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.

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1answer
14 views

Prevent uninstalling phpmyadmin when uninstalling php

I have a centos 6 server and i want to upgrade my php version from 5.4 to 5.5 but as far as i know i need to uninstall version 5.4 first (most guides say so at least), when i type yum remove ...
0
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1answer
27 views

How to set domain name in CentOS 6.6.

I am using CentOS 6.6 This is my /etc/sysconfig/network file NETWORKING=yes HOSTNAME=rahul This is my /etc/hosts file entry 172.16.11.222 rahul.example.com rahul If I type hostname I ...
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29 views

How to find files modified in last 24 hr but do not find from hidden directories and sum them

I have following command to find files modified in last 24 hr and sum all of them. #!/bin/bash find /mnt/naspath -mtime 0 -print0 | du --files0-from=- -hc | tail -n1 >> /tmp/size.log exit 0 ...
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2answers
78 views

Is my Port 3838 Open based on this netstat -tulpn?

I am trying to host a Shiny R Web Server on a CentOS Virtual Machine. I am troubleshooting some networking issues, but I want to confirm that the port is open. I have a Static IP address for this ...
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0answers
32 views

ifcfg-eth0 not being recognized after network restart

I am trying to configure a Bridged connection on a Centos 6.7 Virtual Machine, on a Windows 7 host. I have a static IP and a MAC Address for the host ethernet adapter (as shown in eth0). I have an ...
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0answers
11 views

How to migrate e-mail accounts from one server to other

I have copied the content of /home/username/mail folder from one server to the other (source is Centos 5 and target is Centos 6). Then I tried to list the e-mail accounts and the list appears empty. I ...
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0answers
25 views

Website is slower in AWS - Compare Memory from AWS to Old Server (Parallels)

I just migrated a website from an old server to an AWS Instance. The website is slower in AWS than it was in the old server. I ran a top command from both servers and I got: Parallels old server: ...
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0answers
17 views

Clipboard Stopped Working: Centos 6

I have a client in my office that's running CentOS 6.x that's experienced a curious GUI malfunction. Basically the clipboard has stopped accepting output system wide. For example in Gedit "ctrl+C" ...
1
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1answer
67 views

Hosting a Server on a CentOS Virtual Machine - Bridged Connection?

I have a Virtual Machine (VMWare) running CentOS 6.7. I am looking to host a Shiny Server for R, with which I am deploying a Web Application on my corporate network. I think that I need a Static ...
0
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1answer
23 views

How do I allow incoming TCP Traffic on a Port in CentOS 6.7?

I am trying to configure a R Shiny Server on CentOS 6.7, and I need to allow incoming TCP traffic on Port 3838. I am new to Linux and was wondering how I can modify my settings to allow incoming ...
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0answers
18 views

How to add a disk

I would like to start to use a disk: /dev/sda (see bellow). What do I need to do before I could copy files on it? (centos 6) # fdisk -l Disk /dev/sda: 1030.8 GB, 1030792151040 bytes 255 heads, 63 ...
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0answers
22 views

AWS EC2 Disk not installed

Using Amazon EC2 instance and I have a running CentOS 6.5. I recently went to exchange the disc from the machine. did the procedure turn off the machine to a snapshot of the old drive and climb a new ...
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0answers
9 views

Request Tracker on linux gives CLOSE_WAIT

Hi I have an RT installation on CentOs 6.7 and RT 4.0, I can log in and all, but after a while I am seeing CLOSE_WAIT socket is created for each selection that I make on the dashboard. Eventually the ...
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0answers
102 views

Cent Os minimal installation with Fingerprint Athuntication and Fluxbox

I just installed CentOS 7 minimal with fluxbox. I want to have fingerprint authentication to login into my os. Can anyone provide me steps to do it.
0
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1answer
27 views

bash prompt change after user default directory change

There is something I am not understanding. I have used the method found here about changing user default directory using vipw /etc/passwd However once I go into this file and change a user default ...
0
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1answer
23 views

Make a file drop immutable, linux

I'm trying to install a custombuild on my VPS. I got the file on it but the only problem is that I can't execute it. When I execute it an error message appears; "Cannot open: Permission denied". The ...
0
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0answers
64 views

kernel(security_netlink_recv) = 0x3a2204c6 is needed

I am trying to install drbd (packages are fetched from elrepo). Both drbd and kmod-drbd are version 8.4.3-1 and I am using CentOS 6.7 with kernel version 2.6.32-573.el6.x86_64. When trying to ...
0
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1answer
36 views

Command for finding and replacing directories

I was wondering: Is it possible to find specific directories and replace the whole directory with a newer version of the directory. It’s about mass updating WordPress Templates, let’s say we have ...
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0answers
12 views

Multi-user ftp configuration issue

I have a server running centos 6.5 and proftpd. There is already a user "master.admin" created, thus having his own home directory (/home/master.admin). Now, I want to add client users -for example: ...
0
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1answer
83 views

Wildcard IP addresses for an iSCSI target initiator-address doesn’t seem to work on CentOS 6

In /etc/tgt/targets.conf wildcard (172.16.2.*) not work with initiator-address. I'm preparing for Red Hat High Availability Clustering exam (EX436). The student workbook says: With tgtadm ...
0
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1answer
102 views

How do I get an RPM .spec file from FPM (Effing Package Management)?

