System Administration Administrivia

1
System Administration - Administrivia

• Prontuario - Please time-share and ask questions
• Info is in my homepage amadeus/noack/
• Make bookmark for ICOM5017 (still called 5995
  until I can change it)
• Page contains
• prontuario
• Links to old exams and labs
• Links to many security-related sites
• Link to text webpage
• Links to current assignments as developed
• Course includes
• Exams and lecture material
• Lab work
• Project (described in course page)
• Lab
• Partly in OS/Networking lab
• Individual programs, often using Linux or Minix
  source

2
System Administration - More Trivia

• Accounts already exist for most students
• Will be automatically created for others
• Lab instructor me open lab
• Please find me by e-mail - noack - or X3652
• Projects
• Info on course page
• Try to form groups soon - three or four people
• Project can be
• Demonstration and countermeasure for existing
  exploit
• Secure library modification Linux
• Study of insecurities and virus vulnerability in
  Linux

3
System Administration - Basics

• The primary tasks of the system administrator
• User management
• adding, watching, keeping them happy
• Data management
• backups, restoring, managing the volume
• Software and hardware management
• installation, configuration, licensing and such
• Network management
• Configuration, performance monitoring,
  interaction with others
• Security monitoring

4
User management

• Adding, monitoring, deleting accounts
• Monitoring resource usage
• Dealing with problem users
• Keeping the system user-friendly

5
Data management

• Backup and restore
• Types of backup
• Base
• Incremental
• Selective
• Plan for realities
• What are you protecting from
• Information security
• Who should know
• Sometimes not you

6
Software management

• Extensions of shell programming include
• PERL
• awk and sed
• ksh, csh, bash and other enhanced shells

7
Network management

• Configuration
• Performance
• Services
• Security (later in period)
• Web service

8
Hardware management

• Specification and system configuration
• Care
• Installation
• Troubleshooting (fault analysis)

9
Security monitoring

• System monitoring
• Threat analysis
• System repair