Why does the apt-key man page advise against using its add command?
The Ubuntu man page for apt-key includes the following note regarding apt-key add:
Unix & Linux
Why is the PGID of my child processes not the PID of the parent?
So I keep reading everywhere that this command should terminate all child processes of the parent process:
Env vars in /etc/environment not globally visible?
I am trying to create a systemd service;
Brace expansion not working in a script
for i in {1..40} do echo $i done I got {1..40} and I would like to have something like 1 2 3 and so on so I can use the variable i inside a command’s parameter. Answers: Thank you for visiting the Q&A section on Magenaut. Please note that all the answers may not help … Read more
Give a specific user permissions to a device without giving access to other users
I have a card reader attached on /dev/sdb.
$BASHPID And $$ differ in some cases
I’m reading “BASH pocket guide of Oreilly”.
It said:
What is the /etc/hosts size limit?
How can I determine or set the size limit of /etc/hosts? How many lines can it have?
How to find files by file type?
I know I can find files using find: find . -type f -name 'sunrise'. Example result:
Printing an array to a file with each element of the array in a new line in bash
I am trying the contents of an array into a file with each element of the array in a new line in the file.
“aborting authentication by local choice (Reason: 3=DEAUTH_LEAVING)” when trying to connect to wifi
I installed Debian 9 stretch (GNOME desktop) 64-bit on my PC. My USB wireless adapter (TP-LINK TL-WN722N) was detected automatically after installing atheros firmware: