Red Hat Enterprise Linux version 5 is a Linux distribution sold by Red Hat, Inc. for the enterprise market.

learn more… | top users | synonyms

0
votes
0answers
63 views

How to investigate Linux scheduler issues?

I have a Linux server process that should runs multiple threads at close to 100%, each on its own CPU. When I run the process on one server (see [1] below), the CPUs in question appear to stay pegged ...
0
votes
1answer
835 views

Getting HAPROXY to redirect http to https in users browser session

We are currently using a Internet cloud provider to host our SaaS platform. The platform consists of a Firewall -> Cloud Provider SLB -> -> Apache Web Server -> HAPROXY SLB -> Liferay Platform We ...
1
vote
3answers
100 views

RHEL (say 5.6, kernel 2.6.18-238) with dual IP address (IPv4v6)

So I have a SERVER that that utilizes RHEL's (assume 5.6) underlying kernel for setting up TCP connections and other networking aspects. My deployment need requires that the SERVER have dual IP ...
0
votes
1answer
130 views

Why does Satellite need a kickstartable distribution for cloned channels, but not on the official main Red Hat Channel?

I have been using Satellite for a while now and I am able to kickstart machines directly from the official main RH channels Red Hat Enterprise Linux (v. 5 for 64-bit x86_64) Red Hat Enterprise Linux ...
0
votes
1answer
1k views

What to do with subscription-manager in a Red Hat Network Satellite environment?

Yum commands all give the following error message: Unable to read consumer identity It seems however that subscription-manager plugin should be disabled if I use RHN/Satellite? What to do after ...
0
votes
1answer
43 views

CPU Spikes when Untar'ing File on Virtual Server

I have a RHEL 5.5 on VMWARE running with 64GB Memory. When we untar a file (part of a daily process) the CPU Load sometimes spikes - rendering the server essentially nonresponsive. The disks are ...
0
votes
1answer
187 views

Upgrading ImageMagick RHEL 5 [closed]

We have been using ImageMagick for quite some time with out any trouble. However, today we can across an pdf we were trying to convert into a jpg thumbnail, which would fail: $ convert example.pdf ...
1
vote
3answers
313 views

RHEL 5 blocking outgoing traffic, incoming SSH works, traffic on 2nd interface works, iptables is off

I'm having a strange problem with an RHEL 5 server. I changed its IP address, we are migrating to a new address pool, and something is blocking all outgoing traffic, but I can SSH in on that ...
0
votes
1answer
41 views

RHEL Mail From Address

I have several virtual servers that were cloned from the same original server. Whenever I send mail from them using "mail", the from address shows up as the name from the original server but the ...
0
votes
0answers
167 views

Read-Only User Account, for troubleshooting, with enough privileges to run normal monitoring programs

How can we create a user account on RHEL(or other Linux OSes) such that the user Has complete read access to everything on the system (except password files, of course) Has no write privilege at all ...
1
vote
1answer
302 views

RHEL 5.8 LDAP pam_groupdn customisation

I have a given LDAP-Server I want to use for User Authentication on my Red Hat Enterprise Linux 5.8 Server. I got the connection to the LDAP-Server working and I'm able to Login to the Linux Server by ...
2
votes
1answer
581 views

Caveats when upgrading from RHEL 5.4 to RHEL 6.3 on hundreds of production servers [duplicate]

Possible Duplicate: Caveats when upgrading from Java 6 to Java 7 on hundreds of production servers I am about to upgrade the RHEL version from RHEL 5.4 to RHEL 6.3 in a few hundreds of ...
0
votes
1answer
31 views

Client Side Negotiation

I have -MultiViews set and SSLInsecureNegotation off ( in ifmodule of mod_ssl.c) in Apache. But still vulnerability report says I am vulnerable to client side negotiation and "This server is ...
2
votes
3answers
661 views

Server sending out packets bigger then MTU

I have a server that I am transferring data off of. We were having some problems that were traced back to the fact that the server is sending out jumbo size frames despite the fact that ifconfig is ...
0
votes
1answer
304 views

Ganglia web generating “error collecting ganglia data (:): fsockopen error”

Now, I'm trying to install a new ganglia-web interface to replace an older one. Google searching on the error got me a lot, but none of it helps. One large distinction I note is that Google usually ...
1
vote
2answers
110 views

MySql in Bash: Show only errors

Let me first start off by saying I am not an experienced linux user. I am trying to debug a mysql script in linux, however, my issue is that most of the queries are successful so I can not see the ...
1
vote
2answers
485 views

How do I put VMware guest drivers in the initrd?

