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Questions tagged [centos6]

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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Mod_pagespeed thinks everything is uncacheable on https

I have a pretty stock setup of mod_pagespeed on a stock CentOS6 with stock Apache 2.2. All I do is set "ModPagespeed on" in the VirtualHost. I can see the "-Mod-Pagespeed 1.13.35.2-0" http header....
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10 views

Installing Odoo 11 CE on a specific account under a dedicated server (CentOS 6.10) with many accounts

How would I go on about installing Odoo 11 CE on one specific account within many accounts under a dedicated server running CentOS 6.10? I have root access, but other account's are under jailshell. I'...
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1answer
19 views

Redis taking too much memory

I setup a Redis (version 4.0.6) sentinel cluster in two centos 6 VMs. Both master and slave Redis server has maxmemory set to 10GB and maxmemory_policy as volatile-lru. The problem is, both servers ...
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14 views

install libdb-devel on centos 6

I need to install libdb-devel on a Centos 6 to compile my program. I managed to find it here, but I cannot install it as there is some conflict with an already installed db4-devel package ...
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29 views

How to switch from SCL to IUS on CentOS 6.10

This is a newly configured box, not production. The hosting company set up SCL and I'd prefer IUS. The only thing in /opt/rh/ is PHP 7.0, but I would assume SCL has mucked about with other packages. ...
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1answer
32 views

How to fix SolusVM Xen-Hvm template error at creation?

The following log contains an error which happens while executing the template creation script on a SolusVM powered CentOS 6 server. CREATING MBR IMAGE... 1+0 records in 1+0 records out 512 bytes (...
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1answer
263 views

How can I remove EPEL 7.0 repo from CentOS 6.5 install?

While trying to update PHP 5.4 to 7.2, libcurl package update showing epel 7 is installed. How can I remove this from centos 6 and install epel 6.8?
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1answer
55 views

Install SSL Certificate for a DNS redirection

We have an application developped on a internal server. A DNS redirection to the livebox IP has been done for our customers to access a service online via OVH. The online URL is client.lexcelera.com. ...
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2answers
61 views

Using /dev/shm folder for pid files on RHEL6/CentOS6?

RHEL7/CentOS7 has a dedicated folder: $XDG_RUNTIME_DIR (e.g. /run/user/1000) for pid files, that folder is a tmpfs. However RHEL6/CentOS6 does not have $XDG_RUNTIME_DIR. RHEL6(also RHEL7) has a ...
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1answer
46 views

dmidecode show 6 * 8GB DIMM but free -m only show 16GB?

I have CentOS 6.4 running on the top of HP ProLiant BL460c G7 blade server. I have 6 * 8GB DIMM memory installed on HP blade server. When i use dmidecode --type memory, i get the following output ...
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22 views

Autofs is forgetting mount points

I have a set of mount points which I use autofs to access. They have been around for quite some time, and in systems I've inherited running CentOS6 admins before me have implemented cronjobs ...
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26 views

DKIM public key issue

I followed this tutorial to setup the DKIM signature on my CentOs 6.10 VPS. That tutorial is the most clear I found among many. The only thing they suggest that I have'nt done is the PostFix setup ...
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30 views

Ejabberd crashes after a while with too many open files

We are using Ejabberd (v17.0.4) as a chat server. Recently, we have moved our data center physically and consequently turned the servers off. After migration and running the servers we encountered the ...
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0answers
26 views

Tunneling on Linux through VPN on windows host for yum

I need to upgrade and install some yum packages on remote server without internet access that's only accessible with a VPN client on a Windows host. Once this VPN connection is established the Windows ...
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24 views

Configuring Oracle forms and reports 11 on centos

I am trying to configure oracle forms and reports 11 on a centos machine. I have tried both centos 6 and 7. In both cases I can successfully install weblogic and forms and reports. I run into ...
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1answer
63 views

What to update to keep the server secured?

