VI Editor - Commands
Most Linux distributions use VI as their default editor. Although VI is very convenient to use after learning certain shortcuts, it is not exactly self-explanatory, especially for beginners.
edit/paste
i
save and close
:wq
close without save
:q!
search
search forward
/Searchtext
back
?Searchtext
continue search "n" next
Search / Replace
:1,$s/Unix/Linux/g
replace "Unix" with "Linux" (range: 1,$ -> from beginning to end, g: replace all)
:%s/Unix/Linux/g delete the whole document
:1,$d
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After I installed a fan in my NAS, it always ran at top speed. In the BIOS I could set the speed, but the automatic mode did not work properly. Using the service fancontrol the speed of the fan can be linked to any sensor and any threshold and controlled automatically.
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