CentOS 5 Server :: 5.3 Network Stops Responding?
Apr 24, 2009
after a update to 5.3 from 5.2 via the built in updater the system stops responding to visitors from the outside, http that is, but heres the odd part, if i say run firefox on the server the connection works also for some reason if i'm on the network with my own computer the connection seems to stay open but as soon as i stop using these the server seems to drop the conenctions, but as i said as soon as i go via my comp to the server via say ie it works right away.
this i tried yesterday:did a cold boot to see if some update had problems and actually needed a reboot even if the updater didn't say, after it started the connection seemed to be open for a good while, and not untill this morning from a outside source the connection is droped again, not been on my comp nor logged on on the server today yet.the install only has on it what i got from the dvd, and as far as i know it has all the updates on it since 5.3 came out.my network is built up like this:
modem
|
firewall-switch-computers
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Jan 9, 2010
I was wondering if anyone else has noticed the following behavior lately. Sometimes, when I enter a directory, during the generation of thumbnails nautilus freezes up with 100% cpu use. It has to be killed. It will then happen whenever I try to enter that specific directory with nautilus (although access with Konqueror or command-line is fine). Turning off the previews allows nautilus to enter that directory (usually... once even that didn't work). If I create a new directory and move all the files from the troublesome directory into the new directory, I can enter the new directory with nautilus and it works fine, even with thumbnails turned on. I can even rename that directory to the same name as the problematic one had and it will work. Long ago this behavior used to happen very rarely, then it seemed to be fixed, and now it is happening again but fairly frequently.
I was just wondering if anyone else has experienced this and, if so, do they know what is causing it? A simple solution is to turn off thumbnails but I'd prefer another solution.
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Apr 6, 2010
I recently decided to install Ubuntu and I went through all of the steps to set up a subversion server using svnserve. It all works except for one thing: it stops responding to remote computers after a while.I have the server on a 4 port wireless router/switch in my dorm room. I set up port forwarding so that the server receives all traic over the correct ports. The subversion server AND the default http server on Ubuntu work fine always as long as I access them from a computer connected to the switch in my room.The problem is that if I try to access it from anywhere else, it won't respond at all unless it has been accessed by a computer on the switch recently (something like 30-60 minutes). So to fix it I have to go back to my room and access it from a computer on the switch. Then it will work from anywhere for another 30-60 minutes.
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Dec 28, 2010
I've had a VPS running Ubuntu 9.10 x64 server, hosting 3 websites of mine for a few months now. This problem has been happening for a while. Every once in a while, probably every 2 or 3 days, I'll wake up in the morning, and apache won't be responding, no web pages will load. /etc/init.d/apache2 status, reports that apache is functioning properly. Every time I simply have to restart the daemon and things run fine for another few days.
I thought maybe it was a memory issue, so I lowered the MaxClients in the prefork module from 50 to 30 a few days ago, but the same thing is still happening. My VPS has 512MB of ram, burstable to 1GB, and according to Virtuozzo, there was only one night of high traffic where I even came close to that soft limit. I've checked my syslog, and there's absolutely nothing in there about apache. I've checked apache's error.log as well, and there's nothing in there that would indicate a problem either.
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Jun 12, 2010
Fedora 13 stops responding during an open session. I am not able to open a terminal or any application, although the mouse still works. I able to get to the shutdown menu, although the system will not shutdown. The only option I have is to do a hard rebootfter a reboot, I am able to log on again and the system performs normal for a few minutes. After a few minutes the system freezes again except for the mouse
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May 2, 2010
I've been using 10.04 since just before the release candidate, currently I've installed a clean full install of 10.04 and I've been experiencing random nonresponse times with my system. I could just be sitting here reading some email or visiting a web page and suddenly the system will just stop responding.
When this happens nothing responds. No mouse, no keyboard, nothing. It's a total lockup. This problem wasn't happening with any of the Ubuntu releases before 10.04 but something with 10.04 doesn't seem to like my system. My system is an AMD X4 Phenom processor with 7GB of ram, ATI video, etc. It's a fairly nice system and this nonresponse issue is really starting to annoy me.
