Exam Details for 201
*Exam 201: Detailed Objectives
* This is a required exam for LPI certification Level 2. It covers advanced
system administration skills that are common across all distributions of Linux.
* Each objective is assigned a weighting value. The weights range roughly from 1 to 10, and indicate the relative importance of each objective. Objectives with higher weights will be covered in the exam with more questions.
* Topic 201: Linux Kernel
* 2.201.1 Kernel Components
¡@Modified: 2001-August-24
¡@Maintainer: Kara Pritchard
¡@Weight: 1
* Description: Candidates should be able to utilize kernel
components that are necessary to specific hardware, hardware drivers, system
resources and requirements. This objective includes implementing different types
of kernel images, identifying stable and development kernels and patches, as
well as using kernel modules.
* Key files, terms, and utilities include:
¡@zImage
¡@bzImage
* 2.201.2 Compiling a kernel
¡@Modified: 2001-August-24
¡@Maintainer: Kara Pritchard
¡@Weight: 1
* Description: Candidates should be able to properly compile
a kernel to include or disable specific features of the Linux kernel as necessary.
This objective includes compiling and recompiling the Linux kernel as needed,
implementing updates and noting changes in a new kernel, creating a system initrd
image, and installing new kernels.
* Key files, terms, and utilities include:
¡@/usr/src/linux/
¡@/etc/lilo.conf
¡@make options (config, xconfig, menuconfig, oldconfig, mrproper zImage, bzImage,
modules, modules_install)
¡@mkinitrd (both Red Hat and Debian based)
¡@make
* 2.201.3 Patching a kernel
¡@Modified: 2001-August-24
¡@Maintainer: Kara Pritchard
¡@Weight: 2
* Description: Candidates should be able to properly patch
a kernel for various purposes including to implement kernel updates, to implement
bug fixes, and to add support for new hardware. This objective also includes
being able to properly remove kernel patches from existing production kernels.
* Key files, terms, and utilities include:
¡@Makefile
¡@patch
¡@gzip
¡@bzip
* 2.201.4 Customizing a kernel
¡@Modified: 2001-August-24
¡@Maintainer: Kara Pritchard
¡@Weight: 1
* Description: Candidates should be able to customize a kernel
for specific system requirements by patching, compiling, and editing configuration
files as required. This objective includes being able to assess requirements
for a kernel compile versus a kernel patch as well as build and configure kernel
modules.
* Key files, terms, and utilities include:
¡@/usr/src/linux
¡@/proc/sys/kernel/
¡@/etc/conf.modules, /etc/modules.conf
¡@patch
¡@make
¡@modprobe
¡@insmod, lsmod
¡@kerneld
¡@kmod
* Topic 202: System Startup
* 2.202.1 Customizing system startup and boot processes
¡@Modified: 2001-August-24
¡@Maintainer: Kara Pritchard
¡@Weight: 2
* Description: Candidates should be able to edit appropriate
system startup scripts to customize standard system run levels and boot processes.
This objective includes interacting with run levels and creating custom initrd
images as needed.
* Key files, terms, and utilities include:
¡@/etc/init.d/
¡@/etc/inittab
¡@/etc/rc.d/
¡@mkinitrd (both Red Hat and Debian scripts)
* 2.202.2 System recovery
¡@Modified: 2001-August-24
¡@Maintainer: Kara Pritchard
¡@Weight: 3
* Description: Candidates should be able to properly manipulate
a Linux system during both the boot process and during recovery mode. This objective
includes using both the init utility and init= kernel options.
* Key files, terms, and utilities include:
¡@inittab
¡@LILO
¡@init
¡@mount
¡@fsck
* Topic 203: Filesystem
* 2.203.1 Operating the Linux filesystem
¡@Modified: 2001-August-24
¡@Maintainer: Kara Pritchard
¡@Weight: 3
* Description: Candidates should be able to properly configure
and navigate the standard Linux filesystem. This objective includes configuring
and mounting various filesystem types. Also included, is manipulating filesystems
to adjust for disk space requirements or device additions.
* Key files, terms, and utilities include:
¡@/etc/fstab
¡@/etc/mtab
¡@/proc/mounts
¡@mount and umount
¡@sync
¡@swapon
¡@swapoff
* 2.203.2 Maintaining a Linux filesystem
¡@Modified: 2001-August-24
¡@Maintainer: Kara Pritchard
¡@Weight: 4
* Description: Candidates should be able to properly maintain
a Linux filesystem using system utilities. This objective includes manipulating
a standard ext2 filesystem.
