CentOS 5 :: Sendmail Stopped Working After Latest Updates
May 31, 2010
We are running CentOS 5.4 x86 on ESX 4 Server. We have a busy Help Desk, a Forum and several name-based websites running. Weve been using CentOS for this 'purpose for several years (different versions) and so far we have never had a problem. On Saturday, I applied all the latest updates including the Kernel updates. I rebooted the server and all seemed well until Sunday morning when I didn't get my Logwatch in the mail. Then I got a telephone call from a customer asking me why I hadn't responded to a Trouble Ticket he had created on Saturday afternoon (creating a TT sends an email via sendmail to all the support staff). I did a few tests and sendmail has just stopped working. The Logwatch had been created and had been sent to root, but all mail for root is redirected to my Mail Server on e different box (GroupWise). There was nothing wrong with the mail server, but sendmail has just stopped.
Fortunately I had created a snapshot before I applied the updates, so I reverted back to the snapshot and mail started working again, but I lost 2 days info because I had run the backup before I applied the patches. Now I see there are 132 Updates available, but there is obviously a problem somewhere in there!
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Apr 17, 2011
After doing an update a couple of days ago (had previously upgraded to 5.6), the font size in firefox (file forward reload, etc), terminal and the panel (using xfce) are significately smaller. Searching the web, mail lists and the forums have not resulted in finding anyone else with this problem. I did notice that glibc has a bug that is currently being worked on at Redhat but it is unclear if the font problem I am seeing is related. Note also, that the initial upgrade to Centos 5.6 was successful.
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Apr 18, 2010
I have a Lenovo IdeaPad s10 which worked flawlessly with wired, I could never get it to so much as search for a wireless network, so I gave up on it long ago.
I'm using UNR 9.10 on it and today, after updating Wicd Network Manager stopped working making it impossible for me to go online with the netbook even when using a wired connection.
I restarted the computer after the update and once UNR booted up wicd wanted root access to use my computer's network cards, I entered my password, this never happened before but whatever, unfortunately after I entered my password wicd didn't show up in the tray and sure enough there was no internet connection whatsoever.
I tried running wicd manually, UNR says opening, but nothing comes up, no tray icon no nothing.
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Sep 16, 2010
opensuse v11.3
linux 2.6.34.4-0.1-desktop x86_64
After the latest round of updates approx Sep 10, sound has stopped working. (I rarely need sound for anything so it took a while to notice.) In Yast :: Hardware :: Sound it lists all of the devices that were previously defined.
- 0: SBx00 Azalia (Intel HDA)
- 1: RS780 Azalia controller
- 2: Logitech USB headset
- 3: USB Audio
Yet when I go to Gnome :: Control Center :: Hardware :: Sound and select the tab Hardware, nothing is listed. I suspect this is why there is no sound. How do I go about reloading the hardware into the hardware listing?
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Jun 20, 2011
The latest installed kernel stopped working. ( 2.6.35.13-92.fc14.i686) It won't boot. I just get black screen with blinking cursor in top left corner. How do I, or can I, remove and reinstall?
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Dec 10, 2010
I've been running Maverick 64bit fine on my Dell M1330 laptop until a couple of days ago. After the latest updates (I guess to kernel 2.6.35-24-generic), sound stopped working properly. The sound indicator applet tells me that the sound system is not responding. The login sound doesn't play anymore.
On the other hand Rhythmbox plays and I can hear the music. I can adjust Rhythmbox volume but not the global volume (as neither the sound indicator applet nor the multimedia volume keys on my laptop work).
Code:
$alsamixer
it works flawless. Here is what I get if I try to run pulseaudio from the terminal
Code:
$ pulseaudio
E: module-ladspa-sink.c: Master sink not found
E: module.c: Failed to load module "module-ladspa-sink" (argument: "sink_name=ladspa_output.mbeq_1197.mbeq
[Code]...
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Jun 8, 2011
I just put the latest updates onto My CentOS 5.6 server. It started life as a 5.4 Server, then the upgrades took it to 5.6.
