3 ms·
You are looking for the Magic SysRq Key: https://en.wikipedia.org/wiki/Magic_SysRq_key https://en.wikipedia.org/wiki/Magic_SysRq_key - Alt+SysRq+u remounts all
by kbaker 9y ago
You are looking for the Magic SysRq Key: https://en.wikipedia.org/wiki/Magic_SysRq_key https://en.wikipedia.org/wiki/Magic_SysRq_key
- Alt+SysRq+u remounts all filesystems readonly.
Looks like some of the Magic SysRq Keys are disabled by default now in new Ubuntus.