Sample daily server management tasks

1	Disk Check of the Server	All the partitions must contain at least 500 MB to 800 MB free space. Alert if disk usage of any partition is above 80%. Nagios : Frequency 4Hrs. Define partitions for the server in Nagios
2	Check for the Memory and Swap Utilization	Top -c , free . Check top 5 max Mem  using processes and confirm normality
3	CPU usage	Last 24 hrs Nagios graphs to check abnormalities.  Check top 5 max cpu using processes and confirm normality
4	Check Clean /etc/hosts.deny and  iptables	Make sure that none of the entry is older than 30 days
5	Check the logwatch generated mail and attend all errors. a. Excessive logins - Send mail to customers through ssd . b. Failed login attempts > 10 times,  contact customer and get it resolved. c. Error messages - debug	Logwatch generated mail for the server in l2support mail box.  Check the mail
6	Check /usr/local/apache/logs/error_log - or /var/log/httpd/error_log  , Send mail to customers, if it's a web server
7	Check /usr/local/cpanel/logs  error_log , panic.log ,
8	Check for cPanel Updates mail in l2support.
9	Check rootkit analysis mail in l2support
10	Check /var/log/lfd.log for errors.
11	Check WHM / Cpanel	Mail relayer analysis : attend errors                Login to whm , check view relayers  , check spam / non deliveries / mail size / problems and inform customers.
12	Customer Specific Task checks	Verify backups