subject system administration

using linux centos bash shell

Lab 9 Application servers: backup and recovery, logging and monitoring

answer the following quietions

1. On the main server (source), create an unprivileged user called xoocbackup (xccx are your initials) that will be used by rsync on the backup server (destination) to mirror the directory /var/rsync- xx, where xxxx are your initials (xxxxbackup must have read permissions on /var/rsyne-xxxx on the main server). Click or tap here to enter text. 2. For the user xxoxbackup created in Question 1 , create keys for the user for passwordless backup. Click or tap here to enter text. 3. Create a cron job (every 5 mins) for rsync to mirror the directory/var/rsync- xx from the main server to the destination server. Click or tap here to enter text. 4. Using logwatch, display the system logs as messages in the root user's mailbox (You'll have to check when logwatch runs every day to catch the messages - check/change the logwatch configuration) Click or tap here to enter text. 5. Using sar, display the cpu, memory and disk activities every 2 seconds for 5 times. Click or tap here to enter text