I've been asked to specify which updates are needed to update our server and have it secured - problem is I'm not an expert on this. I know that we've very old software. For my work I need PHP 7.2 ...
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12 views

vsftpd actions aren't being logged for some users

It seems like my actions aren't being logged where I'd expect: ls -lhat /var/log/ gives me: -rw------- 1 root root 25M Oct 5 15:14 secure -rw------- 1 root root 135M Oct 5 15:14 ...
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2answers
510 views

Upgrading PHP 5.3 to 7.x on CentOS 6.10 (final) - Unmet Dependencies

I am a bit rusty these days and could use some help. I've cracked opened a few old servers and have started the process of dusting them off. In the process I'm updating things like PHP. I regret to ...
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1answer
315 views

Not able to disable tls 1.1 for nginx

Spent many hours, but can't fix it. I'm not able to disable TLS 1.1. That's required to use Stripe or any other CC gateway for my Wordpress Woocommerce based shop. Domain name: russianphilately.com ...
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0answers
114 views

Upload Generic error java.io.IOException: Permission denied

I'm seeing the blow error in my Java application which tries to upload and download files to an NFS storage. The NFS share is mounted on my server successfully and I'm able to manually write (touch ...
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1answer
220 views

Package rh-php56 not available on CentOS 6 via centos-release-scl

Installing package rh-php56 in a CentOS 6 Docker image used to work using the methodology described here, but now I get the following error from yum: No package rh-php56 available. Querying yum, I ...
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2answers
38 views

Cron hourly after boot time

Is there anyway to execute cron hourly after boot time and not at a specific time every hour? I am working with CentOS6 and CentOS 7 machines. E.G.: When my computer boots at 00:42 I want it to be ...
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1answer
69 views

Dovecot: Operation not permitted

Im using centos6 and centos web panel, postfix. I can send messages and login in roundcube. But i cant recieve messages. Dovecot log: Sep 09 13:52:31 lda(test@domain.su): Fatal: setuid(101) failed ...
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1answer
18 views

Powering up CentOS deployed OVF displays guest operating system not supported

I've exported an OVF template from a working CentOS 6 VM. My cluster is on VMware ESXi 6.5. To test if the export was ok, I decided to import back in by doing "Deploy OVF template..." After ...
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2answers
595 views

Install multiple PHP on CentOS 6.10

I have PHP 7.0 on my VPS with CentOS 6.10 and there is an application that needs PHP 7.1 and above. Also, there's a separate application that uses a php function that is deprecated in PHP 7.1, so I ...
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127 views

Centos 6.8 kernel 2.6.32-642.el6.x86_64 crash at linux-2.6.32-642.el6.x86_64/mm/vmalloc.c: 630

I have intel servers running CentOS 6.8 as KVM host,and there was an OOPS or BUG occurs. kernel crash at kernel-2.6.32-642.el6/linux-2.6.32-642.el6.x86_64/mm/vmalloc.c: 630 Did anyone else have this ...
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178 views

config iptables rules for pptp vpn

I used Setup PPTP VPN Server on CentOS 6 guid to setup pptp vpn on my server. Every things is fine and vpn work without csf and iptables. But when i enable csf / iptables i can't connect to vpn ...
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1answer
62 views

Constant ACPI errors in /var/log/messages on Centos 6.10

/var/log/messages is full of this, occurring every second. I can see this has been going on for at least 4 days but any older logs have been purged. Maybe it's always been like this. Jul 8 04:07:...
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1answer
166 views

“is allowed multiple installs, skipping” prevents downgrade of kernel on Centos6

I have 2.6.32-696.23.1.el6.x86_64 installed and would like to downgrade to 2.6.32-696.10.3.el6.x86_64 but the following command results in a skipping message: yum downgrade -y --disableexcludes=all ...
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1answer
31 views

Similar package as apt-get install socket for centos 6.9

I need to run a socket on CentOS as we have socket installed on Ubuntu. Is there any similar way I can do it on CentOS? NOTE: I can run simply socket on Ubuntu by socket -sl 555 -B 0.0.0.0.
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76 views

error: “net.ipv6” is an unknown key

On one of my CentOS 6 machines I get $ sudo sysctl net.ipv6 error: "net.ipv6" is an unknown key Why do I see this and how can I fix this?
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1answer
211 views

Nginx tries to run on port 80 but the configs have been removed

I have a server that runs nginx with varnish. I cannot run nginx and varnish at the same time as the they are both trying to listen on port 80. nginx is configured to listen on port 8080 ...
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1answer
56 views

Multiple websites on single bind dns server

I am using CentOS 6, BIND and HTTPD I have created 3 machine: DNS Server, HTTPD Server, Client Machine - All are working in a virtual environment under VMWare. IP of DNS server is: 10.0.2.16 IP of ...
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1answer
59 views

write permissions in mounted dir to apache user

Sorry for maybe silly/basic question... I have directory /var/www/html/logs. From /var to html owner:group is root:root and permissions are drwxr-xr-x. But "logs" dir has apache:apache and drwxrwxr--....
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66 views

How to debug this mass site outage situation?

