This command will change the default port for the SSH server on your Linux machine. jason@jason-desktop:~$ perl -pi -e ‘s/^#?Port 22$/Port 443/’ /etc/ssh/sshd_configjason@jason-desktop:~$ perl -pi -e ‘s/^#?Port 22$/Port 443/’ /etc/ssh/sshd_config Then run this command to restart the SSH server. jason@jason-desktop:~$ sudo service ssh restartjason@jason-desktop:~$ sudo service ssh restart This will…
Read MoreSetting up a bash shell is a lot of fun, there are a lot of ways to configure the bash shell to work just the way you wish it to. Using Linux makes this very easy. The bash shell has a few files that help it perform various functions. The…
Read MoreThe ffmpeg utility is very useful for transcoding video and making video files, but it can also retrieve information from a video or audio file very easily. You can get the ID3 info from an mp3 very easily. Below is an example. I am getting album and artist information from…
Read MoreThe new tab screen in Firefox has annoying messages popping up at the bottom and this may not be to everyone’s taste. But this can be changed very easily. Just create a user.js in your Firefox profile directory and put this in it. This will give you a completely blank…
Read MoreThis simple shell script will pick a random sentence from a text file. This is made up of multiple sentences from parts of the text file merged into one long sentence. words.sh1 2 3 4 5 #!/bin/sh numwords=$(shuf -i 14-88 -n 1) words=$(shuf -n $numwords 122-0.txt | cut -d$”…
Read MoreThe default CPU governor on an Ubuntu machine sets it to use an ondemand CPU setting that will use the lowest CPU speed and then set it higher when it is needed, but it does not always work very well. But it can be fixed. Dsiable the ondemand CPU governor….
Read MoreThe XPS document format is used by Windows to save a document when the document writer is used. The document reader in Ubuntu can open these just fine, but I wanted to be able to convert one to a PDF document. This is how I did it with the command…
Read MoreThe leaked Intel files contain a lot of information about the Intel Management Engine as well as a few Linux test utilities and source code. This is very interesting, I wonder how this was leaked. But the company`s image might be tainted by this leak, I mean how did it…
Read MoreOpening and reading chm files on Linux is very easy, they are compressed archives and can be opened with 7zip. This is how to extract a chm file on Linux with 7zip. Then open the index.html file in Firefox to view the contents easily. jason@jason-desktop:~/Documents/kabylakeplatform_3_7_9/KabylakePlatSamplePkg/Docs$ 7z x PlatApi.chm 7-Zip [64]…
Read MorePulseaudio can easily be controlled with the command line. The pactl utility is used to control the sound volume of a Pulseaudio sink. List all sinks with this command. jason@jason-desktop:~$ pactl list sinksjason@jason-desktop:~$ pactl list sinks Then look through the list to see which is the device you wish to…
Read MoreGetting information about a video file on Linux with the command line is very easy. I will show how you can easily find the resolution of a video and the format. This example below will return the resolution of a video file. jason@jason-desktop:~/Videos$ ffprobe XR_3DA_2019_03_16_19_22_35_777.avi 2>&1 | grep -E ‘[[:digit:]]{3,}x[[:digit:]]{3,}’…
Read MoreSSH is amazing in that it can allow a user to access the resources of one machine from another over the network. But with fast gigabit Ethernet connections these days, playing movies from one machine from another is now possible. Install SSHFS on your machine. jason@jason-desktop:~/remote$ sudo apt install sshfsjason@jason-desktop:~/remote$…
Read MoreThe sound volume in Ubuntu 20.04 is low by default. To adjust the volume there is a neat trick. Run alsamixer in the terminal and press F6 to select your sound hardware. Then adjust the volume to suit. Do not set it too high as you will get clipping. Just…
Read MoreGet RAM information with the Linux command line and inxi. 4.4 Thu May 02 jason@Yog-Sothoth 0: $ sudo inxi -m 1) All commands run with root privileges are always dangerous. 2) Never run commands on an environment you are not willing to destroy, or able to restore. 3) Do not…
Read MoreTo install the MATE desktop environment on Ubuntu 20.04, run this simple command. jason@jason-desktop:~/Documents$ sudo apt install mate-desktop-environment-extras mate-common mate-desktop-environmentjason@jason-desktop:~/Documents$ sudo apt install mate-desktop-environment-extras mate-common mate-desktop-environment Then you need to logout of the desktop session and restart the desktop login manager to allow it to detect MATE. Press Control-Alt-F2 and…
Read MoreThis is how to spawn a nuke explosion with a script in Arma 3. This only does damage in a small radius, but it still is a lot of fun. [getMarkerPos "respawn_west", 500] call rhs_fnc_ss21_nuke;[getMarkerPos "respawn_west", 500] call rhs_fnc_ss21_nuke; This section of code will spawn a HE SCUD missile on…
Read MoreThis useful one-liner will get your IP address from the command line very easily. This uses Google services and works very well. 4.4 Tue Jun 30 jason@Yog-Sothoth 0: $ dig TXT +short o-o.myaddr.l.google.com @ns1.google.com | sed -e ‘s/^"//’ -e ‘s/"$//’ 209.134.104.2004.4 Tue Jun 30 jason@Yog-Sothoth 0: $ dig TXT +short…
Read MoreSome very useful bash shell tips for using the Linux shell in 2022. These are the best way to use the shell quickly and efficiently.
Read MoreHow to install Windows Defender on Ubuntu.
Read MoreGoogle Dorks can be very useful for finding user information posted online. This Google Dork will find logfiles and other things with usernames and passwords posted online. allintext:username filetype:logallintext:username filetype:log This will find putty information including server hostnames as well as usernames. A very good starting point. ext:reg “username=*” puttyext:reg…
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