CentOS is a Linux distribution standing for "Community ENTerprise Operating System" and is a rebuild of "Red Hat Enterprise Linux" (RHEL). The "CentOS6" tag refers to versions 6.x of CentOS.

learn more… | top users | synonyms

2
votes
1answer
133 views

All my sites are 403 but the server is running. Errors on startup

We gave access to a contractor to install a firewall and somehow while he was doing it he fracked something up. Everything went off-line about 24 hours ago and we are effectively out of business until ...
2
votes
1answer
1k views

Centos 6, local yum repo, and multiple versions of the same rpm

I'm trying to set up a really simple local repo. I want to have a basic repo with two versions of only one rpm, so I did: mkdir /packages/x64 copy two rpms to /packages/x64 [root@repo x64]# ...
2
votes
1answer
301 views

ipvsadm lists a few hosts by IP only, rest by name

We use keepalived to manage our Linux Virtual Server (LVS) load balancer. The LVS VIPs are setup to use a FWMARK as configured in iptables. virtual_server fwmark 300000 { delay_loop 10 ...
1
vote
2answers
583 views

How can I do an SELINUX filesystem relabel without rebooting first?

I can touch the file /.autorelabel and reboot and during the initialization coming back up it will do the SELINUX relabel for me. But I want to do this in a different situation where the system has ...
0
votes
1answer
529 views

Best practices for tuning virtual hosts

While digging around to find resources on tuning virtual hosts I found an article on VMWares knowledgebase about changing the I/O scheduler. What else should be considered for improving ...
1
vote
1answer
419 views

cyrus-imapd is not work with sasldb2, but postfix work

centos6 64 bits: when i use pop3 for access cyrus-imapd: S: +OK li557-53 Cyrus POP3 v2.3.16-Fedora-RPM-2.3.16-6.el6_2.5 server ready <3176565056.1354071404@li557-53> C: USER abc@myabc.com S: ...
1
vote
3answers
1k views

CentOs vhost shows default apache page [closed]

I'm using CentOs 6.2. On this server I want to host 1 website. I created a vhost in httpd.conf. You can see the setup below. The problem is that when I go to the domain I get the apache default ...
0
votes
1answer
1k views

Installing distcache on CentOS 6.3

I'm trying to re-build our server based on CentOS 6.3 and i can't seem to find the distcache rpm. I have it on my 5.8 CentOS: [root@server]# yum list distcache Loaded plugins: fastestmirror, ...
1
vote
1answer
563 views

trouble with oidentd on CentOS 6.3

I'm having a weird problem with the oident daemon on my VPS. When I try running it, I keep getting this error: [root@ldvps ~]# oidentd [line 4] This construct is valid only for user ...
-2
votes
2answers
254 views

How to connect to virtual host via server IP?

I'm migrating from old server into new server. my current domain is pointing to Old server and want to test before go live. The problem is how to connect to New Server for internal test. I dont know ...
1
vote
3answers
5k views

Safely update php 5.3.3 to >=5.3.4 on centos 6

Would the following works fine without any issues? I have apc cache installed, the other packages the usual php configuration. yum update php would that be enough? it is an active server, so want ...
1
vote
2answers
1k views

ModSecurity compile error on nginx

I'm trying to install ModSecurity on nginx with the following instructions : wget https://github.com/SpiderLabs/ModSecurity/archive/master.zip unzip master cd ModSecurity-master ./autogen.sh ...
0
votes
2answers
482 views

Iptables Allow MYSQL server incoming requests

I am trying to get my new MediaWiki server to allow connections to our MySql Server and right now I cannot get my iptables firewall set up right for this. The rule I am applying is the following ...
-1
votes
2answers
297 views

Create new partition on live production CentOS server [closed]

I have a production server that is running on CentOS. I'd like to create a partition on the server without having to reinstall everything. I have CLI and VNC access to the remote server. Is there ...
0
votes
3answers
128 views

Set up multiple websites on a local web server

I have spent the last few days setting up a CentOS 6 server on my local network so that I can host multiple projects that I'm currently working on. Everything has been set up so that I access the ...
3
votes
1answer
1k views

Nginx limit_req_zone ip exceptions

I use: http { limit_req_zone $binary_remote_addr zone=one:10m rate=5r/s; } server { location ~ \.php$ { limit_req zone=one burst=2 nodelay; try_files $uri ...
1
vote
1answer
436 views

