CentOS 5 :: After Update Doesn't Boot Al All
Nov 18, 2009
I have installed Centos and after few days I used it as a web server, database server (MySQL) and have some very important for me applications installed.
Today - I have read about "yum -update" function and I (a dummy one...) tried it. After some minutes the process was finished. But unfortunatelly - my server did not boot any more.
As startup options I have:
CentOS (2.6.18-164.6.1.el5)
CentOS (2.6.18.-164.6.1.el5PAE)
CentOS (2.6.18-128.2.1.el5PAE)
CentOS (2.6.18-128.2.1.el5)
CentOS (2.6.18-128.1.14.el5)
CentOS (2.6.18-92.el5)
I'm not sure what are these options. Anyway - I have tried to choose every one and the result is aways the same : red Hat Nash version 5.1.19.6 starting
Then starts the clock [ok],
Then starts the "udev" [ok]
And then My screen goes to suspend mode, with the text "no signal".
The most important thing is to backup the data from the hard disk. Do I have any chance to repair this installation ?
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Apr 6, 2009
I updated centos from 5.2 to 5.3 as recommended:
yum clean all
yum update glibc*
yum update
Update was successful (I didn't see any errors). Then I rebooted pc and found out that my web is extreamly slow. In httpd logs I found: php -> file_get_contents [URL] always dies (timeout error, but somedomain.com is fine, I can telnet it easy on 80) I was wounder if it's update problem and tried yum:
>yum update Loaded plugins: fastestmirror Determining fastest mirrors Could not retrieve mirrorlist http://mirrorlist.centos.org/?release=5&arch=i386&repo=os error was [Errno 4] IOError: <urlopen error (-3, 'Temporary failure in name resolution')> Error: Cannot find a valid baseurl for repo: base
so you doesn't work too... I have no proxies, I tried to reboot pc, I tried: yum clean all
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Jun 14, 2010
after i update my Server to 5.5 i get the following error
[root@Linux /]# yum update
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
Could not retrieve mirrorlist http://mirrorlist.centos.org/?release=5&arch=x86_64&repo=addons error was
[Errno 14] HTTP Error 407: Proxy Authentication Required
Error: Cannot find a valid baseurl for repo: addons
i export the proxy but still not working,
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Dec 24, 2010
I have installed ubuntu and Centos 5 , but when i do sudo update-grub , the new centos 5 is not detected. Some days ago i did the same (i installed ubuntu , and then Centos 5) , but i had to format the hard disk because some problems i had. The thing is that in that first time update-grub worked , but now not , why? Shouldn't be detected this time too? I have to manually add the new entry to the grub no?
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Mar 30, 2011
I'm using Ubuntu 10.10. It's the only OS I have on my laptop. I hadn't updated it for over two months, and one day I started the update. I downloaded about 300 MB of updates and then started installing. While it was doing its job applying all the updates it had downloaded I had some 2 or 3 PDF files open, Amarok and a folder. Suddenly the computer crashed; mouse was dead, so was the keyboard. The computer stopped completely; I wasn't able to reboot it even with "sys rq + R + E + I + S + U + B", to give an idea. I had to kill the power to shut the PC down. But then, when I tried to turn it back on, it started booting up and then the following text showed up (shown in-between quotes):
"
Begin: Loading essential drivers ... done.
Begin: Running /scripts/init-premount ... done.
Begin: Mounting root file system ... Begin: Running /scripts/local-top ... done.
Begin: Running /scripts/local-premount ... done.
[Code].....
I already tried to chroot into Ubuntu with the Ubuntu 10.10 Live CD, but when I mount the home partition and run "sudo chroot /media/Ubuntu", a message shows up that reads: "chroot: failed to run command `/bin/bash': Exec format error"
All I need is the log-on screen back on; a great deal of valuable information in the computer.
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Sep 10, 2011
I applied the Kernel update that showed in the updater via the GUI.It now won't boot anymore.Memory for crash kernel (0x0 to 0x0) notwithin permissible range.WARNING calibrate_APIC_clock: the APIC timer calibration may be wrong.
