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.

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2answers
84 views

Centos Server Crashed and wiped everything after network restart

Using Centos 6, I modified the hosts and network file, restarted and everything has been down. Here are the steps. modified /etc/hosts to update the ip from what my dedicated server seller originally ...
0
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1answer
42 views

SSL Working fine how can I add in http to https redirection?

Hi I'm having major problems with a server, SSL works perfectly WHEN connecting with HTTPS://..., I need to set up redirection from http to https. This is my ssl.conf, Centos 6, with one IP address. ...
-1
votes
1answer
330 views

SSL works fine, how can I add in https redirection from http?

Hi I'm having major problems with a server, SSL works perfectly when connecting with https://..., I need to set up redirection from http to https. This is my ssl.conf, CentOS-6, with one IP address. ...
0
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0answers
380 views

Centos: scp stalls after sending some data and then both NIC's become unavailable, what could be the reason?

I have a brand new Dell R610 server installed with latest Centos 6.4 . This server has been purchased in a bulk of 5 servers and all other servers act the same. I'm trying to scp a centos.iso file ...
1
vote
1answer
545 views

Unlocking Server IP via Google's DisplayUnlockCaptcha over SSH

An IP on one of my linux servers running a php script is getting a error authenticating with google's SMTP server. It's rejecting the authentication even though it's the proper credentials. In the ...
0
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1answer
278 views

When running postfix & dovecot, who should own /var/mail and what permissions should it have?

I had an issue where either postfix or dovecot did not have permission to create user directories in /var/mail. Doing ls -l '/var/mail' showed me that the owner and group was root root. 1 root root ...
-1
votes
1answer
278 views

How to change apache php version

I have a centos 6 vm as my development environment and came with php5.3.3 By this I mean I use yum to install php (yum install php) I install php 5.4 with these instructions ...
3
votes
1answer
75 views

Nginx with www and without www

I have a server directive with nginx: server { listen 80; server_name mydomain.net; root /home/sites/mydomain.net; location ~ \.php$ { ...
0
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1answer
82 views

Creating a new system user didn't create a folder in /var/mail for the user - why not?

I am using postfix with virtual domains. Normally I add a system user, and then add the email to /etc/postfix/virtual. For the latest user I added however, there was a problem, and in the maillog it ...
0
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1answer
60 views

I have setup mail.mydomain.org, but now for another virtual domain, i'd like mail.thatdomain.org as well - how?

I'm using postfix and a mail dns mail.mydomain.org But now I am adding another virtual domain and I would like a mail dns for that as well, e.g. mail.mydomain.org and mail.newdomain.org. I have ...
1
vote
1answer
265 views

My postfix is letting me send emails through it without a username password - how to disable?

My postfix is letting me send emails through it without authentication. It has been setup to allow authentication, but it also allows non authenticated sending which I'd like to stop. What config ...
-1
votes
1answer
416 views

How to increase disk write-speed for SSD RAID10 array?

I've had no luck searching how to setup writeback cache on a RAID10 setup using mdadm software RAID. I'm trying to set this up for a 4x256Gb Samsung 830 SSD setup which only has 400Mb/s write speed... ...
0
votes
1answer
144 views

How to open iptables ports inside a cluster?

How can I use iptables to open ports 21001-22000 in a cluster, allowing the worker nodes to communicate between them and with the front-end? The cluster is configured with CentOS 6.3, Rocks 6.1 and ...
3
votes
2answers
2k views

check what 32-bit packages are installed on a 64-bit server

I'd like to check the binaries installed on my server and know if the is a 32-bit binary installed. rpm -qa would give me all the packages installed. However if i try to grep through it like so, rpm ...
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votes
1answer
478 views

How to undelete just deleted directory with “rm -R” command?

I deleted an important directory with rm -R command. This is an very populer host data. It was located /var/zpanel/hostdata/ayrintilih After remove ayrintilih directory has gone everything. I tried ...
0
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0answers
201 views

Installing Linux on Fujitsu RX100/200 S7 Without deployment disc?

