![]() If the named user is logged into the system when Rsyslog processes the message, the message will be printed to all of that user’s terminals. These files can be text files, as is usually the case, but they can also be device files such as a terminal or a printer. File names can be listed in the action field, specifying the location of files to which the selected message should be written.Many actions are possible, though only one can be included in a rule: This table lists the standard priority levels with brief descriptions of their meanings: Priority The priority, or level, of a message is intended to determine the importance of a message. Messages generated internally by the system log daemon ![]() This table lists the standard defined facilities with brief descriptions of what they are used for: Facility The Syslog daemon can then be configured to handle messages from different sources differently. The facility is used to specify what type of program is generating the message. Similarly, the asterisk wild-card can be used to specify all facilities, providing another method for applying an action to a variety of messages. This can be useful when the same action needs to be applied to multiple messages. Multiple selectors can be listed on a line, separated by semicolons. It is still possible to match multiple messages from different facilities, however. Unlike the priority field, the facility field is not hierarchical. ![]()
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