CentOS is an Enterprise-class Linux Distribution derived from Redhat Enterprise Linux sources freely provided to the public.

learn more… | top users | synonyms (2)

2
votes
1answer
3k views

php5.6.2 installation with httpd24 ( apache version 2.4.10 ) on centos/rhel

using this repo : http://dl.iuscommunity.org/pub/ius/stable/CentOS/6/x86_64/ius-release-1.0-13.ius.centos6.noarch.rpm for php installation , and for apache i am using amazon linux repo current ...
2
votes
1answer
2k views

Unable to use yum repos whether with baseurl or mirrorlist in CentOS 6.5

Since a couple of days, I'm unable to retrieve repositories data with Yum, in my CentOS 6.5 server. I did yum clean all a dozen of times, it emptied all but didn't solved the problem. I tried to ...
2
votes
1answer
297 views

lz4 Kernel Module in CentOS without recompiling

I just installed CentOS 7 on a vServer to play around with. Usually I use Debian. Since I had good results, I want to use zswap. I enabled it by putting zswap.enabled=1 zswap.compressor=lz4 in the ...
2
votes
1answer
184 views

Automated Install Fails due to CRC on /dev/sda

I'm running an X8STI-3F with an onboard LSI 1063E SAS controller running in IT mode. I'm trying to get an automated install going on it and I keep getting ddf1: physical drives with CRC AE516B03, ...
2
votes
1answer
372 views

rpm temp file question (rpm-tmp)

When installing an RPM on CentOS, I receive the following error message: /var/tmp/rpm-tmp.44492: line 578: [: too many arguments The trouble I'm having is that /var/tmp/rpm-tmp.xxxxx file is always ...
2
votes
1answer
66 views

Can't acces DNS

I'm running CentOS as a Virtual Machine. I can access the VM's server (IP = 192.168.0.107, which displays a phpinfo() page as it should), but now I would like to acces a custom domain name: "imd.be" ...
2
votes
1answer
2k views

Can I change uuid for network interface in ifcfg-eth* using uuidgen?

I'm creating a script which configuration the network interfaces. The script which generates /etc/udev/rules.d/70-persistent-net.rules and names interfaces to my preference. In CentOS 6.5, my ...
2
votes
1answer
284 views

How can I list all the dependencies necessary to install PHP-Soap?

I have a server running Centos 5.10 with no internet access that I control remotely on which I'd like to install PHP-Soap. I also have an identical box in the office which is a clone of the remote ...
2
votes
1answer
207 views

gnome “switch user” shortcut or command line

Is it possible to switch user of gnome desktop environment by single command or any shortcut key, in centos 6.0, or Can we create shortcut key? I found "fusa", but still unable to install it.
2
votes
1answer
416 views

pptpd dead but subsys locked? on cent os

i install point to point tunnel (PPTP) in my VPS. (Cent OS 6 64 Bit) everything fine after reboot the PPTP not worked client side. the pptpd status shows " pptpd dead but subsys locked ". how to ...
2
votes
1answer
273 views

GlassFish/Tomcat security issue between domain users in linux server (alternate docroot issue)

Let's suppose we give to different users(clients) different domains (one domain for one user) in our glassfish application server for their work. This glassfish works in centos 6 server. Every user ...
2
votes
1answer
84 views

How can I tell if a third-party repository is reputable?

Among other things, I want to install ffmpeg on a CentOS server of mine (just a personal server - nothing too special). I noticed that one set of installation instructions advise to add a DAG ...
2
votes
1answer
413 views

CentOs eth2 wont start on reboot

I have Cent OS 6.4 inside my virtualbox with two ethernet devices. One is connected to the internet with NAT, the other is connected to the internal network. here is my eth2 config file cat ...
2
votes
1answer
1k views

Which processes swaps memory

I can see swap's total, used, free etc. sizes from top command. But I can't figure out which process uses swap, is it possible to find out swap memory by process? I'm running CentOS 6.3.
2
votes
1answer
644 views

can't connect to samba drive in centos 6.3

#smbclient //ballzdeep/torrents Server not using user level security and no password supplied tree connect failed: NT_STATUS_BAD_NETWORK_NAME Does this mean i need to require username and password ...
2
votes
1answer
316 views

Apache mail sending flowchart / workflow?

