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
A high level overview of Instructional design and technology.
Creating your own logo for your company which needs to make its debut on the internet is a challenge which can be met. When it responds positively to your mission, the rewards can be exponential in more ways than one. To get your creative juices flowing and to begin to answer your predictable question of … Read more
The logsave command will print the output of a command to a file. This will also add a timestamp to the logfile telling the system administrator when the command was run. logsave /var/log/partsize df –hlogsave /var/log/partsize df –h This is an example, the output of the command is also printed to STDOUT. jason@ubuntu:~$ logsave partsize … Read more
The weapon sway in Arma 3 is out of control right now. With the 1.54 Nexus update, the weapon sway is like a drunken Irishman. But you can remove this. player setCustomAimCoef 0.1; player addMPEventhandler ["MPRespawn", {player setCustomAimCoef 0.1}]; player setUnitRecoilCoefficient 0.1; player addEventHandler ["Respawn", {player setUnitRecoilCoefficient 0.1}]; player enablestamina false player addEventHandler … Read more
When in command mode, press the u key to undo the last change to a file. Press U to undo last change(s) on a line. To open a file at a certain line, start it like this: vim +567 file.txt. This will open the file file.txt on line 567. Using the VIM editor for Linux … Read more
The shuf command for Linux allows a command-line user to select a given number of random words from a wordlist. [jason@localhost ~]$ shuf -n 8 /usr/share/dict/words amphivasal thoracically U. bluet Dabih thioamid taxiing convictism[jason@localhost ~]$ shuf -n 8 /usr/share/dict/words amphivasal thoracically U. bluet Dabih thioamid taxiing convictism This can be used to generate a word … Read more
The latest Paris terrorist attacks are the impetus for more discussion about encryption. It is claimed that the terrorists used services such as TOR or a VPN to hide their traffic on the Internet when discussing their plans before the attacks. This will of course lead to more plans to tighten Internet monitoring and restricting … Read more
There is a new Linux ransomware in the wild that is targeting machines by encrypting the home directories and locking users out of their files until they visit a deep web site and pay a ransom. This is why you should have regular backups of your files in case your Linux directories are encrypted. the … Read more
To install NTP on Linux and update the system time automatically from the Internet, firstly install the NTP client. jason@darkstar:~$ sudo apt-get install ntpjason@darkstar:~$ sudo apt-get install ntp Then install the ntpdate utility. sudo apt-get install ntpdatesudo apt-get install ntpdate Then you may synchronize the time on your machine with the Internet time server. jason@darkstar:~$ … Read more
There are a few commands available in Red Hat Linux to get information about your network adapter. Here are a couple. The ifstat command returns information about the network throughput of your adapter. [jason@darknet ~]$ ifstat #kernel Interface RX Pkts/Rate TX Pkts/Rate RX Data/Rate TX Data/Rate RX Errs/Drop TX Errs/Drop RX Over/Rate TX Coll/Rate lo … Read more
To open the Firefox developer tools, press Ctrl-Shift-K. This is good if you have Firebug installed, as F12 will open it instead. To take a full-page screenshot of a web site, press Shift-F2 and then type this command and hit press ENTER. screenshot –fullpagescreenshot –fullpage This will be saved in the ~/Downloads folder by default. … Read more
To display post excerpts in WordPress, put this code in the index.php <?php if(is_single() || is_page()) { ?> <?php the_content(__('(more…)’)); ?> <?php } else { ?> <?php the_excerpt(__('(more…)’)); ?> <? } ?><?php if(is_single() || is_page()) { ?> <?php the_content(__(‘(more…)’)); ?> <?php } else { ?> <?php the_excerpt(__(‘(more…)’)); ?> <? } ?> This will display full … Read more
To set an IP address on a VLAN on a Cisco switch, firstly access the configuration section for the VLAN in configuration mode. arya(config)#interface vlan 1arya(config)#interface vlan 1 Then the administrator may set an IP address for the VLAN. arya(config-if)#ip address 172.18.31.210 255.255.255.0arya(config-if)#ip address 172.18.31.210 255.255.255.0 Then you are all set. To save the running … Read more
Getting the Prolific USB serial adapter working with Windows 8 can be difficult. Especially if you are studying for CCNA and you need to access a 2960G switch on Windows with Putty. As strange as it may look, you need an outdated driver to make it work. The only working version I have found is … Read more
Cracking a SHA512 Debian password hash with oclhashcat on Debian 8.0. I am using a Radeon HD6670 card and I created a user with the crappy password of “password”. Then I downloaded oclHashcat 1.37 and used this to crack the password using the GPU. This is the password hash in the /etc/shadow file. fred:$6$5l70Gupv$xBTxhCSexudn5jJ9hampIfTK0KIR3nqK1K1Rxye.OA5obtKArO7jgftjJtVSdp31MPxItEPmOuWhbgBvp0wqn.:16737:0:99999:7:::fred:$6$5l70Gupv$xBTxhCSexudn5jJ9hampIfTK0KIR3nqK1K1Rxye.OA5obtKArO7jgftjJtVSdp31MPxItEPmOuWhbgBvp0wqn.:16737:0:99999:7::: The … Read more