CentOS 5 :: Can't Match NView To XP Setup?
Nov 12, 2009
we are having with nView on Linux. We are running a dual boot with CentOS-4 (2.6.9-67.ELsmp) and XP.
When we boot into XP and configure the nView manager so we can clone our monitors onto a projector it works perfectly and we get the full 1920x1200 from the Eizo S3421W replicated onto the full projection display. When we attempt the same thing in Linux it doesn't work - I cannot find the same 'Clone' settings. Instead if we try and match the same resolution settings it goes out of scan range.
The best I can get is 1920x1200 on the display and 1600x1200 on the projector. As you know different aspect ratio so on the display you get a strip of picels running down the right that isn't on the projection.
We are running QuadroFX1700s. how we setup the same as in Windows?
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Oct 21, 2010
I have the following query:
Code:
$sql="SELECT table1.datetime, table1.user_id, table2.ip, FROM table1,table2 WHERE id='$id' AND (table1.id = table2.id AND table1.datetime = table2.datetime)";
In table2 the datetime fields are about 1 to 2 seconds off due to the source of the data, which I cannot change.
Is it possible via a query match table1.datetime & table2.datetime by HH:MM (ie. to the minute instead of to the second)?
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May 28, 2010
I have a LAMP server that have been working allright for some time now.
I have been running 'yum update' on it every month without problem up until this morning.
Today when I try to update I get the following:
Error Downloading Packages:
1:net-snmp-libs-5.3.2.2-9.el5_5.1.i386: failure: RPMS/net-snmp-libs-5.3.2.2-9.el5_5.1.i386.rpm from updates:
[Code].....
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Jul 4, 2010
2.6.18-194.8.1.el5xen is the reported kernel that I'm running while the headers that are installed are listed as 2.6.18-194.8.1.el5-i686. I assume these are the same, or at least close enough that it shouldn't matter.
However, when I run vmware-config-tools.pl to configure it it says it cannot find the kernel headers. I've tried pointing it to /usr/src/2.6.18-194.8.1.el5-i686/ and /usr/src/2.6.18-194.8.1.el5-i686/include (not sure which of the two I'm supposed to do as online instructions contradict one another) it says that is invalid and there seems to be no way to force it since it just complains without letting me use it anyway. What can I do? Running centos 5 btw on vmware workstation 7.
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May 10, 2011
I have several CentOS 5.5 machines running on my network; yum works just fine for them. I used the 5.5 cds to install them. I decided to grab the DVD of 5.6 and build a new machine. Can't run yum.
http://mirrors.finalasp.com/CentOS/5.6/updates/x86_64/repodata/primary.sqlite.bz2: [Errno -1] Metadata file does not match checksum
Trying other mirror.
[code]....
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Dec 15, 2010
So I didn't notice when I setup my CentOS 5.5 server that I left / as RAID 0 on md1. All the rest are RAID 1. Is there a way I can modify the array to RAID 1 without a risk of data loss? I'm glad I caught this before I setup any other services. I've only setup smb so far...
[root@ftpserver ~]# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/md1 16G 3.0G 13G 20% /
[code]....
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May 5, 2009
Here is a thought experiment:
1. Copy vmlinuz and initrd.img from isolinux subdir into /boot
2. Adjust grub.conf to boot to that kernel
3. Reboot to setup
4. Format /boot (actually '/' ) during "fresh install"
5. Proceed with the installation-over-network
I see two possible outcomes:
1. The setup fails to reformat the drive, because it is "in use" by boot kernel
2. The partition is not "in use" and the installation succeeds
Why? Old cluster with broken CD-drives, lacking USB, and no separate /boot partition.
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Apr 4, 2009
I have many servers running CentOS 5. I noticed yesterday many had a notificationthat updates were available. I clicked update and they all fail using the GUI. WhenI run yum update it shows packages to be upgraded and asks me to confirm. I enter yes but Yum fails on the first package. I wonder if this has something to do with therelease of 5.3?I get the same failure if I run a yum upgrade too.
Total download size: 465 M
Is this ok [y/N]: y
Downloading Packages:
[code]....
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Sep 7, 2010
In my httpd log I always get this recurring error
[notice] Digest: generating secret for digest authentication ...
[notice] Digest: done
[warn] RSA server certificate CommonName (CN) `srvspam' does NOT match server name!?
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Apr 6, 2010
After adding rpmforge on a fresh installation of CentOS 5.4 64bit, I received the error "Metadata file does not match checksum" so decided to try the fix yum -y remove yum-fastestmirror, As discussed at [URL]... Unfortunately, this also deinstalled yum. If I try to reinstall from my CentOS 5.4 DVD, I get:
# rpm -i --aid yum-3.2.22-20.el5.centos.noarch.rpm
error: Failed dependencies:
yum-fastestmirror is needed by yum-3.2.22-20.el5.centos.noarch
But if I try to install the yum-fastestmirror I get
# rpm -i --aid yum-fastestmirror-1.1.16-13.el5.centos.noarch.rpm
error: Failed dependencies:
yum >= 3.0 is needed by yum-fastestmirror-1.1.16-13.el5.centos.noarch
Which is a bit circular.
