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5
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0answers
281 views

Intermittent munin-cron error “There is nothing to do here, since there are no nodes with any plugins”

We've installed munin monitoring on one of our servers. Generally it seems to be working well but occasionally, 4 times in 2 months to be exact, munin-cron has generated the following error: ...
3
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0answers
82 views

Is it legal to create an RPM which only runs %post scripts to modify a file owned by another RPM?

I'm writing some RPMs which install YUM repo configuration files for various internal YUM repos, same structure and concept as the EPEL repo RPMs. We will have multiple environments with equivalent ...
3
votes
0answers
196 views

Linux cgroups cpuset w/ subs causes cgconfig not to start

I am having a problem trying to separate 2 groups using cpuset subsystem. This works fine, however if i go to add a subgroup to that group (in this case -- user1), cgconfig will fail to start with ...
3
votes
0answers
303 views

Kickoff Ansible Playbook after Cobbler install

I am working on implementing Cobbler and Ansible to do our server deploys and am having one final issue. My Ansible playbook works great, my Cobbler install works great, but the issue is in tying them ...
3
votes
0answers
762 views

Unable to discover iSCSI targets

I have a trio of CentOS 6.4 machines that I'm trying to configure to use iSCSI. Basically two different initiators talking to two different targets on a single host server. On one machine, "the ...
2
votes
0answers
50 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 ...
2
votes
0answers
77 views

cloud-init does not grow the partition nor the filesystem

I am currenty preparing OpenStack-ready images of CentOS 7 and Ubuntu 14.04. For the "automation" I use packer, which is provided by you with a json-template. Packer then starts the installation ...
2
votes
0answers
55 views

Setting up a LVS on CentOS

I have a 3 node(dedicated servers from a provider) CentOS 7.x cluster. I am trying to set up LVS using the link here. Each of my machines already has 3 extra alias IP addresses assigned to it. I want ...
2
votes
0answers
52 views

Best way to secure Kickstart encrypted partition passwords

I have a CentOS 6.5 environment that boots up servers using Kickstart. One of the requirements of our Kickstart is that the partitions are encrypted. Since Anaconda can only take plain text passwords ...
2
votes
0answers
39 views

Sendmail on CentOS 6, with SRS

I do some mail forwarding, but I'm also a big fan of SPF; I'm aware that I have a problem. While my mail server was running Centos5, I was using pysrs as a milter, and it worked well - but it hasn't ...
2
votes
0answers
74 views

Centos kickstart script url installation with mirror

I have a ks script to install Centos6.5. Inside my local network I have a snapshot of the base package mirror. I want to used as possible as I can my local package site over extranet like ...
2
votes
0answers
251 views

Hypervisor The operation cannot be performed while the object is in it's current state

I attempted to reboot one of my VMs in the Hyper-V Manager. It's a Centos VM and all of my other centos machines are behaving as they should although I can't get this particular one to boot. I'm a ...
2
votes
0answers
456 views

PHP Files being downloaded instead of displayed in browser

I created a VPS using Nginx and I tried to display the php info with: <?php phpinfo(); ?>. Instead, the browser asks me to download the php file, and it's not parsed either. This happens only ...
2
votes
0answers
794 views

Apache Centos 6.5 Only Loading First Virtual Host

Like the question states only the first Virtual Host is loaded. If I go to the second domain then it simply directs to the first domain. I can load individual files on the second domain but I am ...
2
votes
0answers
86 views

Two CentOS servers, the weaker one performs 3 times faster than the stronger one

I have a dedicated server which is 8*3.3GHz Intel Xeon and 8GB of RAM, and the other one which is 4*2.3Ghz and 4GB of RAM. Servers are on different hosting company. I have some scripts that are ...
2
votes
0answers
642 views

Very poor disk performance on KVM node - mdadm raid10

For a long period of time, i'm experiencing performance issues on CentOS servers that are used for KVM virtualization. I'm running software RAID-10 with 4 disks (Seagate ST2000DM001, 2TB, 7200rpm ...
2
votes
0answers
666 views

Linux - NTP stopped working after recent update

A few days ago I had ntp setup on my network, and everything was running fine. One node was set to sync with upstream servers, and the rest of the nodes from the one set to sync upstream. Yesterday I ...
2
votes
0answers
47 views

TTFB different between 2 identical virtual hosts on same machine

After almost 3 years of finding every answer on either StackOverflow or ServerFault, I'm finally stuck on one. I recently migrated our server from dedicated to VPS, and the problem now is that we have ...
2
votes
0answers
713 views

Gitlab - Cannot: create new project, list team members, add SSH keys or clone / push

I have just installed Gitlab on my Centos 6.4. At first glance everything seems to be working fine but for some reason, I have the following issues...: Add a new project : (Similar issues when ...
2
votes
0answers
57 views

ICU Latin-ASCII on Centos

Have ICU 4.2 on Centos 5, but need Latin-ASCII translitarator, which came in ICU 4.6. Is there any easy way to add Latin-ASCII without recompiling ICU (no rpm for Centos) and then PHP?
2
votes
0answers
151 views

How to apply tzdata-java update after installing package

Updated the following packages via YUM on the system (CentOS 5 64bit) tzdata-2012j-2.el5 tzdata-java-2012j-2.el5 The system package was applied correctly but the Java does not appear to be working ...
2
votes
0answers
161 views