* Key files, terms, and utilities include:
¡@fsck (fsck.ext2)
¡@badblocks
¡@mke2fs
¡@dumpe2fs
¡@debuge2fs
¡@tune2fs
* 2.203.3 Creating and configuring filesystem options
¡@Modified: 2001-August-24
¡@Maintainer: Kara Pritchard
¡@Weight: 3
* Description: Candidates should be able to configure automount
filesystems. This objective includes configuring automount for network and device
filesystems. Also included is creating non ext2 filesystems for devices such
as CD-ROMs.
* Key files, terms, and utilities include:
¡@/etc/auto.master
¡@/etc/auto.[dir]
¡@mkisofs
¡@dd
¡@mke2fs
* Topic 204: Hardware
* 2.204.1 Configuring RAID
¡@Modified: 2001-August-24
¡@Maintainer: Kara Pritchard
¡@Weight: 2
* Description: Candidates should be able to configure and implement
software RAID. This objective includes using mkraid tools and configuring RAID
0, 1, and 5.
* Key files, terms, and utilities include:
¡@/etc/raidtab
¡@mkraid
* 2.204.2 Adding new hardware
¡@Modified: 2001-August-24
¡@Maintainer: Kara Pritchard
¡@Weight: 3
* Description: Candidates should be able to configure internal
and external devices for a system including new hard disks, dumb terminal devices,
serial UPS devices, multi-port serial cards, and LCD panels.
* Key files, terms, and utilities include:
¡@/proc/bus/usb
¡@XFree86
¡@modprobe
¡@lsmod
¡@lsdev
¡@lspci
¡@setserial
¡@usbview
* 2.204.3 Software and kernel configuration
¡@Modified: 2001-August-24
¡@Maintainer: Kara Pritchard
¡@Weight: 2
* Description: Candidates should be able to configure kernel
options to support various hardware devices including UDMA66 drives and IDE
CD burners. This objective includes using LVM (Logical Volume Manager) to manage
hard disk drives and particitions as well as software tools to interact with
hard disk settings.
* Key files, terms, and utilities include:
¡@/proc/interrupts
¡@hdparm
¡@tune2fs
¡@sysctl
* 2.204.4 Configuring PCMCIA devices
¡@Modified: 2001-August-24
¡@Maintainer: Kara Pritchard
¡@Weight: 1
* Description: Candidates should be able to configure a Linux
installation to include PCMCIA support. This objective includes configuring
PCMCIA devices, such as ethernet adapters, to autodetect when inserted.
* Key files, terms, and utilities include:
¡@/etc/pcmcia/
¡@*.opts
¡@cardctl
¡@cardmgr
* Topic 209: File and Service Sharing
* 2.209.1 Configuring a samba server
¡@Modified: 2001-August-24
¡@Maintainer: Kara Pritchard
¡@Weight: 5
* Description: The candidate should be able to set up a Samba
server for various clients. This objective includes setting up a login script
for Samba clients, and setting up an nmbd WINS server. Also included is to change
the workgroup in which a server participates, define a shared directory in smb.conf,
define a shared printer in smb.conf, use nmblookup to test WINS server functionality,
and use the smbmount command to mount an SMB share on a Linux client.
* Key files, terms, and utilities include:
¡@smbd, nmbd
¡@smbstatus, smbtestparm, smbpasswd, nmblookup
¡@smb.conf, lmhosts
* 2.209.2 Configuring an NFS server
¡@Modified: 2001-August-24
¡@Maintainer: KKara Pritchard
¡@Weight: 3
* Description: The candidate should be able to create an exports
file and specify filesystems to be exported. This objective includes editing
exports file entries to restrict access to certain hosts, subnets or netgroups.
Also included is to specify mount options in the exports file, configure user
ID mapping, mount an NFS filesystem on a client, using mount options to specify
soft or hard and background retries, signal handling, locking, and block size.
The candidate should also be able to configure tcpwrappers to further secure
NFS.
* Key files, terms, and utilities include:
¡@/etc/exports
¡@exportfs
¡@showmount
¡@nfsstat
* Topic 211: System Maintenance
* 2.211.1 System logging
¡@Modified: 2001-August-24
¡@Maintainer: Kara Pritchard
¡@Weight: 1
* Description: The candidate should be able to configure syslogd
to act as a central network log server. This objective also includes configuring
syslogd to send log output to a central log server, logging remote connections,
and using grep and other text utils to automate log analysis.
