Section 26.
Further Linux
courses.
"The more
you learn, the more you know, the more you know, the more
you forget, the more you forget the less you know. So why
learn?"
Anonymous.
26. Further courses.
26.1. More advanced shell scripts.
More advanced shell scripting
for systems administration.
Setting up log
rotation.
Scripting
across multiple hosts.
Using the
pattern scanning and text processing language
awk.
Working with
the stream editor sed .
Setting up
local and remote backups.
Using wrapper
scripts.
26.2. Systems Admin Essentials
An introduction to the system
admins essential toolkit for running networked systems
including:
Domain Name
Services (DNS). Configuration of local and internet
domains including split horizon configurations.
Dynamic Host
Configuration (DHCP) and (BOOTP). How to
configure a fully featured DHCP server.
Syslog
configuration. Keeping an eye on the logs. Scanning and
processing.
Setting up and
using the network time protocol. NTP.
Setting up the
print server and using CUPS (common unix print
service).
26.3. Performance monitoring and management.
Process
control, background jobs, process priorities nice and
renice.
Identifying and
dealing with process hogs ps and top.
Scripted
monitoring of rogue processes.
Basic tools and
reporting
vmstat
mpstat
nfsstat
netstat
sar
(system activity reporting)
pacc
(process accounting)
ping,
traceroute and tcpdump.
26.4. Security basics.
An introduction to host based
and network security for Linux using commonly available open
source tools.
File access
controls.
An introduction
to the iptables firewall.
Secure
communications with Secure shell ( ssh, scp,
sftp).
Combining
ssh with other communication protocols. Operating
remote scripting with ssh.
Beyond
/etc/shadow. Setting up kerberos
authentication and authorisation.
Working with
SAMBA, the Windows file sharing and authentication
tool.
Integrating
with Windows Active Directory (AD)
Intrusion
detection.
Security
scanning tools.
Mapping the
network with nmap.
Working with
X windows.
26.5. Typesetting with nroff, groff, pic and table.
The groff and TEX
device independent typesetting and publishing tools provide
fast, flexible lightweight document processing with minimal
file storage requirements.
Whether manually entering at the
keyboard or generating reports automatically by combining
text processing tools with document publishing, these are
powerful tools the Linux systems administrator should
understand.
nroff and the
man macros.
groff/troff
the PIC
preprocessor (drawing).
Using tables
and tbl preprocessor.
Processing
output streams with sed and awk to prepare routine reports
in groff.
The TEX
alternative.
26.6. Email
Understanding the simple mail
transfer protocols SMTP and ESMTP.
The Mail User
Agent (MUA), Mail Delivery Agent (MDA) and
Mail Transport Agent. What they are and what they do.
Setting up a
host to receive and send internet mail.
Smart hosts and
mail hubs.
Managing
aliases
Automating
multi drop mail boxes, automatic replies and filtering using
procmail.
Setting up
Vacation, the Out of Office Assistant.
Filtering spam
with SpamAssassin.
Domain Keys
Identified Mail. (DKIM).
Delivery
Service Notification (DSN).
Digital
Signatures.
Message
confidentiality.
Data
Integrity.
Strong
Originator Authentication?
Non-repudiation.
Setting up mail
servers with POP, IMAP, MAPI. Access through
web pages.
Generating mail
stats.