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Apr 20, 2010
Is there any way to setup the Centos Directory Server without an internet connection?? i tried using the command: yum install centos-ds
but this just tries to connect to the internet to to download the packages. Is there a site where i can find the package so that i can copy it to my server and install it or is there some other way to do this?
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Jul 5, 2011
I'm trying to use the set application to configure Apache. I'm getting a "setup: command not found" error when I type in "setup" at the command line.
However when I try to install setup with yum, it tells me that setup is already installed.
I'm logged in as root. CentOS 5.5.
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Jul 11, 2010
followed the wiki page which tells you how to configure vnc, i got this working under root, then created a sybase account and also got this working as well, but anytime i shutdown the server for the day and attempt to use VNC the next day, it doesnt work. I get the error unable to connect to host: connection refused (10061)
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Jan 19, 2010
We are trying to set up a NIS server on a CentOS system. We need to have a NIS server which can provide NIS authentication to a couple of clients. We are practically new to all this stuff.
Just googled to find some ideas about installing ypserv and ypbind and portmapper. We did all that and also started them successfully. But now the clients are not able to join to the NIS domain . The error log states "YP_DOMAIN NOT BOUND".
I guess we have not entered the /etc/yp.conf, /etc/hosts files properly. Please let us know the detailed steps to setup a NIS server .
Also, please let us know what entries should go into the different /etc/<file_names>? What is meant by HOSTNAME in the /etc/hosts file?
Is there any other files which need to be changed? Are we missing any steps?
Also to add-on, while executing the ypinit command we faced the following error:
At this point, we have to construct a list of the hosts which will run NIS servers. localhost.localdomain is in the list of NIS server hosts. Please cont inue to add the names for the other hosts, one per line. When you are done with the list, type a <control D>. next host to add: localhost.localdomain next host to add:
The current list of NIS servers looks like this:
Is this correct? [y/n: y] y
Error running Makefile.
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Nov 15, 2010
I am busy to do some tests using the Adaptec 1430sa hardware raid controler .I started the setup by generating the raid 1 aray and it worked ok .I did the regular setup of Cent Os 5.5 64 bits all worked ok but the system do not boot .When I start the box it enter the minimal grub screen .I tried to install a first time on the MBR like suggested and how it need to be done for soft raid setup .nd I tried to install it on the first cluster from the boot sequence like possible on second choice
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Jul 1, 2009
my server is sun x4450.Memory is 64G RAMinstall CentOS 5.3 64bit.free -m only dispaly 32G RAM,but BIOS can display 64G RAM.how to setup support 64G RAM?
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Dec 10, 2010
I want to know how i setup DKIM in CenOs5.3
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Jul 26, 2011
my network: centos 5.6 machine, 2 disks in raid 1 client: centos 5.6 machine, 1 disk, no raid setup.the raid machine has 2 users beloning to one group (and root, with root group)
the client machine has 1 user, same groupNAME as on the raid machine. (again root, with root as group too).
where can i find the low-intelligence-level instructions for setting up nfs (the raid machine should become server) and nis (i got it is needed too).i tried some instructions from the Net (one of redhat enterprise e.g.), but after that i could mount the exported directory on the client machine, open the folder, read and copy from that folder to the client itself, but NOT write to the folder (folder with the mounted fs from the server).
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Jun 27, 2011
on my server I have atMail and a intranet site being hosted using mySQL for the database locally, and obviously backing it up would be a good thing. I got the backup package from the list if you use the add/remove software called dump-0.4.etc.. can't seem to find much on how to use it, set it up, nothing. Granted I could be looking for the wrong thing which I'm sure is the case. As of now it's looking like a USB drive is going to be my only option, that will change in the future as this "project" goes further (we are a windows shop trying out Linux, and the next step is going to be adding another server that's a file server at that point we'll probably go to NAS for the backup and then transer that to a USB for offsite/secondary backup).
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Mar 3, 2010
trying to setup samba on my centos box by following the tutorial After following the setup of my smb.conf and adding the users and files as per the tutorial I come across a few problems.If I browse my home folder, music or everyone folder i get for example \sambamusic is not assessable you may not have permissions to use this network response. If i browse the apps folder I get a pop up asking for a user name and password.
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Nov 2, 2010
Have setup a CentOS 5.5 with IPSConfig that has been running for maybe 6 months, it was only intended to be a web server for multiple domains. Issue now is that a web developer has created a form that he is trying to email from the site, I did not have anything configured for mail and he does not care to write a script that would not require the mail service to be on the web server.
Have configured/reconfigured main.cf multiple times but no success.
