CentOS 5 Hardware :: Why CentOS Not Detecting VMX Extension ?
Dec 22, 2010
I've got brand new Dell Optiplex 380 (Intel E8400 chipset) that I wanted to use to test new KVM virtual environment, after installing Centos 5.5 - (64bit) I'm not getting any further than "egrep '(vmx|svm)'color= always /proc/cpuinfo" as it is not showing that CPU is capable of VMX. Now this URL... says that it is perfectly up to what I want from it. I specifically installed W2k3 server R2 on the same box previously to run these apps, just to be sure URL...everything was nice and green and according Windows and those apps perfectly VMX-capable, but still CentOS isn't recognizing VMX capabilities.BIOS settings are all enabled...
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Sep 16, 2009
I have inserted ASUS NX1101 in CentOS. But it not detecting. Card is a new one. What to do?
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Oct 20, 2009
I been working on this issue for a couple days without success. PHP.ini will not load extensions. I am able to modify php.ini parameters successfully with the exception of the extensions. It would be appreciated if someone can shed some light on this issue.
Troublshoot
check for multiply php.ini
restart apache
1. Environment:
CentoOS 5.2
Apache2
PHP 5.11
2. dir
apache2= /usr/local/apache2
php = /usr/local/apache2/php
lib = /usr/lib which contains pdo.so, pdo_mysql.so, sqlite.so, pdo_sqlite.so
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Mar 23, 2011
I'm connecting to my CentOS with remote desktop. While trying 'setxkbmap' the following error is occurring:XKB extension not present on :17.0It doen't happen on the console, i.e.when DISPLAY=:0.0
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Sep 23, 2009
I try to install CentOS 5.3 for the first time. The installation of system is completed successfully, but the computer isn't detected the installation of CentOS after rebooting and I have an error Non-System Disk or Disk Error Replace and strike any Key When Ready on starting. Does the hard disk have error and it should replace it? If the hard disk have errors, how the system CentOS could take hold?
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Dec 18, 2010
I have loded centos 5 on vertual machine, my host machine is windows xp and has two NIC cards working perfectly well
1) realtek RTL 8139 family PCI fast eathernet NIC
2) realtek 8169/8110 family gigabite ethernet NIC ( ONBOARD)
but both of them are not getting detected by CENTOS
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May 7, 2009
I have a CentOS 5 server with PHP 5.1.6 installed. Now I need to work with soap but the extension is not installed by default.Preferably without recompiling (if possible) ? Specific instructions would be very helpful.u Also, if you need any further information, let me know.
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Feb 8, 2010
I have postfix setup with amavisd and I tried to send myself an email with the eicar file however it lets the email go through to my inbox. When I restart the amavisd service, there are no errors in the log and it finds all the decoders for different file types and I also see this come up:
Feb 8 14:45:44 Mailgate amavis[3116]: Using primary internal av scanner code for ClamAV-clamd
Feb 8 14:45:44 Mailgate amavis[3116]: Found secondary av scanner ClamAV-clamscan at /usr/bin/clamscan
Everything seems to work but it doesn't scan the file for viruses. Also, I've double and triple checked and my amavisd.conf file doesn't have the option enabled to bypass virus scanning.
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Jun 2, 2011
how to enable php-mysqlnd extension in php-5.3.6 in centos 5.5. I tried no solutions and no proper google docs.
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May 16, 2009
I just can't figure out how to enable openssl on my server. I've searched around on the web but have come upon dead ends. I recently became the admin to a server of a new company, the previous admin installed everything on this server. The server has php running which was installed thru yum I believe. And so was OpenSSL. Recently though I've been ordered to configure a online sales software. So I started investigating what I would need. I know I need OpenSSL, a certificate which should be bought, etc.
I met the dreaded dead ends when I came upon knowledge that I had to make OpenSSL work with PHP. Ok so I got to work. I found out that I needed an extension enabled in php. And the only way (that I've read so far) is thru compiling PHP with the command --with-openssl-dir=path. The problem is that I've compiled many times now and see no change in the phpinfo file. Can the extension be enabled (--with-openssl-dir=path) even after the php and openssl have been installed thru yum? I'm also new to linux
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Aug 30, 2010
I have a centos 5.5 machine. First I upgraded my php to php 5.3. So I was then installing phpMyAdmin so I just put the whole folder into my /var/www/html/phpMyAdmin.The I tried to run my phpMyAdmin and I got this error Cannot load mysql extension. Then I uinstall my mysql db and reinstall it. Again it show me the same error.For addition info via the php info page for the Configure Command I saw this option -without-mysql' .
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May 7, 2009
I am attempting to use a serial trackball in CentOS 5.3 and have run out of ideas. The mouse is connected to COM2 (/dev/ttyS1). I have tried to configure it through xorg.conf using every protocol I could find including "auto" and tried the same again using "inputattach". The mouse communicates at 1200 baud, so I've tried using stty to set the port to that baud rate and still no luck. Is there a test tool that can be used to see if the serial connection is functioning? If not, are there any other ideas?
