The MS DOS operating system has quite a lot of command-line arguments that may be used to ease the task of file management. Sure, it is no match for the Linux shell, but the DOS operating system in its time. But then along came the easy to use Linux distributions such as Mandrake Linux and … Read more
There is a way to create a graphical display of the package relations amongst your installed packages on a Debian system. The Graphviz package allows this. Firstly, install the debtree package. apt install debtreeapt install debtree apt install graphvizapt install graphviz Then run this command to see all of the package dependencies and relations for … Read more
Will the success of the election campaign that brought a Trump victory help stop the encroaching talons of Internet censorship? There is of course the CISPA and SOPA bills that seem to have been forgotten. But they are still a threat. cyber attacks are very common and the government could use this as an excuse … Read more
To get useful Ubuntu server command line tips in your terminal, firstly install the fortune package and some more fortunes. ┌─[jason@darkstar]─[~] └──╼ $sudo apt install fortune fortunes-bofh-excuses fortunes-ubuntu-server┌─[jason@darkstar]─[~] └──╼ $sudo apt install fortune fortunes-bofh-excuses fortunes-ubuntu-server Now run the command to print a random Ubuntu server tip. ┌─[jason@darkstar]─[~] └──╼ $fortune ubuntu-server-tips If you want to download … Read more
The printerbanner command will create a dot matrix printer banner. Just run the command and then type a string and hit ENTER. jason@debian:~$ printerbanner Message: Debianjason@debian:~$ printerbanner Message: Debian Print out the contents of a text file in octal format. jason@debian:~$ od .dmrc 0000000 042133 071545 072153 070157 005135 060514 063556 060565 0000020 062547 062475 … Read more
The early Gnome desktop is quite interesting, it had a Windows styled menu with a easy to use taskbar. https://www.ocf.berkeley.edu/~bobk/gnome/1.2/gnome-1.2-menu02.png. Source: https://www.ocf.berkeley.edu/~bobk/gnome/. This is the old Gnome 1.0 configuration application. Very dated indeed, this is when they had Enlightenment as the Window Manager of Gnome. Although you could use Sawfish as well. http://www.linuxjournal.com/files/linuxjournal.com/linuxjournal/articles/031/3139/3139f1.jpg. The Gnome … Read more
With the Windows 10 desktop operating system not really delivering what I wanted on my laptop, I prefer to use Debian instead. And on my desktop I prefer to use Ubuntu 16.10 for various Linux tasks. This suits me better than Windows 10 ever could. I managed to get Steam and Arma 3 running on … Read more
Fetch information about a random Linux command. curl -sL commandlinefu.com/commands/random/plaintext | sed ‘3,4!d’curl -sL commandlinefu.com/commands/random/plaintext | sed ‘3,4!d’ Here is an example. ┌─[jason@neo]─[~] └──╼ $curl -sL commandlinefu.com/commands/random/plaintext | sed ‘3,4!d’ # An easter egg built into python to give you the Zen of Python echo "import this" | python┌─[jason@neo]─[~] └──╼ $curl -sL commandlinefu.com/commands/random/plaintext | sed … Read more
Gaining information about a Linux system is very easy, there are quite a few Linux commands that can print detailed specs of your hardware configuration. The lsblk command prints information about your block devices. This can be used to list all disk partitions and CD/DVD drives. ┌─[jason@neo]─[~] └──╼ $lsblk NAME MAJ:MIN RM SIZE RO TYPE … Read more
The ps command in Linux has many useful command-line parameters that may be used to give more information. The –forest parameter will give a tree view of the ps output that will show the children of each parent process. That is like the pstree command and will enable you to better visualize the relationships of … Read more
To build the latest 4.8.4 Linux kernel on Ubuntu 16.10, you will only need the ncurses-dev and build-essential packages installed. Then we are ready to install a new Linux kernel. Download the latest Linux kernel tarball. jason$ wget https://cdn.kernel.org/pub/linux/kernel/v4.x/linux-4.8.4.tar.xzjason$ wget https://cdn.kernel.org/pub/linux/kernel/v4.x/linux-4.8.4.tar.xz And then unpack the Linux tarball that we have downloaded. jason$ tar -xvf linux-4.8.4.tar.xzjason$ … Read more
