====== Backup Server - Debian Bullseye 11.6 ======
===== Hestia - Upgrade Debian 9 to 10 to 11 =====
  - Follow entire chapter 4 in detail: [[https://www.debian.org/releases/buster/amd64/release-notes/ch-upgrading.en.html|Upgrades from Debian 9 (stretch)]]
  - Follow entire chapter 4 in detail: [[https://www.debian.org/releases/stable/arm64/release-notes/ch-upgrading.en.html|Upgrades from Debian 10 (buster)]]
  - Modifications:
    - During the upgrade process you need to uninstall ''ping'', we therefore need to reinstall:<file>sudo apt install inetutils-ping</file>
    - Install [[deb10:rclocal|Services - rc.local]]

==== Debian 11 ====
  * [[deb11:setup|Debian 11 setup]]
  * [[deb11:lxde-xfce|Change desktop from LXDE to XFCE]]
  * [[deb11:mdadm|RAID - mdadm (Software RAID)]]
  * [[deb11:network|Network]]
  * [[deb11:backuppc|BackupPC]]
  * [[deb11:sendmail|Sendmail]]

==== Valid for Debian 11 ====
  * [[deb9:install|Installation]]
  * [[deb9:ssh|SSH Client and Server]]
  * [[deb9:lvm|LVM - Logical Volume Manager]]
  * [[deb9:luks|LUKS - Disk Encryption]]
  * [[deb9:encrypted|Encrypted partitions/folders with auto-mount]]
  * [[deb9:nut#nut_client|NUT Client - Network UPS Tools]]

==== to check Debian 9 installation ====
  * [[deb9:setup|Debian 9 Setup]]
  * [[deb9:virtualbox#Host|Virtualbox]]
  * [[deb9:ssh|SSH Client and Server]]
  * [[deb9:openvpn|OpenVPN]]
  * [[deb9:samba|Samba File Server]]
  * [[deb9:ufw|UFW Firewall]]
  * [[deb10:x11|X11]]
  * [[deb10:services|Services]]
  * [[deb10:vnc|VNC]]
  * [[deb10:tuning|Tuning]]
  * [[deb10:alsa|Sound System]]
  * [[deb10:postfix|Postfix]]
  * [[deb10:tools|Tools]]

FIXME
  * [[deb10:zabbix|Zabbix]]