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bash_oneliners [2016/05/16 11:47] adminbash_oneliners [2018/04/23 12:31] admin
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 <code> <code>
 $ grep -E -o "(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)" file.txt $ grep -E -o "(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)" file.txt
 +</code>
 +  * show used inode count for subdirectories.
 +<code>
 +find */ | sed 's!/.*!!' | uniq -c
 +</code>
 +  * free all caches
 +<code>
 +free && sync && echo 3 > /proc/sys/vm/drop_caches && free
 </code> </code>
bash_oneliners.txt · Last modified: 2023/07/27 13:28 by admin