Debian :: Computer Screen Freezes - Cannot Connect To Webserver
Feb 28, 2010
I installed debian server on a custom built intel computer, with a 2.5 ghz dual core processor, 3 Gb of ram and a 500 GB sata hdd, I had originally installed debian server to use it as a web server, but for some reason after a few hours it completely freezes, mouse wont move I cannot connect to the webserver or ftp server, I restarted it and it will do it again, it isnt a specific amount of time it just does it randomly sometimes it will take 2 hours another time it will take 2 days, anyone know what could be wrong, I am quite new to linux and am not sure exactly how to view logs and such.
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May 4, 2011
I just dusted off my old Compaq Prezeio 900Z. Unfortunately, when I try to install Ubuntu, it screen freezes on me and the computer restarts.
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Apr 18, 2010
I start using Ubuntu, after successfully installed it without any problem.Then I downloaded latest updates, etc. But,after installing a display driver, my computer freezes, refusing to go beyond the welcome screen. I tried several ways but could not solve the problem. So I decided to re-intall Ubuntu, download again the updates, again configure my settings, etc. herefore, I'd like to know whether there is any application to backup or to create a full image of a hard disk so as to avoid the long hours of re-installation.
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May 10, 2010
I have 2 computers with Ubuntu 10.04, when I VNC to the computer I want to control I get the first frame but no subsequent frames. However I can still control the computers mouse and action on anything I want to but I need to be in the same room to see the screen I am VNC'ing to, this sort of defeats the point of VNC as I would like to be able to control the computer from any room in the house.
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Apr 11, 2016
I recently installed Debian Jessie, and I am fairly new to Linux. I have both IceWeasel and Chromium, and every other time I try to use either, it freezes the whole computer, the screen shows only diagonal colors, and I have to hard boot. I have another windows and linux computer on this network with no problems at all. I have run checks on the ram on this computer which found no problems. Everything else on the computer works fine.
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May 9, 2010
Can Linux emulate a USB disk? Why would you want to do this you ask? Say you have a digital picture frame that uses a USB thumb drive you could connect your computer to it and quickly change what was on the screen. I realize you need some special hardware for this as both the PC and the frame would want to be USB masters. But there are USB transfer cables you can buy on-line that do USB master to master connections.
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Apr 17, 2009
I boot linux from a usb drive so I can carry my distro wherever I go - I've been doing it for quite some time now and it's always worked wonderfully. Problem: This morning my little cousin unplugged the computer WHILE I was booting into linux. Power loss has happened before, but with no ill effects. This time however, it's decided it won't boot. The screen clears, and just as GRUB is about to load, it freezes and the computer reboots over and over.
I booted to a LiveCD of Ubuntu to try and fsck the drive, but it won't mount the volume. I've worked with this install so long, and have customized it so much I **really** don't want to do a reinstall.. What can I do?
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May 14, 2015
Acer desktop m3641
mcp73 (the motherboard?)
Intel pentium dual cpu e2200
ram 2gb
hdd 300gb
The only os is debian and there is plenty of space on the hdd.
Symptoms: When I click on something, say Evolution or Empathy or Maps, about 1 in 5 times the screen will freeze and I have to switch the computer off and on again.
I had this problem with Wheezy and could not resolve it. In the past week I have installed Jessie 32bit and then Jessie 64bit and I get the same problem.
On downloading my copies of Jessie I have verified the md5 and sha.
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Jun 8, 2015
I am attempting to get Debian+Mate running on my laptop, with no success. I have not yet used Linux, but I do wish to climb out of the Window, and the Live session seems ideal to get a feel for Debian before finally abandoning Windows.
I got the Debian+Mate ISO file from the Debian website, and created a bootable USB stick. (Note : I have done this several times, getting new ISOs, and using Unetbootin, Universal USB Installer, and Linux Live installer; the result is always the same.)
When I boot the USB drive, all appears good at first. I get to the Debian (or Mate?) screen which is a pale jade green with a white squiggle in the middle region, with a panel at the top; this shows at left three options - applications, places, and system; and at right the correct time, a sound symbol,the wifi symbol, and a battery indicator. At the left of the screen in vertical arrangement there are 4 icons labelled computer, users home, install Debian Sid, and trash. On the bottom panel, at left there is a "button" for "click to hide all windows & show desktop", and at right 4 squares for workspaces.
There are also (temporary) windows that inform me that the battery is no good (I run on mains), and that there is no wifi connection established. These windows disappear in a minute or so.
The cursor moves ok. The only actions that it creates are the information drop-down texts that tell me what the headings mean - e.g. no connections when I hover the cursor above the wifi connections symbol.
But whatever I attempt to do - selecting any of the options - nothing happens. Everything except the cursor appears to be dead.
