Linux Event Logging

Linux Event Logging

参考《Linux® Debugging and Performance Tuning: Tips and Techniques》 chapter 8

syslogd

1. /home/a/j/nomad2:ps -ef |grep klogd  
2. root 4364 1 0 07:12 ? 00:00:00 /bin/dd bs 1 if /proc/kmsg of /var/run/klogd/kmsg  
3. klog 4366 1 0 07:12 ? 00:00:00 /sbin/klogd -P /var/run/klogd/kmsg  
4. nomad2 29513 27878 0 19:43 pts/11 00:00:00 grep klogd  
5. /home/a/j/nomad2:ps -ef |grep -i syslogd  
6. syslog 4345 1 0 07:12 ? 00:00:05 /sbin/syslogd -u syslog  
7. nomad2 29515 27878 0 19:43 pts/11 00:00:00 grep -i syslogd  

The logger command is a shell command interface to Syslog

One method to control managing log files is the use of the logrotate command. It enables automatic rotation, compression, removal, and mailing of log files.相应的配置文件是/etc/logrotate.conf