Author: Dragos Ion
How to learn Morse code with this mnemonic
How to learn Morse code Morse code is an international code that will send encoded messages using short beeps or light pulses, long beeps or light flashes and space or silence. A well known morse code message is SOS for distress and it looks like this. Without any spacing in between. International Morse Code This…
Best Linux distro 2021 RHEL vs Debian based
Best linux distro 2021 RHEL vs Debian based The best linux distribution of 2021 is not easy to decide. First choice is if you prefer a Linux distro that is RHEL based or Debian based. For a Linux server or a Linux desktop the requirements are quite different. There is no best linux distro really.…
SOS Emergency morse code send with blinking eyes, sound, flashlight
Before going further, if you are in a hurry this is what you do. SOS = . . . _ _ _ . . . or 3 short 3 long 3 short 3 short 3 long 3 short no pause between them. Short pause then do it again and repeat as many times as you…
Linux Check Disk Space Commands
How to check disk space in Linux command line. The command df shows you free disk space and du returns the disk usage statistics for various files and folders. df command The df command shows disk usage statistics and it stands for “Disk Free”. The df command bellow without any options will return the disk…
How to Remove Directory in Linux
How to Remove or Delete Directory in Linux To delete a directory in Linux remove command to use is rm or rmdir. Both work fine but there is an important difference between how rm and rmdir remove a directory. Caution If you delete a directory from the GUI even in Linux, the folder is moved…
How to Compress and Extract Files using the tar command on Linux
How to Compress and Extract Files using the tar command on Linux and How to create tar.gz file in Linux command line Compress files The tar command is used to pack and compress files and directories on Linux. The archived files are usually named .tar.gz or .tgz and are called usually tarballs. As with many…
412. Fizz Buzz Python 3 Solution
412. Fizz Buzz Python 3 Solution for LeetCode and HackerRank problems Requirements Input: integer n Output: string array answer (1-indexed) where: answer[i] == “FizzBuzz” when i is divisible by both 3 and 5. answer[i] == “Fizz” when i is divisible by 3. answer[i] == “Buzz” when i is divisible by 5. answer[i] == i for…
How to Change the Taskbar Size in Windows 11
How to Change the Taskbar Size in Windows 11 In this post you will find how to make the Windows 11 taskbar smaller or larger depending on preferences. For now this can be done with regedit Registry Editor but when a more user-friendly way is available, I will update this. Video Resize the taskbar in…
Windows 11 requires tpm 2.0 what is tpm anyways?
Windows 11 requires tpm 2.0 why is that and what is TPM anyway? Since Windows 11 was leaked then announced, we found out that Windows 11 will require TPM 2.0 to work at all. TPM stands for Trusted Platform Module and most PC’s nowdays don’t have it at all or have the older version tpm…
Canon Printer Error P10 error code b204 how to fix
Canon Printer Error P10 error code b204 and how to fix it. Canon Pixma G2411 printer error P10 with support code B204 If the printer does not print and you get error P10 or support error code B204. There may be a problem with printer ink delivery to the print head. This is for Canon…