The machine that I am using is an old laptop that I use as a second computer. It has a SIS Mirage 3 graphics engine, which I gather may be a problem. I also tried the same procedure with my fairly modern ASUS laptop (NVidia graphics) with exactly the same results; it seems that NVidia graphics may also be problematic, judging from some posts on the web. I have also tried Debian+Cinnamon, again with the same outcome.
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Aug 30, 2015
This started happening after I started working on the kernel image and initramfs tools configurations basically started trying to make my system work the way I wanted.I can be doing anything like playing worms or being on this forum and the screen turns black but I don't lose energy just nothing shows on the screen and my keyboard doesn't respond the num lock doesn't turn either state,
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Mar 29, 2010
So it's a beautiful day and I'll be happily using my computer when I realise that the screen is no longer showing that I'm typing or moving my mouse (or finger across a touch-pad). I can leave my computer in this frozen/crashed state for hours. My only recourse is to drain the battery or hold down the power button until the computer shuts down. The computer is a Dell Inspiron 6400 laptop/notebook. As my memory serves, it has an ATI graphics thingy. Radeon 1400, maybe. But I've had the computer for years and this behaviour has emerged only the past couple of months, with seemingly increasing frequency.
The OS is
# uname -a
Linux polaris 2.6.32-trunk-amd64 #1 SMP Sun Jan 10 22:40:40 UTC 2010 x86_64 GNU/Linux
(aka Squeeze?)
Sometimes this happens within minutes of turning the computer on and logging into Gnome. Sometimes this happens only hours after I've started using the computer (mainly just surfing the web). Sometimes it is preceded by a loud boop sound and the following if I have console open, sometimes not. So maybe that's unrelated. But that happened just now so I thought I'd throw it in.
One weird thing: Usually this happens within an hour of starting to use the computer, but one occasion I noticed I had not had the problem for several hours. On that occasion, the only thing I noticed I was doing that was also unusual: I had turned on and forgotten about a kvm virtual machine. After I shut down the vm, I had about only a minute before the freeze. I'm surprised now that it hasn't frozen since I started typing thing. Maybe I should always keep this forum open in a browser window.
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Apr 15, 2015
For months I've been experiencing periodic screen freezes in Debian Jessie. I've tried many ways to debug/fix it without any luck...
I'm running GNOME 3 in Debian Jessie...
Code: Select all$ gnome-shell --version
GNOME Shell 3.12.2
$ cat /etc/issue
Debian GNU/Linux 8
l
On a ThinkPad X60 with a SSD.
Code: Select all$ lspci | grep VGA
00:02.0 VGA compatible controller: Intel Corporation Mobile 945GM/GMS, 943/940GML Express Integrated Graphics Controller (rev 03)
My screen freezes periodically.
By freeze, I mean that the mouse can still move, but everything else behind it is frozen entirelyI can switch to a terminal with CTRL+ALT+F1, it's ... I guess... X or gnome-shell or something that's frozen? Not the whole OS thoughThese freezes last anywhere between 5 or 10 seconds and 3-5 minutesI can't predict when they will occur, but often, after a suspend/resume, they will start occuring much more frequently. Also, they often happen after I enter my password and press ENTER on the lock screen after a resume from suspend. But not exclusively -- they can happen at any other time when I'm doing pretty much anything in GNOME...
Things I've Tried...
When frozen, I've tried to CTRL+ALT+F1, login, and run gnome-shell --replace... [*[When frozen, I can successfully CTRL+ALT+F1 and run `service gdm restart`... with the obvious downside of losing everything I have open. But the screen responds immediately and I can log back in to GNOMEI tried running `Xorg -configure` to generate an /etc/X11/xorg.conf file to edit, but received an error about not being able to generate configuration for multiple screens or something (I can retry and provide the exact error if this is a useful direction to try) is it the gnome-shell freezing? Is it X? Is it a problem with the X driver I'm using?
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May 1, 2011
when Gnome starts my Desktop completely freezes. So I decided to reinstall and install Gnome2. When Debian is freshly installed I still need to configure and install my ATI 6950 Graphic card and the X config. Since the latest drivers from ATI I can use the --initial config from ATI. This all seems to work. But also when I use Gnome2 my screen completely freezes. I don't see any special things in my logs. I do remember that with my previous PC I had the same problem. This was the "first" reason why I left Debian for my desktop.
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Feb 22, 2011
I have a Ubuntu server (10.10) setup with apache and is being port NAT'ted via firewall from outside to the webserver.I am able to access the webserver from inside LAN but not from outside. NATs are working fine because I can see the traffic come through on tcpdump but the webserver will not respond to the request from outside ip address.Here are the tcpdumps.
10:11:58.939005 IP 12.xxx.xxx.6.10146 > 172.16.2.100.80: Flags [S], seq 3098920688, win 65535, options [mss 1380,nop,nop,nop,nop], length 0
10:12:01.898852 IP 12.xxx.xxx.6.10146 > 172.16.2.100.80: Flags [S], seq 3098920688,
[code]....