Analyse of logwatch and aide file

We have both logwatch and aide file. We would like to know how to know if there any intrusion have had taken place as this server was not active for some time. We quite a number of this entries in the ...
2
votes
0answers
817 views

TRIM on OCZ RevoDrive 3 on CentOS

I've got an OCZ RevoDrive 3 mounted as / on my CentOS 6.3 box running kernel 2.6.32-220.17.1.el6.x86_64. /boot is on a HDD since OCZ's driver apparently doesn't yet support booting directly to it. ...
2
votes
0answers
2k views

Corosync unicast issue with different nets

I'm using a setup (on our staging-system) with 2 root-servers and 1 fail-over-ip. As software we use corosync and pacemaker. Corosync is configured for multicast communication via port 5405. --> ...
2
votes
0answers
657 views

Tomcat Unable to Connect

I have done a fresh install of Tomcat 7 on CentOS 6.2 system. Tomcat starts successfully without any errors in logs, but I am not able to access it on mydomain.com:8080. I get "cannot connect" ...
2
votes
0answers
198 views

What is the default metadata size in temporary volume during a pvmove?

I ran into an interesting error when attempting to address a particular problem. We had an issue where we have to move the extents over to new physical volumes because the metadata size was too ...
2
votes
0answers
1k views

Yum install on CentOS 6.2

I can't install any php extension Epel repository enabled Yum is updated yum repolist shows repo id repo name ...
2
votes
0answers
908 views

How to measure dcachesize usage (and reduce it)

I have a VPS running CentOS 5.7 (Final), 32-bit. Right after boot, when I run # cat /proc/user_beancounters I see that my dcachesize usage is at about 4100000, while my VPS is set up with a limit of ...
1
vote
0answers
19 views

How to troubleshoot an unresponsive server

I'm performance testing my Java based web application (Grails) that is deployed on Tomcat. The server has the below services running on it: Apache HTTPD Apache Tomcat MySql RabbitMQ Even though I ...
1
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0answers
17 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 ...
1
vote
0answers
17 views

yum-complete-transaction in a crazy loop

I was trying to update a server that I have with yum update and it aborted because the server ran out of memory. I killed off a few processes that were not needed and ran yum-complete-transaction but ...
1
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0answers
32 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 ...
1
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0answers
35 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 ...
1
vote
0answers
94 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 ...
1
vote
0answers
122 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 ...
1
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0answers
36 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.
1
vote
0answers
84 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! ...
1
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0answers
90 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 ...
1
vote
0answers
87 views

Nagios 3.5 can't send notification email despite nagios logs ok / centos6

I spent hours trying to make nagios send email notification. my contact configuration is quite simple : I juste have one : nagiosadmin, and he is the default contact. In /var/log/nagios.log, nagios ...
1
vote
0answers
61 views

FreePBX server (cent OS base) locks up with no errors or kernel panics

Bit of a baffling situation I've been dealing with for a few days. I have multiple CentOS headless servers (6.4) with the following stats: Core CentOS - 6.4 (Final) Kernel - ...
1
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0answers
52 views

connect database with sequel pro

I have install lamp centos on linode, I can use ssh login on terminal app, How to use sequel pro connect to my host database? in sequel pro I input below content but it not work Name: project MySQL ...
1
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0answers
75 views

Selenium in virtual machine is slower than desktop

I've set up a kvm virtual machine, CentOS 6 on both guest and host. I'm using selenium on the guest in order to test a web site. However, it loads significantly slower than trying to hit the web site ...
1
vote
0answers
58 views

What's causing high CPU load by kjournald process?

I'm running CentOS 5.4 (Final) server as my PDC and Windows file server. Until earlier today, the server has been running non-stop for over 6-months (since the last reboot). The problem now is that ...
1
vote
0answers
87 views

Need help recovering CentOS system

My CentOS 6.5 system was getting errors about the hard disk so I used partclone to clone the root filesystem. Just 2 days later the hard disk died and the system would no longer boot. So I replaced ...
1
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0answers
243 views

Improving TCP performance over a gigabit network lots of connections and high traffic for storage and streaming services

I have two servers, Both servers hardware Specification are Processor : Dual Processor RAM : over 128 G.B Hard disk : SSD Hard disk Outging Traffic bandwidth : 3 Gbps network cards speed : 10 Gbps ...
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0answers
287 views

ntp is not syncing on centos server but gets response from remote server

I have googled for days before asking and I feel like I have tried everything but ntp is still not updating the time of the system automatically. I have left it running for days and still I get the ...
1
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0answers
498 views

Multilib version problems found when run the command “yum update”

On my VPS I run the command: yum update and I get this as a result: # yum update ... Setting up Update Process Resolving Dependencies --> Running transaction check ... ---> Package ...
1
vote
0answers
29 views

RabbitMQ server randomly, mysteriously stopping

I installed RabbitMQ on my EC2 box following the RPM install instructions from their website. My OS is CentOS. Every now and then, the rabbitMQ server just stops running, nothing shows up in the ...
1
vote
0answers
47 views

Poor large transfers behind NAT on Centos

I have the following set up. A Centos 6.5 VM running on an ESX host, with a public IP4 address. It is acting as a gateway for (a bunch of) other Centos 6.5 VMs that are only connected to a virtual ...
1
vote
0answers
86 views

How can I run a CentOS (Red Hat) cluster in degraded mode?

I've installed Red Hat's cluster software on an install of CentOS 6.5, and use it to provide redundant routing from one network to another. This works fine, and I have a pair of boxes providing the ...