The theory tag has no wiki summary.
1
vote
2answers
275 views
dhcpd pool exhaustion - What's the result?
I have a DHCP server that serves leases to several houndred, maybe up to a thousand, different clients on an average day. The pool consists of 242 IPs, and due to the highly dynamic nature of the ...
2
votes
1answer
75 views
Are there any other causes of this error that are NOT related to initial setup?
I'm trying to diagnose an issue at a customer site. They are receiving the following error:
A network-related or instance-specific error occurred while
establishing a connection to SQL Server
...
7
votes
4answers
2k views
Advantages of IPv4 over IPv6
In theory, how IPv4 is better than IPv6? I need only advantages of IPv4 for study purposes.
In another words - what are the pros of IPv4?
0
votes
3answers
223 views
What is a correct monitoring strategy for network services?
Take for example a host which monitored with nagios and check_mk. Now there are http and ssh servers running on it. What is the best monitoring strategy:
Monitor that sshd & apache process are ...
6
votes
1answer
393 views
What is theoretical maximum of TCP traffic over GigaEthernet?
What is theoretical maximum of TCP traffic over GigaEthernet ?
6
votes
4answers
297 views
Release Management for Infrastructure
Does anyone use release management principals for system administration of infrastructure in the same way it is done for software development?
I have been in the system administration field for more ...
2
votes
2answers
140 views
HFS theory: What else is there to a system other than a root filesystem?
I'm grokking the HFS linux standard documentation, and I can't move beyond this concept.
The concept I don't get can be demonstrated by the following quote:
The contents of the root filesystem
...
7
votes
13answers
10k views
Whats the average lifespan of a server?
i'd really like to know what the lifespan of a server is, or could be. Is there something like lifespan in the world of PCs at all? Lets assume it runs 24/7, how many hours/days/years/etc could it be ...
0
votes
3answers
3k views
Troubleshooting a network interruption
My company is pretty much entirely a Windows shop: Microsoft firewall, all Windows servers, etc etc. The hardware is mostly Cisco or Cisco-like.
For about three weeks, we've experienced "random" ...
4
votes
3answers
265 views
What if a computer with Ethernet
I'm just revising for an exam on Networks and Data Communications, and there's one thing I don't get about CSMA/CD and Ethernet. It's supposed to be fairly stable, for instance if a computer drops out ...
1
vote
2answers
87 views
Transaction Log a part of the server or database?
In practice (and in general) is a transaction log a part of the database server or is it a part of the database itself? I've not been able to locate information in this domain anywhere. I need the ...
2
votes
2answers
113 views
Radiation hardend systems on the cheap
Aside form the "buy really costly NASA stuff" solution, what can be done about running a system in high radiation environments like space? (This is mostly a thought experiment.)
Known Issues ...
