1. CD-R, CD-RW, DVD-R, “robots

1. Speakers
2. Transformers, power supplies, UPS
3. Disk and tape drives
4. Monitors

1. Protect your backups
2. Limit system activity during dumps
3. Check your tapes regularly
4. Develop a tape rotation/life cycle
5. Design your data for optimum backup
6. What is the worst case scenario

1. ps
* ps aux
* ps lax
* ps eaf
2. top

1. -20 to +19 (Linux)
2. High nice value – low priority
3. Low nice value – high priority
4. nice programname
5. renice -5 8829
6. Use man for the details on these

1. PID: process ID number
2. PPID: parent PID
3. UID/EUID: real/effective user ID
1. the "owner" of the process
4. GID/EGID: real/effective group ID
5. Nice value
6. Control terminal

1. Process’s address space map
2. Current status (sleep stop run zombie)
3. Priority
4. Resources used
5. Signal mask
6. Owner

Changing root directory – chroot
Creating device files
Setting the clock
Raising resource limits/process priorities
Setting the system’s hostname
Configuring network interfaces
Shutting down the system

shutdown
halt and reboot
Send init a TERM signal
telinit

Level 0 – shutdown
Level 1 or S – single-user mode
Level 2 thru 5 – multi-user mode
Level 6 – reboot