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LDAP with SSSD: force user to change password - 'ShadowLastChange' not working

I have CentOS6, with LDAP user authentication, using OpenLDAP and SSSD. I'm trying to force user to change the password. According to this ServerFault question I tried to set ShadowLastChange to 0, ...
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54 views

Nginx req_limit_zone whitelist ip's geo module

I have setup nginx req_limit_zone to limit requests to my webserver. Also I added geo to whitelist certain IP's so request limit does not affect those IP's. The problem is that once I test it with ap ...
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94 views

IP-rules don't seem to be working on CentOS-6.6

I faced a bit odd difficulty with policy-based routing on CentOS-6.6 server. I have a setup where I need to enroute all packets originated from 172.25.0.0/16 destinated to 172.24.0.0/16 and some ...
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64 views

Library Dependency is different when checked via yum vs. rpm

I'm new here and am debugging something I've never seen before, so I'm hoping someone can show me where I'm going wrong. I've created a local yum repo for all my servers. The idea is to distribute ...
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337 views

CentOS 7 httpd /server-status limitations

I have got VPS (using CentOS 7 as my OS) and now I am configuring Munin (monitoring software). I ran into a little problem with Apache monitoring. Now I have got this cfg in my httpd.conf and ...
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80 views

How to add a partition to CentOS without losing data on it

we had a CentOS 6.4 server with two RAIDs. One RAID-1 and the other RAID-5 RAID-1 had multiple partitions with OS installed on it. RAID-5 had two partitions with some data on it. In order to ...
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174 views

systemd Unit file for GitLab

I am currently writing a Puppet module to get GitLab running on CentOS 6/7. For the CentOS 7 install I need to write a systemd unit file to start the gitlab service (which is actually Unicorn & ...
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206 views

Dell r730 + Dell 12Gb SAS + Centos 7 + netvault 9.2 quantum superloader 3 not found

In the above configuration Netvault does not find the library attached to the sas controller. What driver should I see with lsmod for the SAS card? I have: ... mpt3sas 195379 0 ...
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136 views

CentOS 7 doesn't recognize new Active Directory accounts/settings

I joined a CentOS 7 system to a Windows domain by syncing the time with the DC and running realm join --user=admin@mydomain.local mydomain.local. This allowed me to authenticate my login to the CentOS ...
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182 views

CentOS 7: Nginx systemctl hangs on start, why?

I compiled nginx with pagespeed and made the nginx.service file in /usr/lib/systemd/system/nginx.service but when i try to do systemctl start nginx it just hangs, nginx does start but systemctl hangs. ...
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196 views

Why do apache SSL certificate and key need to be in /etc/pki/tls/private/?

I have an Apache 2.2 web server running on CentOS 6.6. I have a certificate and key file that functions when the files are in this directory: SSLCertificateFile ...
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149 views

Getting a specific CentOS base image with mkimage-yum.sh

Docker's mkimage-yum.sh does indeed work (awesome little script) but it pulls 6.6 (the latest with updates). I was wondering if it's possible to specify 6.5. I believe I can use yum.conf but the yum ...
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80 views

Sever unstable ? Fatal error: Exception thrown without a stack frame in Unknown

Good day, We have a new server running It's a dedicated clean install of: centos 6.6 with plesk 12 installation Running a intel i7 with 64 gb of ram Only 1 magento installation running with ...
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92 views

Restrict I/O Write usage using cgroups

I am trying to restrict I/O write usage on my server using cgroups. Here is my partition table info: major minor #blocks name 8 0 10485760 sda 8 1 9437184 sda1 8 ...
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97 views

How to power down Cloudstack configured with XenServer Hypervisors

I have three XenServers(6.2) configured in a single pool. I also have a Cloudstack (CentOS 6.5) Management interface controlling them all. Everything is up and running but I can not figure out how to ...
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74 views

cartridges in openshift origin web console

I'm trying to install openshift origin, i already have the "broker" and one node fully configured and in the node i installed a few cartridges that were in the repositories. Then i imported and ...
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392 views

CentOS 7 - Systemctl dependency problems with network mount and OpenSM

I have the follwoing problem. I want to mount a glusterfs share over Infiniband on an CentOS 7 client. The glusterfs share '/data' is severed by a host called storage1. For the client I I setup and ...
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254 views

Sudo error: effective uid is not 0, is sudo installed setuid root? (sudo executable is already root/root 4755)

Running /usr/bin/env sudo /etc/init.d/httpd restart on a godaddy vps works fine from the shell. The same command executed remotely via capistrano generates the following error: sudo: effective uid is ...
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80 views

Nginx Server break images on web browser after refreshed 3 to 4 times

Hi I am in very confusing state now. I have configured Nginx 1.6 on Centos 6 for serving only Code (js, css, html) pages all other images coming and calls happened through load balancer. My problem ...
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84 views

SMTP delay when sending mail from Centos

I am encountering long delays when trying to send mail with swiftmailer using 1and1's SMTP server. there is a 19 second delay everytime as shown below by tcpdump: 21:54:50.784747 IP (tos 0x0, ttl 64, ...
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184 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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176 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 ...
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138 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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115 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 ...
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69 views

Can not access www with puppetlabs apache module

The vhosts are managed with the puppetlabs-apache module and I can not access the website with www but I can without it. When i use www I get a blank page and there are no errors an any logs and non ...
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128 views

CentOS server stops without any reason

So the server (physical) is CentOS 6.6, running VestaCP (apache+nginx+mysql+php) and nothing else. From time to time (when I'm sleeping for example) the server goes down without any notices. I ...
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574 views

Ping connected Clients to VPN tunnel PPTP

I have set up a vpn server on CentOS 6 (PPTP) following this guide... Server End ifconfig ppp0 Link encap:Point-to-Point Protocol inet addr:192.168.1.15 P-t-P:192.168.1.200 ...
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515 views

