-2
votes
1answer
35 views

How to access device on switch from another computer?

I have several computers all connected to the same switch. Some computers are running RHEL, one is running CentOS. The CentOS machine is connected with NIC 2 to switch 2, and NIC 1 to switch 1. The ...
0
votes
0answers
27 views

Stuck at grub prompt after a default CentOS 6 installation

I am having a very strange problem installing CentOS 6 that I've never encountered before. I've followed these same steps thousands of times before, but within the past couple weeks I've had two ...
2
votes
1answer
609 views

CentOS yum *.rpm package changelog (not installation changelog)

I just logged into my new rented server and updated openssl because of the heartbleed-bug (http://heartbleed.com). I updated using yum list openssl ... Installed Packages openssl.x86_64 ...
0
votes
1answer
60 views

Starting Tomcat 7 as a user - init.d script can't write pid

I want to run Tomcat 7 as a user on CentOS 6. I've created a user tomcat:tomcat and changed the ownership under /var/lib/apache-tomcat* etc... There are lots of docs online on how to do that but I ...
0
votes
1answer
50 views

CentOS Virt-v2v conversion tool

I am trying to use the virt-v2v tool in CentOS for the conversion of virtual to virtual and eventually physical to virtual machines. I am rather confused after spending a day trying to get the ...
1
vote
2answers
171 views

Openstack/PackStack basic multi-node network setup

Background After having installed OpenStack with PackStack we are left with a problem with the networking. We wanted a super-simple network with one subnet where all the virtual machines should ...
-1
votes
2answers
41 views

Redhat High Availability Add-On on Centos 5.8 [duplicate]

could we use Redhat High availability Add-On on CentOS 5.8 server? in other words should we purchase a license for Redhat high availability clustering for CentOS 5.8 or its included in CentOS without ...
0
votes
2answers
52 views

RedHat/CentOS environment discovery

I am working with a new client who lost their IT person and are trying to document what they have. It's a Linux/SunOS environment. I am trying to find their Samba or equivalent user management server ...
0
votes
1answer
59 views

Mysql high memory usage and using swap

I have a 1.6GB database that adds about 200MB of size every month. I have a 12GB RAM(shared with apache, mysql and os), mysql always uses swap that i need to restart the service once it reached the ...
2
votes
1answer
62 views

Upgrading packages over a large amount of servers

I have a large amount of CentOS servers that I need to periodically upgrade packages on. How can I combine automated upgrades but still retain control? Some of my issues with fully automated ...
-2
votes
1answer
48 views

Find out my distribution

I am doing some work on a Linode and I wanted to know what is the distribution that is being run, so I typed $ cat /proc/version and I got this output: Linux version 3.4.2-linode44 (root@build) ...
-1
votes
1answer
44 views

migrate to centos vs. add centos repository [closed]

I have installed Redhat Enterprise Linux 6.2, and I don't want to buy its subscription, I want to use the centos's repository. I found an article that teach me how to migrate to centos 6 from rhel 6, ...
0
votes
0answers
37 views

openvpn doesnt start due to iptables and mangle (VMware)

I have installed openvpnas on redhat5.10 via the package from openvpn. When I start the server it will start the webserver for administration but it wont start the the openvpn service. So I did my ...
1
vote
1answer
177 views

How do ProFTPD/centOS handle directory permissions for virtual ftp users?

On proftpd/centos I configure the use of virtual user. I can login as a virtual user but I do not have write permission for this users. The proftpd.conf looks like: ServerName ...
1
vote
1answer
163 views

Shutdown error on CentOS 6.5

On a KVM host, after gracefully shutting down the guest KVM, I get: [root@kvm]# /sbin/shutdown -h now Broadcast message from vmadmin@kvm.mattermedia.com (/dev/pts/1) at 15:23 ... The system ...
4
votes
2answers
187 views

Avoid file conflict in rpm package

I have created a rpm package.The part of .spec file is below %install mkdir -p ${RPM_BUILD_ROOT}/etc/xyz cp -rf %{BDIR}/console ${RPM_BUILD_ROOT}/etc/xyz %files /etc/xyz/console So XYZ ...
0
votes
0answers
55 views

Installing Upstart on Centos 5.10 Final… pkg-config dependency issue

I am trying to install upstart version 1.11 from source on a Centos 5.10 Final box. BTW i don't have option or privileges to upgrade this. I am at this point where it is complaining about the ...
0
votes
1answer
71 views

What is the function of the cimserver daemon?

