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26 views

Analysing root cause of file system errors in Debian

My VPS hosting provider just helped me to restart my Debian VPS after it failed to reboot. He told me there were file system errors but told me to refer to the logs in order to find out what happened. ...
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0answers
492 views

CSF LFD suspicious process under user apache

I think my server got DOS'ed via HTTP(port 80). When I checked apache access log, it showed that specific IPs requested /GET/HTTP1.1 more than 150 times in a minute. And I've been trying to limit ...
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1answer
245 views

Recommended Nginx Configuration for High Traffic Website on Wordpress [duplicate]

We have a Wordpress based website that gets about 1.5 million pageviews per day. Maximum concurrent sessions reach up to 5000 users per minute at times. We have one web and one database server. Specs ...
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1answer
40 views

Are these disk errors cause for concern?

Every day I get an email from the logwatch program on our company web server. The server is running CentOS 6 and uses Apache, MySQL and PHP to serve web pages. It is a dedicated piece of hardware (not ...
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1answer
50 views

Is it possible to have 2 Error Logs per VirtualHost in Apache?

I have about 10 VirtualHosts and I like to keep the error_logs separated. Recently, I need to also have the error_logs all combined for some mod_security scanning. If I define 2 ErrorLogs for a test ...
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2answers
124 views

Getting 504 Browser Errors, SSH accessable

I'm getting a 504 Bad gateway error when I try to browse to my site directly by entering the URL, however I can SSH into the publicly accessible machine by using the ip address and the url instead of ...
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2answers
4k views

All Debian boot messages

How can the messages that scroll by when booting a Debian system be reviewed later? In other words, how can I review absolutely all of them conveniently? That's the important point to the question; ...
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2answers
163 views

How to introduce and detect errors in Twisted Pair cables [closed]

I am taught that Twisted Pair cables are twisted to cancel interference. Now, I have a CAT-5e crossed over cable of approximately 2 M in length. I removed the cable's cover and untwisted the wires. ...
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4answers
270 views

Can't rebuild RAID 5 Array

In a previous message I have asked how to rebuild a faulty disk in a RAID 5 array with 4 disks. I have mounted a new drive (drive 4) in place of the faulty one and started a rebuild. During the ...
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2answers
523 views

Mysql blocked my webserver max_connect_error reached [closed]

Last week end, one of my two webservers was blocked by mysql server. The result is all requests on that blocked webserver show a taylored error page. I'm thinking to implement a script to prevent ...
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1answer
2k views

Ethernet interface errors

My Ubuntu servers ethernet interface that connectes to ISP's multiplexer shows errors. Here is the snapshot: RX packets:204564288 errors:3193970 dropped:0 overruns:0 frame:3138402 ...
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3answers
10k views

Is it possible to create Custom Error Log in Apache 2?

I'd like to prepend the vhost name in my ErrorLog and then pipe it into a program I wrote. Is it possible to write Custom Error log format as it is with Access log?
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4answers
4k views

Hard drive read errors that… stop?

My story starts out quite simply. I have a light-duty server, running Arch Linux, which stores most of its data on a RAID-1 composed of two SATA drives. It was working without any problems for about ...
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2answers
1k views

Why am I getting TCP retransmission errors?

I have taken some transaction captures using WireShark. I have 3 servers, 1 web server connecting to an app server (locally) and then the same web server connecting to a remote app server... the ...
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votes
1answer
5k views

LVM is reporting I/O errors, but the disk reports no problems. Argh

I've started seeing errors reported by LVM on certain Logical Volumes (and by Xen when attempting to create virtual machines on these LVs). But I've run tests on the disk, and can't see any hardware ...
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1answer
460 views

sharepoint administrative server not started causing sharepoint deployment instability

When i deploy anything to a variety of sharepoint servers i get problems with some packages failing, from what i can see the only error given is as below. The timer job for this operation has been ...