* Key files, terms, and utilities include:
¡@syslog.conf
¡@/etc/hosts
¡@sysklogd
* 2.211.2 Packaging software
¡@Modified: 2001-August-24
¡@Maintainer: Kara Pritchard
¡@Weight: 1
* Description: The candidate should be able to build a package.
This objective includes building (or rebuilding) both RPM and DEB packaged software.
* Key files, terms, and utilities include:
¡@/debian/rules
¡@SPEC file format
¡@rpm
* 2.211.3 Backup operations
¡@Modified: 2001-August-24
¡@Maintainer: Kara Pritchard
¡@Weight: 2
* Description: The candidate should be able to create an offsite backup storage plan.
* Topic 213: System Customization and Automation
* 2.213.1 Automating tasks using scripts
¡@Modified: 2001-August-24
¡@Maintainer: Kara Pritchard
¡@Weight: 3
* Description: The candidate should be able to write simple
Perl scripts that make use of modules where appropriate, use the Perl taint
mode to secure data, and install Perl modules from CPAN. This objective includes
using sed and awk in scripts, and using scripts to check for process execution
and generate alerts by email or pager if a process dies. Candidates should be
able to write and schedule automatic execution of scripts to parse logs for
alerts and email them to administrators, synchronize files across machines using
rsync, monitor files for changes and generate email alerts, and write a script
that notifies administrators when specified users log in or out.
* Key files, terms, and utilities include:
¡@perl -MCPAN -e shell
¡@bash, awk, sed
¡@crontab
¡@at
* Topic 214: Troubleshooting
* 2.214.2 Creating recovery disks
¡@Modified: 2001-August-24
¡@Maintainer:Kara Pritchard
¡@Weight: 1
* Description: Candidate should be able to: create both a standard
bootdisk for system entrance, and a recovery disk for system repair.
* Key files, terms, and utilities include:
¡@/etc/fstab
¡@/etc/inittab
¡@* Any standard editor
¡@* Familiarity with the location and contents of the LDP Bootdisk-HOWTO
¡@/usr/sbin/rdev
¡@/bin/cat
¡@/bin/mount (includes -o loop switch)
¡@/sbin/lilo
¡@/bin/dd
¡@/sbin/mke2fs
¡@/usr/sbin/chroot
* 2.214.3 Identifying boot stages
¡@Modified: 2001-August-24
¡@Maintainer: Kara Pritchard
¡@Weight: 1
* Description: Candidate should be able to: determine, from
bootup text, the 4 stages of boot sequence and distinguish
¡@between each.
* Key files, terms, and utilities include:
¡@* boot loader start and hand off to kernel
¡@* kernel loading
¡@* hardware initializiation and setup
¡@* daemon initialization and setup
* 2.214.4 Troubleshooting LILO
¡@Modified: 2001-August-24
¡@Maintainer: Kara Pritchard
¡@Weight: 1
* Description: Candidate should be able to: determine specific
stage failures and corrective techniques.
* Key files, terms, and utilities include:
¡@/boot/boot.b
¡@* Know meaning of L, LI, LIL, LILO, and scrolling 010101 errrors
¡@* Know the different LILO install locations, MBR, /dev/fd0, or primary/extended
partition.
¡@* Know significance of /boot/boot.### files
* 2.214.5 General troubleshooting
¡@Modified: 2001-August-24
¡@Maintainer: Kara Pritchard
¡@Weight: 1
* Description: 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.
* Key files, terms, and utilities include:
¡@/proc filesystem
¡@Various system and daemon log files in /var/log/
¡@/, /boot, and /lib/modules
¡@* screen output during bootup
¡@* kernel syslog entries in system logs (if entry is able to be gained)
¡@* location of system kernel and attending modules
¡@dmesg
¡@/sbin/lspci
¡@/usr/bin/lsdev
¡@/sbin/lsmod
¡@/sbin/modprobe
¡@/sbin/insmod
¡@/bin/uname
¡@strace
¡@strings
¡@ltrace
¡@lsof
* 2.214.6 Troubleshooting system resources
¡@Modified: 2001-August-24
¡@Maintainer: Kara Pritchard
¡@Weight: 1
* Description: A candidate should be able to identify, diagnose
and repair local system environment.
