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Title |
Duration |
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00:01:10 |
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Customize and use the shell environment
Description: Candidates should be able to customize shell environments
to meet users' needs. Candidates should be able to modify global and
user profiles.
Key Knowledge Areas:
* Set environment variables (e.g. PATH) at login or when spawning
a new shell.
* Write BASH functions for frequently used sequences of commands.
* Maintain skeleton directories for new user accounts.
* Set command search path with the proper directory.
The following is a partial list of the used files, terms and utilities:
* /etc/profile
* env
* export
* set
* unset
* ~/.bash_profile
* ~/.bash_login
* ~/.profile
* ~/.bashrc
* ~/.bash_logout
* function
* alias
* lists
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00:36:19 |
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Customize or write simple scripts
Description: Candidates should be able to customize existing scripts,
or write simple new BASH scripts.
Key Knowledge Areas:
* Use standard sh syntax (loops, tests).
* Use command substitution.
* Test return values for success or failure or other information
provided by a command.
* Perform conditional mailing to the superuser.
* Correctly select the script interpreter through the shebang (#!) line.
* Manage the location, ownership, execution and suid-rights of scripts.
The following is a partial list of the used files, terms and utilities:
* for
* while
* test
* if
* read
* seq
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00:48:51 |
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SQL data management
Description: Candidates should be able to query databases and
manipulate data using basic SQL commands. This objective includes
performing queries involving joining of 2 tables and/or subselects.
Key Knowledge Areas:
* Use of basic SQL commands.
* Perform basic data manipulation.
The following is a partial list of the used files, terms and utilities:
* insert
* update
* select
* delete
* from
* where
* group by
* order by
* join
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00:22:36 |
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Install and configure X11
Description: Candidates should be able to install and configure X11.
Key Knowledge Areas:
* Verify that the video card and monitor are supported by an X server.
* Awareness of the X font server.
* Basic understanding and knowledge of the X Window configuration file.
The following is a partial list of the used files, terms and utilities:
* /etc/X11/xorg.conf
* xhost
* DISPLAY
* xwininfo
* xdpyinfo
* X
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00:32:53 |
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Setup a display manager
Description: Candidates should be able setup and customize a display
manager. This objective covers the display managers XDM (X Display
Manger), GDM (Gnome Display Manager) and KDM (KDE Display Manager).
Key Knowledge Areas:
* Turn the display manager on or off.
* Change the display manager greeting.
* Change default color depth for the display manager.
* Configure display managers for use by X-stations.
The following is a partial list of the used files, terms and utilities:
* /etc/inittab
* xdm configuration files
* kdm configuration files
* gdm configuration files
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00:30:04 |
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Accessibility
Description: Demonstrate knowledge and awareness of accessibility technologies.
Key Knowledge Areas:
* Keyboard Accessibility Settings (AccessX?)
* Visual Settings and Themes
* Assistive Technology (ATs)
The following is a partial list of the used files, terms and utilities:
* Sticky/Repeat Keys
* Slow/Bounce/Toggle Keys
* Mouse Keys
* High Contrast/Large Print Desktop Themes
* Screen Reader
* Braille Display
* Screen Magnifier
* On-Screen Keyboard
* Gestures (used at login, for example gdm)
* Orca
* GOK
* emacspeak
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00:10:17 |
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Manage user and group accounts and related system files
Description: Candidates should be able to add, remove, suspend and
change user accounts.
Key Knowledge Areas:
* Add, modify and remove users and groups.
* Manage user/group info in password/group databases.
* Create and manage special purpose and limited accounts.
The following is a partial list of the used files, terms and utilities:
* /etc/passwd
* /etc/shadow
* /etc/group
* /etc/skel
* chage
* groupadd
* groupdel
* groupmod
* passwd
* useradd
* userdel
* usermod
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00:38:51 |
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Automate system administration tasks by scheduling jobs
Description: Candidates should be able to use cron or anacron to run
jobs at regular intervals and to use at to run jobs at a specific
time.
