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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Wildcard SSL cert warning of insecure content across sub domains

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 ...
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1answer
17 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: ...
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27 views

Failed to access web server from external network

Fixed formattingI have a virtual machine with CentOS 6 behind NAT, serving as a web server. Unfortunately at some point it was found out that it's not accessible from external network but can be ...
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37 views

Strange Memory Usage Behaviour in CentOS 7

I'm running three virtual machines in a VMware host (vCloud): i1 - 2 vCPUs, 4Gb RAM, CentOS 7 (Linux 3.10.0-229.4.2.el7.x86_64) i2 - 2 vCPUs, 4Gb RAM, CentOS 7 (Linux 3.10.0-229.4.2.el7.x86_64) lb - ...
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0answers
14 views

How to add additional domain to vps [on hold]

I have a vps with primary domain xyz.com Now I want to setup another domain abc.com such that it points to xyz.com/newdomain Currently I have setup abc.com such that it is pointing to my vps home or ...
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0answers
5 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 ...
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0answers
32 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 ...
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34 views

Add Disclaimer using alterMIME and Postfix on CentOS Linux

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 ...
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15 views

OpenVPN client side, how to? [on hold]

I have installed & configured OpenVPN on my Centos 6.6 central server. I aim a multiclient-oneserver configuration. It's all good - not tested yet - by the server side. I now wonder how is the ...
0
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1answer
39 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 ...
2
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1answer
28 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 ...
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0answers
26 views

mail works from webmail, outlook/thunderbird/macmail can't connect to smtp

So I'm on a digitalocean vps running Centos 6.5 and the vesta control panel. I've set up an email address jburnett@jamesburnett.com and everything works (send and receive) from webmail, however, no ...
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0answers
14 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 ...
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0answers
22 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 ...
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0answers
16 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 ...
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0answers
25 views

How to Create and Restore a Snapshot of CentOS from one to another Server

I own a server at SoYouStart (OVH), I have installed CentOS 7. PHP, Apache, PostgreSQL, Varnish, etc ... I want to clone the same server with the same configurations and software to my new server on ...
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1answer
30 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 ...
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1answer
17 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 ...
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41 views

Banned from SSH Centos server but can't find where [SOLVED]

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
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1answer
34 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 ...
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votes
1answer
28 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 ...
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12 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 ?
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3answers
66 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 ...
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11 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 ...
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0answers
20 views

`aptitude` like conflict resolution on RHEL like systems? [closed]

Is there any package manager for CentOS and such that, like aptitude, lets you navigate alternatives of add-proposals and remove-proposals? The machine is not mine so in principle a GUI program ...
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0answers
13 views

Using /etc/fstab to add a mount as a user (VirtualBox, centos) [migrated]

I'm mounting my mac folder as a share in virtualBox CentOS6 machine with the following command: mount -t vboxsf git /mnt/git/ -o uid=500,gid=500 It works perfectly but I can't figure out how to ...
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0answers
26 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 ...
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1answer
22 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
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1answer
76 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
38 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
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1answer
28 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
33 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
24 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
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1answer
34 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 ...
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0answers
23 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
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1answer
63 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 ...
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votes
1answer
34 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
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3answers
266 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
36 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 ...
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0answers
13 views

working webserver failing after install ispconfig [closed]

I had a working webserver on 200.124.128.148 with webmail (squirrelmail) and phpmyadmin, and a wordpress installaion. Now i tried installing ISPConfig and the mainpage goes to apache testsite, and so ...
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0answers
32 views

Centos Server fault [closed]

My Server continually at intervals of a few days is problems. But after reboot every OK. log: May 17 14:21:39 MyServer kernel: [67644.239105] trivial-rewrite invoked oom-killer: ...
1
vote
1answer
33 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
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2answers
27 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 ...
0
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1answer
41 views

mysql error when running script to dump all databases

I am having mysql server in centos which is running fine, i recently got a script to dump all individual databases to one folder, when i run that script to dump, i'm getting this error when ever i run ...
0
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1answer
29 views

centos 6 64bit crond not running on startup?

I have two VPS from ramnode, centos 6 64bit. I have reinstalled server 2 several times and also tried 32 bit centos 6. Same problem. Whenever I type reboot and then service crond status it says ...
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2answers
35 views

ssh not using /etc/hosts to resolve hostnames

This is how my /etc/hosts file looks in /etc/hosts: If I try to connect to one of these machines with ssh: ssh -p 22 ramy@Ramy-MacBook I get an error: ssh: Could not resolve hostname ...
1
vote
1answer
41 views

Kickstart fails to set up multiple bonded interfaces

I’m having some trouble setting up bonded interfaces in a CentOS 6.5 kickstart script. I have 8 physical network interfaces, which want to be configured in pairs as 4 bonded network interfaces. My ...
0
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1answer
31 views

Got blocked by server after starting TCP nodejs sever. Why?

I recently installed node on my VPS, and tried to complete a tutorial. I saved this code into server.js and hit node server.js in putty. I got instant "ban" from my VPS, I can't access it, however on ...
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0answers
31 views

Block All Connections Not From CloudFlare [duplicate]

I have a simple request. I would like to only allow traffic to my server from cloudflare. My website is being pounded by attacks, and there is no legit reason someone should be making a connection to ...
0
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2answers
65 views

Centos 6 - Postfix wont send to own domain without flag

I am moving a site to another server and am having an issue with PHP mail. But only when sending mail to the host domain e.g anything@example.com. mail($send_to, 'Web contact' ,$message,null,"-r ...