linux - Securitron Linux blog.

How to install Gzdoom on Ubuntu and play Russian Overkill easily.

Installing Gzdoom on Linux allows playing Hexen format maps and cool mods on Linux. Installing via Snap was not appealing to me so I downloaded the deb package from the website instead. ┌──[[email protected]]─[~] └──╼ ╼ $ wget https://github.com/coelckers/gzdoom/releases/download/g4.5.0/gzdoom_4.5.0_amd64.deb┌──[[email protected]]─[~] └──╼ ╼ $ wget https://github.com/coelckers/gzdoom/releases/download/g4.5.0/gzdoom_4.5.0_amd64.deb Then I could install the deb package…

Get information about your peripherals with Linux easily.

Linux offers many ways to get information about your current hardware. Such as mouse and keyboard model and type. Here is an example, getting information about the keyboard layout installed on my system. ┌──[[email protected]]─[~] └──╼ ╼ $ setxkbmap -query | awk ‘/layout/ && a ~ /model/ {print a"\n"$0} {a =…

Miscellaneous programming tricks with C.

This is a very simple Hello World program in C. int main() { write(1, "Hello World\n", 14); }int main() { write(1, "Hello World\n", 14); } Counting how long a text string is. #include <stdio.h> #include <string.h> #define MSG "Hello Doctor, let’s get back to the TARDIS!" int main() { int…

Working with permissions on a Linux system.

When you list directories in long format (the -l switch), you’ll be presented with a long list of information. What does it all mean? The first column on the far left represents permissions. The first character is a marker to define what the object is. For example, ‘-’ for a…

Pipewire audio system to take over from Pulseaudio and Jack.

The pipe wire system is a new audio system that is taking over from Pulseaudio in Fedora 34. This is also in Ubuntu 21.04. This is a superior audio system and also replaces the Jack audio system. I hope this is a low latency system and gives better performance. Pulseaudio…

The Linux community.

Why you should contribute Linux has evolved, and continues to evolve, under the open-source philosophy of the free sharing of ideas. If not for this massive, shared, open community environment, Linux — and much of the open-source software that runs the Internet — wouldn’t be here. It’s a testament to…

How the bash shell works in Linux.

If you’ve ever piped the output of one command into the input of the other or joined simple commands together to do complex tasks, then you have a taste for the power of the shell. As you use the shell more and more you’ll discover how powerful it is and…

Install Twin – a Textmode WINdow environment on Ubuntu and use multiple terminals in a Virtual Terminal session.

The Twin utility for Linux allows a user to open a text-mode environment and then use multiple terminal windows within this simple environment. This could be very useful indeed when working in a Virtual Terminal. This would allow a user to watch multiple terminal windows at once. Download the source…

Very useful and obscure computing tips.

A disturbing amount of people do not know you can reopen your last tab in the Firefox browser with Control+Shift+T. If you use Windows you can drag and snap windows so you can work on stuff side by side. Apparently, pressing F5 on notepad.exe adds a timestamp to the current…

How to log CPU usage over a period of time on Linux.

Logging CPU usage over a certain period of time is very easy. The command below will print 24 lines of CPU statistics, printing a line every 4 seconds. ┌──[[email protected]]─[~] └──╼ ╼ $ sar -u 4 24 –human Linux 5.8.0-41-generic (jason-desktop) 12/04/21 _x86_64_ (4 CPU) 09:05:33 CPU %user %nice %system…

A very nice upcoming window manager for Linux. PrismWM.

PrismWM is a very nice window manager for Linux and UNIX. This looks just like the very old Macintosh desktop. I cannot wait to try this out. This would make a very good Ubuntu respin with a pretend Macintosh Classic desktop environment. I always wanted a nice Macintosh Classic desktop…

How to get useful information about your Nvidia adapter on Linux.

Using an Nvidia graphics adapter on Linux is very useful, it allows gaming and using 3D modeling software. But if you need to know what processes are using your adapter, then you need to install a useful utility. This is called nvtop. Install it like this. ┌──[[email protected]]─[/] └──╼ ╼ $…

How the bash shell works in Linux.

How do programs run on Linux?

Ever wondered what happens when you run a program? Ever downloaded software from the Net that didn’t work, even though it may have compiled and installed correctly? If the answer to either of these questions is yes, you probably want to know more about how Linux runs programs. Even if…

Working with file permissions on Linux.

