We need around 20 more items for the troubleshooting area to meet our
goal. This area has a number of objectives that items can be written for.
If you can contribute items for these objectives, please submit them
directly to me ([EMAIL PROTECTED])
Thank-You!
<h3>Objective ID 2.13.2: Creating Recovery Disks</h3>
<p>Includes task IDs 3.34.1 3.34.2</p>
<p>Candidate should be able to: create both a standard bootdisk for system
entrance, and a recovery disk for system repair.</p>
<ul>Key files, terms, and utilities include:
<li> /usr/sbin/rdev</li>
<li> /bin/cat</li>
<li> /bin/mount (includes -o loop switch)</li>
<li> Any standard editor</li>
<li> /sbin/lilo</li>
<li> /bin/dd</li>
<li> /sbin/mke2fs</li>
<li> /etc/fstab and /etc/inittab</li>
<li> /usr/sbin/chroot</li>
<li> Familiarity with the location and contents of the LDP
Bootdisk-HOWTO
(http://www.ibiblio.org/pub/Linux/docs/HOWTO/Bootdisk-HOWTO)</li>
</ul>
<h3>Objective ID 2.13.3: Identifying Boot Stages</h3>
<p>Includes task IDs 3.34.2</p>
<p> Candidate should be able to: determine, from bootup text, the 4 stages
of boot sequence and distinguish between each.</p>
<ul>Key files, terms, and utilities include:
<li> boot loader start and hand off to kernel</li>
<li> kernel loading</li>
<li> hardware initializiation and setup</li>
<li> daemon initialization and setup </li>
</ul>
<h3>Objective ID 2.13.4: Troubleshooting LILO</h3>
<p>Includes task IDs 3.34.3</p>
<p> Candidate should be able to: determine specific stage failures and
corrective techniques.</p>
<ul>Key files, terms, and utilities include:
<li> Know meaning of L, LI, LIL, LILO, and scrolling
010101 errrors</li>
<li> Know the different LILO install locations, MBR,
/dev/fd0, or primary/extended partition.</li>
<li> /boot/boot.b</li>
<li> Know significance of /boot/boot.### files </li>
</ul>
<h3>Objective ID 2.13.5: General Troubleshooting</h3>
<p>Includes task IDs 3.34.4 3.34.5 3.34.6</p>
<p>A candidate should be able to recognize and identify boot loader and
kernel specific stages and utilize 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.</p>
<ul>Key files, terms, and utilities include:
<li> screen output during bootup</li>
<li> /bin/dmesg</li>
<li> kernel syslog entries in system logs (if entry is
able to be gained)</li>
<li> various system and daemon log files in /var/log/</li>
<li> /sbin/lspci</li>
<li> /bin/dmesg</li>
<li> /usr/bin/lsdev</li>
<li> /sbin/lsmod</li>
<li> /sbin/modprobe</li>
<li> /sbin/insmod</li>
<li> /sbin/modprobe</li>
<li> /bin/uname</li>
<li> location of system kernel and attending modules /,
/boot, and /lib/modules</li>
<li> /proc filesystem </li>
<li>strace</li>
<li>strings</li>
<li>ltrace</li>
<li>lsof</li>
</ul>
<h3>Objective ID 2.13.6: Troubleshooting System Resources</h3>
<p>Includes task IDs 3.34.7 3.34.8</p>
<p>A candidate should be able to identify, diagnose and repair local
system environment.</p>
<ul>Key files, terms, and utilities include:
<li> /etc/profile && /etc/profile.d/</li>
<li> Core system variables </li>
<li> /etc/bashrc (or other appropriate global shell
configuration files)</li>
<li> /etc/init.d/</li>
<li> /etc/rc.*</li>
<li> /bin/ln</li>
<li> /bin/rm</li>
<li> Any editor of choice</li>
<li> /etc/ld.so.conf </li>
<li> /sbin/ldconfig</li>
<li> /sbin/sysctl && /etc/sysctl.conf </li>
</ul>
<h3>Objective ID 2.13.7: Troubleshooting Network Issues</h3>
<p>Includes task IDs 3.34.9 3.34.10</p>
<p>A candidates should be able to identify and correct common network
setup issues to include knowledge of locations for basic configuration
files and commands.</p>
<ul>Key files, terms, and utilities include:
<li> /sbin/ifconfig</li>
<li> /sbin/route</li>
<li> /bin/netstat</li>
<li> /etc/network || /etc/sysconfig/network-scripts/</li>
<li> system log files such as /var/log/syslog &&
/var/log/messages</li>
<li> /bin/ping</li>
<li> /etc/resolv.conf</li>
<li> /etc/hosts</li>
<li> /etc/hosts.allow && /etc/hosts.deny</li>
<li> /etc/hostname || /etc/HOSTNAME</li>
<li> /sbin/hostname</li>
<li> /usr/sbin/traceroute</li>
<li> /usr/bin/nslookup</li>
<li> /usr/bin/dig</li>
<li> /bin/dmesg </li>
<li>host</li>
</ul>
<h3>Objective ID 2.13.8: Troubleshooting Environment Configurations</h3>
<p>Includes task IDs 3.34.11</p>
<p>A candidate should be able to identify common local system and user
environment configuration issues and common repair techniques.</p>
<ul>Key files, terms, and utilities include:
<li> /etc/inittab</li>
<li> /sbin/init</li>
<li> /etc/passwd</li>
<li> /etc/shadow</li>
<li> /etc/group</li>
<li> /etc/profile</li>
<li> /etc/rc.local || /etc/rc.boot</li>
<li> /usr/sbin/cron</li>
<li> /usr/bin/crontab</li>
<li> /var/spool/cron/crontabs/</li>
<li> /etc/`shell_name`.conf</li>
<li> /etc/login.defs</li>
<li> /etc/syslog.conf </li>
</ul>
--
Kara Pritchard Phone: 618-398-7320
Kara Pritchard Phone: 618-398-7360
Author, RHCE Exam Cram
Linux Users of Central Illinois http://www.luci.org/
Director of Exam Development http://www.lpi.org/
Site Manager http://www.LinuxUsersGroups.org/
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