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Oct 24, 2010
I had a Centos 5.5 system working great...and then due to crazy curiosity, installed the kernel update. Did this through the graphical interface, uncheck all update other than kernel. It downloaded, installed fine..After reboot now all I get is GRUB_ and then nothing else! I waited 3-4 minutes and had to shut down system. Have been googling around but thought I will post it here as well..When I boot with Win7 and use Ext2fsd to check, the boot folder is empty. Not sure if this is because ext2fsd does not read boot folder or it got wiped out by the yum upgrade process.
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Oct 26, 2010
I have recently run an update and now we are unable to boot the newer kernel. We get stuck as below;
Memory for crash kernel (0x0 to 0x0) notwithin permissible range
Red Hat nash version 5.1.19.6 starting
Unable to access resume device (/dev/VolGroup00/LogVol06)
[Code]...
The kernel version we were at was 2.6.18-194.el5 and the update move us to 2.6.18-194.17.1.el5. I've done some googleing but I'm unable to work out exactly what I need to do. I'm guessing the new kernal is missing a module?
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Dec 21, 2009
I'm experiencing some rather severe problems after updating my Centos 5.4 system (Virtual Xen guest). What happens is that when the system boots it complains about missing .so files which prevents about 50% of the services installed from running.
I'm suspecting that it has something to do with selinux for two reasons: 1. The first services to go down complains about the security context of some files, and 2. selinux was kinda the reason I decided to update in the first place as it was disabled when it shouldn't be (enabled in system-config-securitylevel, disabled when running sestatus).
The whole boot-sequence ends with alot of "INIT: Id 'X' respawning too fast: disabled for 5 minutes"-messages (including all runlevels) before it goes stale, and I can do nothing.
The server in question had undergone very little tinkering from my part, pretty much none at all, the only services installed after installation was apache, mysql and webmin.
Details:
CentOS 5.4 is installed on both the host and guest.
The guest runs on an lvm-partition.
I have two other vm's(also CentOS) running just fine, altough I'm a bit weary of updating them .
Attached are some screenshots of the boot-process.
I hope some one here can share some insight on this problem. It's making me pretty nervous seeing that our whole network is run by CentOS-installations (not that I'm certain that CentOS is the culprit).
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Jul 21, 2011
I have installed Centos 5.6 on a fresh VPS. After install I ran yum update command. After update was finished I noticed a message saying "Your system kernel may have been updated. Current kernel (2.6.18-238.e15) has been changed to : 2.6.18-238.12.1.e15)". When I reboot, I see two boot option in GRUB. one is Centos 5.6 (2.6.18-238.12.1.e15) Default and other is Centos 5.6 (2.6.18-238.e15). When Centos boots from default, it fails with fatal error. But when I boot with other option, the system boots as normal.
I need to know how to resolve this situation. Why yum update results in Kernel update and 2nd option in GRUB boot loader. and why Centos refuses to boot with update Kernel.
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Aug 10, 2011
i want to know two thinsg about yum update
1) does it overwrite existing configuration files that is will i need to reconfigure every service after running yum update
2) If somebody pushes the reset button or electricity to the system is reset while yum update is running what will happen i think there can be two stages to that
a) if it is still downloading while the electricity to system is reset
b) it is installing while electricity to system is reset
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Jan 4, 2011
Ubuntu 10.10 doesn't boot at all. The liveCD only boots once every like 30 attempts, installing from liveCD froze, but the Alternate CD worked and installed ubuntu. Now when I try to boot into it using GRUB, it freezes at the beginning of the boot process.With normal boot it freezes at line: Starting AppArmor profiles Skipping profile in /etc/apparmor.d/disable: usr.bin.firefox.With recovery mode it freezes even before showing me anything
A little kinda like the liveCD, if I try like 30 times, it might manage to boot once in normal mode.That line keeps on repeating, the the xxx.xxx integer changes each time, and this goes on forever.I tried removing my floppy drive, but it didn't help.I tried to boot with fd0=noprobeThe one time it booted, when I restarted, it froze while trying to restart.
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Apr 20, 2011
Normally Update Manager always finds the update to the next version of Ubuntu. It still hasn't given me any notion whatoever. I allready changed the settings from regular to LTS, but nothing changes. There are updates to the kernel, but I cannot download them, so I'm kinda stuck here.