I noticed in /var/log/messsages a process 'cimserver' was logging some interesting messages: Nov 27 15:33:37 lb-web-standby cimserver[2250]: Failed to deliver an indication: Cannot connect to ...
0
votes
0answers
60 views

Getting Odd Errors Starting the NRPE Daemon via the service command

So, odd issue. I'm running CentOS 6.5 x64, and NRPE latest stable from EPEL. Ran into an issue where I can only start nrpe via service (which is what chkconfig uses) by running it sh first. ie. ...
4
votes
1answer
72 views

Why would Puppet exclude a file resource without error?

The oddest thing is happening during this Puppet run (using Puppet Apply) and it has me perplexed. I've tried my usual channels to find solutions but I cannot find anything on the topic. I apologize ...
1
vote
2answers
769 views

How to set up a pacemaker cluster for active/active scenario and how it works?

I try to set up my first pacemaker cluster as a FTP Server. There are two Server installed with a fresh centos 6.5 and proftpd First step was to install pacemaker and some configuration Tools with: ...
0
votes
0answers
27 views

CentOS how to assign hostname from DHCP

I would like to know if it is possible to assign system hostname from DHCP directly, without the need to edit /etc/sysconfig/network or add the name to /etc/hosts or execute hostname "vm name". Thank ...
0
votes
1answer
636 views

NTP local query always times out

I have a CentOS 6.4 server, it does not have any iptable rules, it runs NTP daemon as service using the following configuration: driftfile /var/lib/ntp/drift server 0.pool.ntp.org server ...
2
votes
2answers
172 views

Increasing nproc on CentOS/RHEL

I have a problem where mysqld runs out of threads and throws errors when under heavy load. I have traced this back to a problem where the pid seems to be limited a soft limit of 1024 processes (have ...
0
votes
0answers
42 views

Use wildcards in logmatch entries in net-snmp

I want to monitor the number of events that some log files are generate. So, I found that I can use the logmatch directive of net-snmp. I have the following entries: logmatch TotalEntries ...
0
votes
1answer
210 views

(Un)able to create bootable USB disk with Red Hat Enterprise Linux 6 installation DVD

I'm trying to create bootable USB disk with Red Hat Enterprise Linux 6 installation DVD: [alexus@wcmisdlin02 Downloads]$ sudo dd if=rhel-workstation-6.5-x86_64-dvd.iso of=/dev/sdc [sudo] password for ...
2
votes
2answers
574 views

Kickstart based installation of RHEL 6.4 from USB

I want to setup some brand new servers with RHEL 6.4. Servers do not have DVD, so, I have to use USB for the installation. I already have a custom ISO with a kickstart file that I use on servers with ...
1
vote
1answer
754 views

How do I install Stress load testing tool on CentOS?

stress is a tool that imposes CPU, memory, I/O, or disk stress on an operating system, so you can test if your applications work under high load, e.g. when almost out of memory. How do I install ...
3
votes
2answers
130 views

Why does `rpm` show 3 httpd packages, and which one provides the real httpd?

I ran yum update on my CentOS5 webserver a few days ago. Today I just noticed that I have 3 httpd-* rpms! How can I end up with three RPMs for httpd (My other servers only have one httpd rpm). I want ...
0
votes
1answer
52 views

Shrink a mounted LVM partition

I fear I already know the answer to this question, but here goes. I need to carve out a new partition on a running system. /var/ is mounted from an LVM volume (hdd1_vg-var) and has only 3% used disk ...
1
vote
1answer
52 views

Listen multiple ports for SSH and restrict users from live IP

I have a live IP forwarding port 52000 on my RHEL 6.2 server. My server listens to 22 and 52000 for traffic. The setup is working fine. Users from internet are able to login into the system. But I ...
0
votes
1answer
59 views

Hosting Thin Clients on RHEL 5.5 / Cent OS 5.5

I have DHCP, TFTP in place which lets users install Cent OS 5.5 when they boot from network from there machines. I want that they should be able to boot Cent OS right away and log into there ...
-2
votes
1answer
445 views

installing tor on redhat/centos server

i want to install tor package on my centOS server here is the output of cat /proc/version : Linux version 2.6.32-358.18.1.el6.x86_64 (mockbuild@c6b10.bsys.dev.centos.org) (gcc version 4.4.7 20120313 ...
2
votes
2answers
115 views

Why must yum update its repos on each command?

