Linux Tutoral - Backup Lab

Lab Exercise: System Backups Note: Should you be a standard user or a super user for backup operations? 1) Create a local backup respository mkdir /home/backups/ 2) Enumerate the size of the data for backup du -hs /etc /home /var /root 3) Backup the data using your specific Student ID and timestamp time tar cvzf $USERNAME_`date +%Y%m%d_%H%M`.tar.gz /home /var /root /etc 4) Synchronize the backup to a remote server rsync -huv /home/backups/h00123456_20140716_1100.tar.gz h00123456@remotehost:/home/backups/ ============================================= 483 mkdir /opt/backups 484 # Changed to OPT to avoid backing-up the backup. 485 cd /opt/backups/ 486 # I'm now in /opt/backups 487 pwd 488 du -hs /etc /home /var /root 489 # just for fun... we'll use a basic calculator... 490 # Note: this is the uncompressed size. 491 echo "25+240+669+4.5" | bc 492 # The total backup size is .9GB 493 # Note: this is the uncompressed size 494 # time tar cvzf x00123456_`date +%Y%m%d_%H%M`.tar.gz 495 # The # sign is a comment... 496 # Let 497 # Let's look at the date command... 498 date +%Y%m%d_%H%M 499 #so... userid_date.tar.gz.... 500 time tar cvzf x00123456_`date +%Y%m%d_%H%M`.tar.gz /etc /home /root /var 501 ll 502 echo "463/900" | bc 503 # now... let's remotely archive it... 504 # rsync -huv x00123456_20140716_1634.tar.gz [email protected]:/home/backups/ 505 # Let's check our aliases 506 alias 507 # Note: rsync already has a time statement... 508 rsync -huv x00123456_20140716_1634.tar.gz [email protected]:/home/backups/ 509 history