Find out useful system information with the command line Find out what day Easter is? Use this useful command. ubuntu ~ $ ncal -e March 27 2016ubuntu ~ $ ncal -e March 27 2016 Display the date of Easter for Greek and Russian Orthodox Churches. ubuntu ~ $ ncal -o May 1 2016ubuntu ~ $ … Read more
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),($1%60))}’ /proc/uptime Find the actual device name of the drive that contains your root partition. ip-172-31-20-16:~> findmnt -n -o SOURCE / /dev/xvda1ip-172-31-20-16:~> findmnt -n -o SOURCE / … Read more
The GRUB configuration on Fedora is editable with the VIM text editor, but what if the user wishes to edit it with a graphical program? Well you can. The grub-customizer utility allows a superuser to edit the GRUB file with a GUI window. Install it like this. [root@localhost Documents]# dnf install grub-customizer-5.0.6-1.fc25.x86_64[root@localhost Documents]# dnf install … Read more
Very useful Linux tips and tricks for the terminal userVery good find command trickInstall a very nice slim desktop on Linux Mint and UbuntuSet a locale on a Debian systemChange the Plymouth theme on ubuntuList only directories in a directory listing with ls Very useful Linux tips and tricks for the terminal user Very good … Read more
This is the execution flow for the Wannacry malware. This ransomware can encrypt all of your files and then demand payment in bitcoins to decrypt the files. The virus was recently remade into a 2.0 with no killswitch. But the older version is this one that had a killswitch that contacted a website that did … Read more
Funny and cool Linux tips 1337 or Leet in the UNIX time. -01:44:57– gordon@deusexmachina [~]$ date +%s 1337096699-01:44:57– gordon@deusexmachina [~]$ date +%s 1337096699 The missing days in 1752. I have mentioned this before, but it is worth mentioning again. -01:45:31– gordon@deusexmachina [~]$ cal 9 1752 September 1752 Su Mo Tu We Th Fr Sa 1 … Read more
The new ransomware threat in the wild is quite amazing, but it relies on your machine having ports open to the web and the SMB service running in Windows. A lot of existing machines might have this service running and they might not be patched at all. Since this was known about for many months, … Read more
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. jason@darkstar:~$ sudo adduser adler Adding user `adler’ … Read more
Very useful Linux tips and tricks for the terminal userVery good find command trickInstall a very nice slim desktop on Linux Mint and UbuntuSet a locale on a Debian systemChange the Plymouth theme on ubuntuList only directories in a directory listing with lsSpeed up and tweak Firefox with these tipsSpeed up the Firefox browserDisable Firefox … Read more
Very useful Linux tips and tricks for the terminal userVery good find command trickInstall a very nice slim desktop on Linux Mint and UbuntuSet a locale on a Debian systemChange the Plymouth theme on ubuntuList only directories in a directory listing with lsSpeed up and tweak Firefox with these tipsSpeed up the Firefox browserDisable Firefox … Read more
The recent Rogue One Star Wars movie had a nice scene where the Death Star plans where stored on a hard drive and this was stolen and the data was uploaded by a satellite dish to the ships in space. The disk that stored the plans looks just like a conventional tape drive, this is … Read more
Very useful Linux tips and tricks for the terminal userVery good find command trickInstall a very nice slim desktop on Linux Mint and UbuntuSet a locale on a Debian systemChange the Plymouth theme on ubuntuList only directories in a directory listing with lsSpeed up and tweak Firefox with these tipsSpeed up the Firefox browserDisable Firefox … Read more
How to install Ubuntu from a mini.iso over the Internet Download the ISO image here: http://archive.ubuntu.com/ubuntu/dists/zesty/main/installer-amd64/current/images/netboot/mini.iso. Installing Ubuntu minimal from a mini.iso is very easy, the netinstall option downloads and installs all packages from the repositories on the Internet. Boot the installer and then select your installation language. Then set your location, this is important, … Read more
How to unlock the root account on an Ubuntu machine The root account on an Ubuntu machine is normally disabled. This is how to enable the root account to use this Linux account like a traditional Linux system. Firstly, enable the root account by setting a new password. ubuntu ~ $ sudo passwd root Enter … Read more
I have just installed Gentoo hardened Linux on my laptop. This distribution is far more hands-on than Ubuntu and Linux Mint, but it was enjoyable to install. I have not built and installed a desktop environment yet, I am just using the framebuffer console and this suits me fine. Once the system is installed, the … Read more
Complex .bashrc file for Linux or UNIX Very good and very complex .bashrc file for a Linux or UNIX system. I used this one ages ago and it is great to use. I have tried this on FreeBSD and Open Solaris and it works on either. #!/bin/bash # mode:shell-script # sh-shell:bash # Modified to work … Read more
Useful directory of website links on my website. The most popular and useful links Some very good GTK themes and wallpapers for your Linux desktop. How to use xrdp to remote into a Linux desktop from a Windows machine with RDP. How to crack a Windows 10 user password with Kali Linux and the john … Read more
Install the tcsh shell on Ubuntu Linux easily with this simple guide The tcsh shell for Linux is a free but enhanced version of the old Berkeley UNIX C shell (csh). This is a very good alternative to the standard bash shell that most Linux machines come with. Download the tarball of the most recent … Read more