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linux-commandline-tips [2019/03/13 00:15]
serbizadmin [Find Stuff]
linux-commandline-tips [2020/07/15 09:22]
serbizadmin [Compression]
Line 37: Line 37:
 cat /dev/null > modsec_audit.log</code> cat /dev/null > modsec_audit.log</code>
 See also "log rotate" on mL wiki. See also "log rotate" on mL wiki.
 +  * remove everything else except...
 +<code>
 +rm -rf !(filename)</code>
 +This works only if extglob is enabled. So
 +<code>
 +shopt -s extglob</code>
 \\ \\
 +====== Compression======
 +  * lossless, multi-thread compression: keeping sourcing file, progress, high efficiency, extrem flag 
 +<code>
 +time xz -6ve -k --threads=0 <filename>
 +</code>
 +  * test integrity 
 +<code>
 +xz -tv <filename>.tar.xz
 +</code>
 ====== PHP====== ====== PHP======
   * View php config   * View php config
Line 47: Line 62:
 php -i | grep in php -i | grep in
 </code> </code>
 +\\
 +  * reinstall all php packages
 +<code>
 +apt-get install --reinstall `dpkg -l | grep 'ii  php7' | awk '{ printf($2" "); next}'`
 +</code>
 +====== Log Analysis======
 +* limiting by date range
 +
 +sed -n '/8\/Oct\/2019/,/8\/Oct\/2019/ p' access.log