CentOS is an abbreviation for Community Enterprise Operating System that aims to be compatible with its upstream source, Red Hat Enterprise Linux. CentOS 6 is the 6th major version of CentOS, which was released on July 10th, 2011.

learn more… | top users | synonyms

0
votes
1answer
2k views

How to install wxpython on centos 6.5 (python 2.7)?

I've updated python on my centos to 2.7 and installed wxpython via: yum install python-wx Unfortunately python can't find the library and I get an error: ImportError: No module named wx Did I ...
2
votes
1answer
2k views

mongod start failed (monogdb 3.0.2, database storageEngine-wiredTiger)

I was using mongodb for a month yesterday morning after unusual shutdown my mongodb is failing to start. Here I am using wiredTiger Storage Engine, I think the wiredTiger.wt file got corrupted but I ...
0
votes
0answers
281 views

Can not ping the Router in GNS3 via vmnet1

I have installed GNS3 on CentOS6.2. And on GNS3, f0/0 of c3725 connects to CentOS6.2 via vmnet1. I mannually assign 2001:cafe::1/64 to f0/0 of c3725 while I assign 2001:cafe::2/64 to vmnet1. Here ...
1
vote
0answers
23 views

How to troubleshoot marketing e-mail inbox rate / deliverability?

After previously using managed ESP's, we've recently switched over to our own server (CentOS 6) that's set up to send bulk e-mails with 12 IPs/SPF/DKIM. Campaigns are processed and sent via Interspire,...
2
votes
0answers
490 views

Setup default PHP version in Plesk 12

I've just setup a Plesk 12 CentOS6 vServer. I installed some PHP-versions like 5.4, 5.5 and 5.6. The customers can change the running PHP version in the interface. All is working fine, but I have one ...
2
votes
1answer
2k views

Docker : cannot access internet from container

I am running CentOS 6.6 behind a corporate proxy. I've installed docker, and I had to make some modifications in order for the daemon to access the Docker Hub through the proxy. This part is working ...
0
votes
1answer
463 views

dmsetup status fields explained?

I am not new to linux, but I am new to the underlying guts of it, and I don't know anything about LVM or device-mapper. I'm trying to troubleshoot a livecd mounting its live-rw (dm-0) file system as ...
2
votes
0answers
1k views

docker-machine behind corporate proxy

I've installed Machine (Docker tool), and I'm trying to learn how to use it by following the user guide. I'm running centOS 6.6 As I am working behind a company proxy, I exported some environnement ...
2
votes
1answer
9k views

Is there any way to reset the `httpd.conf` in CentOS to the original/default version?

I was learning server installation by creating a web server in VMware, I don’t know what changes I made to httpd.conf. Is there any way to reset all the configuration for httpd.conf to default? ...
0
votes
1answer
66 views

Is there a way to mock earlier versions of Firefox?

I'd like to develop a website that is compatible with firefox 10, but I'd rather use a more up to date browser (firefox 30+). Is there a way to view web pages as though you're using an older browser (...
0
votes
0answers
31 views

Script does not start when OS start|reboot

I have a file at /etc/init/pdoneVendorBroker.conf with the following content: description "PDone Vendor Broker" start on runlevel [234] stop on runlevel [0156] respawn exec php /var/bundles/...
0
votes
1answer
548 views

yum group list doesn't contain “C Development Tools and Libraries”

Here's a Linux noob question: I'd like to install the yum group "C Development Tools and Libraries", but it doesn't show up on the group list, and isn't already installed. Any suggestion on how I ...
0
votes
1answer
461 views

How to install office 365 in linux centos 6

i have lots of work in office 365 but recently our company install openoffice which is very difficult doing work, so we want office 365 in linux centos 6, kindly suggest me how to install office 365 ...
0
votes
1answer
319 views

Why am i getting execute binary file error?

i am getting following email every 10 min. as I own the VPS. I am not expert in linux and am learning to manage linux servers. Please help me why am i getting these emails and how to stop them or how ...
0
votes
1answer
197 views

Qmailrocks installation error on CentOS 6.6

I've managed to install qmail-1.03 using the qmailrocks procedure on CentOS 6.6. When I telnet to port 25, I get an error in the qmail log below: [root@www qmail]# telnet domain.com 25 Trying XXX....
0
votes
1answer
4k views