I am currently trying to get my head into learning how Linux systems send mail, starting from Apache, to Sendmail and finally out the door. Specifically I'm using CentOS 5 which is using Sendmail, ...
1
vote
1answer
20 views

Can anyone please help debug these ata error messages?

my Centos 6 server has been playing recently in that it seems to freeze up and lose network access. I've been getting a load of ata5 error messages in the log and after some digging have determined ...
1
vote
1answer
61 views

dm-0: WRITE SAME failed. Manually zeroing. Centos 7.1 on VmWare ESXI 5.5

I've got a error when system start on 2 VM's. dm-0: WRITE SAME failed. Manually zeroing. OS: CentOS 7.1 VmWare ESXI 5.5 1-st VM has LSI Logic Parallel type for SCSI controller on HDD Datastorage. ...
1
vote
1answer
50 views

How can I resolve “duplicates” in yum?

In a moment of confusion and impatience, I severely damaged my OS. Here's the deal... System: CentOS 7 Problem: essential packages like SAMBA do not work, and yum will not do anything. How it ...
1
vote
1answer
46 views

What regulates user privileges for the `mount` command?

My installation of CentOS 6.5 has stopped auto-mounting DVDs in KDE (default) X Window desktop environment (e.g. with all the KDE helper functions). Trying to troubleshoot this unexpected change in DE ...
1
vote
1answer
53 views

How long will Redhat / CentOS support the init system

Now that systemd the preferred way to start system services in CentOS 7, can anyone tell me in which release the init system will be completely removed? i.e no support for init scripts whatsoever?
1
vote
1answer
164 views

Unable to locally verify the issuer's authority

I am not able to open any https URLs using wget or curl: $ wget https://www.python.org --2015-04-27 17:17:33-- https://www.python.org/ Resolving www.python.org (www.python.org)... 103.245.222.223 ...
1
vote
1answer
36 views

ssh 3des private key encrypt and decrypt

i have converted my ssh private key with 3des encryption openssl pkcs8 -topk8 -v2 des3 -in ~/.ssh/id_rsa.old -out ~/.ssh/id_rsa how do I remove encryption and get the old key?
1
vote
1answer
57 views

Postfix Mail Relay Server with TLS

I currently have Postfix set up on a Centos 6 server, as a simple forwarding service. Currently in /etc/postfix/main.cf I have set the following: smtpd_client_restrictions = ...
1
vote
1answer
50 views

CentOS 6 Static IP Address

I've just assigned my CentOS machine with a static IP address using the /etc/sysconfig/network-scripts/ifcfg-eth0 which has the following lines and seems to be working #eth0 config DEVICE="eth0" ...
1
vote
1answer
75 views

How to create permanent ip alias belonging to different subnets in Centos

I followed this link and created few alias ips on my centos 6.5 machine but all these ips belong to same subnet. What I have: My machine: eth0, 10.91.56.3 IP Alias1:eth0:1, 10.91.56.4 IP ...
1
vote
1answer
82 views

Centos inside Virtualbox — how to set custom resolution?

I have Centos inside Virtualbox. I need custom resolution for my screen. I run xrandr as proposed on the net. New resolution appears in the dropdown. But it doesn't work. Virtualbox addons are ...
1
vote
1answer
45 views

Email evading my spam filter

I'm having trouble with email evading my Barracuda Spam firewall. I believe the spammers are using my A Record to bypass my MX Record which is what directs email to my Barracuda for processing. How ...
1
vote
1answer
469 views

How can I extend VMware Partition on Centos 7 using GParted?

I've a problem with increasing a partition from 20GB to 120GB, VMDK file. Here is what I've done: using vmware-diskmanager to increase vmdk file from 20 GB - 120 GB. It's ok. download and boot from ...
1
vote
1answer
67 views

Yum update is not working properly in centos

Yum update is not working.I am not able to ping the external networks too yum update Loaded plugins: fastestmirror, refresh-packagekit, security Loading mirror speeds from cached hostfile ...
1
vote
1answer
46 views

Cannot update password policy for user

I am trying to update the password policy for a user. It should be as follows: Must be changed every 30 days Once changed, cannot be changed for 3 days Must be disabled after 45 days of inactivity ...
1
vote
1answer
136 views

How to enable systemd user sessions for remote logins on CentOS 7?