Is anyone else having a similar issue? I'm going to download the 32bit version and install it to see if the problem happens there too. Not sure on how to track down what could be happening as it really look like its random at this point. Pretty strange and very frustrating. I suppose if I can't figure it out, I can just reinstall 9.10 for now.
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Sep 15, 2010
I know this is the kind of vague post that people hate. But I'm having a problem. Every now and then (several times a day), my computer stops responding for several seconds.
I notice it most in Firefox. If I'm typing information in a form (like this one) on a web page, everything just stops. If I keep typing, the text eventually appears, apparently having been stored in a keyboard buffer.
But it's not just in Firefox. I have had the same problem in OpenOffice applications. Things just stop. The computer apears to "think" for several seconds, and then things continue.
After several seconds, everything is okay. So some people may say that this is normal. And while I'm no guru, I have been around computers for a long time, so I remember back in the day when this happened all the time. But I haven't seen it (at least to this extent) in previous versions of Ubuntu (or in Windows).
It's a serious problem.
what I should look at? I have a feeling that there is some setting somewhere (cache, etc.) that is set wrong.
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Jan 10, 2010
There seems to be an issue with my mouse. This issue is present whether working in Ubuntu 9.10, or Windows 7. The mouse stops responding for a moment or two every little bit. At first I thought the problem came from power management, but that doesn't seem to be it. I tried disabling hpet, and a host of other things. Nothing works at all, and yes, I tried using another mouse. my system is nice and new
K9N6PGM2-v main
N260GTX OCv4 graphics
Phenom x3 proc
logitech nX80 mouse
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Apr 14, 2010
resolve an issue with Evolution Mail, I normally keep in runningbut when i return in the morning almost every time it has stopped responding. I have to close, or force close, then restart to get it to check for mail and run normally
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Jul 5, 2010
I am using a 64 bit version of Ubuntu 10.04 on my Dell Studio. Sometimes my computer stops responding. I wouldn't say completely frozen, kinda semi-freeze. I am able to see the mouse pointer move and also when I move the mouse pointer over the Maximize, Minimize or Close buttons, the buttons get highlighted but I am unable to click on them. Alt+Tab key combination to move to another window doesn't work either. I experienced the same problem when using Ubuntu 9.10 64 bit for which reason I dumped Ubuntu then.
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Dec 6, 2010
I'm having some trouble with Evolution. I have set up two IMAP accounts and ne POP account. Whenever I leave Evolution running for a while, work with something else and then get back to check my email it won't show new emails for the IMAP accounts. In the "progress bar" at the bottom it shows:Ping server XXX (0% complete) Checking new emails (0% complete) nd this seems to go on and on, I've waited for abt.0 minutes for it to finish pinging and checking for new emails but it doesn't stop. The P account works fine. If I however close Evolution and then start it again it immediately check and show new email in the IMAP accounts. Is there any solution to this
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Sep 16, 2010
I got this error when opening phpmyadmin, I check that my mysql is keep automatic closed.
#2002 - The server is not responding (or the local MySQL server's socket is not correctly config).
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Jan 2, 2011
I am running CentOS 5.2 on a server here in my home. It runs Dovecot and Postfix and also serves as a website host for a small website of mine. Everything works fine. POP, SMTP, Webmail, WWW, all works great and has for ages.Here's the issue. I recently reinstalled a clean copy of Windows 7 on a workstation in my home onto a new harddrive(I still have the old drive int he machine so I can boot to it as well). I setup the Windows Live Mail client to send/receive mail with my mail/web server. However, it won't connect to the POP server on my server machine.Here's the kicker. If I boot to the old harddrive that is running Windows 7, it connects fine to my mailserver and can send/receive just fine. I've checked, rechecked and rechecked and all mail settings on the mail clients on both drives are identical.
Note: The installations of Windows 7 on both drives is identical. Same computer name/ same credentials, same IP, etc. However, as I stated, I can send/receive email with my server if I boot to my old drive, but if I boot to my new drive, I cannot send/receive.
