ComViewing and Managing Log Files

Question 1

Log file Categories

Answer 1

System
Service
Event
Application

Question 2

A logging system which stores logs in a binary format that can be viewed by using the journalctl utility

Answer 2

systemd journal

Question 3

A utility that can be installed and is usually installed by default in order to manage log files.

Answer 3

logrotate

Question 4

The main system log for debian based hosts and stores all global system activity and startup messages

Answer 4

/var/log/syslog
Options controlled by /etc/syslog.config or /etc/rsyslog.conf in newer versions

Question 5

The main system log on rhel based hosts. Stores all global system acitivity and startup messages

Answer 5

/var/log/messages

Question 6

Option for journalctl that views messages for a particular systemdunit

Answer 6

-u unit

Question 7

Follows journalctl for latest messages

Answer 7

-f

Question 8

jumps to the end of the journal

Answer 8

-e

Question 9

adds explanaion texts from the message catalog

Answer 9

-xs

Question 10

hows entries from a specified data

Answer 10

-s -u since until

Question 11

Setings for the systemd journal can be updated by modifying /etc/systemd/journald.conf