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Alle Oberthemen / Informatics / Linux

LPIC 101.1 (75 Karten)

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3
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0
Where are module failures sometimes logged in?
The kernel log (dmesg)
Tags: 101.1, commands, dmesg, linux, logs
Quelle:
53
Kartenlink
0
What does Linux use to produce and maintain log files? Where do you configure it?
syslogd - otherwise known as the syslog daemon.

The syslogd daemon handles messages from servers and other user-mode programs. It’s usually paired with a daemon called klogd, which is generally installed from the same sysklogd package as syslogd. The klogd daemon manages logging of kernel messages.

For configuration, this is done through the /etc/syslog.conf file. (The rsyslogd configuration file is /etc/rsyslog.conf and is similar to syslog.conf.)
Tags: /etc, 101.1, daemon, klog, linux, logs, syslog
Quelle:
54
Kartenlink
0
What format do configuration lines in the syslog configuration file use?
facility.priority action

  • Facility being the type of program or service
  • Priority being the importance of the message
  • Action is the file or computer that accepts the message
Tags: /etc, configuration, logs, syslog
Quelle:
56
Kartenlink
0
What are some of the valid codes for the facility value? What do they generally mean?
  • auth - security/authorization related
  • authpriv - privilege related
  • cron - cron job related
  • daemon - servers/processes that aren't covered by a more specific facilitiy
  • kern - kernel related
  • lpr -
  • mail - used for mail servers and other mail-processing tools
  • mark - reserved for internal use
  • news - server update/news related
  • security - identical to auth, though auth is the preferred facility
  • syslog - related to the system logging daemon
  • user - user related
  • uucp - printing related
  • local0 through local7


Asterisk * is a wildcard for all facilities, while the . character can be used to select multiple facilities.
Tags: 101.1, facilities, linux, logs, syslog
Quelle:
57
Kartenlink
0
What are the valid codes for the priority portion, and what do they imply?
  • debug
  • notice
  • info
  • warning - currently used, self-explanatory
  • warn - deprecated
  • error - deprecated
  • err
  • crit
  • alert
  • emerg
  • panic - deprecated


Aside from the deprecated codes, the above are listed in escalating importance.
Tags: 101.1, codes, linux, logs, priority, syslog
Quelle:
Kartensatzinfo:
Autor: Ryan Robson
Oberthema: Informatics
Thema: Linux
Ort: Houston
Veröffentlicht: 08.02.2011
Tags: LPIC-1, Exam, Training, LPIC, Linux, , BASH, Regular Expression, Certification
 
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