Rsync : Sync Files/Directories2018/11/29 |
Configure Rsync to sync files or directories to localhost or remotehost.
Basic usage of rsync command is here.
For Local <=> Remote sync, when using rsync command, SSH protocol is used by default,
so it needs SSH Server is running on the remotehost.
On this example, Configure Rsync as a service.
For example, Configure Rsync to copy files and directories under the [/root/work] on dlp.srv.world to [/home/backup] on node01.srv.world.
To run Rsync daemon, it's easy to configute synchronization settings and also Rsync uses 873/TCP port, not uses SSH, so it doesn't need SSH Service on remotehost. +----------------------+ | +----------------------+ | dlp.srv.world |10.0.0.30 | 10.0.0.51| node01.srv.world | | +----------+----------+ | | /root/work/* | -------------> | /home/backup/* | +----------------------+ copy +----------------------+ |
[1] | Configure on source host. |
root@dlp:~#
apt -y install rsync
root@dlp:~#
vi /etc/rsync_exclude.lst # specify files or directories you'd like to exclude to copy
test test.txt |
[2] | Configure on destination host. |
root@node01:~#
apt -y install rsync
root@node01:~#
vi /etc/rsyncd.conf # create new # any name you like [backup] # destination directory to copy path = /home/backup # hosts you allow to access hosts allow = 10.0.0.30 hosts deny = * list = true uid = root gid = root read only = false mkdir /home/backup root@node01:~# systemctl start rsync |
[3] | It's OK. Execute rsync on Source Host like follows. |
root@dlp:~#
rsync -avz --delete --exclude-from=/etc/rsync_exclude.lst /root/work/ node01.srv.world::backup # Add in cron if you'd like to run reguraly
root@dlp:~#
crontab -e # for example, run at 2:00 AM in a day 00 02 * * * rsync -avz --delete --exclude-from=/etc/rsync_exclude.lst /root/work/ node01.srv.world::backup
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