Unterschiede

Hier werden die Unterschiede zwischen zwei Versionen angezeigt.

--- shell [21/11/2023 - 08:33] – admin
+++ shell [25/12/2024 - 17:00] (aktuell) – [Shell Basics] thommie_netzwissen.de
@@ Zeile 1: / Zeile 1: @@
-====== Shell allgemein ======
+====== Shell Basics ======
 [[http://www.gnu.org/software/bash/manual/bashref.html|http://www.gnu.org/software/bash/manual/bashref.html]]
 [[https://www.shellscript.sh/|https://www.shellscript.sh/]]
-[[http://www.linux-services.org/shell/|http://www.linux-services.org/shell/]]
 ===== GB keyboard =====
@@ Zeile 62: / Zeile 60: @@
 [[https://manpages.ubuntu.com/manpages/trusty/de/man8/update-alternatives.8.html|https://manpages.ubuntu.com/manpages/trusty/de/man8/update-alternatives.8.html]]
-===== Diverses =====
+===== Random string erzeugen =====
-Random string erzeugen
 <code>
 tr -dc A-Za-z0-9 </dev/urandom | head -c 25 ; echo ''
 </code>
 ===== Links =====
-<language-none>
 ''ln -s /Zieldatei /Referenz
-</language-none>
+=====   Find   =====
+Alle Dateien älter als 365 Tage finden
+<code>
+find /mnt/pve/sb_u203461/dump/ -mtime +365 -type f
+</code>
+Mit löschen:
+<code>
+find /mnt/pve/sb_u203461/dump/ -mtime +365 -type f -delete
+</code>
+Luxus Variante mit Backup
+<code>
+#!/bin/bash
+path="/data/backuplog/"
+timestamp=$(date +%Y%m%d_%H%M%S)
+filename=log_$timestamp.txt
+log=$path$filename
+days=7
+START_TIME=$(date +%s)
+find $path -maxdepth 1 -name "*.txt"  -type f -mtime +$days  -print -delete >> $log
+echo "Backup:: Script Start -- $(date +%Y%m%d_%H%M)" >> $log
+... code for backup ...or any other operation .... >> $log
+END_TIME=$(date +%s)
+ELAPSED_TIME=$(( $END_TIME - $START_TIME ))
+echo "Backup :: Script End -- $(date +%Y%m%d_%H%M)" >> $log
+echo "Elapsed Time ::  $(date -d 00:00:$ELAPSED_TIME +%Hh:%Mm:%Ss) "  >> $log
+</code>
+===== sed =====
+replace "-d" with "-d "
+<code>
+ <font inherit/monospace;;inherit;;#000000background-color:#ffffff;>sed s/-d/'-d '/g domains3.txt> domains4.txt</font>
+</code>
+trim string and remove newlines
+<code>
+ <font inherit/monospace;;inherit;;#000000background-color:#ffffff;>tr --delete '\n' <domains2.csv> domains3.txt</font>
+</code>
+===== Alte Kernels raus schmeissssen =====
+<code>
+uname -mrs = current kernel
+dpkg --list | egrep -i --color 'linux-image|linux-headers'
+aptitude purge linux-image-5.10.0-{18,19,20}-amd64
+update-grub
+reboot
+<code>