Gtf is a utility for calculating VESA GTF modes. Given the desired horizontal and vertical resolutions and refresh rate (in Hz), the parameters for a matching VESA GTF mode are printed out. Two output formats are supported: mode lines suitable for the Xorg xorg.conf(5) file, and mode parameters suitable for…
Read MoreThere are many ways to get networking information on your Linux computer. This is how to return the active network interface(s) on your Linux system. 4.4 Mon Jun 22 jason@Yog-Sothoth 0: $ ip addr | awk '/state UP/ {print $2}' | sed 's/.$//' enp0s25 Combining this command with another using…
Read MoreThis is very easy to do. Get comprehensive hardware information about your desktop computer with a simple script. This is available to install for newer Ubuntu releases, but for those of us using an LTS release, the script may be downloaded from this page. https://launchpad.net/ubuntu/+source/hw-probe/1.5-1. Unpack the tarball and then…
Read MoreUpdating an open-source project is very easy. This can be done just fine with the command line. In this example, I am listing the files in a repository. 4.4 Tue Jun 16 jason@Yog-Sothoth 1: $ git ls-tree -r master –name-only LICENSE README.md makefile src/iface.h src/strings.h src/sysinfo.cpp src/sysinfo.h system-info4.4 Tue Jun…
Read MoreIt is very easy on Linux to find out very useful networking details. The netdiscover utility will display a listing of all hosts on your local network. This would be very useful if run on a wireless network that does not have host isolation enabled. This can help you find…
Read MoreThe Ebay online-shopping website is running scripts to port scan users and determine if they are using a VPN and possibly attempting fradulent activity. But this is a compromise of security and trust. This can be blocked though. There is a lot of information about this here: https://blog.nem.ec/2020/05/24/ebay-port-scanning/. Judging by…
Read MoreBy default, Macintosh OSX does not read the .bashrc file when you login to the operating system. But it does read the .bash_profile script if it does exist. Therefore, create the .bash_profile in your home directory and put this in it. if [ -s ~/.bashrc ]; then source ~/.bashrc; fiif…
Read MoreGetting information about your CPU on Linux is very easy. There are many ways to do this. The cpufreq app is one good way to get the current CPU frequency. 4.4 Thu Jun 04 jason@Yog-Sothoth 0: $ cpufreq-info -f -m 988 MHz4.4 Thu Jun 04 jason@Yog-Sothoth 0: $ cpufreq-info -f…
Read MoreI have completely uninstalled the snapd service from my Ubuntu machine. This seems to have given me a faster system, Firefox loads faster and the boot is faster overall. The snapd service was taking 50 seconds to load upon booting, now that it is gone. it is a fair bit…
Read MoreChanging the brightness of a DVI or HDMI monitor on Linux is very easy. This is done with the xrandr utility. This allows a user to change the properties of a connected monitor. Get a list of connected monitors with the xrandr -q command. 4.4 Fri May 22 jason@Yog-Sothoth 0:…
Read MoreThe Windows 10 operating system will soon have the ability to run GUI Linux apps on the Windows desktop. Is Microsoft trying to replace Linux installations with Windows 10? That would be very interesting. But there is already a Windows version of GIMP, this would imply that they want to…
Read MoreA new package manager is available for Windows. This is just copying ideas from Ubuntu and Debian. This allows the installation of software from a repository and install it on your Windows 10 computer. This works by running the winget install command to install a Windows package. Pity you can…
Read MoreThe grep utility is very useful for searching for text in files on a Linux system. It is possible to search for text or files recursively. This is very easy to do. This example is how to search for a text string recursively with grep. I have double quotes in…
Read MoreThis supposed UFO is just a glass bowl laying on its side. You can tell that the dirt in the foreground is blurred due to the depth of field of the camera. This is hardly convincing at all. But Twitter and Youtube are full of videos of this supposed UFO….
Read MoreThe dpkg command can be used to list all installed packages. I wanted to list the language packs installed with Firefox. So the command below is perfect. jason@Yog-Sothoth:~$ dpkg –list firefox-locale-* Desired=Unknown/Install/Remove/Purge/Hold | Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend |/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad) ||/ Name Version Architecture Description +++-==============================-====================-====================-================================================================== ii firefox-locale-de 75.0+build3-0ubuntu0 amd64 German language…
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 MoreSetting themes for the Ubuntu MATE desktop is very easy, but it can be done with the command line. This is very simple to do. The command below will set the GTK theme as “Bluebird”. This works instantly and would be very useful in a script to quickly set up…
Read MoreThe Australian my.gov.au website has gone down under the increased usage due to the Coronavirus epidemic and the increased demand for social welfare services. This is a joke. The Department of Human Services cannot even keep this website running and were blaming a Cyberattack at one point, but it was…
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…
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