Even more useful Linux command-line tips and information How large in total are the contents of a folder? This command will print that for you. This is the total disk usage of all files in the current folder. ubuntu ~ $ sudo du -ackh /usr | tail -n 1 2.7G totalubuntu ~ $ sudo du … Read more
UNIX CDE desktop available for the Debian Linux distribution. The old UNIX CDE desktop is a very interesting and useful desktop environment. The modern desktop environments such as Gnome 3, Unity and the KDE 4 desktops are focused more on eye candy instead of actual fast and usable window management that the older window managers … Read more
With the current disaster involving a virus that is spreading to Apple Macintosh computers and causing a disaster normally associated with the Microsoft Windows platform that is infamous for being virus prone. But all closed source operating systems are prone to a vulnerability or two if the code is not available for peer review. That … Read more
The Google self driving car is the future of road transportation. It seems that the days of speeding drivers threatening the lives of other road users and pedestrians could soon be over. The future of road transportation has been thought of for a very long time, with automated cars that would follow sensors in the … Read more
Creating a new user with the Linux command-line is very easy, the command-line adduser command is easier to use than the useradd command and automates a lot of the steps involved in creating a new user and their home directory. The sequence shown below is the simple task of creating a new user and shows … Read more
Computer tape drives were all the rage in the early days of computing, with computer tape drives able to store massive amounts of data these days. The early computers used tape to store computer programs and information on reel to reel tapes that were on giant reels that were threaded on and then read at … Read more
http://gnome-look.org/content/show.php/Flooded+river+by+night.?content=149792 I took this photograph of a flooded river one night after the flood waters had receded. This shot is very simple and smooth with the water smoothed out by the long exposure.
The strange cloud of dust or smoke that is high in the atmosphere of Mars is quite a mystery, it could be a volcanic eruption or an ejection of matter due to an asteroid impact. This is up to 300 KM in height, you can see it reach maximum altitude and then spread out in … Read more
I have removed the evil nofollow tag from my website allowing my visitors who type comments to actually gain from Search Engine crawling. I wish I had done this sooner, the nofollow tag is evil, you spend all that time commenting on blogs and you do not gain that much page ranking. It is time … Read more
The Linux kernel 3.3 has been released and among other features that have been included, there is some code from Google Android included. This is an interesting development, this does not mean that you can run Angry Birds on a Debian or Linux Mint system, but this could lead to something cool in the future. … Read more
Using the .inputrc file to control keybindings in xterm. If you wish to control the key bindings for Backspace, Delete, Home & the End keys in Xterm then read on. The ~/.inputrc file in your home directory controls this behavior, using the defines in this file you may control the key bindings and make using … Read more
This code is on my https://securitronlinux.com/linux/ page. It shows a random image and a random webpage link. <?php $time = strftime(“%A %d %B %Y. %r – %Z”); srand(time(NULL)); $day = rand() % 6; $string = sprintf(“<font size=\”2pt\”><p>Welcome to my website.</p>\n”); $links = array(“BejArray” => array(“0” => “perl_code.php”, “1” => “psx_doom.php”, “2” => “cgi_code.php”, “3” => … Read more
The enlightenment E17 desktop on Linux Mint 12 works a million times better than the Ubuntu packages did with 12.04. They were very unstable, but the Linux Mint 12 distribution is as stable as Linux should be. Even if it is a beta release as the Ubuntu distribution was, there is no excuse for the … Read more
This strange sphere the approximate size of the planet Jupiter, about 142,984 Kilometers in diameter is sucking material from the chromosphere of the Sun whilst managing to maintain its position against the massive gravity of the Sun. Which is 1,470,000 Kilometers in diameter. I am sure the video I took this still shot from is … Read more
This is what the new copy dialog looks like on Windows 8. The actual process of copying this amount of data over a USB 3.0 connection was actually very fast, the previous versions of Windows were slower at copying data, but now it is getting faster. And I was copying from a 8 GiB USB … Read more
The Linux file-system tree explained. The standard Linux installation is laid out in various folders that each have a different role to play in the smooth running of a Linux distribution. |-/ |-/bin |-/boot |-/dev |-/etc |-/home/username |-/lib |-/lost+found |-/mnt |-/proc |-/root |-/sbin |-/tmp |-/usr |-/usr/local |-/var|-/ |-/bin |-/boot |-/dev |-/etc |-/home/username |-/lib |-/lost+found |-/mnt … Read more
Changing permissions of a file. To add executable permissions for all categories of a file, you would use chmod a+x foo. To add executable permissions for only the current user, you would use: chmod go-wx foochmod go-wx foo Or you could use chmod +x: chmod +x foochmod +x foo That is a simpler way of … Read more
This is my /etc/default/grub file, and this is how I got my GRUB 2 boot menu to display by default with Linux Mint 12. You just need to add the GRUB_HIDDEN=0 line to the menu and ensure the rest of the file looks like my example and the menu will be accessible by default without … Read more
I have managed to get my Compro DTV T-300 DVB tuner card to work on Linux Mint 12. This card has a S-Video input as well as a Composite video input and a combination analogue tuner and Digital TV tuner card. I am using the Me TV software available for Linux Mint and the software … Read more
Quoted from the website. These body scanners are an invasion of privacy and nothing more, they just want to expose people to dangerous radiation and provide an illusion of security. This video is here to demonstrate that the TSA’s insistence that the nude body scanner program is effective and necessary is nothing but a fraud, … Read more