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Jun 23, 2011
I upgraded from 10.10 to 11.04 and when i try to check for updates in the update manager it says:
W:Failed to fetch http://ppa.launchpad.net/and471/kaza...source/Sources 404 Not Found
, W:Failed to fetch http://ppa.launchpad.net/and471/kaza...amd64/Packages 404 Not Found
[Code].....
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Apr 12, 2011
I have GNOME mplayer installed. Update Manager offers an update for it, "movie player for Unix-like systems," with the following:Changes for the versions:
2:1.0~rc4~try1.dsfg1-1ubuntu1
2:1.0~rc4~try1.dsfg1-1ubuntu1+medibuntu1
But when I tell Update Manager to perform the update it says,Requires installation of
[code]...
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Jul 14, 2011
I have Update Manager set to check for updates on a daily basis but to prompt me before downloading or installing them. Because I have Update Manager set to check on a Daily basis, I expect that I will receive a prompt that an update is available no later than the day after the update is available (assuming of course I have my computer turned on). Yet I only receive a prompt days or even a week after the update was made available.
For example, let's say that my PPA of Google Chrome issues an update on Tuesday. Despite the fact that my ubuntu computer was on for a couple hours in the morning on Wednesday, Thursday, and Friday, no update prompt appears alerting me to available updates. If I manually open Update Manager on Friday afternoon, then the update is there and waiting for installation. But how come I don't get an automatic prompt that an update is available? Do I have my settings wrong or something?
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Mar 21, 2011
I have used CentOS for a while and have never run into this issue. I searched all over and didn't see a similar issue anywhere, I did an install of CentOS as a server (no GUI) with only the base. Partition is /boot ext3, size of 100MB. The rest of the drive is partitioned as / with ext3. This is being done on a CompactFlash card of 32GB in size. The BIOS sees it as an IDE drive.
When the install completes and the system reboots, the grub stops at the grub> prompt. There is no menu for OS options. If I do the following commands:
grub>root (hd0,0)
grub>kernel /vmlinuz-2.6.18-194.el5 root=LABEL=/
grub>initrd /initrd-2.6.18-194.el5.img
grub>boot
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Jun 10, 2010
i wiped my entire hard drive that had xp as its only OS. I freshly installed a Windows 7 ultimate and everything went perfectly. I then decided to install 10.4. I split the partitions correctly (i had experience doing this already with my laptop, which has xp/10.4). Ubuntu 10.4 install went flawlessly, except for one thing. Now when i boot up the pc, it goes straight into 10.4. I have tried holding shift during the start up to force the boot menu, and it just shows the Ubuntu 10.4 OS as choices. Any clue what i could do to make Win7 appear in the boot menu?
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Jul 26, 2011
On two Centos5 servers, yum gives a segmentation fault error when trying 'yum update' or 'yum check-update' after running 'yum clean' :
[Code]....
The error is the same for the other computer except while attempting to update the rpmforge repository. Nothing has really changed on the servers in some time and 'yum update' worked fine on each yesterday and I have no idea why they would both suddenly fail!
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Mar 13, 2011
I use Fedora 13 x86_64. Recently i installed q4 wine and booting froze with message "registering binary handler for windows applications". Then on removing q4 wine boot froze at "unexpectedly disconnected from boot status daemon".I also removed wine, smolt.
[Code]..
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Sep 24, 2009
For some reason, when I do a yum check-update I get a list of no changed packages to install. If I follow this immediately with a yum update then it tries to install drbd83. I've tried a yum clean all and repeated the commands and get the same thing. This happens on both the machines that are set up to use DRBD. Just seems weird and I don't understand. Anyone got an explanation?
[root@here]# yum check-update
Loaded plugins: changelog, downloadonly, fastestmirror, priorities, protectbase,
: security
Loading mirror speeds from cached hostfile
* epel: www.mirrorservice.org
* base: mirror.sov.uk.goscomb.net
[Code]...
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Jul 13, 2010
I have a error when i want to update my system via YUMI execute the next command.sh@ yum -y updateYou could try using --skip-broken to work around the problemYou could try running:package-cleanup --problems package-cleanup --dupes rpm -Va --nofiles --nodigestThe program package-cleanup is found in the yum-utils package.
