CentOS is a free (as in beer and speech) GNU/Linux distribution that is community driven and based on source code released from RedHat.

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1answer
277 views

Server unexpectedly closed network connection (sftp + putty) [closed]

I am running CloudLinux 6.6 with Cpanel/WHM. We had disabled default port 22, but a client required it, so ever since I switched back to port 22, we have experienced "Server unexpectedly closed ...
0
votes
1answer
178 views

Error installing php-devel 5.5 CentOS 6

I am trying to run pecl install couchbase but am having trouble with php-devel and its dependencies. When I try to run yum --enablerepo=remi-php55 install php-devel I get the following error. My ...
0
votes
1answer
29 views

Intercept incoming emails via Dovecot

I'm looking for a way to intercept emails received via a dovecot server. Our intent is to somehow capture the header and body of the email, store it in the database (as useable data) which we can ...
0
votes
2answers
63 views

CentOS root user crontab for mysqldump

I am using CentOS 6.6. I am trying to set up a crontab. I made an .sh script which runs perfectly when executed manually. The command is following: mysqldump --skip-lock-tables --single-transaction ...
0
votes
0answers
52 views

MySQL frequently starts returning empty results on SELECT and throws no errors. After restart it starts working as expected

MySQL started frequently returning empty results to all queries on all databases until I restart it after which it again works as expected. No errors are thrown or logged and the MySQL server keeps ...
0
votes
1answer
50 views

vsftpd login error: 530

I'm running the vsftpd ftp-server on Fedora Server 22. The problem is, if a user try to login with a correct password, the following error occurs: "530 Login incorrect." vsftpd.conf : listen=YES ...
0
votes
1answer
162 views

nginx on fedora fastcgi not working

I'm running nginx on Fedora Server 22 and fastcgi scripts are not working. Under http://panel.minefight.org/ enter any login data, it doesn't load the password fail or success site. The same thing ...
0
votes
1answer
193 views

Boot time log: 'Failed to start Postfix Mail Transport Agent'

centos 7.1 postfix 2.10.1 After restarting server in /var/log/messages during boot time Postfix noted only in these 4 lines (all actions during 1 second): systemd: Starting Postfix Mail Transport ...
0
votes
1answer
158 views

Ansible shell command fails under sudo when it should succeed

I have an Ansible task based on https://github.com/al3x/sovereign/blob/master/roles/tarsnap/tasks/tarsnap.yml#L2 that keeps failing when it should succeed. I used to run the role with ...
0
votes
1answer
64 views

Server crashing daily at 3:40am

I have a cloud server with rackspace. It is CentOS release 5.10 (Final). 40GB storage, 1gb ram, 2gb swap. I am running the kloxo control panel to manage the virtual hosts. Every day it eats up all ...
1
vote
1answer
80 views

OpenDKIM milter with Postfix

I just configured opendkim and postfix and it is supossed to be signing my emails but it doesn't. I used /usr/sbin/opendkim-testkey to test the keys and it seems to be ok with them but the mails I ...
0
votes
3answers
53 views

iptables actively refused everything despite exceptions

I was following the centos wiki page on iptables but no mater what I change only port 22 opens. Using various port scanning websites they all say the server is actively refusing connections on all ...
-2
votes
1answer
33 views

Increase of Virtual Memory after update of CentOS7

I have made system updates on CentOS7 and now my Virtual Memory is full used. Before the updates the virtual memory was completely empty/swap Why? Is it a problem? How can I decrease the virtual ...
0
votes
1answer
26 views

Command will run in shell but throws unexpected EOF error in cron [duplicate]

I am trying to run the following in cron to back up a server every morning at 4am: 0 4 * * * dump -0uan -f - / | gzip -2 | ssh -c blowfish user@server dd of=/backups/`hostname`_`date ...
0
votes
2answers
42 views

How to run 5 php processes, which uses different eth interfaces?