Installing MariaDB + Galera via yum fails with “No package MariaDB-Galera-server available”

I'm spun up a brand new Cento OS 7 virtual machine and I'm following this tutorial to install a MariaDB + Galera cluster. I've added the MariaDB repos as follows: vi /etc/yum.repos.d/MariaDB.repo ...
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62 views

httpd not starting because /run/httpd is missing

httpd fails to start on one of my servers running centos 7 because /run/httpd is missing, which means httpd can't create /run/httpd/httpd.pid and thus fails to start. My question is, why is ...
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125 views

Apache2 “RequireAny Granted” not functioning properly

I have a bit of an issue that I am very stumped on. I have a webpage on a CentOS 7 server running Apache. This page is on a virtual host file so that when ever I browse to htp://servername or IP I ...
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129 views

Jenkins freezes my server periodically and randomly

I have a web server running a website. Because I only have one server, I want to install Jenkins on it. I have followed the installing instruction from Jenkin's website, but the first problem I met is ...
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47 views

Xen VM could not be installed

I have rented a server from Hetzner. I have installed Xen on Dom 0 - Centos 6.5. I couldn't create a Dom1 Centos 6.5 VM. The Error I see is 'Unable to retrieve 'the link for centos image' while ...
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679 views

VNC Not Seeing Gnome Desktop in Centos 7

I have a linux box running CentOS 7, which I installed in bash only mode (so it just boots straight into the command prompt), which I am using as a file server. I could do with having a GUI for ...
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335 views

Unable to Configure Quotas in RHEL6 & CentOS6- quotecheck returns error message

Unable to Configure Quotas in RHEL6 & CentOS6- quotecheck returns error message I've created new partition(/dev/sda6) and mounted it(on /hulk). Edited /etc/fstab file to give quotas on the ...
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117 views

Infiniband + KVM

this question is a copy from stackoverflow, as I was told, my question would fit here better. Despite quite a long search for days, I could not find any good information about the following - though ...
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221 views

libvirt / kvm guests take very long time to start after host reboot

Host system is CentOS 6.5 x86_64. I have setup an Ubuntu guest by following this wiki. The guest works, but: if I reboot the host, it takes a very long time (about 30 minutes on the last reboot) ...
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119 views

What permission should my files/folders in Laravel framework have for git deploy?

I have CentOS 7 VPS server, where I want have my own website. I have for example website in /var/www/shop. This website use Laravel framework , the apache configuration for this is <VirtualHost ...
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74 views

Linux: Process ignores signals

Processes running in Linux ignores signals (INT,QUIT,TERM) except KILL. Programs such as top, tail -f, sleep and etc, do not respond when pressing Ctrl+C and thus have to stop them from another ...
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340 views

Postfix + Saslauthd + Kerberos 5 + CentOS 7 not working

I've almost got saslauthd checking against Kerberos but seeing some last issues on CentOS 7. When postfix talks to saslauthd, it sends a lowercased domain and it's not corrected. I tried to fix things ...
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87 views

Possible to prevent access to /tmp for a specific user via SELinux?

I'm sort of learning the edges of SELinux and I'm wondering if it's possible to prevent a specific user from accessing /tmp. Clearly it's a bad idea to dork all permissions, so I'm hoping that ...
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196 views

Enable SDL for KVM under CentOS 7

I'm trying to set up a VM in CentOS 7 with an SDL display, but every time I try to run it, I get the following error: Error starting domain: internal error: process exited while connecting to ...
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165 views

CentOS - Files to Copy to get Consistent MIME-type detection in PHP

I have the same website (written in PHP) running on two servers. I've tried uploading the same exact file to both servers through the website. On one of the servers, the file's mimetype is detected as ...
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228 views

Naming convention for /var/lock/subsys on sysvinit with multiple pids

In this Tips and Tricks article from Red Hat, it is said: When a service is started through an init script, a file is touched in the /var/lock/subsys/ directory with the same name as the init ...
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220 views

Using my IPs on OVH server via GRE

I can't route my IPs into a OVH server, can you help me to find the problem? Mikrotik GRE IP: 192.168.55.10 OVH Server GRE IP: 192.168.55.20 GRE iface name: ali1_fr1-ovz1 IP to route from Mikrotik to ...
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331 views

Weird Phusion+nginx spawning delay error

We are trying to migrate an application written on REE from cloud provider A to cloud provider B. The application code, VM specs and operating systems are the same. The basic difference is that cloud ...
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193 views

How to setup multiple OpenVPN connections on a server for a single localhost app to use on CentOS 6.5?

I have a scenario where I need to run several OpenVPN connections at one time and to allow a singular application to access each of these connections. How wold I go about starting up several ...
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356 views

lxc command always “get error 4 in libc-2.12.so”

I've tried several time to find out why suddenly my LXC not working, I use dmesg | tail it shows: lxc-start[2777]: segfault at fffffffffffffffc ip 000000390347b82c sp 00007fffd9046c18 error 4 in ...
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62 views

Virtuall Manager : CentOS Guest Install Garbled Text

I'm trying to install CentOS 6.5 with virtual manager but the menu is garbled. Host machine is running on Debian Wheezy. Thank you in advance.
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407 views

Directory index full, is this fsck result OK?

I found these in my /var/log/messages: kernel: EXT4-fs warning (device md2): ext4_dx_add_entry: Directory index full! kernel: EXT4-fs warning (device md2): ext4_dx_add_entry: Directory index full! ...
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187 views

Investigate strange message from syslog@stock

I've noticed that when I'm logged into my server I sometimes get spammed a message from syslog@stock. On this server I am running a website built with Laravel and a Teamspeak 3 server running with ...