#Welcome to Nehra Classes Youtube 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/
[email protected]:/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
[email protected]:/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/
[email protected]:/backupdestination/
# crontab -l
# tail -f /var/log/cron
Go To CLIENT:
# ll /backupdestination/
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Our Some Popular Videos:
Yum Server RHEL 7:
https://www.youtube.com/watch?v=-N09WSCNcso
DNF/Yum Server RHEL 8:
https://www.youtube.com/watch?v=cXqL5lLHM_o
Puppet Configuration:
https://www.youtube.com/watch?v=uBLMcTuaiUw&t=34s
Startis File System in RHEL 8:
https://www.youtube.com/watch?v=wkLmgeo7oxk
Concept of All RAID Levels:
https://www.youtube.com/watch?v=VRx0copTNr8
Configure RAID-0 in Linux:
https://www.youtube.com/watch?v=5tTHGbSqSKA
Configure RAID-1 in Linux:
https://www.youtube.com/watch?v=x12pMJpGGmw
Configure RAID-5 in Linux:
https://www.youtube.com/watch?v=Cj-je1RUJgo
Configure RAID-6 in Linux:
https://www.youtube.com/watch?v=qeKLlrZ5fLg
Configure RAID-10 in Linux:
https://www.youtube.com/watch?v=DLVGj_Mu1DA
Migrate LVM:
https://www.youtube.com/watch?v=B2YMDlYf-_U
LVM Snapshot:
https://www.youtube.com/watch?v=CJJwbnFuM5A
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Email:
[email protected]
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