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@@ -1,7 +1,53 @@
 # zsync
 
-ZFS replication script by Thorsten Spille <thorsten@spille-edv.de>
-- replicates ZFS filesystems/volumes with user parameter bashclub:zsync configured
-- mirrored replication with existing snapshots
-- pull replication only
-- creates full path on target pool
\ No newline at end of file
+ZFS replication script by Thorsten Spille <thorsten@spille-edv.de>
+- replicates ZFS filesystems/volumes with user parameter bashclub:zsync configured
+- mirrored replication with existing snapshots
+- pull replication only
+- creates full path on target pool
+
+## Installation
+
+#### Download and make executable
+~~~
+wget -q --no-cache -O /usr/bin/bashclub-zsync https://git.bashclub.org/bashclub/zsync/raw/branch/main/bashclub-zsync/usr/bin/bashclub-zsync
+chmod +x /usr/bin/bashclub-zsync
+bashclub-zsync
+~~~
+
+## Configuration
+After first execution adjust the default config file `/etc/bashclub/zsync.conf`:
+
+~~~
+# target path on local machine
+target=backup/px1
+
+# source host
+source=user@host
+
+# source host ssh port
+sshport=22
+
+# tag to mark source filesystem
+tag=bashclub:zsync
+
+# if set to bashclub:zsync=subvol, use inherited only or inherited and received
+subvol_source="inherited|received"
+
+# snapshot name filter
+snapshot_filter="hourly|daily|weekly|monthly"
+~~~
+
+### Define a cronjob
+#### cron.d example
+File: /etc/cron.d/bashclub-zsync
+~~~
+00 23 * * * root /usr/bin/bashclub-zsync -c /etc/bashclub/zsync.conf > /var/log/bashclub-zsync.log
+~~~
+
+#### cron.{hourly|daily|weekly|monthly}
+File: /etc/cron.hourly/bashclub-zsync
+~~~
+/usr/bin/bashclub-zsync -c /etc/bashclub/zsync.conf > /var/log/bashclub-zsync.log
+~~~
+