Zend Guard Loader and Plesk

I have Plesk 11.x installed on my CentOS 6.2 x86_64. I configured my PHP to load Zend Guard Loader. But know when I check php configuration by php -v the output is: PHP 5.3.3 (cli) (built: Jul 3 ...
2
votes
2answers
6k views

A lot of TCP: time wait bucket table overflow in CentOS 6

we have the following output from dmesg: __ratelimit: 33491 callbacks suppressed TCP: time wait bucket table overflow TCP: time wait bucket table overflow TCP: time wait bucket table overflow TCP: ...
0
votes
1answer
428 views

Authentication failure issue on centos

I have configured dovecoat on centOs. When i access email through thunderbird or gmail IMAP. everything goes fine. but when i try to configure using sparrow mail client on Mac osx. Server log shows ...
0
votes
1answer
3k views

CentOS 6.3 task blocked for more than 120 seconds

Recently have been getting Zabbix alerts about our mail system being unavailable, the uptime on the machine is 30+ days. I've been tracing the Zabbix logs and it looks like the communication between ...
0
votes
1answer
453 views

Centos 6 guest can only see 127GB on Hyper-v

I created a fixed VHD size 800GB. However, when I try to install CentOS 6 x64 bits OS, it only use 127GB LVM volume. How to install CentOS 6 without using LVM? I want to use all the 800GB disk. ...
0
votes
4answers
997 views

Installing MySQl 5.5 on CentOS 6 dependencies conflict

I installed mysql on my centos 6 yesterday but I wasb't aware that it's installing mysql 5.1 which is an outdated version. Now I've remove old version and all it's dependencies, but when I try to ...
-3
votes
1answer
1k views

How do I open custom ports in my iptables firewall? [closed]

I need IPTables, like everyone else, but I don't use it enough to really keep my knowledge complete and fresh. The setup utility in CentOS is too basic. It doesn't seem to allow me to open up custom ...
-1
votes
1answer
264 views

Edit a file on CentOS 6.3 Minimal [closed]

I installed CentOS 6.3 Minimal on VMWare Player, and I realized how 'minimal' the setup is... Don't have network connectivity. From what I searched on google, I need to edit the file ...
-1
votes
1answer
89 views

Accessing apache Webserver Over local Network

I have installed Apache Web Server on an CentOS 6 machine and configured it to run listen on an IP X.X.X.X:8080 in httpd.conf file but it is not working when i tried to access the Web server from ...
5
votes
1answer
2k views

Starfield Wildcard SSL Certificate Not Trusted in All Browsers

I am at a loss as to what else I might try in order to debug this issue with a Starfield Wildcard SSL Certificate. The problem is that in certain browsers (Safari or the most-updated chrome you can ...
2
votes
1answer
647 views

Kickstart CentOS 6 prompting for TCP/IP with network set to DHCP

I am trying to stop my kickstart CentOS install prompting me for TCP/IP information. After I click through this prompt (keeping IPv4 and IPv6 to their defaults) the installation continues and ...
0
votes
1answer
379 views

Windows NX client can't connect to FreeNX server

After my Centos 6 server was powered down without a clean shutdown, I can't connect to the FreeNX service. I get errors like: xrdb: No such file or directory xrdb: Can't open display ':1001' How ...
1
vote
2answers
602 views

How to make 2 linux machines accept each other ssh connections without asking for a password

I need to create a cron script that will scp all the logs from one machine to a log parsing machine but when I scp I am requested to insert a password. Usually, when I connect to the servers using ...
-3
votes
1answer
521 views

disk partition centos

I am setting up server for hosting two WordPress which has size of around 70GB. I have already installed CentOS as OS and I would like to partition the Disk. Is there any tool which can help me or can ...
4
votes
1answer
896 views

chkconfig creating service symlinks with the wrong order

On RHEL 6.3, I have a system service that should be starting after postgresql and httpd (order 64 and 85, respectively), but chkconfig always places it at order 50. I tried an experiment on a CentOS ...
2
votes
2answers
3k views

How to uninstall git installed from the source? [closed]

I installed the git using this article. Now I want to uninstall the git. How to do it?
0
votes
1answer
4k views

How do you configure /etc/pam.d/system-auth-ac on CentOS 6 using authconfig?