* Key files, terms, and utilities include:
¡@/etc/profile && /etc/profile.d/
¡@/etc/init.d/
¡@/etc/rc.*
¡@/etc/sysctl.conf
¡@/etc/bashrc /etc/ld.so.conf
¡@* (or other appropriate global shell configuration files)
¡@*Core system variables
¡@* Any standard editor
¡@/bin/ln
¡@/bin/rm
¡@/sbin/ldconfig
¡@/sbin/sysctl
* 2.214.8 Troubleshooting environment configurations
¡@Modified: 2001-August-24
¡@Maintainer: Kara Pritchard
¡@Weight: 1
* Description: A candidate should be able to identify common
local system and user environment configuration issues and common repair techniques.
* Key files, terms, and utilities include:
¡@/etc/inittab
¡@/etc/rc.local
¡@/etc/rc.boot
¡@/var/spool/cron/crontabs/
¡@/etc/`shell_name`.conf
¡@/etc/login.defs
¡@/etc/syslog.conf
¡@/etc/passwd
¡@/etc/shadow
¡@/etc/group
¡@/etc/profile
¡@/sbin/init
¡@/usr/sbin/cron
¡@/usr/bin/crontab
Exam Details for 202
* Exam 202: Detailed Objectives
* This is a required exam for LPI certification Level 2. It covers advanced
network administration skills that are common across all distributions of linux.
* Each objective is assigned a weighting value. The weights range roughly from 1 to 10, and indicate the relative importance of each objective. Objectives with higher weights will be covered in the exam with more questions.
2.205.1 Basic networking configuration
Modified: 2001-August-24
Maintainer: Kara Pritchard
Weight: 5
Description: The candidate should be able to configure a network
device to be able to connect to a local network and a wide-area network. This
objective includes being able to communicate between various subnets within
a single network, configure dialup access using mgetty, configure dialup access
using a modem or ISDN, configure authentication protocols such as PAP and CHAP,
and configure TCP/IP logging.
*Key files, terms, and utilities include:
/sbin/route
/sbin/ifconfig
/sbin/arp
/usr/sbin/arpwatch
/etc/
2.205.2 Advanced Network Configuration and Troubleshooting
Modified: 2001-August-24
Maintainer: Kara Pritchard
Weight: 3
Description: The candidate should be able to configure a network
device to implement various network authentication schemes. This objective includes
configuring a multi-homed network device, configuring a virtual private network
and resolving networking and communication problems.
*Key files, terms, and utilities include:
/sbin/route
/sbin/route
/sbin/ifconfig
/bin/netstat
/bin/ping
/sbin/arp
/usr/sbin/tcpdump
/usr/sbin/lsof
/usr/bin/nc
Topic 206 Mail & News
2.206.1 Configuring mailing lists
Modified: 2001-August-24
Maintainer: Kara Pritchard
Weight: 1
Description: Install and maintain mailing lists using majordomo. Monitor majordomo problems by viewing majordomo logs.
*Key files, terms, and utilities include:
Majordomo2
2.206.2 Using Sendmail
Modified: 2001-August-24
Maintainer: Kara Pritchard
Weight: 4
Description: Candidates should be able to manage a Sendmail configuration including email aliases, mail quotas, and virtual mail domains. This objective includes configuring internal mail relays and monitoring SMTP servers.
*Key files, terms, and utilities include:
/etc/aliases
sendmail.cw
virtusertable
genericstable
2.206.3 Managing Mail Traffic
Modified: 2001-August-24
Maintainer: Kara Pritchard
Weight: 3
Description: Candidates shold be able to implement client mail
management software to filter, sort, and monitor incoming user mail. This objective
includes using software such as procmail on both server and client side.
*Key files, terms, and utilities include:
procmail
.procmailrc
2.206.4 Serving news
Modified: 2001-August-24
Maintainer: Kara Pritchard
Weight: 1
Description: Candidates should be able to install and configure
news servers using inn. This objective includes customizing and monitoring served
newsgroups.
*Key files, terms, and utilities include:
innd
Topic 207 DNS
2.207.1 Basic BIND 8 configuration
Modified: 2001-August-24
Maintainer: Kara Pritchard
Weight: 2
Description: The candidate should be able to configure BIND
to function as a caching-only DNS server. This objective includes the ability
to convert a BIND 4.9 named.boot file to the BIND 8.x named.conf format, and
reload the DNS by using kill or ndc. This objective also includes configuring
logging and options such as directoryh location for zone files.