The latest updates did a Kernel Update and the server sent me two messages : -
-----BEGIN MESSAGE-----
[2011-06-08T12:37:17+0200] centos54.xxx.yyyyy.com
ALERT : [2011-06-08T12:37:17+0200] msg=<START>, program=<Samhain>, userid=<0>, path=</etc/samhainrc>, hash=<256A548F71A768CC1E054F0C1E90E8674D36A09BDF9E5D13>, path=</var/lib/samhain/samhain_file>,
[Code]....
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Jul 1, 2011
My server was set to automatically install updates, and stopped working while I was away. When I got back to it, it now has a boot menu to choose between kernel versions, with no default or timer. So I pick one, and there are heaps of other problems. the /home partition isn't mounting, despite the fstab being unchanged. I can mount it manually using mount with no problems /var/syslog has nothing since April, and isn't updating when I reboot, so I'm not sure what I can cut and paste to here for you all to look at. The networking isn't running, in fact, most of the network interfaces aren't even showing up.That's just what I've identified so far. I have no idea where to start. I can't find anything wrong other than the fact it's not working.I can't copy and paste any output at this point, because I can't ssh,
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Oct 21, 2010
I haven't used my VB for a few weeks however all of a sudden it refuses to work for my normal non-root user. It's almost as if it can't find libraries in the /opt/VirtualBox directory. Initially it refused to start completely so I linked the required libs into /usr/lib64 ( yip real hack. Then it started but a vm would not start, and comes up with an error about a missing lib again which is definitely there. My non-root user is in the vb group and nothing besides system updates has changed. vb 3.2.10 slack64-current.
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Feb 19, 2009
Im unable to send mail using mailx or sendmail. The sendmail daemon is running.
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Apr 9, 2011
After upgrading to 5.6 I was trying things out and noticed for some reason the php on my server has stopped working. Anybody have a clue what's wrong ? I did read the release and it did mention the upgrade would then change my php.
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Feb 25, 2010
I recently migrated my mail server over to a new machine. For some reason, after verifying that the OIDs are correct, MRTG won't graph anything. I've quadruple checked the OIDs and used the strings as well, it won't graph at all. Graphs for RAM, ethernet, packets, etc. are working. CPU is the only thing not working. They work when I use snmpwalk with them and they do populate values. The logs show unknown SNMP vars for cores 1 & 2, but there's no mention of cores 3 & 4 entries in the logs.
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Sep 21, 2010
Is it just me, or has 'lock screen' stopped working in a recent update? I updated my install today and after rebooting I can't lock the screen... the screen saver doesn't lock it and if I select 'lock screen' manually from the menu then... nothing happens.
I even created a new user in case there was something weird in my configuration, but logged in as them I can't lock the screen either.
This is obviously a bit of an issue in an office environment as I don't want to have to log out every time I leave my desk.
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Aug 18, 2010
I built the system with one name and now want to change it.I do the usual things. change the /etc/hosts file change the hostname with the command hostname newname changed /etc/sysconfig/network and then mail stops working. Put it back to the old name and it works fine.So I am guessing I am missing something in the configuration for sendmail. I checked the sendmail.cf file under /etc/mail and no reference back to the hostname was found.I also tried the GUI on the console to change the hostbname.
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Oct 1, 2010
I have openssh running it was working last week then an update was done and now ssh does not work. removed the updates and the problem still exists.
Its CentOS 5.5 with all the latest updates for 64 bit!
Issue if as follows:
Connect locally to the loop back ip or remote ip the connection is disconnect right after the correct password is entered.
Here are copies of the log, sshd config.
sshd config:
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Apr 15, 2011
The other day there were a number of updated needed on my server which I installed with yum (the software updater GUI). Now my websites are not coming up even on the server using http://localhost
I reviewed the info and found that httpd was updated to 2.2.3-45 and am suspecting that this is the cause of the issue. So my silly little question is how do I roll back this update?
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Jan 21, 2011
My mail server stopped working this weekend, when I got in today I restarted and all the emails came through. The panic_log shows: daemon: accept process fork failed: Cannot allocate memory several times over the course of a few minutes. Can anyone give me advice on troubleshooting this one?
