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rsync - Synchronizes files and directories
2011/04/10 |
| Synchronizes files and directories from one location to another by rsync.
Basic usage of rsync is here. The example below is for automatical settings. Ecxample ⇒ Copy files and directories in /var/www/html on a HostA[10.0.0.251] to in /home/backup on HostB[10.0.0.33]. |
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| [1] | Configure on Destination Host |
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[root@lan ~]# yum -y install rsync xinetd [root@lan ~]# vi /etc/xinetd.d/rsync # default: off # description: The rsync server is a good addition to an ftp server, as it \ # allows crc checksumming etc. service rsync { disable = no # change flags = IPv6 socket_type = stream wait = no user = root server = /usr/bin/rsync server_args = --daemon log_on_failure += USERID } [root@lan ~]# /etc/rc.d/init.d/xinetd start Starting xinetd: [ OK ] [root@lan ~]# chkconfig xinetd on [root@lan ~]# mkdir /home/backup [root@lan ~]# vi /etc/rsyncd.conf # any name you like [site] # destination directory path = /home/backup # Hosts you allow to copy (specify source Host) hosts allow = 10.0.0.31 hosts deny = * list = true uid = root gid = root read only = false |
| [2] | Configure on Source Host |
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[root@www ~]# yum -y install rsync [root@www ~]# vi /etc/rsync_exclude.lst # specify files or directories you'd like to exclude to copy
test test.txt |
| [3] | It's OK. Execute rsync on Source Host like follows. |
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[root@www ~]# rsync -avz --delete --exclude-from=/etc/rsync_exclude.lst /var/www/html/ 10.0.0.33::site # Add in cron if you'd like to run reguraly [root@www ~]# crontab -e # run at 2:00 AM in a day 00 02 * * * rsync -avz --delete --exclude-from=/etc/rsync_exclude.lst /var/www/html/ 10.0.0.33::site
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