» Linux » Examen sur Linux » Examen 202 : Networking Administration » Section 3 » Question 14/20
14.You wish to have all mail messages except those of type info to the /var/log/mailmessages file. Which of the following lines in your /etc/syslog.conf file would accomplish this?

mail.*;mail!=info /var/log/mailmessages
mail.*;mail.=info /var/log/mailmessages
mail.*;mail.info /var/log/mailmessages
mail.*;mail.!=info /var/log/mailmessages

Explanation: The first part of the answer, “mail.*” instructs syslogd to log all types of mail messages, which is not what we want (the syntax is mail.type). However, the second part of the answer, “mail.!=info” overrules that and instructs syslogd to ignore mail messages of the type ‘info’. ‘Info’ is a ‘serverity level’ for the message. Examples of other levels are err and crit.

Reference: http://nodevice.com/sections/ManIndex/man1597.html

Incorrect Answers
A: There must be a dot (period) separating mail and !=info.
B: The exclamation mark (!) means to ignore this type. This answer will only log the info type. We want to ignore the info type.
C: This answer will log all mail messages of type ‘info’ or above. We want to exclude the ‘info’ type.
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