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Sep 8, 2009
Whats the best way to detect & install new hardware in CentOS5.3 when you don't have a working network connection. I've tried to search the wiki & forums on this site as well as the supplied help files for help in detecting & installing new hardware but wasn't able to find anything
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Oct 15, 2009
Cent Os 5.3 64bit dosen't recognise the network card ASUS NX110113f0:1023 (rev41)here are some details about the system,
# lspci | grep ther
02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 02)
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Aug 4, 2010
Problems with xen 3.1.2 creating and installing domU CentOS 5.5 I am trying to do a virt-install --prompt --paravirt, and the install error out while trying to download install RPMs. I have googled for xen centos virt-install and various permutations. I have found similar howtos for 5.4 and 5.3, but they resulted in the same outcome. I did find several posts with similar issues, but no solution was posted.[URL]..
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Feb 9, 2011
I am in the process of building a new server on an Asus P5QPL-AM motherboard and an Intel E8600 processor.explain to me the difference between the two versions and what would you recommend.Also, is there any advantage of SATA over IDE hard drives?
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Jan 1, 2010
I have two servers, both running CentOS, but one running Cpanel as the control panel and the other running Webmin.
I would like to sync the web folders using rsync. However, when I sync the files from the Cpanel host the permissions look as follows:
Code:
But that doesn't work on the Webmin server which needs the following:
Code:
It seems the Cpanel install has the group as 'nobody' whilst webmin has it the same as the file owner. I can fix this by running:
Code:
But as the file transfers will be frequent, I don't want the files to be inaccessible until chown is run.
So, what I really want to know is - how can I change things on the 'webmin' server so that files with ownership owner:nobody will run?
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Feb 15, 2009
The installer can't see my raid controller (I assume) as I'm getting the following error:"Error opening /dev/mapper/isw_jbhgjgjj_Vol0: No such device or address"It just sees them as 4 individual drives: sda, sdb, sdc and sdd.Please note that I have set up the RAID 5 in the controller bios interface and the image name is Vol0, which it seems that it tries to load but for some particular reason it can't.I have also tried different bios settings and nothing worked.
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Apr 28, 2009
I'm running a fresh install on an intel i7 system on an asus p6t deluxe v2 motherboard with the onboard NIC (Marvell Technology pci-e). I know the NIC is working as when I boot into the onboard OS that Asus provides (Asus Express Gate SSD)I have a working net connection.Booting up CentOS hangs at determining IP information for eth0 and eventually fails with the following error:PING xxx.170.30.1 from xxx.170.31.231 eth0: 56(84) bytes of data---xxx.170.30.1 ping statistics ---4 packets transmitted, o received, +3 errors, 100% packet loss, time 2999ms, pipe 3 failed.
RTNETLINK answers: file exists.
RTNETLINK answers: file exists.
RTNETLINK answers: file exists.
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May 5, 2009
I'm trying to install a dual booting machine with OpenSUSE v11.1 32bit and CentOS v5.2 64bit. I installed OpenSUSE first and allowed it to install and configure grub in the MBR and after that I wanted to proceed with CentOS v5.2. The installation went fine with two notable exceptions:- when I had to configure grub installation parameters, CentOS offered me only 2 solutions: either install it on the MBR of the first hard disk or not installing it at all. Other distributions are more flexible allowing you to install it in the boot sector of the root partition for example. Because I didn't want to ruin the existent grub onfiguration, I reluctantly accepted not to install it for CentOS assuming that I could manually configure the entry later in grub's menu.lst file.
- when I was presented with the options for software components installation, I've clicked on virtualization category/function because I intend to use the machine as a VMware host. There was no guidance on screen at that point and I blindly assumed that by choosing the virtualization function I would get necessary tools and drivers that will help me further on. It seems that this was a wrong move as you can see it below.
After completing the installation, I tried to search for a template or guiding on how the menu entry in menu.lst should look like but the grub directory was empty, not surprisingly because I've told CentOS earlier not to install it. Using the files in the /boot directory from the CentOS installation I tried to improvise a menu entry but it's not working. The boot stops with famous Error 13: Invalid or unsupported executable format. Using the file command to check what kind of files I'm trying to load as kernels I'm getting :
marte:~ # file /mnt/vmlinuz-2.6.18-92.el5xen
/mnt/vmlinuz-2.6.18-92.el5xen: gzip compressed data, from Unix, last modified: Tue Jun 10 19:20:51 2008, max compression
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Jul 9, 2009
The first server I installed installed fine. The second server, installed with the same config, went to "kernel panic not syncing no init found try passing init= option in kernel" error. I tried reinstalling but it keeps going to that error after install reboot. The storage is ISCSI connected via Intel Server Adapter, which allows it to boot from ISCSI. Not sure if that's the cause for the problem, but the first server is connected to the same ISCSI and installed just fine.