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Aug 26, 2011
I have a 2TB hard-drive connecting via a usb port on my server for automatic backups. I noticed the backups had stopped working and then I realize I had lost the ability to communicate with the drive.
/sbin/lsusb gives:
Bus 005 Device 001: ID 0000:0000
Bus 002 Device 003: ID 046b:ff10 American Megatrends, Inc.
Bus 002 Device 001: ID 0000:0000
Bus 002 Device 002: ID 046b:ff01 American Megatrends, Inc.
Bus 001 Device 005: ID 059f:1018 LaCie, Ltd
[Code]...
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Sep 27, 2009
I have made sure the card is not muted using kmix, alsamixer, and running alsaunmute 0. It was working for some time and just stopped. I am not sure if getting rdesktop to work on the laptop caused the issue or not since that seems to be the last major thing I did. (missing my sipie.py). This is what I am working with:
~]$ uname -a
Linux xxxx.xxx.xxx 2.6.18-128.7.1.el5 #1 SMP Mon Aug 24 08:20:55 EDT 2009 i686 i686 i386 GNU/Linux
~]$ lspci
00:00.0 Host bridge: Intel Corporation Mobile 945GM/PM/GMS, 943/940GML and 945GT Express Memory Controller Hub (rev 03)
[Code].....
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Jul 7, 2010
I don't know what happened but sendmail suddenly stopped authenticate my users who tries to send mail.
I use slackware 13.0 and sendmail for SMTP with ssl and plain authentication. Imapd works fine.
There is nothing in logs just that the client did not issue MAIL/EXPN/VRFY/ETRN during connection.
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Aug 24, 2010
I have an MSI U100 Winbook with Ubuntu Workstation 10.04 LTS newly installed (about 4 days ago).
The update manager displayed about 15 or so updates for my 10.04 installation which I installed. Upon reboot, I can not successfully login to the desktop. It will take my username/password, the screen will go black for a couple of seconds, then the error sound, and back to the login dialogue.
A tail on /var/log/messages displays:
atkbd.c: Unknown key released (translated set 2, code 0xf7 on isa0060/serio0)
atkbd.c: Use 'setkeycodes e077 <keycode>; to make it known.
composit sync not supported
These messages keep repeating. I am able to login at the console just fine. I have enabled root login but get the same issues logging in as root. I have googled and found several articles and postings involving these messages but they are all in reference to upgrading from 9.x to 10.04. I did not upgrade and did not experience the freezing of applications as noted in those posts.
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Sep 9, 2010
I've got a problem when i try apt-get update I get the following in the report:
Failed to fetch http://ftp.uk.debian.org/debian/dist...86/Packages.gz 404 Not Found
Failed to fetch http://ftp.uk.debian.org/debian/dist...rce/Sources.gz 404 Not Found
R
Network is OK, what is going wrong?
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Jan 30, 2010
1. Which XFCE on install. dvd Fedora 12? 4.4, 4.6?
2. Can I download installation dvd with latest updates?
3. Is it possible to see content of installation dvd Fedora 12?
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Dec 13, 2010
Consider the following scenario: you have two disks that are kept synchronized by some method. Could be RAID, could be LVM snapshots, could be a script. However, something has gone wrong. The disks are out-of-sync and you don't know which disk received which updates. You want to manually re-sync the disks but how do you figure-out which file to copy where?
I'm thinking of saving recursive directory-listings of the entire disks to text-files. Sorting them on last-update and removing all identical entries from the files.
I have a feeling that this is something that can be done with just a few command's but I need some help to get me started.
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Feb 2, 2011
After applying the 31st Jan and 1st Feb updates to -current (32 bit), alt-tab to switch between windows is no longer working in kde. It seems to lock the desktop and then after a few seconds kde goes back to the login screen. If I disable all desktop effects then alt-tab works again.
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Nov 27, 2010
So, it's 2010 and I already though I got rid of coding my own drivers & compiling my own kernel in normal use... After installing latest Fedora 14 updates, my system won't boot anymore into fedora. Just continuous loop no matter if I select previous kernel system won't boot.
