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--- linux:backup [2021/08/21 18:43] – created admin
+++ linux:backup [2024/06/03 13:48] (current) – [full local backup to tmp] admin
@@ Line 2: / Line 2: @@
   * [[https://www.cyberciti.biz/faq/howto-use-tar-command-through-network-over-ssh-session/|howto-use-tar-command-through-network-over ssh session ]]
+  * AI ''what is best way to backup dokuwiki on docker and save 2 last copies on google disk.  if possible need to use only bash script''
-# SSH
+===== Backup =====
+==== SSH ====
-## login to root with ssh key
+  * login to root with ssh key
   #/etc/ssh/sshd_config
   PermitRootLogin without-password
@@ Line 12: / Line 14: @@
-## check session ( specially for x )
+==== check session (specially for X) ====
   ls /usr/bin/*session
-## check x application
+==== check x application ====
   dpkg -l|egrep -i "(kde|gnome|lxde|xfce|mint|unity|fluxbox|openbox)" | grep -v library
-## packages depends
+==== packages depends ====
   apt-cache -o APT::Cache::GivenOnly=1 dotty gnome-system-tools | dot -T png > out.png
-## find GUI applications
+==== find GUI applications  ====
   apt-cache rdepends  --installed libx11-6
-## get large packages
+==== get large packages ====
-#wajig
+  * wajig
   sudo apt-get install wajig
   wajig large
-#Show Installed Package Size using dpkg-query
+  * Show Installed Package Size using dpkg-query
   dpkg-query -Wf '${Installed-Size}\t${Package}\n' | sort -n | tail -n 10
-## get installed meta package ( to clear gui)
+==== get installed meta package ( to clear gui) ====
 awk 'BEGIN{
     FS=" - ";
@@ Line 49: / Line 51: @@
 }'
-## clear fail2ban sqlite base
+==== clear fail2ban sqlite base ====
   sqlite3 /var/lib/fail2ban/fail2ban.sqlite3 \
     "DELETE FROM bans WHERE DATE(timeofban, 'unixepoch') < '2021-08-19'; VACUUM;"
-## full local backup to tmp
+==== full local backup to tmp ====
-#brotli - slow
+  * gzip - fast
-  tar -cf - --exclude=/backup.tar.gz --exclude=/proc --exclude=/tmp --exclude=/mnt --exclude=/dev --exclude=/sys --exclude=/run --exclude=/media --exclude=/var/log --exclude=/var/cache/apt/archives  / | brotli |  pv | cat > /tmp/bot-ar-`date +%m-%d-%Y`.tar.bt
+  * tar gz -> root /
-#gzip - fast
-## tar gz -> root /
   tar -czvf - --one-file-system --ignore-failed-read  --exclude=/backup.tar.gz --exclude=/proc --exclude=/tmp --exclude=/mnt --exclude=/dev --exclude=/sys --exclude=/run --exclude=/media --exclude=/var/log --exclude=/var/cache/apt/archives --exclude=/var/lib/lxcfs / |   pv | cat > /tmp/bot-ar-`date +%m-%d-%Y`.tgz
+  * tar gz -> /boot
-## tar gz -> /boot
   tar -czvf - --one-file-system --ignore-failed-read   /boot |   pv | cat > /tmp/bot-ar-boot-`date +%m-%d-%Y`.tgz
-## only if root available for login SSH
+  * only if root available for login SSH
+<code BASH>
   ssh root@bot.ip2u.ru 'cd / && tar -cvf - --exclude=/backup.tar.gz --exclude=/proc --exclude=/tmp --exclude=/mnt --exclude=/dev --exclude=/sys --exclude=/run --exclude=/media --exclude=/var/log --exclude=/var/lib/lxcfs/ --exclude=/var/cache/apt/archives  / | gzip -9 ' |  pv | cat > /mnt/d/backup/bot-ar/bot-ar-`date +%m-%d-%Y`.tgz
+  </code>
+  * brotli - very slow
+  tar -cf - --exclude=/backup.tar.gz --exclude=/proc --exclude=/tmp --exclude=/mnt --exclude=/dev --exclude=/sys --exclude=/run --exclude=/media --exclude=/var/log --exclude=/var/cache/apt/archives  / | brotli |  pv | cat > /tmp/bot-ar-`date +%m-%d-%Y`.tar.bt
+  * local run save to ssh
+<code BASH>
+   tar -cvf - --exclude=/backup.tar.gz --exclude=/proc --exclude=/tmp --exclude=/mnt --exclude=/dev --exclude=/sys --exclude=/run --exclude=/media --exclude=/var/log --exclude=/var/lib/lxcfs/ --exclude=/var/cache/apt/archives / | gzip -9 | ssh user@remote_server.example.com 'cat > /path/to/backup/bot-ar-`date +%m-%d-%Y`.tgz'
+</code>