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--- deb11:backuppc [2025/12/20 13:46] – [Configuration for Windows 11 (lower than 22H2) running WSL2 or Hosts without fixed IP address (for example laptops outside of your LAN)] Bernard Condrau
+++ deb11:backuppc [2025/12/21 15:18] (current) – [Maintenance] Bernard Condrau
@@ Line 18: / Line 18: @@
   * [[deb9:luks|LUKS - Disk Encryption]]
   * [[deb9:encrypted|Encrypted partitions/folders with auto-mount]]
+==== Setup remote ping ====
+  * Make sure necessary apps are installed, see [[deb11:setup#install_and_configure_packages|Install and configure packages]]
+  * Log in to the DiskStation with SSH, sudo to root, and create the file //backuppc// in folder /etc/sudoers.d/. As there is no //visudo// on DSM you must be extra careful to copy the following lines exactly, otherwise you may render sudo unable to elevate to root:<code>cd /etc/sudoers.d
+sudo vim
+# Allow backuppc
+backuppc ALL=(root:root) NOPASSWD: /var/services/homes/backuppc/bin/rsync</code>
 ==== Setup boot configuration ====
@@ Line 25: / Line 32: @@
 ==== Maintenance ====
+  * Update host\\ <color red>**After OS change (hardware, SSH, etc.) of a host you must manually SSH into the host from the server to accept the changed SSH key**</color>
   * Delete a backup. If you delete several backups, delete non-filled backups which were taken after a filled backup first.<code>/usr/local/BackupPC/bin/BackupPC_backupDelete -h host -n num </code>[[http://backuppc.sourceforge.net/BackupPC-4.0.0.html#Other-Command-Line-Utilities|Other Command Line Utilities]] and [[https://github.com/backuppc/backuppc/blob/master/bin/BackupPC_backupDelete|BackupPC_backupDelete]]
 ==== Links ====

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