A useful awk implementation to count the number of entries in the /etc/passwd file. john@deusexmachina:~$ sudo awk -F: ‘{ print $1 }’ /etc/passwd | wc -l 34john@deusexmachina:~$ sudo awk -F: ‘{ print $1 }’ /etc/passwd | wc -l 34 And the quintessential “Hello World” in Awk. john@deusexmachina:~$ awk ‘BEGIN { printf "%s, %s\n", "Hello", "World!" … Read more
The NASA Voyager probe that is now traveling out of the Solar System has its own Twitter page! See it here: NASA Voyager. This probe has withstood amazing levels of radiation and is still transmitting precious information back to NASA. On the sixth of September the 35th anniversary of the launching of the Voyager probe … Read more
To extract an Arma 3 pbo file on Linux use the pbo tools that have been made available for Linux. Download the tarball here. This contains binaries that will work on 64bit Linux distributions. http://securitronlinux.com/arma3/depbo-tools-0.6.24-linux-64bit.tgz. Updated link. Extract the contents of the bin directory to /usr/local/bin and the contents of the lib directory to /usr/local/lib. … Read more
The iostatcommand is another good way to get information about the hardware in your computer. This command displays information about the average CPU usage as well as reads and writes to your hard disk partitions. To install this utility, run this command. ubuntu ~ $ sudo apt-get install sysstatubuntu ~ $ sudo apt-get install sysstat … Read more
Firstly, install the prerequisites for the Google Earth installation. jason$ sudo apt-get install lsb-corejason$ sudo apt-get install lsb-core Then we need to download the Debian apt package of Google Earth. jason$ wget -O google-earth64.deb http://dl.google.com/dl/earth/client/current/google-earth-stable_current_amd64.deb –2016-10-19 16:05:07– http://dl.google.com/dl/earth/client/current/google-earth-stable_current_amd64.deb Resolving dl.google.com (dl.google.com)… 172.217.25.46, 2404:6800:4006:802::200e Connecting to dl.google.com (dl.google.com)|172.217.25.46|:80… connected. HTTP request sent, awaiting response… 200 OK … Read more
The apt package manager allows management of all installed packages and the installation of new software on a Linux system. It also allows the retrieval of information about installed packages. To list all installed packages, run this command. This does not require sudo or su. jason$ apt list –installedjason$ apt list –installed This will be … Read more
To list all the files installed by a certain Debian package, use this command. dpkg -L [PACKAGENAME]. For example. ubuntu ~ $ dpkg -L vim /. /usr /usr/bin /usr/bin/vim.basic /usr/share /usr/share/lintian /usr/share/lintian/overrides /usr/share/lintian/overrides/vim /usr/share/bug /usr/share/bug/vim /usr/share/bug/vim/presubj /usr/share/bug/vim/script /usr/share/doc /usr/share/doc/vimubuntu ~ $ dpkg -L vim /. /usr /usr/bin /usr/bin/vim.basic /usr/share /usr/share/lintian /usr/share/lintian/overrides /usr/share/lintian/overrides/vim /usr/share/bug /usr/share/bug/vim /usr/share/bug/vim/presubj … Read more
Following on from this posting: http://www.securitronlinux.com/uncategorized/amazing-facts-about-the-universe-we-live-in/, here is another post about the amazing universe we inhabit. One amazing sight in the universe is the Neutron Star. This is a stellar body that is about 20 kilometers in diameter and has 1000 billion times the gravity of the Earth. This would have the ability to bend … Read more
Some very useful tips for the Linux Mint MATE desktopInstall KDE on Linux Mint and other useful tipsInstall more themes on Linux MintCool misc software for Linux MintInstall some cool wallpapersInstall new GTK3 themes on your Linux Mint installationUseful keyboard shortcuts for the Linux MATE desktopChange the keyboard shortcuts using the configuration utilityUse the MATE … Read more