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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CentOS Multilib version conflict

I'm trying to install HHVM on my CentOS 6.6, but this multilib problem is not letting me. Upon running yum upgrade, I get this result. root@invictus [~]# yum upgrade Loaded plugins: fastestmirror ...
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0answers
20 views

Unable to connect to MySQL with Iptables

I have a web server, lets say its IP is 10.0.0.2 and a separate MySQL server on 10.0.0.3. On the MySQL server I have the following firewall rules: # enable all traffic and delete existing rules ...
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1answer
22 views

The requested package php could not be found in any version

I'm trying to install the latest version of Technic Solder in my Plesk VPS server but composer is failing to detect the php version installed... What cant I do to fix that? My system is running ...
1
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1answer
12 views

Install php-soap56w on CentOS 7 x64 not working

I followed the guide located here to install PHP 5.6 with Apache on CentOS 7. Everything went along smoothly. I now need to install PHP-SOAP and it's gave me dependancy conflicts. So I used this ...
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0answers
13 views

can't change NIS account password from Centos-7 client “NIS server Centos-6”

I'm trying to change password for a NIS account from a Centos-7.0.1406 client and the server is Centos-6.6 it seems that passwd command don't ask me neither to change password nor ask me for old ...
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0answers
11 views

“__ANDROID_API__ undeclared” when trying to rebuild CentOS kernel

I have a basic docker image based on CentOS 6.5 (base, without updates). When I try to rebuild the kernel source rpm, I encounter the following errors: CHK -fstack-protector-all CHK ...
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1answer
45 views

High Memory server, apache not using All ram [on hold]

I have 64G Memory, 12coreX3CPU , SATA HDD... But memory using %5 ?? How to increase this limit? htop http://i.stack.imgur.com/STqtm.png top -c http://i.stack.imgur.com/TpjAx.png [root@ns228430 ...
0
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1answer
9 views

dhcpv6-client Open For Firewalld On Cent-OS 7

Hi I have checked and unable to find an answer to this already posted. I have reinstalled Cent-OS 7 on a dedicated server. It uses a template that OVH have (they are the provider of the server) for ...
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0answers
26 views

Find (un)used packages on CentOS/Fedora?

I have number of machines with a respectable service record. Every time I upgrade from one release to another I'm surprised how well the upgrade procedure goes. However over the years many packages ...
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0answers
36 views

Server's Main IP Address Goes Down [on hold]

We've got 9 SolusVM slaves working under 1 master node. Our nodes are going down time to time. When we login OpenVZ nodes and check vzlist -a, all VPSs are up and running. BUT, main IP Address is ...
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1answer
16 views

kvm host server how to set limitation vps mail per hour

Host server OS Centos, virtualization libvirt. I need set limitation mail per hour on one VPS, it's possible from host server or need do it on vps ?
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1answer
39 views

Hyper-V: CentOS 6.6 guest with Dynamic Memory - Should I see memory decrease from guest OS?

I'm testing CentOS 6.6 in Hyper-V (W2K12R2) with dynamic memory. I set Startup and Minimum Memory to 4096MB, Maximum Memory to 16384MB. 20% buffer size. After boot I can see it's memory size as ...
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0answers
13 views

Permission Denied with VSFTPD and Centos 7 [on hold]

Please help to assist my issue with user can access to FTP server but can't upload file and create directory. anonymous_enable=NO local_enable=YES write_enable=YES local_umask=022 ...
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0answers
14 views

issue with install ImageMagick on centos6.5/php5.4 — Unable to load dynamic liberary [migrated]

I want to install imagick on centos6.5/php5.4 I did all step of this tutorial: https://www.vultr.com/docs/install-imagemagick-on-centos-6 But finaly aftet suscess install I get error with this ...
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0answers
13 views

pg_basebackup automatic password

I have a master and slave database setup. The master database is on a secure network and only the postgres port is allowed through to the slave database server. The database needs to be secured and ...
0
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1answer
68 views

Centos 6.6 yum issues with NTP update

Hi I'm having an issue with yum, I seem to have broken dependencies? I have a general knowledge of Linux but I'm not sure how to fix this. Running CentOS 6.6. Here's the output from yum: yum update ...
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1answer
68 views