I am trying to enable systemd user sessions on my CentOS 7 server. All the pieces seem to be there, and I have also run loginctl enable-linger <user>, but I don't have a systemd user session (or ...
1
vote
1answer
125 views

Bash script problem in RPM postinstall

I created an rpm package that extract a Node.js project into a specific folder and then I created a postinstall script that cd into that folder and perform an "npm install --production" #!/bin/bash ...
1
vote
1answer
181 views

Question about CentOS and KVM virtualization and PCI Passthrough

I want to replace Windows Server 2012 R2 and Hyper-V on my homeserver with CentOS and KVM. My plan is to virtualize one Windows 8.1 machine and several smaller Linux machines like on Hyper-V, there is ...
1
vote
1answer
236 views

LFTP mirror includes - including other directories other than what I've included

My question: How can I make sure LFTP only includes files AND directories using --include or --include-glob, and not download a bunch of extra directories from the root of the remote that aren't in ...
1
vote
1answer
27 views

CentOS Black Screen after 4+ hours of indexing

I am running a CentOS virtual image on virtual box. It has liferay and solr installed on it and I am trying to index a Lar file that is 50+ MB of metadata. This is estimated to take more than 12 hours ...
1
vote
1answer
74 views

Frequently can't access Virtualmin via browser

I have a CentOS 5 server over at Digital Ocean which has Virtualmin installed (because I'm a newbie and still learning). Virtualmin is accessed by visiting https://ipaddress:10000 but that URL almost ...
1
vote
1answer
130 views

How to run specific architecture (32/64) of Python in Centos6 when both are installed?

I have a Centos 6.6 Docker image being used for an automated build. It has the default x64 Python 2.6.6 installed. I need to run some things in a 32-bit Python environment. I snagged the ...
1
vote
1answer
127 views

How to force rpm and yum to fail if a GPG signature is missing or cannot otherwise be verified?

How can I force rpm and yum to fail if a GPG signature is missing from a package or otherwise cannot be verified due to a missing key? For the example below, assume the RPM has been signed but the key ...
1
vote
1answer
132 views

“not a valid package archive” when trying to install PHP extension?

I'm running CENTOS 6.6 on a VPS and am trying to install the ZMQ PHP extension and tried installing using the command shown in the instructions: sudo pecl install zmq-beta However, it fails, ...
1
vote
1answer
61 views

Initialise USB devices before hard disks during grub2 boot

I have a CentOS installation on a portable USB stick, with a grub2 installation on it's first partition. The system can boot when there are no internal hard drives plugged into a machine, but fails if ...
1
vote
1answer
31 views

3 versions of BerkelyDB installed

I have 3 versions of BerkelyDB installed on my server following 2 versions Package db4-4.3.29-10.el5_5.2.x86_64 Package db4-4.3.29-10.el5_5.2.i386 which are included in the Centos 5 Distro and ...
1
vote
1answer
42 views

How can I have a bridge that uses DHCP?

I have set up a linux box (centos 7) to use for virtualizing some servers. I have set up a bridge, but I need to do it with DHCP, but it doesn't seem to like it. The reason I need DHCP is because ...
1
vote
1answer
114 views

Cannot update new kernel for CentOS 7 although the server have space enough

I try to update kernel on my CentOS 7 but the yum say there is no space enough on /boot although /boot have 343 MB as show below: Filesystem Size Used Avail Use% Mounted on /dev/sda2 477M 105M 343M ...
1
vote
1answer
697 views

Bridge does not get IP via DHCP at boot

I'm running CentOS 7. I'm not running NetworkManager, and I've actually uninstalled it. My system is supposed to acquire an IPv4 address via DHCP on br0 at boot. Howver, when I log in, it has no ...
1
vote
1answer
63 views

can i get imap access using just postfix and mailx?

I have postfix and mailx installed on a CentOS 7 server. I am able to send and receive email from the command line using the mailx command. I am also able to read email in each user's inbox using ...
1
vote
1answer
43 views

SELinux ignoring configuration?

I'm using Vagrant and VirtualBox to run a CentOS 6.5 VM. In /etc/sysconfig/selinux I have set SELINUX=permissive. However, everytime I restart the VM, sudo getenforce shows SELinux as Enforcing. ...
1
vote
1answer
216 views

Thruk installation “failed to open socket”

I am extremely confused, and Google isn't really helping. Also, I'm kind of a Linux novice. I've taken a couple of classes, but that was all about how to configure things in a basic Linux setup. I'm ...
1
vote
1answer
57 views

Centos 5.01 can't connect to the internet

I am trying to download USB driver for centos 5.01 but I can't connect to the internet. I have tried to set ONBOOT="yes" , NM_CONTROLLED="yes" and BOOTPROTO="dhcp" on ...
1
vote
1answer
32 views

Delay before new/modified file appears

I'm seeing two separate cases where there's a (random?) delay before a new or modified file appears. The first case is my Rails development environment: I modify a code file (in vim) and save it, ...