Some people do not understand how Linux works at all. I just tried what was shown in the webm above on my Ubuntu MATE machine and it works just fine. I was able to drag a file from the Caja file manager to the desktop and lo and behold it…
Read MoreRun the urxvt terminal as a transparent colored terminal window. This is very useful indeed. urxvt -fn "fixed" +sr +st -fg "#FFFFFF" -bg "#000033" -bd "#302c64" \ -ip +sb -title "*-Home-${HOME}-Shell-${SHELL}-Display-${DISPLAY}*" \ -tint DarkSlateGrey -fade 50 -fadecolor redurxvt -fn "fixed" +sr +st -fg "#FFFFFF" -bg "#000033" -bd "#302c64" \ -ip…
Read MoreThe unneeded use of the cat command is very annoying, this is wasteful. Something like this is very annoying to see. cat unixhell.txt | sed ‘s/program/application/g’cat unixhell.txt | sed ‘s/program/application/g’ Do it like this instead. This is the proper way to use sed. sed ‘s/program/application/g’ unixhell.txtsed ‘s/program/application/g’ unixhell.txt The user…
Read MoreThis one-liner will print a listing of all ABC News articles from the XML RSS feed. This is a very good way to extract text from an RSS feed or other XML files. curl -s http://www.abc.net.au/news/feed/2942460/rss.xml | grep ‘media:description’ | awk -F "[<>]" ‘{print $3}’; echo "$desc"curl -s http://www.abc.net.au/news/feed/2942460/rss.xml |…
Read MoreThere are some tips for Ubuntu that are not as well known as they should be. One tip is searching the bash history. Press Control-R and a prompt will appear. (reverse-i-search)`sudo’: sudo apt-get install libxml2-utils(reverse-i-search)`sudo’: sudo apt-get install libxml2-utils Type a search like “sudo” for example, and the first search…
Read MoreI have found a very nice trick to switch back and forth between directories in Linux. This is very useful if the user needs to do something in one directory and then switch back to the previous directory to do something else. Below is a very useful example. I cd…
Read MoreCoronavirus lockdown is a good time to learn a new skill. Whether it be programming or 3D modelling, Linux has many programs available to fulfil any need for content creation. Blender is a very capable 3D modelling application for creating detailed 3D models. Davinci Resolve is the best video editor…
Read MoreVery nice bash shell prompt This is a very useful Linux shell prompt with color. export PS1="\[\033[38;5;165m\]\d\[$(tput sgr0)\] \[$(tput sgr0)\]\[\033[38;5;51m\]\W\[$(tput sgr0)\] \[$(tput sgr0)\]\[\033[38;5;84m\]\H\[$(tput sgr0)\]@\[$(tput sgr0)\]\[\033[38;5;229m\]\u\[$(tput sgr0)\]:\l>\[$(tput sgr0)\]\[\033[38;5;231m\]\\$\[$(tput sgr0)\] "export PS1="\[\033[38;5;165m\]\d\[$(tput sgr0)\] \[$(tput sgr0)\]\[\033[38;5;51m\]\W\[$(tput sgr0)\] \[$(tput sgr0)\]\[\033[38;5;84m\]\H\[$(tput sgr0)\]@\[$(tput sgr0)\]\[\033[38;5;229m\]\u\[$(tput sgr0)\]:\l>\[$(tput sgr0)\]\[\033[38;5;231m\]\\$\[$(tput sgr0)\] " This prompt will look like this. Mon Mar…
Read MoreFinding out when your Linux machine actually booted up can be tricky. This is how to do it though. The date command can be used with other commands to easily give this information. 4.4 Fri Mar 27 jason@Yog-Sothoth 0: $ date -d @`grep btime /proc/stat | awk ‘{ print $2…
Read MoreThis command will list all installed hard disks in your system. This is using the -S parameter to only list SCSI devices. 𒅑 4.4 Mon Mar 23 jason@Yog-Sothoth 0: $ lsblk -n -S sda 0:0:0:0 disk Seagate Expansion Desk 0911 usb sdb 1:0:0:0 disk ATA ST3500418AS CC38 sata sdc 3:0:0:0…
Read MoreThe ps command on Linux is very useful for listing running processes. It is possible to list only certain running processes. And also certain columns of text from the output. This could be very useful for a script. This example below shows how to only print the PID, the percentage…
Read MoreTo get the geographical location of an IP address, use this command. This uses ipinfo.io and gets a lot of information about the IP address. 4.4 Tue Mar 17 jason@Yog-Sothoth 0: $ curl -s ipinfo.io/203.113.124.148 | awk ‘{print $2}’ | sed ‘s/"//g’ 203.113.124.148, 203-113-124-148.revip.totidc.net, Bangkok, Bangkok, TH, 13.7540,100.5014, AS131293…
Read MoreI have an SDR dongle I am using to listen to the radio, this has been flashed with different firmware to enable using it as a multi-band radio. Set up your SDR dongle very easily. https://securitronlinux.com/debian-testing/rtl-sdr-on-linux-with-a-rtl2838-dvb-t-dongle/. The best software to use for listening to the radio on Linux is Gqrx….
Read MoreHow to print the amount of RAM in your machine as a whole number.
Read MoreThe gunzip utility can uncompress logfiles that are gzipped in archives, but this is not needed. To read a logfile that is gzipped, you can also use this command to print the contents to a terminal and not bother uncompressing the file. This allows reading log files in /var/log without…
Read MoreThis is a very interesting bash trick I found using ls. This runs the ls command with random parameters. This is not very useful, but interesting nonetheless. 4.4 Tue Mar 03 jason@Yog-Sothoth 0: $ ls -`cat /dev/urandom | tr -dc ‘hula’ | head –bytes 1`4.4 Tue Mar 03 jason@Yog-Sothoth 0:…
Read MoreReading ID3 data from an MP3 file on Linux is very easy with the ffmpeg suite. The ffprobe command can do this very easily. This example will return the title and artist of the MP3 file. 4.4 Mon Mar 02 jason@Yog-Sothoth 0: $ ffprobe -loglevel quiet -show_entries format_tags=artist,title 02\ Snake\…
Read MoreTo get DVD playback working on Ubuntu, the libdvdcss library is required. This is easily installed and necessary to decode a DVD properly for playback. Install this package to prepare for installation. This also allows automated updates to the library. 4.4 Sat Feb 29 jason@Yog-Sothoth 1: $ sudo apt install…
Read MoreThe Linux find command is very useful for finding certain files. I will show how to search a folder and return a listing of files. This example below shows how to list all webm and gif files in the directory and all subdirectories. 4.4 Fri Feb 21 jason@Yog-Sothoth 0: $…
Read MoreThis is how to add a new user account on your Ubuntu Linux machine. This is very simple using the useradd command. Useradd takes parameters instead of asking for details like adduser, this means it is better to use in a script. 4.4 Wed Feb 12 jason@Yog-Sothoth 0: $ sudo…
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