41Keeping an Eye onYour SystemLinux log files can (Yahoo web space)
41Keeping an Eye onYour SystemLinux log files can provide all sorts of information about your system. In this technique, we show you how to collect and customize thatinformation. We also introduce you to some handy tools that helpyou monitor your log files and system resources. The system log viewer is an easy way to review all your log files at once. An easy graphical interface allows you quick click-and-view access to allthe logs, in one place. You can also customize the displays to call yourattention to problems without having to search through long log files. The filter mechanism built into the system log viewer enables you toquickly and easily find problems related to device failures or programsthat just won t start. The syslogddaemon is responsible for deciding what gets written to thelog files. The daemon comes preconfigured with a standard set of instruc- tions, but you can customize the rules in the /etc/syslog.conffile tomake the daemon more sensitive to problems. We show you how in thistechnique. KDE System Guard is a great graphical tool that creates custom systemand network resource-usage worksheets. You can arrange sensors thatdisplay information from your computer and other machines on your net- work to compare system resources in plotted charts and bar graphs. Youcan also use the process table to manage tasks kill off runaway pro- grams or change the scheduling priority of processes as they execute. You can also tell at a glance who s running what tasks and who s hoggingyour resources. This technique is all about controlling information. Just like a detective, you need sources. The great thing about Linux s information resourcesisyou don t have to pay them off for information. Just keep an eye onthem, and they ll tell you what you need to know about the state of yourcomputer. TechniqueSave Time By Watching the activity inyour system logs Customizing your log files Customizing system noti- fications for better alerts Creating custom resourceworksheets with KDESystem Guard50_
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