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Feb 28, 2010
I've been working on getting NoMachine and FreeNX working together ... and they're both working well, listening on different ports (guess I should write a howto). At some point I decided to write an init script to control FreeNX behaviour (start, stop, status, setup), since the Ubuntu version has one (called freenx-server) and openSUSE doesn't, but I noticed that it was not necessary, as FreeNX got started automatically... but how ? I could not find any init.d script or command which would start the FreeNX server. Indeed it wasn't actually running :
Code:
neelix:~ # /usr/bin/nxserver --status
NX> 100 NXSERVER - Version 3.2.0-73 OS (GPL, using backend: 3.2.0)
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Jan 28, 2016
Running Debian 8, thunar 1.6.3. Randomly thunar stops redrawing and stops responding to mouse and keyboard input.
This is annoying because I usually have a handful of tabs open and I "lose my place."
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Dec 2, 2010
I have a Microsoft Wireless Keyboard 3000 v2 and Microsoft Explorer Mouse Model 1362. The biggest issue I have right now is with the keyboard. The keyboard will start cutting out and not responding to keys. As soon as the cpu load drops then all is well. I have a PS2 keyboard that I keep plugged in just in case the load stays high and I need to type something. The mouse and the keyboard have seperate usb dongles, and when the keyboard is having issues the mouse is still working great. This tells me that either the USB radio for the keyboard gets turned off, or that something on my machine is weird. I have seen the EXACT same behaviour on 32bit and 64bit linux distros.
CPU: AMD X3 720 oc'ed to 3.22GHZ
MOBO: Biostar
RAM: 8GB
Video: HIS ATI 4890 (using FGLRX)
HD: Samsung 1TB 7200RPM drive
OS: Ubuntu 10.10 (tested also with Fedora 14, OpenSUSE 11.3)
Note: it happens with very little load and high load. Of course high load it happens all the time.
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Jul 12, 2011
I have a WD Caviar Green 2TB drive installed into a NAS server. Without any explanation, randomly, usually after several days of uptime, the drive stops responding completely to the SATA bus.The syslog shows:
Code:
Jul 12 23:23:20 nas kernel: [4160863.587301] ata3.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen
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May 11, 2011
My config works fine when enabled but after an hour the site stops responding at all. When I restart, flush or disable iptables it works fine again. Wondered if anyone could see any glaring errors I've made
# Generated by iptables-save v1.3.5 on Tue May 10 17:06:48 2011
*mangle
:PREROUTING ACCEPT [6034:13920296]
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Dec 8, 2010
5.5 (64bit). My server goes into non responding state where I can't telnet, ftp or ssh server whereas PING is the only thing which works at that time. I need to hard reboot server to get it back online. This is happening very frequently in fact yesterday and today server went inaccessible. which log file should I look into to find out the reasons of this inaccessibility?
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Jun 24, 2009
i have a RAM of 1 Gb & swap of 1Gb with fedora11 installed, initially in RAM programme memory uses around 300 Mb & cache uses 600-700 Mb , but after some time it starts using swap memory though my programme memory is still around 300 mb, it keeps on increasing swap memory as a result my system keeps on slowing down & finally when swap memory is 100% system almost stops responding but programme memory is still around 300mb.
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Jun 7, 2011
If an application stops responding how do I force it to quit without rebooting
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Mar 4, 2011
I am bit new to Linux and have setup caching-only name server with Centos 5.5. when i do dig server, it provide resolutions. but when i use the server IP as DNS on my windows client, it says, "connection refused" on the NSlookup output. (IP table didn't enable) My server Ip is 192.168.1.253 and bellow is the configuration of "/var/named/chroot/etc/named.conf"
options {
listen-on port 53 { 127.0.0.1; 192.168.1.253; };
listen-on-v6 port 53 { ::1; };
directory "/var/named";
dump-file "/var/named/data/cache_dump.db";
statistics-file "/var/named/data/named_stats.txt";
memstatistics-file "/var/named/data/named_mem_stats.txt"; .....
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Jan 6, 2010
I have installed bootpd-dd2 and enabled and configured it with xinetd. 1. Made sure that their is a bootptab file and it is configured. 2. Tested the bootpd is working by runing the command /usr/sbin/bootptest cmdbfs .3. tail -f the /var/log/messages and saw the requests from the test.4. rebooted a machine that is configured to pxe boot.there is no messages by bootpd when a request is made.request is picked up by network monitor on a seperate computer on the proper udp port
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Sep 29, 2010
So I've got a 500gb ext4 formatted drive I use for backup, and I'm trying save my personal files from my laptop's hard drive (the laptop power supply just died) but whenever I try to copy+paste something from the NTFS laptop drive to the ext4 drive, nautilus freezes up, and suddenly both of my CPU cores hit 100% and Ubuntu is using 1.6GB of RAM, from like 200MB when it's idle.