Is it possible to install for example Debian or CentOS without the deployment tools provided by Fujitsu? I've tried installing both of the distros mentioned above without any luck. It get's stuck ...
0
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1answer
61 views

Getting frequently 403 Error on Apache centos6

I'm getting following error message frequently. If I hit refresh(F5) again, I get website without any issue. Forbidden You don't have permission to access /admin/product_scientist/index.php on this ...
0
votes
2answers
1k views

grub always will boot to grub command line

I have a remote CentOS 6.4 server (with KVM access), when I received the server it was running with LVM on single disk (sda) I managed to remove LVM and install raid 1 in sda and sdb disks the ...
0
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1answer
447 views

PMTA wont start

I ran a debug and this is what it spit out... Startup error: Error initializing thread: Error binding socket to 0.0.0.0:25, status = EADDRINUSE Never seen this before. All help is appreciated.
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votes
1answer
480 views

Would cPanel or Plesk slow down my site/server? [closed]

My senior sysadmin told me that if I install cPanel or Plesk (or other panel) on a client's machine as it would slow down the server/site (WordPress on LAMP). This doesn't seem to make logical or ...
1
vote
1answer
639 views

Crons not working on ISPConfig3

I have a CentOS LEMP stack with ISPConfig3. Everything is working perfectly, except for the cron jobs. I have tested the commands from command line, and they seem to be working fine, but when I put ...
0
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0answers
819 views

mod_evasive fails to add ip to firewall (iptables) on CentOS

My problem is same with this question but unfortunately this question has no answer mod_evasive DOSSystemCommand not working mod_evasive installed and works by giving 403 error which is fine. But I ...
0
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1answer
124 views

CentOS NFS server session crashes

I recently received some alerts that 2 of my backups failed to an NFS mount in my environment. After reviewing the logs I realized that the software was unable to establish a connection to the NFS ...
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3answers
892 views

want to Make software router having two nic cards using centos 6.4

I'm new on CentOS. I have a CentOS 6.4 system having 2 NIC cards. I want to setup a gateway so I can get internet from public ip over 1st nic card (eth1) and forward the network over 2nd nic card ...
0
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2answers
2k views

virt-install KVM “Cannot open display ”

So I am trying to create a VM using KVM (on CentOS 6.3) and the command I use is as follows: virt-install --connect qemu:///system --virt-type kvm --name ffVM32 --ram 1024 --disk ...
1
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0answers
803 views

Cent OS 6.4 VPS went down unexpected

I have a cloud VPS at Digital Ocean , Recently it went down on its own, i was using pingdom alert which notified me about it, so i booted up the VPS again to find out what caused this . How can find ...
0
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1answer
100 views

Keep guest time after shutdown using KVM/libvirt

I use KVM/libvirt based virtualization. Some of vm guests have set date far in future (2-3 years, different month, day, etc) After each guest shutdown down, the date is being set to host date ...
-1
votes
1answer
93 views

Spamassassin failing to parse config line with user_scores_custom_query rule

I'm trying to setup spamassassin per user config files via MySQL, and I get this error: Sep 8 12:09:13.668 [12307] warn: config: failed to parse line, skipping, in "/etc/mail/spamassassin/local.cf": ...
0
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0answers
237 views

Procmail (permission related) - delivery fails: “process exited returning 77”

Procmail fails to deliver any mail to local users. Bounce message I receive is following: Diagnostic-Code: x-pmta;Error running "/usr/bin/procmail -t -Y -d james": process exited returning 77 ...
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1answer
47 views

CentOS Postfix Server Hanging on NULL Recipients

I have a CentOS server that runs postfix and whenever a null recipient is sent to it, the server freaks out. Instead of simply rejecting the mail, it doesn't know what to do with it and tries over and ...
0
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1answer
1k views

CentOS 6 restrict user ssh access to his home folder

I am trying to restrict a newly added user to his homedir /home/username. Don't want him to be able to cd out of it. I have this my sshd_config: Match User username ChrootDirectory %h ...
0
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1answer
2k views

Dependency problems updating Centos 6.4, 64 bit

I'm having dependency issues while trying to update Centos 6.4 ,64 bit here is the output when I run yum update: yum update Loaded plugins: fastestmirror, priorities, refresh-packagekit, security ...
2
votes
2answers
1k views

Can I use the worker MPM with mod_php?

After reading this answer, I decided to change httpd's MPM on my server to worker. But while editing /etc/sysconfig/httpd, I noticed this comment: # The default processing model (MPM) is the ...
3
votes
2answers
962 views

Is there a big difference between CentOS 6.4 to 6.2 and should I up/down-grade?

