Elements of Monitoring and Tuning

Elements of Monitoring and Tuning

1.       disable the log file in /etc/syslog.conf   .  such as  message.

2.       disable reverse name lookups

3.       set loglevel to warn for most deamons.

4.       disable  /etc/cron.daily/makewhatis.cron

5.        disable /etc/cron.daily/mlocate.cron

6.       neverdisable /etc/cron.daily/prelink

7.       chkconfig below deamons off:

PC Smart Card Deamon       Bluetooth    hidd    avahi

8.       Skill:  #sysctl –a >> /etc/sysctl.conf     (Then you can find all of the parameter,when repeated , the last can be valid.

9.       Using system documentation ( install the package kernel-doc    path:/usr/share/doc/kernel-doc*/Documentation

#cd /usr/share/doc/kernel-doc*/Documentation

#grep –ir cfq *       (find about the cfq tuning on Doc)