Weird interaction with systemctl with Haproxy on CentOS 7

Running haproxy through systemctl is different than running it manually. on manual start, everything works. starting through systemctl, haproxy is not able to find the service it proxies, and ...
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0answers
8 views

NUMA enabled but can't detect node

I have a Centos 6.4 (kernel 2.6.32) machine with 2x Intel X5670 (Westmere) in a SuperMicro X8DTG-D motherboard with 2.0a BIOS version. BIOS Settings for ACPI are: ACPI Aware O/S: Enabled APCI ...
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0answers
21 views

When will errata data be published for CentOS like it's done for RHEL? [on hold]

Currently The CentOS project publishes errata on its CentOS Announce mailing list. In order to import this into a package management system (like Katello on The Foreman), one needs to parse the ...
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2answers
30 views

Stop file being deleted on NFS mount

I have files stored on an NFS mount which I want to prevent being deleted. The use case is I have a demo version of a web application which uses the same images on every demo - when someone deletes a ...
0
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1answer
41 views

Command to refresh binary paths in CentOS?

This is probably really easy and I just can't seem to find it. I'm moving binaries around between /usr/bin and /usr/sbin, and even though both folders are in my $PATH, moving one binary to the other ...
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1answer
27 views

Downloading ftp with wget when the username is an email address [duplicate]

I want to copy all of the files and folders from one host to another. The files are on the old host site at /var/www/html. I only have FTP access to that server, and I can't TAR all the files. I ...
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0answers
28 views

dns config for nat with BIND [closed]

Over the past days, i installed CentOS on a computer that I'm using to mess around with system admin related tasks. What im doing is, I'm basically making this computer into a "super router" as i like ...
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0answers
31 views

File permission in Centos 5 [migrated]

I am hosting a php application on my CentOS 5 server. The application runs some commands via a ssh file called openmgr. For that I want to give a permission of -rwsr-xr-x to the file. I tried chmod ...
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3answers
25 views

pear on CentOS with “No Package” message

I googled for hours to find a solution but couldn't find anything. What can I do with this error? I couldn't install php-pear on centOS 6.5. [root@server ~] # yum search php-pear Loaded plugins: ...
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0answers
19 views

How can I set a vhost environment variable for PHP in CentOS

We use Plesk for the bulk of our vhost work but I assume this would be done in the terminal. We need to set an environment variable that we can grab via PHP: $pw = getenv('APP_DB_PWD');
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1answer
27 views

404 Not found - Apache CentOS

I am running CentOS 5.11 with apache/2.2.3(named) server. I am able to view my site homepage, so I can confirm php is running correct. However when trying to naviate to one if the pages like ...
2
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1answer
94 views

named can not find a certain domain

I have setup named in chroot and it has been working for some days. Now it does not find a certain domain's IP: # dig arstechnica.com ; <<>> DiG 9.8.2rc1-RedHat-9.8.2-0.30.rc1.el6_6.1 ...
0
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1answer
39 views

Forwarding Ports on Centos 7

I'm working on a CentOS 7 server and I'm trying to get JBoss to work the way I want it too. I'm running Java 8 and JBoss(wildly) 8. I have gotten those installed and working on the default ports, ...
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0answers
25 views

Accessing Google with Squid Proxyserver

ive installed a Squid Proxyserver on my vServer with Cent OS. Im using this Configuration: # # Recommended minimum configuration: # acl manager proto cache_object acl localhost src 127.0.0.1/32 ...
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15 views

Can multiple firewalld zones be active at any given time?

I've been struggling through some weird (to me) firewalld errors but am now seeing the firewall behavior I'd like. But, baffling to me, what works seems to be a mix of both the drop zone and the ...
1
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1answer
61 views

Why does my Firewalld configuration on CentOS 7 fail to start and show iptables errors?

I'd like to: Drop all incoming connections from the external Web except 80 and 443 Allow internal machines on 192.168.0.0/16 to connect to :9000 :8080 Here's what I did to setup my drop zone via ...
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0answers
10 views

Plesk 12: Redirecting a subdomain on an alias to primary [closed]

I have a domain, lets call it 'primary.com', and it has an alias ('alias.com'). These were set up in the plesk GUI and work as expected, insofar as www.alias.com and alias.com redirect with a 301 to ...
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3answers
71 views

mount a root disk in mnt

How can I mount a root virtual disk from another VM on my CentOS ? In order to change some files on it, not to use it as a real root disk. there are 2 partitions on my virtual disk : /boot (Linux ...
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0answers
21 views

RHEL/CentOS - hugepages configuration for Oracle DB

I am going to use hugepages on my RHEL6. I have 6 Oracle db instances on it. SGA are configured and memories parameters setted to 0. I would like to know how to calculate the value to use for ...
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1answer
25 views

How do I automate suppling the network location of the kickstart config file when booting a Redhat variant 7 install iso

When booting a Scientific Linux 7 install iso for example, one could immediately hit tab and add some text to specify the location of the ks.cfg file they would like to use. I would like to automate ...
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0answers
32 views

Finding and renaming directories by regex in linux

I'm trying to match (and later rename) directory names like: A0000 (SOME-NAME) A0001 (SOME-OTHER-NAME) A0001 (ANOTHER-NAME) I'm testing to see if I match any using the find command but doesn't seem ...
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votes
1answer
45 views

Population of /etc/resolv.conf upon new server installation [closed]

I purchased two Linux servers that have CentOS preinstalled. One was bare whilst one has many other common packages installed(httpd, bind, mysql, php). I purchased one of these servers with 2 ...
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0answers
11 views

How to install The Intel MKL (Math Kernel Library) on Linux (CentOS 7) for free? [duplicate]

I need to install The Intel MKL (Math Kernel Library) on my CentOS, but I found on Wiki, that: As of May 2014, a commercial license is required for each development machine in concurrent use. Certain ...
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votes
1answer
27 views

Doesn't NFSv4 have no_root_squash?

When I in /etc/fstab have nas:/tank/nobackup /mnt/nas nfs exec,nosuid,rw,bg,soft 0 0 then mount -a; mount gives nas:/tank/nobackup on /mnt/nas type nfs ...
0
votes
1answer
31 views

Postfix - Need to log email and then redirect to same user different domain

My goal is to add emails to a DB and then send them on to the user at a different domain. My mail server is hosted elsewhere using my domain, (me@example.com). TO get this working, I set up postfix ...
1
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0answers
30 views

Why is sendmail not relaying some email to Exchange?

On my network I have an Internet facing CentOS 6.5 server running sendmail. It receives email from my Sonicwall router running the full gambit of gateway spam and IPS services. It then relays ...
3
votes
2answers
27 views

logrotate not emailing log

My logs are being rotated properly, however, I am not being emailed the rotated log. What am I doing wrong? My main logrotate.conf is: include /etc/logrotate.d here is my ...
18
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3answers
1k views

useradd not encrypting passwords in /etc/shadow

I stumbled accross this problem when trying to create new FTP users for vsftpd. Upon creating a new user with the following command and attempting login with FileZilla, I would get an "incorrect ...
1
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0answers
12 views

config variable php_suffix does not match

I have a php instance on Webuzo (centos-6-x86_64.openvz) in /usr/local/apps/php54/. It already has pecl and phpize in /usr/local/apps/php54/bin/. When installing igbinary with command ...
0
votes
1answer
29 views

https redirection from domain.com to domain.net

We are experiencing an issue https redirection from domain.com to domain.net when any request to https://www.oldomain.com redirection happening but with untrusted certificate error message. ...
0
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2answers
36 views

Automatic archiving of log files [closed]

I look at my various log files, and I believe the operating system will periodically archive the log by appending a datestamp to it. I've created some custom logs in my httpd.conf file, however, ...
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1answer
27 views

How to specify a DNS Slave server, that is on a different domain, in the appropriate zone file on the master naming server?

I am unsure if my question makes sense, but I am working on configuring a DNS Master/Slave setup. We currently have two domains. For privacy purposes, I will use "example" as my domain, we have ...
1
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1answer
42 views

How to configure nginx to dynamically read folders, user accounts/domains?

I have cPanel and Apache 2.4 on my CentOS 6.6 VPS. I installed Nginx as a reverse proxy. Everything works fine. I have 2 domains on the VPS & I'm able to configure them both on nginx. The ...
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0answers
4 views

How to configure nginx to dynamically read folders, user accounts/domains? [duplicate]

I have cPanel and Apache 2.4 on my CentOS 6.6 VPS. I installed Nginx as a reverse proxy. Everything works fine. I have 2 domains on the VPS & I'm able to configure them both on nginx. The ...