Doing anything with yum is frustratingly slow for me. For example, when searching for a package, finding it, and then trying to install it, both yum commands appear to run the exact same updates, just ...
0
votes
0answers
302 views

How to use watchdog daemon with hardware watchdog driver interface?

On a CentOS 6.4 / 64 bit server I have installed the watchdog package. The rpm -qi watchdog states that by default a software mode is used: The watchdog program can be used as a powerful software ...
1
vote
0answers
77 views

Robustness of installing from deb on RHEL

How robust is the method of converting .deb packages to RPM using alien and then installing on RHEL/CentOS with yum? What are best practices to manage the process? I have used Debian for several ...
0
votes
2answers
534 views

Can Docker help me install Oracle 11g database on Ubuntu?

We are struggling with a common problem of trying to provide an Oracle 11g instance for our developers to test with. Our standard build agents are based on Ubuntu 12.04 but Oracle supports only RedHat ...
1
vote
1answer
182 views

Why can't cron access a CIFS share using Kerberos authentication?

I'm on CentOS 6.4. Using kstart I have a TGT kept active using the machine account (ie computername$) from Active Directory. The ticket cache is assigned to root and is located at /tmp/krb5cc_0. I ...
0
votes
0answers
62 views

Why are system calls so slow on Redhat 5?

My department is considering moving to RHEL5 from RHEL4 but we've hit a problem. We have some software that executes a bunch of system calls in succession and we've noticed that it takes much, much ...
1
vote
2answers
68 views

Getting the LDAP password from the LDAP Directory

First up, I know this question's got the potential to be downvoted and closed, nonetheless I think I will go ahead and ask it all the same because our issue is genuine enough. We have a mail server ...
1
vote
1answer
149 views

How to enable IPv6 Autoconfiguration with static address in Linux (RHEL)

I have a static IPv6 address I would like to assign. When I add the address to the /etc/sysconfig/network-scripts/ifcfg-eth0 file and restart networking I realize I get several IPv6 addresses. The ...
2
votes
2answers
403 views

Why has Red Hat Cluster Suite stopped working?

I've been testing the Cluster Suite on CentOS 6.4, and had it working fine, but I noticed today [8th August, when this question was originally asked] that it's not liking the config that was ...
1
vote
2answers
105 views

How can I allow users to change their local passwords?

We use an LDAP-server, but we also use local accounts. [jdoe@tst-03 ~]$ passwd Changing password for user jdoe. Changing password for jdoe. (current) UNIX password: Enter login(LDAP) password: This ...
0
votes
1answer
483 views

NFS not working on bonded NFS interface - mount.nfs: No such device

We have an error message when trying to mount NFS on a RHEL server. NFS works fine on all our other servers, but not on 2 freshly kickstarted servers with the error "mount.nfs: No such device". ...
0
votes
1answer
118 views

Migrating server from RHEL 5.5 to Centos 6.4 remotely

We are planning to wipe our RHEL 5 HP ProLiant DL360p Gen8 server and put CentOS 6.4 on it. However, there are two major issues that may make the install different than normal: The server is in ...
1
vote
2answers
55 views

Does vhost order make a difference?

On our Centos webserver, Apache has a httpd.conf file which lists several vhost.conf files. We have five of these files for different sets of domains. One vhost.conf file can have hundreds of domains, ...
0
votes
0answers
149 views

What are “unmatched entries” in logwatch output?

Kind of a dumb question: What does "unmatched entry" mean with regards to logwatch? I can't seem to find a straight answer. Does it refer to an error condition? Thank you
1
vote
3answers
176 views

What is the RedHat/CentOS equivalent of Ubuntu's “unstable -> testing -> stable” repo nomenclature?

I used to work in a Ubuntu environment. Machines would be pointed at one of three repos: unstable, testing, or stable. To quote the Ubuntu FAQ: The “stable” distribution contains the latest ...
0
votes
1answer
90 views

Having trouble installing php_mbstring on CentOS system

So the new CentOS VPS didn't come with mbstring enabled. Easy enough, right? I typed 'yum install php-mbstring' It then says "Error: Nothing to do." The only thing I can figure is that I'm missing ...
1
vote
1answer
84 views

Puppet changes directory ownership frequently from “users” to “users”

I see many messages in my Puppet dashboard that say a change has taken place, changing ownership of a group from "users" to "users". It seems to be related to the group 'users' existing twice, once ...