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Questions tagged [maintenance]

maintenance is keeping hardware and/or software systems in a healthy state by performing tasks such as updating, cleaning or replacing parts.

maintenance is keeping hardware and/or software systems in a healthy state by performing tasks such as updating, cleaning or replacing parts.

245 questions
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4 answers

What is the ibdata1 file in my /var/lib/mysql directory?

Logging in to my Webmin control panel, I noticed that virtually all of my disk space is full. I searched for the ten largest files/ directories on my system and found that a file called ibdata1 is taking up around 94GB of space. It resides in my…
James
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3 answers

Disable all services, except ssh

How can I disable all services except ssh on modern (systemd based) linux distributions? I need to implement a maintenance mode. All these services need to be down: postgres postfix apache cups cron dovecot But ssh must not be shut down, since…
guettli
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7 answers

Does a server need a GPU?

Do I need a GPU on a text and console only server? No GPU as in no iGPU and dGPU. Im going to be using SSH, so I dont need a display out. Im using Linux, but the OS shouldn't affect the results
tymur999
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26
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4 answers

Maintenance page on nginx, best practices

I want to configure the server to show a maintenance page when it exist. I tried this code and works: location / { try_files /maintenance.html $uri $uri/ @codeigniter; } But I noticed it would be served with a 200 status code, and it can cause…
NeDark
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25
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13 answers

Anti-static wrist straps: are they worth it?

Do you use an antistatic wrist strap when working on hardware? Do they really work? Have you ever fried some hardware that would have been saved if you had been wearing one? I know some people who wear them religiously and others who say they are a…
Charles Roper
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4 answers

Determining LTO Cleaning Tape Expiration?

I have some LTO tape drives, and use cleaning tapes as required, but the lifetime of the cleaning tapes is not as predictable as I would have expected. I'm looking for a way to query the system, whether it be the robot (Quantum i6000) or Veritas…
Tim S.
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10 answers

Should core system servers be able to connect to the internet for maintenance/support?

A couple of our servers have Oracle maintenance licenses. Our hardware vendor asked there was internet connection in the server room. Our policy is that all machines in that room is isolated from the internet for security reasons. But the…
Ludwi
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6 answers

Any ideas on how to run maintenance on a site that is always under use?

I help out with a large gaming site in Australia. We run competitions from 7am local time to 1am the next day, every day of the week. We haven't skipped a day since the site was released. Naturally, this makes maintenance extremely hard to run, and…
cheese5505
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4 answers

haproxy: how to prepare a server maintenance without kicking app sessions?

The issue I'm using haproxy to load balance web servers. I use session persistence with additional cookies as some applications use session files and these are not synchronized between servers. I want to disable a server for maintenance, but without…
Christophe Drevet
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1 answer

How often should I scrub my RAID?

In general I would like to know how often a RAID array needs to be scrubbed. What contributes to the need to scrub more often (reading data?, writing data?, unexpected shutdowns?, drive age?, drive size?, number of users?, etc.)? I've been reading…
mrfred
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14
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1 answer

doveadm: Delete messages older than date

I've a situation where some users keep very old messages (+5 years) on their mailboxes that are just a waste of space and due to safety reasons should also be deleted. I find out that I could use doveadm for this, however running something…
TCB13
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14
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3 answers

DBA who is worried reorganizing or rebuidling indexes may cause data loss?

We have some databases with index fragmentation that is > 95%. As best I can tell the indexes have never been rebuilt much less reorganized. In years. (In fairness, these tables do seem to have auto-updated statistics enabled. Also in fairness, he…
Greg Hendershott
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9 answers

MMORPG server maintenance

It seems that most mmorpg games have some regular server maintenance, some every day, some once a week. What is it that they actually have to do, and why is it necessary ? If you start with such a project what can you do to avoid this ?
Zitrax
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3 answers

Heat Sink compound and older desktops and workstations

This is my first question asked on SF, so be gentle kids. As my desktops (approximately 110 or so) have begun to age and with my users resisting Windows 8, I've begun to notice an odd trend. We are primarily an HP shop. So the desktops I am having…
MikeAWood
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1 answer

What Data Center room routine maintenance tasks should be done?

Beyond the work done "inside" equipment (administration, programming, network config) there exists physical equipment and rooms. This physical room equipment needs care and feeding as well on a routine basis. So, the question is, for a generic data…
TheCleaner
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