Key Knowledge Areas:
* Manage cron and at jobs.
* Configure user access to cron and at services.
The following is a partial list of the used files, terms and utilities:
* /etc/cron.{d,daily,hourly,monthly,weekly}
* /etc/at.deny
* /etc/at.allow
* /etc/crontab
* /etc/cron.allow
* /etc/cron.deny
* /var/spool/cron/*
* crontab
* at
* atq
* atrm
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00:40:48 |
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Localisation and internationalisation
Description: Candidates should be able to localize a system in a
different language than English. As well, an understanding of why
LANG=C is useful when scripting.
Key Knowledge Areas:
* Locale settings.
* Timezone settings.
The following is a partial list of the used files, terms and utilities:
* /etc/timezone
* /etc/localtime
* /usr/share/zoneinfo
* Environment variables:
LC_*
LC_ALL
LANG
* /usr/bin/locale
* tzselect
* tzconfig
* date
* iconv
* UTF-8
* ISO-8859
* ASCII
* Unicode
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00:23:57 |
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Maintain system time
Description: Candidates should be able to properly maintain the system
time and synchronize the clock via NTP.
Key Knowledge Areas:
* Set the system date and time.
* Set the hardware clock to the correct time in UTC.
* Configure the correct timezone.
* Basic NTP configuration.
* Knowledge of using the pool.ntp.org service
The following is a partial list of the used files, terms and utilities:
* /usr/share/zoneinfo
* /etc/timezone
* /etc/localtime
* /etc/ntp.conf
* date
* hwclock
* ntpd
* ntpdate
* pool.ntp.org
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00:23:10 |
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System logging
Description: Candidates should be able to configure the syslog daemon.
This objective also includes configuring the logging daemon to send
log output to a central log server or accept log output as a central
log server.
Key Knowledge Areas:
* syslog configuration files
* syslog
* standard facilities, priorities and actions
The following is a partial list of the used files, terms and utilities:
* syslog.conf
* syslogd
* klogd
* logger
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00:24:26 |
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Mail Transfer Agent (MTA) basics
Description: Candidates should be aware of the commonly available MTA
programs and be able to perform basic forward and alias configuration
on a client host. Other configuration files are not covered.
Key Knowledge Areas:
* Create e-mail aliases.
* Configure e-mail forwarding.
* Knowledge of commonly available MTA programs (postfix, sendmail,
qmail, exim) (no configuration)
The following is a partial list of the used files, terms and utilities:
* ~/.forward
* sendmail emulation layer commands
* newaliases
* mail
* mailq
* postfix
* sendmail
* exim
* qmail
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00:17:11 |
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Manage printers and printing
Description: Candidates should be able to manage print queues and user
print jobs using CUPS and the LPD compatibility interface.
Key Knowledge Areas:
* Basic CUPS configuration (for local and remote printers).
* Manage user print queues.
* Troubleshoot general printing problems.
* Add and remove jobs from configured printer queues.
The following is a partial list of the used files, terms and utilities:
* CUPS configuration files, tools and utilities
* /etc/cups
* lpd legacy interface (lpr, lprm, lpq)
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00:36:39 |
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Fundamentals of internet protocols
Description: Candidates should demonstrate a proper understanding of
TCP/IP network fundamentals.
Key Knowledge Areas:
* Demonstrate an understanding network masks.
* Knowledge of the differences between private and public "dotted
quad" IP-Addresses.
* Setting a default route.
* Knowledge about common TCP and UDP ports (20, 21, 22, 23, 25,
53, 80, 110, 119, 139, 143, 161, 443, 465, 993, 995).
* Knowledge about the differences and major features of UDP, TCP and ICMP.
* Knowledge of the major differences between IPv4 and IPV6.
