Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [diagnostic]

The tag has no usage guidance.

2
votes
3answers
5k views

(How) can I use syslog to diagnose mysterious crashes?

I run a LAMP stack on Ubuntu server. Twice today it has ground to a halt and required a hard reboot. Prior to this it had been stable for many months. It has been about a fortnight since the last ...
7
votes
3answers
899 views

How to troubleshoot Windows? Post your checklist [closed]

There is sometimes a situation when Windows suddenly goes crazy: is slow, unresponsive, some things don't work, it crashes. I wonder how do you approach diagnosing those issues. I'm merely a ...
6
votes
4answers
9k views

Methods for analyzing Red Hat sosreport output?

For some time (since EL 4.6), Red Hat has embedded a system report and troubleshooting tool into the operating system. The tool, sosreport, collects system information and settings and bundles it into ...
4
votes
1answer
6k views

Is there a complete reference for HP's diagnostic port 84 and/or port 85 codes?

The HP ProLiant DL580 systems (G5 is the one I'm interested in at the moment) have a two-digit 7-segment display on the system board (visible only inside the chassis) which displays various diagnostic ...
1
vote
2answers
879 views

Are my disks within this MSA storage failing?

When I go into my HP Array Configuration Utility, there is no errors and and warnings. No visible amber lights either. Should I swap out the disks? This Windows server lost the storage about 4 times ...