I'm trying to replace the cracklib module with passwdqc. Every time I do an authconfig --update (or --updateall), the changes I make on the system-auth-ac file goes away. The authconfig command line ...
1
vote
0answers
263 views

ESXi 4.1 CentOS 6.X eth0 unnavailable

I don't usually ask for help so directly, usually google have all i need but this time i'm seriously lost. Hope you can help me .s The thing is, i have a server with Vmware ESXi 4.1 and 5 already ...
0
votes
1answer
720 views

Configuring openLDAP in CentOS 6.3

I have followed the instructions found in this question until the part that I have to do an ldapadd using "cn=Manager,dc=syco,dc=net" as DN. However, I am getting the error Invalid Credentials (49) ...
2
votes
1answer
378 views

BIND DNS strange behaviour resolving dns

CentOS 6.3 BIND version 9.8.2 Server is acting as my local network's DNS server. What happens is that I can resolve jquery.com fine, but accessing code.jquery.com results in nothing found when ...
3
votes
2answers
625 views

Linux servers going into Halt when pressing Control-D in putty or exit in the shell

Since today at noon, there's a number of Linux CentOS servers which are going to Halt whenever i type exit or use Control-D to close the putty window. Did anyone encounter this weird behavior before? ...
0
votes
1answer
1k views

automount a windows share

I have this line and it works mount -t cifs -o myuser //192.168.0.12/Public/Docs /mnt/cifs_shares/Docs But then I try with autofs and it doesn't In /etc/auto.master: /mnt/cifs_shares/Docs ...
0
votes
1answer
1k views

CentOS release 6.3 (Final) php-mcrypt Install Fails [closed]

I got a clean installation of CentOS 6.3, with php 5.3.18. I tried installing the epel-release-6-7.noarch.rpm and epel-release-6-7.noarch.rpm in order to run # yum install php-mcrypt However it ...
0
votes
2answers
488 views

Trying to install SawMill and getting the following error:

[root@sawmill sawmill]# ./sawmill ./sawmill: error while loading shared libraries: libldap-2.3.so.0: cannot open shared object file: No such file or directory Using yum provides libldap_r-2.3.so.0 i ...
0
votes
1answer
1k views

Which mirror should I use to download Kernel Xen 6.3? [closed]

I'm following this construction to install (version 4.1.2) on a CentOS 6.2 (x86_64) system. When I use this command yum install http://au1.mirror.crc.id.au/repo/kernel-xen-release-6-3.noarch.rpm I ...
0
votes
2answers
1k views

KVM/Qemu Guest Shutdown problems

on both host and guest running CentOS 6.3 with KVM/Qemu virtualization, I have the following scenarios: "virsh shutdown kvm1" did not shutdown at all. virsh lists guest as running. "service ...
0
votes
1answer
510 views

KVM with external IP without NAT?

I have a CentOS 6.3 server with 1 NIC (eth0) and an external IP (lets say 1.2.3.4). On this server I'm running a CentOS 5.6 KVM with the "default settings" (virbr0 on 192.168.122.x). What I want to ...
3
votes
4answers
9k views

tomcat6 on CentOS 6: cannot stop/restart service

I have this problem with stopping and starting tomcat6 (package from the repos). I've seen with several CentOS 6 and RHEL 6 boxes. The symptoms are that when I want to restart or stop tomcat6 it just ...
5
votes
4answers
21k views

Centos 6.3 Bind hangs on “Generating /etc/rndc.key”

I'm installing bind on a clean Centos 6.3 system. In previous versions that would work like a charm, but now I get Generating /etc/rndc.key when trying to start bind after the installation. ...
1
vote
1answer
1k views

Error installing OAuth on CentOS 6.0

I'm not sure what to do here cause I'm getting the same type of error overall as i try to install oAuth on this cloud slice. I'm not sure what to do but I would think that I need to update or ...
-2
votes
2answers
5k views

How do I get my Proxmox VM to access the internet without a public IP address

I would like to create a proxmox vm and have that vm be able to ping/access external websites without having to assign a public ip to it. How do I do this? The VM is running centos 6
1
vote
1answer
1k views

Zabbix not getting data for one filesystem

I have Zabbix monitoring disk space for several volumes on several servers. It works fine on all of them except for one of the volumes on one of the servers which always reports as 0. However, when I ...
3
votes
1answer
253 views

Sync virtual machine hostname to displayName in VMware ESXi 5.1

How can I read the paramater called displayName in the .vmx file or "Virtual Machine Name" in vSphere Client from within the VM. If this is possible with vmtoolsd I haven't found it yet. ...
1
vote
1answer
82 views

I need to mount directory from one hdd to public_html folder [duplicate]

Possible Duplicate: Hard drive on server which hosts public_html folder is full. What to do? i have a hard drive (1TB) which has a folder named "flvideo2" i need to mount into ...