Non-graphical boot with systemd
I want to boot to console instead of a GUI using systemd. How can I do that?
Unix & Linux
Start zsh with a custom zshrc
I want to be able to start zsh with a custom rc file similar to the command: bash --rc-file /path/to/file
Execute a command before shutdown
I want to execute a simple command just before the computer shuts down (timing is not essential).
Usage of -n and -z in test built in – Bash
Consider the following in bash:
What’s the difference between “realpath” and “readlink -f”
I’ve read a lot about realpath command and how it has been deprecated with the readlink -f being now recommended. I have also seen in some places that the reason why realpath was introduced was for the lack of such functionality in readlink and that once it has been introduced, realpath was no longer needed and its support discontinued by most OS vendors.
What characters need to be escaped in files without quotes?
I have browser-based shell/terminal that executes bash commands and I’m escaping spaces but it turns out that parenthesis also need to be escaped. What other characters need to be escaped for file names that are not in quotes?
Trying to SSH into server and getting key_load_public: No such file or directory error
I created a passwordless ssh connection to my remote server from my mac. It worked(!) and then I closed my terminal, re-opened it, tried again, and got the following (username, my_ip are not real):
How to rename multiple files using find
I want to rename multiple files (file1 … fileN to file1_renamed … fileN_renamed) using find command:
How to grant non-root user access to device files
I have device file that appears in /dev when a specific board is plugged in. The read and write operations to it work just fine, but in order to open the device file the program needs to be executed with root priveledges. Is there any way I can all a non-root user to open this one specific device file without having to use sudo?
Why does my X11 forwarding attempt fail with “connect /tmp/.X11-unix/X0: No such file or directory”?
On my local machine, I run: