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--- linux:commands [2011/12/03 06:31]
tkilla
+++ linux:commands [2020/11/12 00:20] (current)
tkilla
@@ Line 1: / Line 1: @@
-====== Shell Commands & 1-liners ======
+====== Shell Commands & Oneliner ======
+**the place for useful commands, 1-liners, mini-howtos & snippets**
+please give a short description or some links
+----
+===== archives - tar.gz | bz | 7zip =====
+**create tar.gz archiv**
+   tar -czvf myfiles.tar.gz /home/username/myfiles/
+**create tar.gz archiv of full system without **
+   tar cvpzf /mnt/somewhere/backup.tgz --exclude=/data --exclude=/proc --exclude=/lost+found --exclude=/mnt --exclude=/sys --exclude=/dev /
+\\
+----
+===== compressed dump of complete filesystems =====
+**backup raw data of a disc (as root): **
+  dd if=/dev/sdX | gzip -c9 > /PATH/TO/BACKUP.gz
+**restore to a __drive of same size__ as original medium:**
+  gunzip -c /PATH/TO/BACKUP.gz | dd of=/dev/sdX
+\\
+----
+===== various methods howto backup & restore =====
+**[[http://wiki.eeeuser.com/backup_restore]]**
+\\
+----
+===== sound =====
+**mp3 "normalize" by id3 tag**
+mp3gain analyses sound files and saves an id3 volume metatag to them. many music-players can read that id3 tag and adjust the volume to that gain.
+   find /path/to/music/ -type f -iname '*.mp3' -print0 | xargs -0 mp3gain -r -k
+\\
+----
+===== bash completion =====
+**debian misses to enable this by default :(**
+it enables a lot of auto complete for file paths, commands, command parameters(!) and more
+   apt-get install bash-completion
+add this to /etc/profile to enable completion for all users:
+   if [ -f /etc/bash_completion ]; then
+     . /etc/bash_completion
+   fi
+enable it by opening a new console or
+   source /etc/profile
+info from: http://www.howtoforge.com/how-to-add-bash-completion-in-debian
+==== Create Random File ====
+count is in KiB
+  dd bs=1024 count=1000 </dev/urandom >myfile
+===== Fix locales =====
+  export LANGUAGE=en_US.UTF-8; export LANG=en_US.UTF-8; export LC_ALL=en_US.UTF-8; locale-gen en_US.UTF-8
-put useful $cmd and a short description or some links here

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