CentOS installation error - No more mirrors to try

I have currently gotten my parts for my new home-build server, but I've come into an error installing CentOS 6.6 (minimal 64bit). I am installing 6.6 instead of 7, due to OpenVZ not supporting CentOS ...
0
votes
1answer
92 views

Im trying to adjust my httpd.conf file on my server but cant find it

I'm trying to make changes tot he httpd.conf file on my server so i can have multiple websites on my magento platform however i am unable to find said httpd.conf file. I'm using centos 6 and Apache ...
1
vote
1answer
74 views

Cannot access DNS from external network

I have setup a MaraDNS instance on CentOS 6.5. I can access the DNS records from local machine—on which MaraDNS is installed—by doing nslookup but cannot access the DNS server records from Internet on ...
0
votes
0answers
134 views

phpList is not showing Initialize Database Option

I just installed phpList on server. Also created mysql database. Now, I am opening it through ip-address/phplist/admin, It is showing just header. I can't see any option to Initialize Database. Soo, I ...
2
votes
2answers
5k views

No package available when installing packages on CentOS 6.6

I wanted to install mysql-server on CentOS 6.6 (64bit). When I run yum install mysql-server, I get the following error: root@ip-50-62[/home/syn]# yum install mysql-server Loaded plugins: ...
3
votes
3answers
343 views

Where does this name come from? root@<hostname>

When I putty into my CentOS 6 server I am shown root@ DemandStream Development This was a copied and repurposed Linux VM from one of our development environments. How do I change this name? It seems ...
0
votes
1answer
601 views

Pure-FTPD certificate not being used

I am using Pure-FTPD from the epel repository on CentOS 6. Now I have configured to enable TLS which works fine however for some reason it wont make use of the certificate file I have placed in /etc/...
0
votes
1answer
242 views

Memory usage grouped by parent process

How can I find the total memory usage of all processes (including child processes) with PPID of 1. For a program like nginx/httpd which forks several child processes, ps/top gives the memory usage of ...
-2
votes
1answer
63 views

Service Network Restart

I was configuring the network interface for the servers that are on Centos 6 platform. While editing the ifcfi-eth0 file there is a field "ONBOOT" which is set to "yes" if we want that the network ...
0
votes
1answer
222 views

What is the effect of Service Network Restart

In network configuration file ifcfg-eth0 . There is a field "onboot" if I put onboot=no and restart the service network. Then interface eth0 did not up. If I put onboot=yes it does up the interface ...
0
votes
1answer
2k views

Making 2.7.3 default version of python on CentOS 6

I want to execute python from php and I do have a script that works fine for default python interpreter. I have centos with default python 2.6.6 which is installed at /usr/bin/python and python 2.7.3 ...
0
votes
1answer
805 views

“kdb5_util create” fails with an error

krb5-server 1.10.3-33.el6 on CentOS 6.5. I'm following the Red Hat KDC Instructions. Right there at the start, the instructions give me /usr/sbin/kdb5_util create -s. If I run that, I get this: # /...
2
votes
2answers
418 views

Permission denied error when accessing email folder even when logged in as root

I have a box with iredmail installed in CentoOS 6.4. When trying to access the vmail1 folder, which is the storage path for emails, It get the following: [root@mx vmail]# dir -ls total 12 4 drwxr-xr-...
0
votes
2answers
409 views

Clone Entire OS over SSH

I have a CENTOS server that was recently compromised. However, I used to be friendly with a professor who taught computer security, and I would like to give this person a chance to go over the old ...
0
votes
1answer
150 views

Cloned Linux does not recognize the new flash drive's space?

I installed CentOS 6 into my 4GB flash drive, and everything worked fine until I needed more space. I have another flash drive with 8GB of space (which is all I really need) and so I formatted it with ...
0
votes
3answers
209 views

Where can I get Centos 6.5?

I am deploying a product for my department which calls for CentOS 6.5. When I browse the CentOS downloads, I am only seeing 6.6 available with no means of finding 6.5. Our vendors have only stated ...
1
vote
0answers
35 views

CentOS 6 with User Permission (Read at message)

I have create users on CentOS 6 between test1 and test2 so I login on user test1 on ssh and i tried to access home dir of test2 so why it can access? how i can setting for other users can't access ...
0
votes
1answer
405 views

Why won't mysqld start after a yum update?