I'm using cron to run everyday script, which has to run 5 php-cli processes. I need them to use separate interfaces. I have 5 devices, eth0, eth1, eth2, eth3, eth4. How can I call php to make sure ...
0
votes
1answer
32 views

yum should error when a package is not available

I recently ran into a bug in a script where I tried to do the following: yum -y install another_package.x86_64 some_package.x86_64 && run_my_script The script ran well on a newer CentOS, ...
0
votes
1answer
22 views

Pacemaker continously logging “Changed active directory”

I have a newly installed CentOS 6.6 two-node cluster using Pacemaker. Every 10 seconds /var/log/pacemaker.log shows this "Changed active directory to /var/lib/pacemaker/cores/root" message (and ...
-1
votes
3answers
51 views

Wildcard SSL cert warning of insecure content across sub domains [closed]

I have a wildcard SSL certificate installed on various servers for different sub-domains. When looking at any pages or other content directly all browsers are happy with the certificate. But if I ...
-1
votes
1answer
104 views

Installing Java 32bit rpm on 64bit CentOS

Downloaded the - jre-8u45-linux-i586.rpm Opened console - su mkdir /usr/bin/java [No java was installed before] cd /usr/bin/java rpm -ivh jre-8u45-linux-i586.rpm [Tried installing] error: ...
0
votes
1answer
52 views

Kerberos SSO virtualhost different domain

I have a running centos6.6 server who authenticates against a windows 2008 AD with realm EXAMPLE.LOCAL. I have successfully configured an apache webserver for authentication through kerberos keytab ...
0
votes
0answers
57 views

ProFTPd + MySQL + Apache

I am trying to set up a LAMP server with ProFTPd using MySQL authentication This is a dedicated server with a single website under /var/hitr/public. I'd like to use proftpd to for user's configured ...
0
votes
0answers
66 views

Add Disclaimer using alterMIME and Postfix on CentOS Linux [duplicate]

I need to configure Postfix to add a .JPG signature on all outgoing mail. I run postfix on CentOS Linux 7. I followed the document on ...
0
votes
1answer
195 views

ntpd error: unable to bind to wildcard address 0.0.0.0 - another process may be running - EXITING

I have a problem. Time on server not synchronized. And it seems that this problem was appear after I set my rules for iptables, which I described here May be I'm wrong and these two events are not ...
1
vote
1answer
236 views

Centos Squid Proxy Server for Windows Updates

I'm running Centos 7 as my OS and have installed squid to cache windows updates for my company. Going through the log file, it shows that everything is tcp_miss, including when it's accessing the ...
0
votes
0answers
15 views

CentOS VPS is possibly rooted, but no tools show anything [duplicate]

I've received a notification from my VPS provider (Afterburst) that my VPS is trying to scan and bruteforce other people's servers. I know that I'm not doing this, and I know that nobody else with ...
0
votes
0answers
107 views

qemu-img VHD to raw image convert results in bad geometry:

Is anyone else able to reproduce this? Using StarWind V2V Image Converter on Windows, I'm able to get a valid disk.img file, so the source image.vhd is clean (pulled down from rackspace). Is this a ...
0
votes
0answers
23 views

CentOS 7 Automated SSL Generation from Active Directory

I have an Active Directory Server setup for Certificate Services. I am able to manually generate certs as needed. However, I need to find a way to automate the sending of the cert request to AD and ...
0
votes
1answer
45 views

EC2 volumes & partitioning

With Amazon EC2 CentOS 7 HVM community image machine just thinking for volumes & partitioning. Would it not be good that I create default 8GB volume sda for root device for all operating system ...
0
votes
1answer
79 views

MS Data protection manager restore files from linux vhdx

We are backing up our few linux VM servers (Centos 6.6 with VSS , Online backup) in Hyper-V 2012 R2 with Microsoft Data Protection Manager 2012 R2. Its backing with Online method. In Windows VMs ...
0
votes
0answers
80 views

Banned from SSH Centos server but can't find where

For some reason my ip address is banned from using ssh or sftp. I have no problem connecting to the server using an other ip nor i have problems reaching all other services (like http, teamspeak) with ...
0
votes
1answer
49 views

Cannot find error in iptables firewall configuration

I'm struggling with a firewall problem on my Centos server. I have the following configuration which when I use it with a service iptables restart and I try to ssh to the server with putty, I cannot ...
-1
votes
1answer
156 views

Minimum System Requirements for MariaDB [duplicate]

I recently set up a CentOS 7 server on digitalocean, I went with the $20 a month plan because i found these minimum specs for MYSQL. When i did a LAMP install it had me install MariaDB instead. I'm ...
0
votes
0answers
43 views

How to set cups quotas per users on centos from active directory domain?

How can I import cups users from active directory domain which is installed on windows server 2008 R2 and set quotas per users on cups printing server which is installed on centos 6.6 ?
0
votes
3answers
263 views

How to install packages offline?