I have made a package with Effing Package Management on CentOS 6, and sent people the fpm... stuff to generate it. It looks like some of these people I trust would like to see a .spec file, too. I ...
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46 views

Safe backup/restore of Linux partitions from a Windows system

I have a dual boot laptop, that contains a Linux CentOS 6 partition and a separate Microsoft Windows 7 partition. The Linux partition is not letting me access to its GUI anymore, so I'll have to ...
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0answers
18 views

Tuleap - Very long response time

We observe very long repsonse time ( ~ 1 minute) in our installation of Tuleap on the configuration as follow : Tuleap version = 8.3.99.4 OS = Centos 6.6 VM : FLex'server 4 cores, 4 Gb ram. We ...
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2answers
88 views

External HDD Could not be Mount in Centos

I have an Transcend HDD in NTFS file system. By mistake I unmount it from centos. After this i am not able to connect it again. Now it is not showing icon for it. Please help me, how to again mount ...
0
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1answer
168 views

Unable to enable libvpx library in ffmpeg from command line

This is my first question I have asked on superuser, so please be patient with my ignorance if it should surface. I have spent hours and hours trying to figure this one out and would greatly ...
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0answers
103 views

Openwrt And CoovaChilli

Can anybody tell me how to install CoovaChilli 1.3.0 on my router. Im using Router Model :Media-Tek MT7620A Evaluation Board Firmware version :OpenWrt Attitude Adjustment 12.09.1/LuCI ...
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0answers
33 views

CentOS - Mouse and keyboad do not work after deleting /var/cache

My mouse and keyboard do not work anymore in CentOS 6.5 after I deleted /var/cache and restarted my PC.
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0answers
239 views

wget through proxy in virtual box (cloudera quickstart VM - Cent OS)

I have installed the Cloudera Quickstart VM 5.3.0 running on virtual box for windows 7 and I would like to run a wget command but I have troubles with my company proxy (which needs authentification). ...
0
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1answer
88 views

Joomla says it's missing native ZIP support on CentOS 6.6

I am trying to set up a Joomla site and on a new dedicated server running CentOS 6.6. When installing Joomla, it is asking for "Native Zip Support" which is showing as "off" during the install. I ...
1
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1answer
82 views

Cannot SSH to localhost without password

First off, I want to say that I've tried everything in this question here, and it didn't help me: How to SSH to localhost without password? I had a file permissions issue recently because I don't ...
0
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1answer
91 views

IP address appears instead of hostname on LAN to network router

In the CentOS 6 servers the hostname command displays the name, but in the "PC NAME" field in the Actiontech router it displays the IP address. How can I make sure the CentOS servers are communicating ...
0
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1answer
241 views

dns forwarding for specific zone not working - bind

In bind we created specific zone and got set a forward options, but it fails to resolve. Details as follow, For mydomain.com dns working fine. but we use developer site called mydomain.com.dev we ...
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0answers
672 views

How to install GLIBC_2.15 and GLIBCXX_3.4.20 on centos 6.6 ?How to setup YCM?

Recently I'm trying to setup YCM on system of centos 6.6,however the system doesn't provide gcc of version high enough to support the work of clang.It is quite a trouble for me to update the gcc,more ...
4
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0answers
545 views

Upgrading glibc in centos 6.6

My server is using glibc-2.12.x. when I install certain packages it gives an error.Dependency not found glibc-2.14 or above is required.When I try using yum install glibc* it says server is already ...
2
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1answer
149 views

How to chown file to containing folders owner

How would you go to chown a file to the containing folder's owner lets say I moved a file from /home/userA/folder/abc.bin towards: /home/userB/finalfolder/abc.bin How can I chown abc.bin ...
0
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1answer
828 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 ...
1
vote
1answer
614 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 ...
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0answers
195 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
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0answers
22 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 ...
2
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0answers
312 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 ...
1
vote
1answer
1k 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
283 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
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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 ...
0
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0answers
208 views

Installed PHP extensions to wrong PHP version

I just bought a VPS and it came with PHP5.3.3 and that wasn't good for our website, so I successfully (so it seemed, anyway) installed PHP5.6.7 and successfully registered it with Plesk. For the ...
2
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1answer
4k 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
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1answer
57 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
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0answers
29 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 ...
0
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1answer
384 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
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1answer
321 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 ...
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0answers
45 views

Install 32 bit DB2 on 64 bit centos 6.2

I am trying to install 32 bit DB2 (9.0.3) on my 64 bit centos 6.2 but an error occured during installation that is shown below: There has been an attempt to install a DB2 install image for a ...