1-15Be aware of the following issues while editing file /etc/syslog.conf:z Comments must be on a separate line and begin with the # sign.z No redundant spaces are allowed after the file name.z The logging facility name and the information level specified in the /etc/syslog.conf file must beidentical to those configured on the device using the info-center loghost and info-center sourcecommands; otherwise the log information may not be output properly to the log host.Step 4: After log file info.log is created and file /etc/syslog.conf is modified, you need to issue thefollowing commands to display the process ID of syslogd, kill the syslogd process and then restartsyslogd using the –r option to make the modified configuration take effect.# ps -ae | grep syslogd147# kill -HUP 147# syslogd -r &After the above configurations, the system will be able to record log information into the log file.Outputting Log Information to a Linux Log HostNetwork requirementsz Send log information to a Linux log host with an IP address of 1.2.0.1/16;z Log information with severity higher than informational will be output to the log host;z All modules can output log information.Figure 1-2 Network diagram for outputting log information to a Linux log hostConfiguration procedureBefore the configuration, make sure that there is a route between Device and PC.1) Configure the device# Enable information center. system-view[Sysname] info-center enable# Specify the host with IP address 1.2.0.1/16 as the log host, use channel loghost to output loginformation (optional, loghost by default), and use local5 as the logging facility.[Sysname] info-center loghost 1.2.0.1 channel loghost facility local5