Anyone any ideas? I think it might be ATI driver but not 100% sure since I didn't see any D/A related or Kernel updates wasn't upcoming...
Anyways I will figure out this sooner or later but this kind of updates sucks a bit that your system goes suddenly totally unuseable or system won't reboot, sooo , time to move on with an another distro or is Fedora just RedHat's playaground?
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Aug 14, 2011
openSuse 11.4 + Gnome 3 (upgraded from oneclick install). A couple of ago I ran zypper update and there were some updates available for chromium (and a few other things). I installed them, did some work in libreoffice (dint use chromium then) and turned the computer off. Today I needed to do some web surfing, so boot up my computer, launch chromium and get the following message (I translated it from spanish as I use the spanish version of opensuse)...
Failed to launch <<Chromium web browser>>
Failure executing child process <<chromium>> (The specified file or folder doesn't exists)
Before the "update" chromium worked perfectly. Now it doesn't even start.
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Aug 17, 2011
Chromium doesn't start after latest updates(15.0.854.0-2.1)
Distro: openSUSE 11.4 x86_64
chromium, chromium-desktop-kde
Version: 15.0.854.0-2.1
Repo: obs://build.opensuse.org/openSUSE:11.4:Contrib
libv8-3
Version: 3.5.5.0-2.1
[Code]...
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Jan 29, 2010
A first for me with Ubuntu. The system has hung. Well almost hung.
After installing the latest automatic updates - I'm sorry, I don't know how to identify which ones they were, but it was on 29 January 2010 - when selecting almost any application the system almost hangs. By almost hangs, I mean, the cursor will move very slightly once every 10 seconds or so, but even if it can be manipulated to a certain point, no action can be taken.
The only way out of this situation that I have been able to find is a hard reboot. (I was used to this type of thing with Windows XP, but had never seen it before with Ubuntu).
Reverting to Ubuntu Linux 2.6.31-17-genereic-PAE at the GRUB boot up option screen solves the problem.
Any suggestions on what might be happening, how to fix it, or if it is even worth bothering with? It is working just fine (so far) on the older generic-PAE.
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Jun 13, 2010
Ubuntu has been great and it is a great Linux distro. Unfortunately, the update of 9.10 desktop edition to release 10.4 failed on a couple of fronts.
1) Xserver is no longer working;
2) An upgrade of grub-pc causes an exception.
The system ran perfectly before the update was performed. The update resulted in Attempting to install GRUB to a partition instead of MBR. This is a BAD idea. usr/sbin/grub-setup: warn: Embedding is not possible. GRUB can only be installed in this setup by using blocklists. However, blocklists are UNRELIABLE and is use is discouraged.
Based on information found at [URL]... an attempt was made to execute the following command. sudo aptitude dist-upgrade But that resulted in E: dpkg was interrupted, you must manually run sudo dpkg configure ato correct the problem The later launches an upgrade of grub-pc. This routine requests the selection of which devices are to be used to store grub-install. When that was done ... GRUB failed to install to the followed devices: /dev/sdb1 /dev/sdc1 /dev/sdd4
Do you want to continue anyway? If you do, your computer may not start up properly. GRUB installation failed. Continue? Questions:
1) Can / should the upgrade of grub-pc be bypassed in order to get the system running?
2) If not, what values should be selected when selecting the devices to store grub-install?
3)Because the computer is a RAID configuration, would someone advise are there special considerations which should be considered?
4) Once grub-pc is resolved or bypassed, should the commands found in the aforementioned article be used to repair xserver.
5) Are there additional measures which will be needed to in order to complete the update to release 10.4?
Here are some helpful details on the system configuration
The computer has four disk drives using RAID 1 and RAID 5.In the following configuration RAID5 Device #0 750.2 GB Sotfware RAID device
#1 750.2 GB ext4
SCSI1 (0,0,0) (sda) 320.1 GB ATA WDC WD3200AAKS-2
#4 primary 250.1 GB K raid
#3 primary 16.0 GB F swap
[Code]...
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