*Key files, terms, and utilities include:
/etc/named.conf
/usr/sbin/ndc
/usr/sbin/named-bootconf
kill
2.207.2 Create and maintain DNS zones
Modified: 2001-August-24
Maintainer: Kara Pritchard
Weight: 3
Description: The candidate should be able to create a zone
file for a forward or reverse zone or root level server. This objective includes
setting appropriate values for the SOA resource record, NS records, and MX records.
Also included is adding hosts with A resource records and CNAME records as appropriate,
adding hosts to reverse zones with PTR records, and adding the zone to the /etc/named.conf
file using the zone statement with appropriate type, file and masters values.
A candidate should also be able to delegate a zone to another DNS server.
*Key files, terms, and utilities include:
contents of /var/named
zone file syntax
resource record formats
dig
nslookup
host
2.207.3 Securing a DNS server
Modified: 2001-August-24
Maintainer: Kara Pritchard
Weight: 3
Description: The candidate should be able to configure BIND
to run as a non-root user, and configure BIND to run in a chroot jail. This
objective includes configuring DNSSEC statements such as key and trusted-keys
to prevent domain spoofing. Also included is the ability to configure a split
DNS configuration using the forwarders statement, and specifying a non-standard
version number string in response to queries.
*Key files, terms, and utilities include:
SysV init files or rc.local
/etc/named.conf
/etc/passwd
dnskeygen
Topic 208 Web Services
2.208.1 Implementing a web server
Modified: 2001-August-24
Maintainer: Kara Pritchard
Weight: 2
Description: Candidates should be able to install and configure
an Apache web server. This objective includes monitoring Apache load and performance,
restricting client user access, configuring mod_perl and PHP support, and setting
up client user authentication. Also included is configuring Apache server options
such as maximum requests, minimum and maximim servers, and clients.
*Key files, terms, and utilities include:
access.log
.htaccess
httpd.conf
mod_auth
htpasswd
htgroup
2.208.2 Maintaining a web server
Modified: 2001-August-24
Maintainer: Kara Pritchard
Weight: 2
Description: Candidates should be able to configure Apache
to use virtual hosts for websites without dedicated IP addresses. This objective
also includes creating an SSL certification for Apache and defining SSL definitions
in configuration files using OpenSSL. Also included is customizing file access
by implementing redirect statements in Apache's configuration files.
*Key files, terms, and utilities include:
httpd.conf
2.208.3 Implementing a proxy server
Modified: 2001-August-24
Maintainer: Kara Pritchard
Weight: 2
Description: Candidates should be able to install and configure
a proxy server using Squid. This objective includes impelementing access policies,
setting up authentication, and utilizing memory usage.
*Key files, terms, and utilities include:
squid.conf
acl
http_access
Topic 210 Network Client Management
2.210.1 DHCP configuration
Modified: 2001-August-24
Maintainer: Kara Pritchard
Weight: 2
Description: The candidate should be able to configure a DHCP
server and set default options, create a subnet, and create a dynamically-allocated
range. This objective includes adding a static host, setting options for a single
host, and adding bootp hosts. Also included is to configure a DHCP relay agent,
and reload the DHCP server after making changes.
*Key files, terms, and utilities include:
dhcpd.conf
dhcpd.leases
2.210.2 NIS configuration
Modified: 2001-August-24
Maintainer: Kara Pritchard
Weight: 1
Description: The candidate should be able to configure an NIS
server and create NIS maps for major configuration files. This objective includes
configuring a system as a NIS client, setting up an NIS slave server, and configuring
ability to search local files, DNS, NIS, etc. in nsswitch.conf.
*Key files, terms, and utilities include:
nisupdate, ypbind, ypcat, ypmatch, ypserv, ypswitch, yppasswd, yppoll, yppush,
ypwhich, rpcinfo
nis.conf, nsswitch.conf, ypserv.conf
Contents of /etc/nis/: netgroup, nicknames, securenets
Makefile
2.210.3 LDAP configuration
Modified: 2001-August-24
Maintainer: Kara Pritchard
Weight: 1
Description: The candidate should be able to configure an LDAP
server. This objective includes configuring a directory hierarchy, adding group,
hosts, services and other data to the hierarchy. Also included is importing
items from LDIF files and add items with a management tool, as well as adding
users to the directory and change their passwords.
