411 REFERENCE · Wikibooks
LPI Linux Certification/General Troubleshooting
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
Detailed Objective
Weight: 1
Description:
Candidates should be able to recognise and identify boot loader and kernel specific stages and utilise kernel boot messages to diagnose kernel errors. This objective includes being able to identify and correct common hardware issues and be able to determine if the problem is hardware or software.
Key knowledge area(s):
/proc filesystem
Various system and daemon log files
Content of /, /boot , and /lib/ modules
Screen output during bootup
Kernel syslog entries in system logs (if entry is able to be gained)
Tools and utilities to analyse information about the used hardware
Tools and utilities to trace software
The following is a partial list of the used files, terms and utilities:
dmesg
/sbin/lspci
/usr/bin/lsdev
/sbin/lsmod
/sbin/modprobe
/sbin/insmod
/bin/uname
strace
strings
ltrace
lsof
linux