WWW0 (= INFO) OPERATIONS GUIDE
World Wide Web Server
Contents
- Machine Background
- Hardware Configuration
- Normal Reboot Procedure
- When it hungs
1: General
This machine is an information server
used to serve documentation on the
World-Wide Web to a global audience.
- Full host name
- www0.cern.ch , with
alias info.cern.ch
- IP address
- 128.141.201.214
- CPU
- Sparc-10
- OS
- Solaris (basically Unix SystemV)
- Serial number
- 342m0841
- Ethernet address
- 8:0:20:19:4:22
- Host ID
- 72707ac0
- Location
- x=27, y=54 on operator's
plan of the computer room.
The services it provides to the world
are:
- World Wide Web hypertext server
- Anonymous FTP site for WWW software
- Gopher site for WWW software
- Anonymous TELNET info server
It runs on UPS power and on a safe
power supply during UPS shutdown
periods, and is used extensively
by European & US clients.
It is physically located in the computer
room (where the CRAY was).
The system consists of the following:
- System Console (grey FALCO terminal)
- System Processor includes Hard Disk
"c0t3d0" (grey large box containing
all system files)
- External Disk (grey box right to the System Console)
Monitoring of the WWW0 machine will
be through the Coms Alarm Display.
Therefore when a Red alarm appears,
in the format: "WARN MPMON No Response
from WWW0 type IPGW" first check
the machine for a response and if
there is none REBOOT.
Normal Reboot Procedure
1/ if rebooting over the internet, telnet www0 923
2/login: operator ; passwd in the usual place
3/ type: cd /
4/ type: sudo shutdown -i6 -y -g1
5/ You have to type the operator passwd once more
When it hangs:
1/ Press Break
If the boot prompt ( ">" or "ok")
does not appear, turn the power off,
wait 10 seconds, and then turn the
power on again.
2/ If the prompt is ">", type n
3/ Type "sync"
4/ Type "boot"
Power Off
1/ if rebooting over the internet, telnet www0 923
2/ login: operator ; passwd in the usual place
3/ type: cd /
4/ type: sudo shutdown -i0 -y -g1
5/ You have to type the operator passwd once more
Then turn off the workstation in
the following order:
1/ Monitor
2/ External Disk
3/ System unit
Power On
Turn on the workstation in the following
order:
1/ External Disk
2/ System unit
3/ Monitor
Then, you should have the prompt
"ok"
3/ Type: boot
The following people can be contacted
in case of problems:
- Tim Berners-Lee (CN DCI 1 R-007)
tel 37 55/82 65
- Arthur Secret (CN DCI 1 R-007)
tel 37 55/82 65
- Ari Luotonen (ECP PT 1 R-007) tel
85 83/50 05
- The password is in the usual place.