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Jul 13, 2011
I have a problem with garbled graphics after resuming from hibernate or logging out (when the screen blinks and goes back to the display manager). It only occurs when I do either, about half the time. What happens is the edges of everything "bleed" horizontally (left to right) in red and green colors and black text on a white background becomes entirely unreadable (but white text on a black background is readable and just looks a little bolder). If I shut down or restart the computer (softly) when the screen has garbled, then it will freeze and not even the SysRq keys work (I have enabled it in /etc/sysctl.conf). Then the only thing left is to do a hard restart (in which case there's a voice saying "System failed VGA test" before BIOS/GRUB loads) or poweroff. Powering it off and then starting it again works fine. I did a google image search and this is sort of how it looks when it freezes: link
Once the screen has garbled (but only if it hasn't frozen) I can use SysRq to issue S E S I S U O to shut it off and then power it on, and that works: then I get a non-garbled command line after sigterm and it shuts off and starts up properly. If I issue B instead of O (to restart) I get the "System failed VGA test" on boot (but it doesn't freeze when shutting down). Hibernation is easy enough to fix by just turning it off (it's not a laptop so I don't need it anyway), but it still happens sometimes when I log out. So as long as I never change users the system works perfectly and this never happens. I've tried GNOME, Xfce4, OpenBox without any DE, gdm3 and SLiM and the problem persists in all of them.
Some system details:
Debian Squeeze i386 (using only software from the stable main repository)
Kernel: 2.6.32-5-686
Video card: ATI Radeon 9600SE (using the preinstalled open source drivers)
Motherboard: ASUS P4P 800-E
By the way: sometimes when it's in the process of shutting off (when the display hasn't been corrupted), after it kills all graphical applications, I can see that the CLI text gets the garbled look, but at that point the poweroff works without freezing. This is the most similar sounding bug that I could find: [URL]. Unfortunately I can't find a solution to it, and most people who have similar problems seem to get either the garbled graphics or the freezes, but not both. Also: how safe is it to keep shutting off with SysRq to recover from this? Can I get disk errors?
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Dec 18, 2009
Ok let's say I have Apache Webservers on 2 different machines within my network, I have http://outterABC.com setup at dyndns.org to point to my modem at home, and my router forwards Port 80 to the ServerA Machine (i.e. 192.168.0.3). I can access my webpage I setup for the Server A Machine.
But what I want to try and do is somehow access my ServerB machine's website that is on my same network. I tried something like this http://ServerB.outterABC.com and the apache page came up with something like the page wasn't available. I want to access the content of the ServerB website, but because I have only one router, i can only forward Port 80 site traffic to my ServerA machine's website. I'm sure it's a different syntax I should use but i'm just not sure what I should enter to bring up the apache root web page for the Server B website via http://outterABC.com
I tried setting up DNS A records on ServerA, but I don't think it will work with what i'm trying to do above.
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Jan 9, 2011
I installed squeeze on my eeepc 1015ped and downloaded the correct firmware-brcm80211 drivers but every time I scan for my network using iwconfig wlan0 scan or wicd, my computer completely freezes. I previously had a solid install running xmonad, and wicd was working like a charm (using the same broadcom driver) but i tinkered too much with it and decided to do a fresh install. I haven't quite run into a problem like this before.
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Feb 19, 2015
From time to time system freezes with no particular motive but most often when watching you tube video in full screen mode. How to diagnose freeze, hang, blocking problems in debian jessie system amd 64 gnome 3?
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Jul 16, 2010
I have an old laptop (Acer TravelMate 350TE) which I would like to turn into a router. So, I downloaded i386 - Small CD and installed to that computer. Setup finished, system restarted but computer stuck at grub screen. A menu comes like this:But neither enter button nor arrow keys are working. How can I solve this ?
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Feb 27, 2011
I recently installed Debian squeeze on one of my older pcs. I have had this computer for a long time with windows so I know there is no hardware issue. About half an hour after being turned on in Debian the computer goes to a black screen and the num lock caps lock and scroll lock keys flash.
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Feb 9, 2011
I have installed debian on my laptop and included during the installation the webserver version. Now I want to develop a page locally to test it before I put it on the web. I first had an old reflex, jumping straight away and installing xampp. But then I thought that I already all that it takes as I installed the webserver feature of debian. I installed phpmyadmin ( with the command #apt-get install phpmyadmin) as to be able to create and attribute databases but when I try to log in I have the following message:
"Error
#2002 - The server is not responding (or the local MySQL server's socket is not correctly configured)"
I googled but I cannot find the mysql.conf (I searched using "find") but with no result. It is all very blury what is going on with this webserver option running on my laptop...