*Key files, terms, and utilities include:
slapd
slapd.conf
2.210.4 PAM authentication
Modified: 2001-August-24
Maintainer: Kara Pritchard
Weight: 2
Description: The candidate should be able to configure PAM
to support authentication via traditional /etc/passwd, shadow passwords, NIS,
or LDAP.
*Key files, terms, and utilities include:
/etc/pam.d
pam.conf
Topic 212 System Security
2.212.2 Configuring a router
Modified: 2001-August-24
Maintainer: Kara Pritchard
Weight: 2
Description: The candidate should be able to configure ipchains
and iptables to perform IP masquerading, and state the significance of Network
Address Translation and Private Network Addresses in protecting a network. This
objective includes configuring port redirection, listing filtering rules, and
writing rules that accept or block datagrams based upon source or destination
protocol, port and address. Also included is saving and reloading filtering
configurations, using settings in /proc/sys/net/ipv4 to respond to DOS attacks,
using /proc/sys/net/ipv4/ip_forward to turn IP forwarding on and off, and usingtools
such as PortSentry to block port scans and vulnerability probes.
*Key files, terms, and utilities include:
/proc/sys/net/ipv4
/etc/services
ipchains
iptables
routed
2.212.3 Securing FTP servers
Modified: 2001-August-24
Maintainer: Kara Pritchard
Weight: 2
Description: The candidate should be able to configure an anonymous
download FTP server. This objective includes configuring an FTP server to allow
anonymous uploads, listing additional precautions to be taken if anonymous uploads
are permitted, configuring guest users and groups with chroot jail, and configuring
ftpaccess to deny access to named users or groups.
*Key files, terms, and utilities include:
ftpaccess, ftpusers, ftpgroups
/etc/passwd
chroot
2.212.4 Secure shell (OpenSSH)
Modified: 2001-August-24
Maintainer: Kara Pritchard
Weight: 2
Description: The candidate should be able to configure sshd
to allow or deny root logins, enable or disable X forwarding. This objective
includes generating server keys, generating a user's public/private key pair,
adding a public key to a user's authorized_keys file, and configuring ssh-agent
for all users. Candidates should also be able to configure port forwarding to
tunnel an application protocol over ssh, configure ssh to support the ssh protocol
versions 1 and 2, disable non-root logins during system maintenance, configure
trusted clients for ssh logins without a password, and make multiple connections
from multiple hosts to guard against loss of connection to remote host following
configuration changes.
*Key files, terms, and utilities include:
ssh, sshd
/etc/ssh/sshd_config
~/.ssh/identity.pub and identity, ~/.ssh/authorized_keys
.shosts, .rhosts
2.212.5 TCP_wrappers
Modified: 2001-August-24
Maintainer: Kara Pritchard
Weight: 1
Description: The candidate should be able to configure tcpwrappers
to allow connections to specified servers from only certain hosts or subnets.
*Key files, terms, and utilities include:
inetd.conf, tcpd
hosts.allow, hosts.deny
xinetd
2.212.6 Security tasks
Modified: 2001-August-24
Maintainer: Kara Pritchard
Weight: 3
Description: The candidate should be able to install and configure
kerberos and perform basic security auditing of source code. This objective
includes arranging to receive security alerts from Bugtraq, CERT, CIAC or other
sources, being able to test for open mail relays and anonymous FTP servers,
installing and configuring an intrusion detection system such as snort or Tripwire.
Candidates should also be able to update the IDS configuration as new vulnerabilities
are discovered and apply security patches and bugfixes.
*Key files, terms, and utilities include:
Tripwire
telnet
nmap
Topic 214 Network Troubleshooting
2.214.7 Troubleshooting network issues
Modified: 2001-August-24
Maintainer: Kara Pritchard
Weight: 1
Description: A candidates should be able to identify and correct common network
setup issues to include knowledge of locations for basic configuration files
and commands.
*Key files, terms, and utilities include:
/sbin/ifconfig
/sbin/route
/bin/netstat
/etc/network || /etc/sysconfig/network-scripts/
system log files such as /var/log/syslog && /var/log/messages
/bin/ping
/etc/resolv.conf
/etc/hosts
/etc/hosts.allow && /etc/hosts.deny
/etc/hostname || /etc/HOSTNAME
/sbin/hostname
/usr/sbin/traceroute
/usr/bin/nslookup
/usr/bin/dig
/bin/dmesg
host