Listing of current 4chan /g/ threads I have developed a simple PHP script. This one will list all current threads on the 4chan /g/ technology board. I guess this could be interesting to someone who wants to know what current threads are up, but does not have the time to go and browse the whole …

Useful Linux e-books and further reading for Linux users Guide to the Linux command line: http://www.securitronlinux.com/lc/Linux-Command-Line-Guide%20.png. Useful guide to the Linux command line for Linux newcomers. Guide to Linux permissions. How to set the permissions for Linux files with the command line: http://www.securitronlinux.com/lc/112_sysadmin_permissions.pdf. Debian Linux handbook. Useful information and tips for Linux newcomers: http://www.securitronlinux.com/lc/debian-handbook.pdf. Ubuntu …

Interesting Linux oddities Linux has had quite a few odd programs and oddities released for it. One was a process management system that used a modified copy of Xdoom, a Doom source port, to manage processes. The utility used the Doom2 game files and there were Imps in the main outside courtyard. Shooting them and …

The title bars in the Gnome Shell desktop environment by default are much too thick. This simple code sample will make them thinner. Just create this file. ~/.config/gtk-3.0/gtk.css. Then put this code into it. headerbar { min-height: 0px; padding-top: 2px; padding-bottom: 2px; padding-right: 2px; padding-left: 2px; }   headerbar entry, headerbar spinbutton, headerbar button, headerbar …

Very useful Linux commands Another way to get the uptime of the system. awk ‘{printf("Uptime: %d:%02d days, %02d minutes, %02d seconds.\n",($1/60/60/24),($1/60/60%24),($1/60%60),($1%60))}’ /proc/uptimeawk ‘{printf("Uptime: %d:%02d days, %02d minutes, %02d seconds.\n",($1/60/60/24),($1/60/60%24),($1/60%60),($1%60))}’ /proc/uptime Find the actual device name of the drive that contains your root partition. ip-172-31-20-16:~> findmnt -n -o SOURCE / /dev/xvda1ip-172-31-20-16:~> findmnt -n -o SOURCE / …

This is the execution flow for the Wannacry malware. This ransomware can encrypt all of your files and then demand payment in bitcoins to decrypt the files. The virus was recently remade into a 2.0 with no killswitch. But the older version is this one that had a killswitch that contacted a website that did …

Funny and cool Linux tips 1337 or Leet in the UNIX time. -01:44:57– [email protected] [~]$ date +%s 1337096699-01:44:57– [email protected] [~]$ date +%s 1337096699 The missing days in 1752. I have mentioned this before, but it is worth mentioning again. -01:45:31– [email protected] [~]$ cal 9 1752 September 1752 Su Mo Tu We Th Fr Sa 1 …

Add a user to the sudoers file on Linux easily If you need to add your user on a Linux system to the /etc/sudoers file, this is how to do it properly. I am adding a new UNIX user to my system. This user will have sudo access. [email protected]:~$ sudo adduser adler Adding user `adler’ …

Security tips for staying safe online—Start of medium level security——Measures that cost money——Start of physical access measures——Start of high level security——Start of deterrent measures—Further reading Security tips for staying safe online Level 1: Avoid using your real name online and avoid giving away any personal information. You can use The Random Identity Generator (rig) to …