We have two separate managed web servers. One is running CentOS 6.2 and is used as a production environment for a number of sites. The second one runs CentOS 6.4, and hosts some internal applications, ...
0
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1answer
125 views

Multiple POST SQL injection from same IP [duplicate]

Recently I checked my Apache domlog and noticed the following attack: POST ...
1
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2answers
1k views

ImageMagick for Centos 6.4 [duplicate]

I have already installed ImageMagick on my server which is running centos 6.4 yum install ImageMagick Version is very old : 6.5.4-7 2012-05-07 Q16 I discussed about this with ImageMagick's official ...
1
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0answers
227 views

How to disable MD RAID or prevent degraded arrays from starting. (Centos 6.4)

I am trying to disable software RAID at boot time. My ultimate goal is to prevent the system from starting raid arrays that are in a degraded state. rd_NO_MD is present on the kernel command line by ...
1
vote
2answers
244 views

Cent OS 6 clock 3 minutes 35 seconds in the future

I run Cent os 6 64 bit on linode. server (incorrect): date Thu Aug 29 11:41:00 BST 2013 client (correct): date Thu Aug 29 11:37:25 BST 2013 As you can see the server clock is ...
1
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2answers
1k views

CentOS 6 missing dependencies for default PHP

I have a brand new Dedi install of CentOS 6 x86_64, nothing has been done to it but install rpmforge and htop. Other than that we are default, well as default as GoDaddy gives which is garbage ha ha. ...
3
votes
2answers
3k views

Is a hardware watchdog already active at my CentOS server?

I rent a dedicated server (with Intel Haswell CPU and custom hardware) at a lowcost hosting service and use it with CentOS 6.4 / 64 bit Linux (with stock kernel: 2.6.32-358.14.1.el6.x86_64). Every ...
2
votes
1answer
674 views

PHP-FPM not working as global PHP handler on Apache, CentOS 6.4

I'm trying to switch PHP handler on my server from mod_php to PHP-FPM. But something with my setup is worng. When I'm trying to open server.com/info.php, it's being opened as standard text showing ...
0
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1answer
211 views

TOLVEN installation: Test Database and LDAP Connections After ConfigPhase1

I am trying to install tolven, and following the manual http://wiki.tolven.org/index.php/Installation_Guide My linux system info is as follows: root@localhost:/> cat /etc/issue **CentOS release ...
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votes
2answers
741 views

httpd unpacking error on installing subversion and mod_dav_svn

I am unable to make subversion working on centOS 6.4. I am getting httpd unpacking error on installing mod_dav_svn. I am getting the following error. Running Transaction Installing : ...
2
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2answers
45 views

How can I distinguish the base packages from the rest when running rpm -qa?

I wrote a script which along other tasks connects to a remote server and pulls a list of all installed packages and installs them, Like so: echo -e "\e[36m#===# Getting list of packages to install ...
0
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1answer
232 views

Change the default IP address of a CentOS 6 dedicated server

I have a dedicated box running CentOS 6. I'd like to change the default IP address, I googled a lot and I found this suggestion: (1) Run these two commands via SSH: sudo -n ifconfig eth0 down sudo ...
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votes
1answer
2k views

PHP 5.3.27 on CentOS 6.4

Can someone tell me how to setup PHP 5.3.27 on CentOS 6.4 without using remi repos and without compiling PHP myself? I tried googling a lot but it always gives me results for upgrade on CentOS 5.
0
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0answers
188 views

ccs_tool addnode and addfence error invalid option — 'C'

I'm installing GFS2 on centos 6 with SAN and fiber channel. I followed this link: ...
0
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1answer
655 views

How to grant privileges to mysql user? CentOS 6 and ZPAnel

Installed ZPanel on CentOS 6. Created user, added database. But user has no privileges. Tried to create in SQL shell with GRANT ALL PRIVILEGES ON db_name.* To 'name'@'localhost' IDENTIFIED BY ...
0
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1answer
2k views

Unable to access VLAN host from VLAN interface in CentOS

I am playing with VLAN (Virtual LAN) configuration on CentOS 6.4. I have 2 interfaces, eth0 and eth1. I have configured 2 VLAN interfaces eth0.20 and eth0.30 as #file: ifcfg-eth0.20 #------------- ...
3
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3answers
692 views

Centos: How to install all packages of one server on another?

I've done rpm -qa > file and now I want to copy the file to another server and run through it and install all these packages on the new server. I did something like this: for pkg incat file; do yum ...