What is Rsyslog in Linux?
Rsyslog is a r ocket-fast sys tem for log processing. It offers high-performance, great security features and a modular design. While it started as a regular syslogd, rsyslog has evolved into a kind of swiss army knife of logging, being able to and output the results to diverse destinations.
What are the message properties in rsyslog?
The property name is case-insensitive (prior to 3.17.0, they were case-senstive). These are extracted by rsyslog parsers from the original message. All message properties start with a letter. The following message properties exist: the message excactly as it was received from the socket. Should be useful for debugging.
What is the rsyslogd inputname?
Internal sources can also provide inputnames. Currently, “rsyslogd” is defined as inputname for messages internally generated by rsyslogd, for example startup and shutdown and error messages.
What is programname in syslogd?
programname – the “static” part of the tag, as defined by BSD syslogd. For example, when TAG is “named ”, programname is “named”. For a comprehensive list and description all currently-supported properties, you can check ryslog properties.
How to enable TCP syslog reception?
Enable the TCP syslog reception. In modules section of /etc/rsyslog.conf add or uncomment the following lines The module name is “ imtcp “. Add a rule to catch the messages from all remote servers. In the rules section of /etc/rsyslog.conf add the following lines at the beggining:
Can LF be used as a delimiter in plain text TCP syslog?
Industry-strandard plain text tcp syslog uses the LF to delimit syslog frames. However, some users brought up the case that it may be useful to define a different delimiter and totally disable LF as a delimiter (the use case named were multi-line messages). This mode is non-standard and will probably come with a lot of problems.