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Jun 3, 2015
I am running Debian 8 with the Xfce Desktop Environment.
I was unhappy with the lock screen on Xfce so I removed xscreensaver and wrote a short custom locking script, which basically involves using i3lock along with some additional commands to make things pretty. I was able to change the default locking behaviour by modifying /usr/bin/xflock4 to run my_lock.sh.
Unfortunately, no lock screen appears whenever I suspend ie after waking the computer from suspension I don't need to type a password in. I would like to force Xfce to lock the screen with my_lock.sh before actually suspending, but I don't know how to do this.
I know that Xfce runs Code: Select allxfce4-session-logout -s when suspending, but xfce4-session-logout is a binary file which I cannot edit.
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May 22, 2011
Downloaded and copied to a usb pen drive the latest debian testing snapshot netinstall iso:
wget url
then
dd if=debian-testing-amd64-netinst.iso of=/dev/sdb
Everything went fine, even the install part.After the 1st boot, problems started. I've never seen so much errors after a first install and probably they are all reported.
1. ata_id[297]: HDIO_GET_IDENTITY failed for '/dev/sdb'
2. mkdir: cannot create directory `/run/udev/rules.d/': Read-only file system
3. startpar: service(s) returned failure: udev ... failed!
4. INIT: Id "co" respawning too fast: disabled for 5 minutes
5. eth0 doesn't automatically start; one has to start it via ifup eth0
After that, installed a minimal xserver-xorg-core, xserver-xorg-video-radeon and kde-plasma-desktop.
I'm unable to use the newly DE environment, the screen just freezes, I'm guessing because of the udev error.
I have to restart via Magic SysRQ key:
Alt+PrtScr+S > Alt+PrtScr+U > Alt+PrtScr+B
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Mar 3, 2011
The server I'm running runs Debian Etch, Squid and Shorewall. Every 24 hours the server gets a new internet IP so I need to use dyndns to keep the dns pointing to the correct PC.
I have a webserver that is running behind the debian server and am having trouble with it. When I enter the web address, it gets a timeout.
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May 26, 2011
I need to setup a web server with apache (worker) and php. What is the cleanest way to this with Debian Squeeze?
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Aug 13, 2009
I'm not sure if it is the connection I'm losing or something else is happening and I just can't fathom it out.
I have set up Debian from netinstall. I installed openssh server and Apache. The server is connected to our local network with the IP address 192.168.0.51 and shares a physical port on a simple ethernet switch.
I can SSH into the server from Ubuntu but it takes around one minute to ask for a password and another 20 seconds or so to bring up the prompt. I have checked twice to make sure their are no conflicting IP addresses on the network (all static). The connection seems fine but if I am away from the secure shell for more than a couple of minutes or I minimize the terminal window I can no longer type anything at the remote machines prompt. Reconnection without restarting the server is impossible on most attempts and the terminal just hangs before the password prompt appears.
I have the same kind of issue with Apache. I can view Apaches test index.html using just the IP address from my browser but after a few minutes I get the 'connecting to 192.168.0.52' in the status bar and it never reconnects.
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Mar 15, 2011
I recently installed Ubuntu on my spare comp.
It freezes after about 10 seconds after logging in. I don't know why this happens.
It's a Dell Dimensions 4100. Installation went fine. I did everything, didn't skip any checks. It finished normally.
And now my hopes of another working computer have gone down the drains.
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May 29, 2011
I've a new Dell Precision T1500, Core i5, 8gb RAM, nvidia graphics card, that seems to freeze after some hours. I'm not sure how long exactly, more than two hours at least.
OS: Ubuntu 11.04
Cause: leave computer turned on, unattended for some time >2hrs.
Symptom: Screens are blank, no response to keyboard or mouse input, reboot is only way to rectify.
Things I've tried:Turn off screen saver
Disable "Sync to VBlank"
Disable screen power management, screen stays "on" always
So far none of these have corrected the issue. The screens are still on, but there is nothing displayed. Same thing did happen with Ubuntu 10.10, I'd hoped maybe 11.04 would fix it, alas, no.
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Nov 1, 2010
I am having serious trouble getting Debian to install over our LAN using PXE/syslinux, a custom preseed.cfg, and the files from the DVD on a webserver. I think the problem is using the files from the DVD on the webserver instead of a mirror, but I believe this should be possible. I do not have enough space on the webserver to house an entire debian mirror.
[Code]...
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Aug 26, 2011
Trying to install and configure a webserver - With Postfix, Courier, MySQL And Squirrelmail. But I am stuck. Postfix mail system is not running. It seems to execute /etc/init.d/postfix start, but it really did not. reload; fatal: the Postfix mail system is not running. And in mail.log is that:
Master.cf: line 40: bad transport type: smtp_data_d$_done_timeout=1200
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