When a user runs a program on Linux, the program runs with the same permissions as that user account. For example, if user Joe doesn’t have permission to modify the files in /etc, any program that Joe runs won’t have permission either. There’s an exception to every rule. Files that…

Use grep to search through source code trees fast and find what you are looking for.

Using the grep utility to search through source code can take a long time when you are searching for certain text. But this can be made easier if you use grep. The command below: grep -rn –include "*.*" "winlogon" .grep -rn –include "*.*" "winlogon" . Will search recursively through a…

Convert your IP address to binary easily with this command.

This one-liner will take your IP address and convert it into binary. This is very useful and fun to do. ┌──[[email protected]]─[~/Videos] └──╼ ╼ $ ipcalc `ip a | awk ‘/inet / { print $2 }’ | sed -n 2p | cut -d "/" -f1` | awk ‘/Address/ {print $3,$4}’ 11000000.10101000.00000001….

Good ways to send a folder from your machine to another over a network.

This example will send the Boomsrc folder and all of the contents to the remote machine under the /home/jason/Desktop directory. This is very fast and secure. ┌──[[email protected]]─[~/Documents] └──╼ ╼ $ tar cBf – Boomsrc | compress -c | ssh [email protected] "cd /home/jason/Desktop; uncompress -c | tar xBvf -"┌──[[email protected]]─[~/Documents] └──╼ ╼…

How to save a Youtube playlist as mp3 files with Linux.

Saving a Youtube playlist as mp3 files is easy with Linux. The youtube-dl script is capable of handling this easily. You need to specify the playlist ID instead of the whole URL. Below is an example, this shows how easy it is to save a bunch of videos as mp3…

One annoying feature in modern Ubuntu distributions.

The only annoying feature in the modern Ubuntu release is the automatic updates, this blocks me when I want to install a package as the package lock is held by the updater. I wish it would pop up a notification or even a small progress bar on the panel in…

John Cartwright on The Stalker 2 dev build has leaked on the Internet.June 14, 2024
Here is a Stalker 2 Repack. magnet:?xt=urn:btih:cwjz3l4nzfhiwe7jdhcemu7j7qnypmay&dn=STALKER2%20Repack%20By%20VTSS&xl=171719420896&fc=111
David on The Stalker 2 dev build has leaked on the Internet.May 26, 2024
Hello, do you have buld 5b915c12? link: https://btdig.com/63567989c3d13b1faf5c249e5b38af17101a1b82 I'm trying to download it but it seems to be offline. If…
ChatGPT Online on How to enable Developer mode in ChatGPT and get better prompt results.May 10, 2024
Great tutorial on enabling developer mode in ChatGPT! I appreciate the detailed instructions provided. This has really helped me improve…
John Cartwright on Finding password files and other information online using Google Dorks.April 30, 2024
S3 bucket find Using Google Dorks 🌍 Here are a couple of examples: site:http://amazonaws.com inurl:". s3.amazonaws.com/" site:http://s3.amazonaws.com intitle:index.
Glavinas Vaszilis on Install the Youtube Red app on Ubuntu and watch Youtube videos.April 28, 2024
how to run the command?
Random Guy on How to get a list of all YouTube videos on a channel with yt-dlp.January 13, 2024
Oh WordPress ruined the command formatting. I think you can figure this out.
Random Guy on How to get a list of all YouTube videos on a channel with yt-dlp.January 13, 2024
Both things can also be achieved with just yt-dlp. Print chapter titles: yt-dlp --print "%(chapters.:.title)#l" https://www.youtube.com/watch?v=o1jv509M8Zg Print 15 latest videos:…
slermcat on Another look at the NeXTSTEP source code.January 4, 2024
I used to administer a nextstep machine (color pizza slab, 24MB ram). Wrote display postscript demos and screensavers for it.…
slermcat on Amazing new shooter game that runs in awk.January 4, 2024
yeah good example of how simple raycasting a-la wolfenstein is i write fun stuf in bash but i'm less cool…
slermcat on How to get a nice waveform display with the MPV media player on Linux.January 4, 2024
mpv --config=no --audio-device=pulse/alsa_output.usb-0c76_USB_PnP_Audio_Device-00.analog-stereo --quiet --vo=tct --lavfi-complex='[aid1]asplit[ao][a1];[a1]showcqt[vo]' /media/sdc2/Projects/Music/NSF/amazingmusic/NSF_Archive/Chiptune_Artists/Originals/* showcqt ftw! thanks!
Sherfvip on The Stalker 2 dev build has leaked on the Internet.December 7, 2023
Hi.. does the launcher comes in english..also in game options not working Thank you