This morning I ran yum update and it completed successfully. We noticed, however, that the database server wasn't running. As root, I ran: service mysqld restart Which gave me the following error: ...
0
votes
2answers
2k views

CentOS: install software using text UI

I've downloaded CentOS-6.6-i386-minimal.iso (because the DVD images are too large for my narrow internet access. How can I install software (e.g. Gnome desktop) now from the console? Is there ...
0
votes
1answer
267 views

I can't see apache, nginx process while using “top” command

As the title said: "I can't see apache or nginx process while I'm using top command" I'm using CentOS 6.5 and of course I already installed it on my server. I run them as a service by using these ...
0
votes
0answers
822 views

How can CentOS 6 use python 2.6 with anaconda (python 2.7) installed?

I am using CentOS 6 and it uses python 2.6 by default. Recently, I install anaconda package with python 2.7 to work with scikit-learn, but now some packages that my OS uses are not available to it. I ...
2
votes
1answer
107 views

Why the used disk space increases after yum update?

If I do a yum update on a fresh CentOS 6.5 image, its disk usage increases by 200 MB. The image is a custom AWS image built some 6 months ago. The base image is almost barebones and takes around 1GB. ...
0
votes
1answer
427 views

Strange tgtd behavior: Multiple instances?

I'm trying to add a LUN to a running iSCSI target under CentOS 6.5. The iSCSI target is tgtd from the scsi-target-utils package. I'm seeing some pretty weird behavior and I’m a bit of a loss as to how ...
0
votes
1answer
866 views

Unable to read package metadata on Centos 6 PXE install

A Centos6 pxe install is not running correctly due to error: Unable to read package metadata. Cannot retrieve repository metadata (repomd.xml) for repository: Centos6-os. However from examining the ...
0
votes
1answer
80 views

Replace local host file modification with remote. Proxy server or something else?

I need to find a solution for a problem described below (both servers running CentOS 6) My goal is to have visible website to the public where a client will type own domain name mydomain.com and then ...
0
votes
2answers
3k views

getting red alarm on dahdi show status command

I am trying to configure dahdi on my centos system by following this my system.conf # Autogenerated by /usr/sbin/dahdi_genconf on Sun Sep 21 16:06:45 2014 # If you edit this file and execute /usr/...
0
votes
1answer
3k views

How can I repair a totally corrupt rpm db on centos 6.4 with no backup?

I am looking for help in repairing my Centos 6.4 rpm db. I had a disk failure and the backup rpm i have is not working also. I have googled the request and have come up with many different solutions ...
0
votes
1answer
362 views

Samba same shared folder read only for guest and read write for @somegroup how to

I want users in group Audio to have read/write and all of the other users (guest, anonymous, everyone....) to be able to browse and read only access to the same share folder. Guest users cannot mount ...
1
vote
1answer
397 views

bind 9 and multiple domain names [closed]

I have been told the following from someone after trying to get more than one domain name (zone) to work on the same BIND instance. We are able to get a single domain name "example.com" working but ...
0
votes
0answers
120 views

rm -rf * results in “Killed”

I used PHP to generate about 4,000,000 files in a directory (f/) because I was bored. When I cd .. and use rm -rf f, it simply returns "Killed" about half a second later and does not delete the ...
0
votes
1answer
37 views

Bind domain name to hosting CentOS

I own "YouPlus.biz" and I own hosting at 192.169.218.8 (goddady VSP) I have been trying to Bind youplus.biz to 192.169.218.8 but have had no luck. have tried: https://www.digitalocean.com/...
0
votes
0answers
276 views

How to spilt a bootable linux distro iso file onto multiple dvds or cds?

I have customized a centOS distro , by including some packages such as VLC,eclipse etc. but now the size of distro exceeds 7.42 gb. I want to : split the large distro iso into multiple small iso ...
0
votes
1answer
253 views

How to use an email relay server from cmd line

I have some cronjobs that run on our servers that monitor processes, run automated jobs, etc. These scripts mail alerts for our monitoring or mails out the automated job results, etc. using the mail ...
0
votes
0answers
242 views

Zenoss crashing

We have had a Zenoss installation for a couple of years. Everything was fine until about a several weeks ago when the system being out of memory. There was no significant event that could've led to ...
0
votes
1answer
217 views

Bash hints does not work after sudo or man

I use Centos 6.5. Tab key on keyboard helps to insert command in terminal. E.g. if I write vi and press tab then all possible opportunities are printed: $ vi vi vim vino-...