Postfix appears to send the outbound email to the queue but never goes out. Have setup mail service for the domain "land***.com" in ISPConfig and tested with a single user created for the domain from the server.
What did I miss in the configuration to get "connection refused"?
Nov 2 11:27:19 WC01 postfix/cleanup[6711]: E4DFA1190011: message-id=<20101102162712.E4DFA1190011@WC01.nors***.com>
Nov 2 11:27:19 WC01 postfix/qmgr[6665]: E4DFA1190011: from=<admin@land***.com>, size=377, nrcpt=1 (queue active)
[Code].....
should I remove the domain from mail services and would postfix work on its own on a server with ISPConfig?
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Dec 20, 2010
I am trying to build a Vehicle Tracking System in Centos 5.3 with project OpenGTS [URL]. Here a very simple guide to setup guide. But according to the guide things are not working. The components of OpenGTS:
(1) Apache Ant
(2) Apache Tomcat
(3) Java
(4) Mysql
(5) Java Mail
(6) OpenGTS
In this whole project java installation is creating problem.
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Dec 7, 2010
I am trying to setup an OpenVPN server using CentOS 5. I ahve installed everything, configs are good, server starts fine. I have generated my certificates using the easy-rsa 2.0 included with OpenVPN. I have downloaded all the certificates to my machine and setup my client to connect. I am having that typical problem everyone seems to have where my client says certificate verify failed. However I can use openssl on the server to verify and it is ok. What am I doing wrong here?
Code:
[root@GSFOVPNxxx01 openvpn]# openssl verify -CAfile ca.crt gg-jbloomer.crt
gg-jbloomer.crt: OK
[root@GSFOVPNxxx01 openvpn]#
client output
Code:
2010-12-07 08:44:33 MANAGEMENT: CMD 'hold release'
[Code]...
I just dont get it, I have racked my brain and google until my eyes bleed and can not figure this one out.I am sure it is something simple that I am missing.
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Apr 11, 2011
I was able to setup password-less ssh on two CentOS 5.5 servers, I don't encounter any problem on root account but when I try on another user it fails and ask for a password
This what I've done.
centostest1 = Source
centostest2 = Destination
On Source Server (centostest1)
1. ssh-keygen
2. ssh-copy-id -i id_rsa root@centostest2
ssh-copy-id -i id_rsa user@centostest2
3. Now to test
ssh root@centostest2 <--- no problem, no password needed
ssh user@centostest2 <--- problem, it asked the password for user
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May 6, 2009
I am trying to setup Tomcat on CentOS 5.2,This is that ive done so far...Installed Apache, which works fine and I get the "Apache 2 Test Page powered by CentOS" Did this
yum install tomcat5 tomcat5-common-lib tomcat5-jasper tomcat5-jsp-2.0-api tomcat5-server-lib tomcat5-servlet-2.4-api
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Jun 29, 2009
I am very new to centos and just setting up my disk. I have a dell 1850 with 2 69GB disks. When I get to this screen ( shown below) the disc configuration shows two discs "SDA2" and "69774MB". What I am wondering is this confuration ok. I assume the SDA2 is my secondary disk? Why is it using the secondardy disc and not the primary SDA1?
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Jul 21, 2009
I looking to setup a CentOS server with RAID 5 i was wondering what the best way to set it up and How with the ability to add more HDD to the RAID system later on if needed?
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Sep 30, 2009
getting GRE configured on CentOS 5.3 using Squid 2.6. I think I have everything else setup, but can't find a good reference for configuring the GRE tunnel.
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Dec 9, 2009
I'm setting up a backup server using Centos 5.3 and an Adaptec 5805 raid card and discovered that I can't use a raid setup that is over 2TB in size as the boot drive. What I eventually did was set up 2 raids on the same set of 4 drives so that I have a 200Gb 'drive' for booting and a 2.6TB 'Drive' for data. I want to keep the OS in the raid setting so I have some protection instead of having a dedicated stand alone drive for the OS. This will be for a company wide backup server and I want to minimize the possibility of drive failure for the OS as well as the Data.
I was able to install and reboot the system and everything seemed to be working but after some working on it a bit I did a reboot and wound up with a non-booting system. I can boot to the rescue mode with the install dvd and mount the original system and I even tried to reinstall the grub setup per instructions I found on the net but still I get a system that hangs up after it asks if I want to boot from the CD. If I take out the CDROM option from the boot lineup in the bios I stop at the same place minus the boot cd prompt.
I'm guessing it is something to do with one of the raid drives being over 2TB but I'm booting from a 200gb sized raid so I'm really at a loss for what to do next??
Is what I've described the correct way to handle booting up with a large raid or is there another way to reconfigure the drives as one big 2.8TB raid and use something other than grub to boot to it?
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Mar 11, 2010
I have setup samba and shared /var/www/html on a shared folder so that i can access the folder directly via my IDE, however i cannor write file in there, is there any better way of doing it ?
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