John Cartwright 
Here is one for any experimenters out there… It is possible to create files which simply cannot be deleted from the standard shell. To do this you will have to physically create the file using a script or a text editor, and you will have to use a sequence of control characters which cannot be … Read more
The sslscan command for the Kali Linux penetration testing distribution is very useful for gaining an insight into the SSL configuration of a web site. Here is example usage on healthcare.gov… root@darknet:~# sslscan healthcare.gov Version: 1.10.5-static OpenSSL 1.0.2e-dev xx XXX xxxx Testing SSL server healthcare.gov on port 443 TLS renegotiation: Secure session renegotiation … Read more
The ip command is a useful alternative to the ifconfig command and allows the user to manage network interfaces. This is a good way to use the command line to bring network interfaces up or down. In this example I am bringing the network interface down. [root@localhost jason]# ip link set eno16777736 down [root@localhost jason]# … Read more
This music video features a Macintosh iMac PC with the Gnome Shell Linux interface. This is used as the main screen where the girl is typing on a notepad and then ripping the pages off the screen. This is an interesting place to see the Gnome Shell Linux desktop environment. You would have thought that … Read more
I had problems getting Steam to run on Ubuntu 15.04, I would get this error. jason@darkstar:~$ steam Running Steam on ubuntu 15.04 64-bit STEAM_RUNTIME is enabled automatically [2016-01-05 11:03:24] Startup – updater built Dec 14 2015 11:15:53 SteamUpdateUI: An X Error occurred X Error of failed request: BadValue (integer parameter out of range for operation)jason@darkstar:~$ … Read more
The systemd-analyze command will print the time taken for the system to boot up. This separates the time for the kernel and the userspace environment. root@darkstar:~# systemd-analyze Startup finished in 4.728s (kernel) + 28.339s (userspace) = 33.068sroot@darkstar:~# systemd-analyze Startup finished in 4.728s (kernel) + 28.339s (userspace) = 33.068s This command will get the date and … Read more
The root account on a Linux machine is very powerful and allows access to the basic system functions. But on an Ubuntu system this account is locked. To unlock this account, type this command. jason@ubuntu:~$ sudo su – [sudo] password for jason: root@ubuntu:~#jason@ubuntu:~$ sudo su – [sudo] password for jason: root@ubuntu:~# Then enter this command … Read more
The KDE 2.2.2 Linux desktop. A classic look and feel. The old Debian 3.0 distribution with the KDE 2.0 desktop environment. Ubuntu 5.10 Gnome desktop. The good old days of Gnome. An old Linux FVWM desktop with the CDE theme. FreeBSD UNIX with a Fluxbox desktop window manager.
The virtual console on a Linux box is a good way to access the command line on a UNIX or Linux system. There are a few virtual consoles available on a machine. Press Ctrl-Alt-F2 to access the virtual console. Hold the Alt key and use the arrow keys to switch between virtual consoles. There is … Read more
Hacking is something that a lot of us think in a negative way, but the truth of the matter is, there are a lot of positives that can come out of it as well. In this article, we’re going to take a look at 10 cool tricks that you can use if you’re thinking about … Read more
The console font in Ubuntu 15.04 can be quite garbled when a console application is loaded that requires ncurses characters to draw an interface. There as easy fix for this. Run this command in a virtual terminal or a terminal emulator window. sudo dpkg-reconfigure console-setupsudo dpkg-reconfigure console-setup Now choose UTF-8 from this list. On this … Read more
This image is a photograph of an ATM machine that has Windows 7 installed, this machine requires Windows 7 activation… This is an Ethernet connection that is over 231 meters long. Far too long for a standard Ethernet connection. The maximum range of a cable is 100 meters according to Cisco CCNA for 100Base-TX cable. … Read more
Firstly, install youtube-dl. jason@darkstar:~/Music$ sudo apt-get install youtube-dljason@darkstar:~/Music$ sudo apt-get install youtube-dl Then run this command with the Youtube video URL. jason@darkstar:~/Music$ youtube-dl -f bestaudio -x –audio-format mp3 –prefer-ffmpeg https://www.youtube.com/watch?v=UWFm2LIYNjg [youtube] UWFm2LIYNjg: Downloading webpage [youtube] UWFm2LIYNjg: Extracting video information [youtube] UWFm2LIYNjg: Downloading DASH manifest [download] Destination: Dune (1983) OST – Dune Prophecy (Long Version)-UWFm2LIYNjg.m4a [download] … Read more
Hewlett Packard have released a new Star Wars themed laptop, just in time for Christmas. This laptop, starting at $699.99 is a bargain and would be the perfect present for any Star Wars fan. See all of the options and customize before purchasing on this page: http://store.hp.com/us/en/mdp/Laptops/star-wars-special-edition#vao. Buy one today for the Star Wars fan … Read more
This useful command will display a count of all installed packages on your Debian Linux machine. jason@ubuntu:~$ dpkg-query -l | wc -l 2027jason@ubuntu:~$ dpkg-query -l | wc -l 2027 Grepping the output to find certain packages. jason@ubuntu:~$ dpkg-query -l | grep vim ii vim-common 2:7.4.052-1ubuntu3 amd64 Vi IMproved – Common files ii vim-tiny 2:7.4.052-1ubuntu3 amd64 … Read more
List all network interfaces on your Linux machine that are up. [jason@localhost ~]$ ip addr | grep UP 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN 2: eno16777736: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP qlen 1000 3: virbr0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN[jason@localhost ~]$ ip addr | grep UP 1: lo: … Read more
Some very old computer advertisements and images. This is an advertisement against piracy. 50,000 dollar 5 megabyte hard disk drive being loaded onto a truck. Windows 3.1 disk space indicator. This was the very old days of computing. You can certainly tell that disk space was far more restricted than on modern computers. IBM 5100 … Read more
While running Linux, if you want to list the contents of a folder in a vertical list format, just use the ls command with these switches. jason@ubuntu:~$ ls -luh –color=yes total 48K drwxr-xr-x 2 jason jason 4.0K Dec 15 03:03 Desktop drwxr-xr-x 2 jason jason 4.0K Nov 29 17:00 Documents drwxr-xr-x 2 jason jason 4.0K … Read more
If you are using a remote server with SSH and you wish to get a large file off the Internet to the remote server easily, you may use the wget command to download it directly to the server instead of having to download it at home and then upload it again. That is silly. Use … Read more
There are three ways to try Linux, you can: 1) Install a Linux OS on a VM (Virtual Machine/VirtualBox/VMWare) for “safety purposes” 2) Use the Live ISO directly without installing anything, that way, you can get a “full Linux experience”. 3) Go all the way and overwrite everything with Linux (not recommended) If you are … Read more