This is a very simple program that prints information about the kernel version and nodename. This is very useful when building a larger system information program. sysinfo.c1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24…
Read MoreInstalling the wpscan utility on Ubuntu allows non-invasive scanning of a website running WordPress to find any vulnerabilities. This is very useful to run on your own website, then you may fix any problems presented after the scanning is complete. This helps ensure that your WordPress blog is as secure…
Read MoreInstalling Teamspeak allows easy voice and text communication over a TCP/IP network. This is easy to install. Download Teamspeak 64-bit client from this page: https://teamspeak.com/en/downloads/#. Then run it like this to install. ┌──[[email protected]]─[~/Downloads] └──╼ ╼ $ bash ./TeamSpeak3-Client-linux_amd64-3.5.6.run Welcome to the TeamSpeak 3 Client for Linux on amd64 installer …
Read MoreGetting the gateway IP address of your machine is a very important trick sometimes. This is very easy on Linux. Use the ip route command on Linux to print information about the IP routing. This includes the gateway IP address. ┌──[[email protected]]─[~/Videos] └──╼ ╼ $ ip route | grep default |…
Read MoreIt is apparently possible to create a file named ., this will make the file unusable, but it is still very cool. I used this simple command. strace touch ‘.’strace touch ‘.’ Type a dot character “.”, then press Control-Shift-u and type 200b and then press ENTER, this will create…
Read MoreExtracting an excerpt from a video is very useful, this is how to do it. The command below extracts an excerpt from a video at 00:00:05 to 00:00:15. This is scaled to 640×360 pixels and is good quality. ┌──[[email protected]]─[~/Videos] └──╼ ╼ $ ffmpeg -v 1 -i agropromfun.mp4 -ss 00:00:05 -to…
Read MoreI recently installed the 5.8.0-41-generic kernel and I had no detected sound hardware after booting into the new kernel, but it turns out that a package was missing from my machine. I installed this package and then replugged my sound hardware and it worked straight away. ┌──[[email protected]]─[~] └──╼ ╼ $…
Read MoreThe ~/.vimrc file is very useful to store your configuration settings in. But it can also have other files included in it, with a simple line of text. This means you can have one configuration file containing syntax highlighting settings and other settings in another file. This is how to…
Read MoreThere are many ways to use the bash shell on Linux. It has different key binding options and the ability to navigate to a directory by typing the name alone. set -o vi bind -m vi-insert "\C-l":clear-screenset -o vi bind -m vi-insert "\C-l":clear-screen This will enable VIM styled keybindings for…
Read MoreThis simple command will search for a folder named xray* and then switch to it. ┌──[[email protected]]─[~/Documents] └──╼ ╼ $ cd $(find . -type d -name "xray*")┌──[[email protected]]─[~/Documents] └──╼ ╼ $ cd $(find . -type d -name "xray*") After running this command, it has found a folder that matches the wildcard and…
Read MoreThere are many ways to get detailed information on known users on your Linux system. The lslogins command is therefore very useful for listing all usable login accounts. The below example will list all user accounts including the root account. This might be disabled on an Ubuntu system, but it…
Read MoreShow a preview of a directory as you cd into it. c() { cd "$@" ls_truncate=20 files=$(ls -F -C –color=always) files_num=$(echo "$files" | wc -l) echo "$files" | head -n $ls_truncate [ $(echo "$files" | wc -l) -gt "$ls_truncate" ] && echo "(Ommited $((files_num-$ls_truncate)) files/directories)" }c() { cd "$@" ls_truncate=20…
Read MoreThis one-liner will display all users with UIDs over 999 and under 2000. This includes valid users on an Ubuntu system but may be different on other machines. ┌──[[email protected]]─[~/Documents] └──╼ ╼ $ awk -F: ‘{if($3>999 && $3<2000)print $1,$3,$6}’ /etc/passwd jason 1000 /home/jason kirk 1001 /home/kirk┌──[[email protected]]─[~/Documents] └──╼ ╼ $ awk -F:…
Read MorePlaying Playstation games on a Linux machine is very easy, the pcxsr package allows emulation of Playstation games on a modern Linux machine. Install the package. ┌──[[email protected]]─[~/Documents └──╼ ╼ $ sudo apt install pcsxr┌──[[email protected]]─[~/Documents └──╼ ╼ $ sudo apt install pcsxr Then plug in a USB controller. A Logitech F310…
Read MoreThe Secure Shell, or SSH, provides a way of running command line and graphical applications, and transferring files, over an encrypted connection. SSH uses up to 2,048-bit encryption with a variety of cryptographic schemes to make sure that if a cracker intercepts your connection, all they can see is useless…
Read MoreSetting the GPU fan speed on Linux is very important if a user wants to participate in gaming and not have a burning smell come from their GPU. I have found a way to get this working and it is very simple. Run this command to create a basic Xorg…
Read MoreThis is a sample command, I used this to record TV with MPV from a stream. This is quite problematic, but I managed to get this working on the example stream. ┌──[[email protected]]─[~] └──╼ ╼ $ mpv https://c.mjh.nz/101002210221/ –stream-record=tv1.ts –demuxer-lavf-probe-info=yes [ffmpeg] hls demuxer: Can’t support the subtitle(uri: hdntl=exp=1607128378~acl=%2f*~data=hdntl~hmac=a731c5d7a64c0589edb0290b2e2f44e9c48f2dbb1cf2f564d3d0914ee3341922/index_7_0.m3u8) Video –vid=1 ‘bitrate…
Read MoreGetting information about an ISO image is very easy on Linux. You do not need to mount one to view the contents with ls. There is a simple utility for viewing the contents of ISO images. I created an ISO image like this. ┌──[[email protected]]─[~/Documents] └──╼ ╼ $ mkisofs -A "Solyanka…
Read MoreThe ZSH shell is a very customizable shell to use, and a good alternative to bash. There are a few associated files that can be used to personalize your ZSH shell. The ~/.zlogin file is read when a user logs into a Linux account. This can be used to run…
Read MoreA color terminal on Linux can print a wide variety of colors. But how many colors can it print? The colortest utility can show this. Install it like this. ┌──[[email protected]]─[~/Documents] └──╼ ╼ $ sudo apt-get install colortest┌──[[email protected]]─[~/Documents] └──╼ ╼ $ sudo apt-get install colortest Then run it to get a…
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