#Welcome to Nehra Classes RU-vid Channel#
#Automate Backup Using rsync & crontab in Linux#
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rsync or remote synchronization is a software utility for Unix-Like systems that efficiently sync files and directories between two hosts or machines.
One of them being the source or the local-host from which the files will be synced, the other one being the remote-host, on which synchronization will take place.
There are basically two ways in which rsync can copy/sync data:
Copying/syncing to/from another host over any remote shell like ssh, rsh.
Copying/Syncing through rsync daemon using TCP.
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Server: (192.168.1.111)
yum repolist
rpm -qa | grep rsync
yum install rsync -y
rpm -qi rsync
su - vikasnehra
mkdir backup
cd backup
touch test{1..10}.txt
mkdir -p /tmp/backup
rsync --help
rsync -v /home/vikasnehra/backup/* /tmp/backup/
exit
mkdir -p /backupsource/
cd /backupsource/ ; touch test{1..10}.txt
CLIENT: (192.168.1.108)
yum repolist
rpm -qa | grep rsync
yum install rsync -y
mkdir -p /backupdestination/
Go To SERVER:
rsync -av -e ssh /backupsource/ root@192.168.1.108:/backupdestination/
Go To CLIENT:
cd /backupdestination/
ls -lha
rm -rf *
ls -lha /root/.ssh/
mkdir -p /root/.ssh/
chmod 700 /root/.ssh/
touch /root/.ssh/authorized_keys
chmod 600 /root/.ssh/authorized_keys
Go To SERVER:
ssh-keygen
scp -r /root/.ssh/id_rsa.pub root@192.168.1.108:/root/.ssh/authorized_keys
date
crontab -e
25 20 * * * bash /root/backup.sh
vim /root/backup.sh
!#/bin/bash
/usr/bin/rsync -av -e ssh /backupsource/ root@192.168.1.108:/backupdestination/
crontab -l
tail -f /var/log/cron
Go To CLIENT:
ll /backupdestination/
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2 авг 2024