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Jun 27, 2009
This will be a little long (having read Phil's 'how to ask questions' FAQ). I'm trying to get OpenVPN working between my CentOS server and some Windoze laptops running XP. There seems to be plenty of sample
config files available, but to date, none of them have worked for me. Pulling out my trusty Wireshark, I've found some clues,
BACKGROUND:
My local subnet (NAT'ed by my gateway router) is 192.168.52.x. My router has been configured with a conduit (port-forward) for port 1194 (the standard OpenVPN port), which points towards my CentOS server.The CentOS server is .52.112, and the supplicant is .52.110. I have tried the lient both inside and outside my local subnet, with no difference in events or outcomes.
[Code]...
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Dec 9, 2009
My CentOS installation correctly recognize my video card and my monitor if I go to System->Preferences->Screen Resolution and set monitor refresh rate to 75 hz, everything works fine, but if I reboot, at startup refresh return to 60 hz.How can I save refresh rate value?
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Oct 22, 2009
Just checking to be sure. 5.3>5.4 update went without a hitch:) But a message ran about (/etc/yum.repo.d) CentOS-Base.repo.rpmnew. Comparing CentOS-Base.repo with the new one show the 1st has the correct priorities and .rpmnew does not have the correct priorities. Should I remove the *.rpmnew repo after making sure it otherwise is the same as the original CentOS-Base.repo?
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Mar 17, 2010
I am an old days RH release user(from 6.x) and just switching back from Debian/Ubuntu to CentOS on some servers, but I can not understand the kernel update strategy currently enabled in CentOS.There are two boxes, with almost identical installation, but recently there was an auto update of kernel on one box. This auto update also seems to issue an auto reboot on the machine, which is unacceptable on server machines.
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Aug 28, 2009
Is there something that blocks cron from running a shutdown command? I'm doing a daily bounce to break an attack (I have thread about that in security forum), but I always end up doing it manually. The cron log shows it being fired off at the right time...but the server never bounces. I thought maybe I just missed it, but there is nothing in messages that shows the server restarting (unlike when i do it manually, you see the start-up logging).
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Oct 24, 2009
After some testing for a couple of days, I decided to take the plunge and update all my 5.3 machines. Using the recipe from the release notes:
yum clean all
yum update glibc*
yum update yum* rpm* python*
yum clean all
yum update
shutdown -r now
I updated some guinea pigs that I had physical access to and didn't have any issues. So I remotely updated a small farm of LAMP machines that handle a couple of million page views per day. It took each machine approximately 5-6 minutes to download/install/reboot.
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Sep 23, 2009
My System:CentOS 5.2 X64RAIDFinished "yum update"about 400 packages has been updated.Boot show "grub>" after reboottab shows a lot of command
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Mar 21, 2011
I've been a long time Windows user, but I've started a small firm and because of lack of funds, I've decided to install Ubuntu on my company's PCs.I have 8 PCs in total - 6 of them with Intel CPUs, and the last two with AMD CPUs. I bought the extra two computers because I've managed to find an extra two people to work at my company, and AMD-based PCs are cheaper so I've decided to buy them instead of Intel.Long-story short, I've installed Ubuntu 9.10 and boot time takes about half-an-hour. After the computers finally boot, USB hardware doesn't work at all. I was forced to buy PS/2 keyboards & mice and they both work fine after the PCs boot.I don't know what's causing this delay.I've enabled Cool 'n Quiet from BIOS.I've tried several instructions like editing the /etc/modules file.I've installed cpufreqd, tried to configure it, but it didn't work.I've check the CPU stats and my CPUs are running at 800MHz. I can't believe nobody managed to fix the 800MHz problem as I've noticed it's quite common among AMD Ubuntu users. I think I've tried almost anything that I've found on this forum.I can't keep asking my employees not to reboot their PCs. Both Chrome/Firefox crash a lot on Ubuntu so they're forced to restart their computers.The computer specs are: AMD Athlon II X2 240 dual-core @ 2.800MHz, 2GB RAM, 500GB HDD, etc.
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