I manage a Centos 6.9 server that runs around 30-40 Wordpress sites, this server uses WHM/Cpanel. Its a 24 core server that really doesnt see that much traffic and it usually has plenty of resources ...
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458 views

RabbitMQ on CentOS 6: unable to connect to epmd (port 4369) on sXXX-XXX-XXX-XXX: timeout (timed out)

I have a fresh installed VPS CentOS 6 and I would like to install RabbitMQ on it. I installed Erlang from here Erlang using repository method and installed RabitMQ rpm package from here RabbitMQ RPM. ...
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24 views

Centos 6.9 - DKIM - not autenticated

i have this error on postfix (Centos 6.9) May 21 17:41:48 mailer opendkim[1710]: OpenDKIM Filter v2.11.0 starting (args: -x /etc/opendkim.conf -P /var/run/opendkim/opendkim.pid) May 21 17:44:19 ...
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1answer
2k views

Running cron every 24 hours and start immediately

I want to run some script of python every 24 hours, at every 23:59:58 i want to kill the the job. I want to run python immediately. Thus I use this syntax bellow * */24 * * * cd /ftp/ftp1 && ...
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1answer
306 views

crcmod installed, but gsutil shows “compiled crcmod: False”

I suspect this is something to do with the fact that I'm on CentOS 6.9 and have had to install SCL Python 2.7 so as not to interfere with the default Python 2.6 install. I've been through the steps ...
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1answer
139 views

Nginx / PHP-FPM hanging connections

I noticed that my server this morning was not responding. received nginx error page after waiting some time for the page to load. I decided to restart php-fpm because I figured there was an issue ...
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0answers
37 views

CentOS 6.9 / Sendmail 8.14.4 / Mail gets stuck as “sending”

We have a "mail relay" server we use for copiers, scan-to-email and some other hardware devices that need to be able to relay e-mail. We recently retired our old mail relay and brought up a new VPS ...
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113 views

SSH and Telnet connectivity issues. It connects sometimes and sometimes it does not

I have come across a problem with SSH and Telnet wherein the connectivity is slow and drops multiple times. But I see that my network has no problems. When I ping a server, it gives me ttl of 127, ...
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1answer
28 views

Centos running python script every new file added on ftp

We are running on centos 6.9 Final and vsftpd version 2.2.2 Basically we had some folder which is our FTP folder that connected to ANPR/LPR camera. Every camera recognize the plate than the camera ...
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34 views

Mysql service stop suddenly in VPSMysql

need your help to identify whats going on in my VPS. I provide this mysqld.log to help us examine the problems.. 180420 22:42:06 [Warning] IP address '{HIDDEN IP}' could not be resolved: Temporary ...
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2answers
206 views

Can the number of CPU cores be reduced for a CentOS virtual machine?

Our VMware admins tell me that we can add additional virtual CPU cores to our VM's, but they tell me that we can't reduce the number of virtual CPU cores. One recently stated, "CPU on the other hand ...
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1answer
607 views

Unable to Install PHPMyAdmin on CentOS 6

I am attempting to update all my software on my CentOS 6 Server. I have updated from PHP 5.6 to PHP 7.2 and now trying to install PHPMyAdmin 4.8 but I am getting an error when running the yum command. ...
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0answers
35 views

Upgrading LAMP on CentOS 6.2 Errors

I have been trying to upgrade an old CentOS 6.2 server (x64) to support updates for a Drupal/CiviCRM website I have inherited. I tried to follow this guide but keep ending up getting the following ...
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29 views

Why is the network not reachable while another IP is reachable within the same subnet on CentOS?

Why is the network not reachable while another IP is reachable within the same subnet ? Network Reachable [root@vcn03 ~]# ping -I eth0 -c 1 10.52.96.48 PING 10.52.96.48 (10.52.96.48) from 10.52.111....
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1answer
159 views

unable to jail ssh fail2ban 0.9.6

I am on Centos 6.9 with fail2ban 0.9.6. I have the below SSH jail but after restarting fail2ban it is not enabled when running fail2ban-client status. The conf I used is /etc/fail2ban/jail.local. I ...
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1answer
19 views

Configure location on VirtualHost

I'm new at apache and have a few questions. First of all i'm working on a regional government and I have to set up in my computer a working environment, so I followed a manual they have to do that. ...