Is there a way that I can make sure ISCSI module installs during installation? Although I think it is installed since it's able to copy the files and setup /dev/sda. I just wana make sure that it installs during setup.
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Aug 14, 2009
I'm trying to create a CentOS based liveCD that mounts a NFS share and executes one script there. The NFS never mounts altough while logged I can mount it with the very same command that I use in the KS.
In the %post I have :
%post --log=/tmp/post.log --erroronfail
mkdir /mnt/nfs
mount -o nolock 10.23.1.1:/csc/RemoteHome /mnt/nfs
I added the --log in order to debug, but nothing is written in /tmp/post.log. I tried redirection on the mount command with >> /tmp/debug.log but this is not written. Maybe during the post sequence /tmp is RO ? Anyway, I tried with ifup lo, service portmap start in the %post, but doesnt change (I even have a service : command not found in the live cd creator output).
Here is the remainder of the KS :
lang en_US.UTF-8
keyboard us
timezone US/Eastern
[Code]...
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Oct 30, 2009
I've got two USB webcams I'm trying to get running with CentOS 5.4 x86_64. I've downloaded and installed the gspca driver from http://mxhaard.free.fr/spca5xx.html. Running lsusb yields:
Bus 002 Device 003: ID 0ac8:307b Z-Star Microelectronics Corp. USB 1.1 Webcam
Bus 002 Device 002: ID 0ac8:307b Z-Star Microelectronics Corp. USB 1.1 Webcam
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Dec 21, 2009
I have installed CentOS 5.3 on my PC which has an Atheros AR8121/8113/8114 Gigabit Ethernet. Unfortunately 5.3 has no drivers for this LAN Card. I searched the Google for drivers but was unable to find any. Does the 5.4 has them? If yes then how can i upgrade it to 5.4 without Network connectivity?
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Feb 28, 2010
I built a home server (NAS/WWW/SSH/media server etc) and chose CentOS 5 as the OS (stability, easy of configuration).I was just about to start tuning the power consumption when I realised that the kernel CentOS uses is so "old" that it does not support the latest reduced power consumption enhancements that Linux has achieved in big strides in the recent past (we are probably still talking 6-12+ months ago e.g. tickless kernel)..
So my questions; 1) I know CentOS was maybe not meant for home servers (certainly its not its primary purpose), but if it is, any ideas of what kind of power consumption it takes (I know its relative) and if there are particular power consumptions that are worthwhile?
2) Do you recommend me compiling my own 2.6.21+ kernel from kernel.org or am I just likely to have compatibility issues (I really did not want to do that) or when is CentOS 5.4 supposed to have a newer 2.6.21+ version kernel?
Was it wrong of me in principle to choose CentOS for a home server when I am power conscious? (I don't have a low-power VIA processor either but a P4 so I am really just hoping to make do with software changes).
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Oct 12, 2010
I have a few mail servers, a mail log server and a web server running on Centos 5. Now I have a task: to avoid accidental crashes on the production servers while installing updates, my boss asked me to do clones (these clones will all be VMware virtual machines) of the servers (EXCLUDING the actual e-mails and log contents) and then to run those clones on VMWare Server. This way, first I will install and test updates on the clones and - if they will be running without crashes - I will apply the updates on the real production servers themselves.
I have already installed VMWare Server 2.0 I have a few questions: How do I build the virtual machines to exclude the actual mail files and mail logs? Can I use VMware Converter for this purpose, or do I have to use another program? How do I actually do this cloning? Is there a tutorial on how to do this?
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Jan 27, 2009
I have a Centos 5.2 VM running under Windows 2008 Hyper-V. If I add two "legacy Nic's" and bridge them, everything appears to work fine. However, if I remove the legacy nics and replace them with two synthetic nics (linux integration components), the nics seems to function fine UNTIL I add them to a bridge.This VM will eventually be used as a DansGuardian/Squid transparent proxy for a local library. The logical layout is represented by the attached jpg image. I have also included the ifcfg- scripts for the adapters and bridge for both scenarios.It would also be useful if someone else has Hyper-V with the integration components and dual physical nics to see if they can reproduce my symptoms on their box.Legacy Adapters:
ifcfg-br0:
DEVICE=br0
BOOTPROTO=dhcp
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Mar 17, 2009
If I ssh from my laptop (running F10) to the server (centos 5.2) it asks for the password, but everytime I enter the correct password it says incorrect password. when I do the same from the server to my laptop I can get in just fine. I think my passwords are stored as ssha in the LDAP (I tried clear passwords and that dosen't work either).
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May 1, 2009
I just have CentOS installed and cannot get the Agere et131x network card to work.I have tried the following:Reboot the computer and still did not see the network hardware.
Fai
lspci
Quote:
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May 3, 2009
I have tried to install debian 5.0 and 4.0 without any luck. I have both tried virt-manager and virt-install with both debian-501-i386-netinst.iso, and full dvd. I't always gives me the same error:Starting install.Could not find an installable distribution at '/xen/debian-501-i386-netinst.iso'
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