Our server runs offline and we need to install lot of yum packages, like oracle-jdk, elasticsearch, nginx, etc. Is there any way to download the rpm dependencies so we can install them offline in ...
0
votes
0answers
25 views

Scalix - Finding out when a mailbox received its last email

I have an old email-server that I want to shutdown. To do that I want to know when each mailbox on that email-server has received its last email. Sadly i don't know much about Scalix, just a few ...
0
votes
0answers
52 views

Building a stack of SRPMs in build-dependency order

If I have a stack of SRPMs that I'd like to build, leading to a final product binary RPM. Many of the SRPMs require the built RPMs of other SRPMs to build. These requirements are expressed in the ...
0
votes
1answer
25 views

Security risk in using one user for all shared hosting clients?

I have currently setup my CentOS 6.6 VPS for clients who host websites on my server. They have FTP access using a virtual user (with vsftpd as the real user) that is chrooted to their www folder. ...
1
vote
1answer
419 views

SSL broken encryption in Firefox

I have an SSL wildcard certificate installed on a number of servers, in Firefox the padlock is broken citing a issue with encryption. Broken Encryption (TLS_RSA_WITH_RC4_128_SHA, 128 bit keys, TLS ...
1
vote
1answer
185 views

Unable to use builtin CA bundle to verify GoDaddy SHA2 SSL certificate

I ran into an interesting problem. We have a PHP script that contacts a LTL shipper (https://facts.dohrn.com/). That script has been failing because it can't validate the SSL certificate. I went to ...
1
vote
1answer
46 views

Change the logs directory for CentOS

The default directory in which the OS writes its logs is '/var/log/', I want to change that directory to another one that I create. How can I do that? Note: I tried changing the paths (/var/log/.) ...
3
votes
1answer
50 views

Understanding CPU% on Apache Extended Server Status

I just migrated an existing fairly high traffic website to a Digital Ocean droplet and I viewed the Apache extended server status page. It shows the information below. One thing I noticed is that ...
1
vote
1answer
28 views

Apache Module blocking access to FTP [closed]

EDIT: previous server admin changed all sites to use Apache Module. Now the sites only run on apache:apache Problem is, now the client can't access their files in Filezilla, since originally the user ...
0
votes
1answer
46 views

Does this partition setup look OK for Centos 6.x and Plesk panel?

I have a new server with 2x3TB HDD, I want to setup software raid 1; When I use host's automatic install it makes my largest partition 2TB and the other 1TB a separate partition (not nice). So I am ...
0
votes
0answers
82 views

*** glibc detected *** /usr/sbin/httpd: free(): invalid pointer: 0x068977f0 ***

Completely fresh install of CentOS and I've installed PHP, MySQL and Apache with all modules, when I first tried to run the service the following message is in the error_log followed by a memory map. ...
0
votes
1answer
77 views

CentOS 6.6, Limits of user-specific environment

So I'll add context, but my BLUF is this: In an organization that actively prefers "old, known, stable" (CentOS 6.6, highly curated Repo, etc...) to "modern, efficient, effective", but allows me ...
-1
votes
1answer
101 views

How to install phpmyadmin in centOS

I use a vps and it has centOS 6.5 . I installed Nginx and php and mySql clearly. But when I tried to install phpMyAdmin by these steps , in Step Three when I enter this code: sudo yum install ...
3
votes
3answers
310 views

How can I create one large partiton over two drives in CentOS?

I've got a new dedicated server that I want to use purely for backup purposes. [root@dedi ~]# df -h Filesystem Size Used Avail Use% Mounted on /dev/sda3 20G 942M 18G 6% / tmpfs ...
1
vote
1answer
307 views

ERROR The requested URL could not be retrieved - when accessing URL by using PROXY

I'm getting this error message: ERROR The requested URL could not be retrieved The following error was encountered while trying to retrieve the URL: http://xxx Read Timeout The system ...
1
vote
1answer
53 views

Unable to get Virtualhost config working with Apache 2.4.6

I had a HTTPS site running successfully under Apache 2.4.6 on CentOS7. I was then asked to host another site on the server, which at the moment is just HTTP but will eventually also move to HTTPS. I ...
0
votes
2answers
47 views

CentOS Multi Nic and Policy Routing?

I'm not familiar with CentOS and I need help doing the routing for this. I have a CentOS box with 3 NICs. eth0 Link encap:Ethernet inet addr:10.50.121.16 Bcast:10.50.121.255 ...