I'm using 10.04
Pentium D 2.4Ghz Dual
2GB RAM
The laptop drive is a 5000RPM 250GB Sata, NTFS partition is 125GBThe backup drive is a 7200RPM 500GB Sata, ext4 partition is 500GB
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Nov 30, 2010
My synaptic stops responding when I try to clear cache of old deb install packages
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Jul 26, 2011
My trusty 11.04 x64 Ubuntu desktop machine stopped booting up properly about 2 weeks ago - it goes through Grub and into Plymouth, but then freezes and stops responding to keyboard input either on a dark purple screen, or less often the same but with the Ubuntu logo and the 5 boot progress circles but with none of them lit up. I can hit escape early on after grub and see initialisation reports showing everything successful (other than a fail on "Automatic crash report generation") - up to a line saying "Stopping System V runlevel compatibility [OK]", at which point it freezes.
Going into recovery mode allows me to fsck the disk (which is fine, and smartctl reports all attributes as fine), fix packages (which I have done a number of times, to no avail) and boot into safe graphical mode, which works fine, albeit only on one monitor and with very poor graphics performance, obviously. As the machine was borked and everything was backed up on my fileserver anyway, I decided to nuke it and give Fedora a go (I've been using Ubuntu since Feisty and it was a good time to try something else). Fedora was fine (and worked with the default nouveau driver), but I didn't like it, so after less than 24 hours away from the fold I decided to come back to Ubuntu.
At least a reinstall should fix the problem with booting, right? Wrong! The live CD worked fine, installed perfectly, and the machine behaved itself upon first reboot - at which point I ran apt-get dist-upgrade, restarted, and blam - right back where I started. Updated vanilla Ubuntu 11.04 will not boot. Has Ubuntu released a dodgy package that has broken my x server? I don't want to have to go back to 10.10 -
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Jan 13, 2010
So I'm in need of VM'ing a couple OS's to keep from repartitioning and dual booting my desktop. The first I'm trying to boot is a 64bit version of windows (have XP and 7 disc, trying XP for now) as I need to convert some of my work's ancient programs that still use DOS functions.
I choose Virtualbox over VMware just for the sake of VB being in the repos. Install and initial config went fine, but when I try to start (run) the VM the screen goes black, then the computer completely stops responding and needs a hard reboot. Pasting what I believe to be the error part in the log. If you need the entire log I can email or host it - too big for a post. Kernel Version - 2.6.32-trunk-amd64. Debian Sid
Short Version:
Code:
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Aug 7, 2011
On my virtual server I had the same issue within the last three month. The postfix daemon stopped working suddenly and I don't know why. I can restart postfix normally and it's working normally for a couple of weeks until the next crash. Does anyone have the same problems with CentOS 5.6 and postfix?
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May 30, 2009
BAM your ftp doesn't work. Out of the blue my ftp connections stall when I ask for a directory listing. I am using ncftp as I have for several years. And after a long pause I get the answer:Data connection timed out.Falling back to PORT instead of PASV mode.I then get the listing and the connection continues in PORT mode. But not with FileZilla it just hangs. Also bit torrent no longer works. Set up is a home network of 6 machines reaching the internet through a linux firewall box, qwest DSL modem gt-701-gw. Nothing has changed but sometime in the last week something has changed because now FTP PASV and BIT TORRENT can no longer connect.
I am holding back from completely rewritting the iptables/shorewall rules and have spent the day with the website host 1 and 1 and Qwest. Trying to find a solution. This problem is universal, all machines (windoze and linux) and all software (coffeecup, ncftp, ftp, filezilla, bit torrent).
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Jul 19, 2009
After "yum install emacs" & "yum install emacs-ess", I was able to install emacs on my X86_64 running Fedora 10.
If I run one session of emacs everything works fine.
Once I start a second session and try to resize or move the emacs window, the system stops responding.
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