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Which is the safest way to get root privileges: sudo, su or login?

How can I pause/resume rsync

Is there a 'rc' configuration file for grep/egrep? (~/.egreprc?)

Do you need a shell for SCP?

Restricting an SSH/SCP/SFTP user to a directory

How can I close a terminal without killing its children (without running `screen` first)?

Is there a way to communicate with someone at their desktop?

Can a bash script be hooked to a file?

In bash, how can I convert a Unicode Codepoint [0-9A-F] into a printable character?

How to (safely) move /tmp to a different volume?

How to lock one mouse/keyboard pair to each screen?

What are shmpages in laymans terms?

Can I set my local machine's terminal colors to use those of the machine I ssh into?

Xen/KVM/LXC for testing packages

How does a debugger work in Linux?

Extracting tokens from a line of text [closed]

How to change the USB keyboard layout in an OpenBSD console?

Switch to Gnome from KDE without logging out

Extract graphs from PDFs

How to make system automatically mount encrypted device in Linux

No response on a Linux machine