Accelerated
Linux Administration

Course Description

This crash-course in Linux system administration moves fast. It is designed for administrators of IT departments that are experienced administering UNIX systems.

 

Course Length

4 days.

Audience

Experienced UNIX administrators that need a fast, intense, varied Linux admin course. This course does not cover all of the fundamental Linux admin skills that are covered in the three course sequence Linux System Administration 1 through Linux System Administration 3.

 

Linux Distributions/ Versions

2.4, 2.6

Red Hat/SuSe/Knoppix/Debian/...

Installation

Hardware/ Device Files

/proc/pci

lspci

USB

usbview

lsusb

/dev/*

locate devices.txt

hwbrowser (RH specific)

hdparm

scsi_info

/proc/scsi/scsi

proc/*

memory (free, /proc/meminfo)

ifconfig

/etc/sysconfig/hwconf (RH specific)

date/hwclock

Documentation

man

info

.ps

.pdf

html

/usr/share/doc/*

Linux Documentation Project

google.com/linux

Config/log file difference

/etc/fstab vs. /etc/vfstab

/var/log/messages

Trouble Shooting

lsof

strace

ltrace

Admin Tools

Redhat:

Redhat-*

Setup

SuSe:

yast

Webmin

CUPS

SWAT

GUIs

X server

GNOME

KDE

Boot Sequence (RH specific)

etc/init.d

etc/rc*

etc/sysconfig/network*

locate sysconfig.txt

chkconfig

Storage Administration

disk device files

Disk (fdisk/parted) partitions

LVM

resizing fdisk partitions and LVM logical volumes

ext2/ext3/reiserfs

e2label

mount -o remount

Kernel

make xconfig et al.

Device Drivers

lsmod et al.

/etc/modules.conf

hotplug

cardmgr

GRUB

/etc/grub.conf

initrd

kernel command args

single user mode

system recovery

/proc/sys and ulimit

/proc/sys/*

/etc/security/limits.conf (RH specific)

/etc/sysctl.conf

RPM

rpm

redhat-config-packages

yast

yum

up2date

building from source

Network configuration (RH specific)

/etc/sysconfig/network*

ifup

ifdown

ip

Network Trouble shooting

tcpdump/ethereal

netstat

traceroute/tracepath/mtr

host

dig

strace

iptables -vL

Security

IP Tables

PAM + nsswitch.conf

/etc/pam.d/*

PaM documentation

authhconfig (RH specific)

Xinetd

TCP Wrappers

/proc/sys/net/*

ssh

sudo

UNIX integration/

NFS + NIS differences from Solaris

NFS:

/etc/exports

kernel nfs server, nfs client

NFS versions

NIS:

Makefile

Config files

XDMCP

Samba/Windows integration

Samba

rdesktop

vfat/nfts

captive NTFS

Misc

locate

bash

GNU commands (--long options, e.g. ls --color)

CD Burners