The following is a partial list of the used files, terms and utilities:
* /etc/services
* ftp
* telnet
* host
* ping
* dig
* traceroute
* tracepath
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01:04:10 |
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Basic network configuration
Description: Candidates should demonstrate a proper understanding of
TCP/IP network fundamentals.
Key Knowledge Areas:
* Demonstrate an understanding network masks.
* Knowledge of the differences between private and public "dotted
quad" IP-Addresses.
* Setting a default route.
* Knowledge about common TCP and UDP ports (20, 21, 22, 23, 25,
53, 80, 110, 119, 139, 143, 161, 443, 465, 993, 995).
* Knowledge about the differences and major features of UDP, TCP and ICMP.
* Knowledge of the major differences between IPv4 and IPV6.
The following is a partial list of the used files, terms and utilities:
* /etc/services
* ftp
* telnet
* host
* ping
* dig
* traceroute
* tracepath
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00:27:18 |
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Basic network troubleshooting
Description: Candidates should be able to troubleshoot networking
issues on client hosts.
Key Knowledge Areas:
* Manually and automatically configure network interfaces and
routing tables to include adding, starting, stopping, restarting,
deleting or reconfiguring network interfaces.
* Change, view, or configure the routing table and correct an
improperly set default route manually.
* Debug problems associated with the network configuration.
The following is a partial list of the used files, terms and utilities:
* ifconfig
* ifup
* ifdown
* route
* host
* hostname
* dig
* netstat
* ping
* traceroute
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00:19:51 |
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Configure client side DNS
Description: Candidates should be able to configure DNS on a client host.
Key Knowledge Areas:
* Demonstrate the use of DNS on the local system.
* Modify the order in which name resolution is done.
The following is a partial list of the used files, terms and utilities:
* /etc/hosts
* /etc/resolv.conf
* /etc/nsswitch.conf
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00:09:29 |
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Perform security administration tasks
Description: Candidates should know how to review system configuration
to ensure host security in accordance with local security policies.
Key Knowledge Areas:
* Audit a system to find files with the suid/sgid bit set.
* Set or change user passwords and password aging information.
* Being able to use nmap and netstat to discover open ports on a system.
* Set up limits on user logins, processes and memory usage.
* Basic sudo configuration and usage.
The following is a partial list of the used files, terms and utilities:
* find
* passwd
* lsof
* nmap
* chage
* netstat
* sudo
* /etc/sudoers
* su
* usermod
* ulimit
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00:35:04 |
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Setup host security
Description: Candidates should know how to set up a basic level of
host security.
Key Knowledge Areas:
* Awareness of shadow passwords and how they work.
* Turn off network services not in use.
* Understand the role of TCP wrappers.
The following is a partial list of the used files, terms and utilities:
* /etc/nologin
* /etc/passwd
* /etc/shadow
* /etc/xinetd.d/*
* /etc/xinetd.conf
* /etc/inetd.d/*
* /etc/inetd.conf
* /etc/inittab
* /etc/init.d/*
* /etc/hosts.allow
* /etc/hosts.deny
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00:21:06 |
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Securing data with encryption
Description: The candidate should be able to use puplic key techniques
to secure data and communication.
Key Knowledge Areas:
* Perform basic OpenSSH 2 client configuration and usage.
* Understand the role of OpenSSH? 2 server host keys
* Perform basic GnuPG configuration and usage.
* Understand SSH port tunnels (including X11 tunnels).
The following is a partial list of the used files, terms and utilities:
* ssh
* ssh-keygen
* ssh-agent
* ssh-add
* ~/.ssh/id_rsa and id_rsa.pub
* ~/.ssh/id_dsa and id_dsa.pub
* /etc/ssh/ssh_host_rsa_key and ssh_host_rsa_key.pub
* /etc/ssh/ssh_host_dsa_key and ssh_host_dsa_key.pub
* ~/.ssh/authorized_keys
* /etc/ssh_known_hosts
* gpg
* ~/.gnupg/*
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00:57:49 |