I am trying to get a Red Hat 5.8 box booting via pxe. The box is a virtual machine on ESX5.0 it has a Paravirtual SCSI Controller and VMXNET3 network driver. Now these drivers do not come default in ...
2
votes
4answers
4k views

ntpdate works, but ntpd can't synchronize

This is in RHEL 5.5. First, ntpdate to the remote host works: $ ntpdate XXX.YYY.4.21 24 Oct 16:01:17 ntpdate[5276]: adjust time server XXX.YYY.4.21 offset 0.027291 sec Second, here are the server ...
1
vote
0answers
379 views

How to Update OpenLDAP version from 2.3.x to 2.4.11 or later based on RPM(RHEL 5) package

I Using RHEL 5 Operating System, I want updating OpenLDAP version from 2.3.x to 2.4.11 or higher, I installed OpenLDAP(v 2.3.x) based on installation package. I have used the following command to ...
0
votes
2answers
109 views

Logging into Linux server gives users 'domain users' for default group can it be changed?

I recently attached a RHEL 5 test box to our active directory server to try and get all of our users to not have to remember so many passowrds. I'm using winbind and samba and everything seems to be ...
1
vote
1answer
1k views

Incorrect MIME type - pulling my hair out

I have a problem with CSS files being incorrectly marked text/html by Apache. The file type is mismatched in the browser, and is ignored causing display failures. I'm using Apache 2.2.3 on a RHEL 5 ...
0
votes
2answers
192 views

VxFS on both Solaris and RHEL?

I'd like to know if VxFS could be used in order to share a volume ( on a SAN mounted using FC) between a RHEL (5 or 6) and Solaris (11) host ? What I'm trying to achive is to shared a volume (from a ...
2
votes
2answers
1k views

Monitor or log directory permission changes?

I'm having an issue with a cPanel shared server running CentOS 5 where a few directories under the public_html folder keep getting changed to 777 from 755. The customer says they are not changing it ...
3
votes
2answers
453 views

setting up rhel 5.x RPM build server for mortal users

My task is to setup a RHEL 5.x build host, that can build RPMs for mortal users. On RHEL 6.x with rpm version 4.8, I have in /usr/lib/macros: # Path to top of build area. %_topdir ...
1
vote
1answer
316 views

rpm rollback ignoring rpms - no error output

Issue rpm rollback is not working with a set of repackaged rpms created in the last couple days, but does work with more recent ones. [root@host1 repackage]# ls -l zsh-4.2.6-* -rw-r--r-- 1 root ...
1
vote
2answers
489 views

How can I create an “su” only user (no SSH or SFTP) and limit who can “su” into that account in RHEL5? [duplicate]

Possible Duplicate: How can I allow one user to su to another without allowing root access? We have a user account that our DBAs use (oracle). I do not want to set a password on this ...
0
votes
2answers
2k views

How to prevent DNS lookups when service already disabled DNS lookups?

My enterprise recently deployed a DNS capability to all systems within the enterprise. Due to a fluke asynchronous routing error for some of our servers, we have discovered that even when a service ...
1
vote
0answers
381 views

Deciphering IPSEC errors

I have a host I am trying to setup for ipsec. But I am finding some errors in the log that don't make much sense to me. The system are Rhel 5.5 boxes. I followed RHEL's IPSec deployment directions ...
4
votes
1answer
1k views

Online resize of large ext3 file system - is performance affected?

I am planning for a resize of a rather large file system hosting an Oracle instance (one of several on the same server). The disk is 4 TB striped over several LUNs, I'm increasing by 1 TB keeping the ...
0
votes
1answer
495 views

pam_radius_auth.so - Setting up Radius on RHEL 5.6

I am currently dissecting a single-sign-on RPM. Contained within the RPM there is the module pam_radius_auth.so. Based on the documentation here: http://freeradius.org/pam_radius_auth/ and here: ...
1
vote
0answers
514 views

Newly Resized Luns not Showing correct LUN Size RHel 5.3

My linux servers are not showing their newly resized fibre Luns after being extended on the fly(online).the storage guys have successfully resized the LUNS from 1Tb to 2 Tb .We are running fibre SAN ...
2
votes
2answers
227 views

Mod_Perl Install Error

I am installing software and one of the dependencies is mod_perl, when i run #perl Makefile.PL I receive this error: ***** WARNING ***** Your Perl is configured to link against libgdbm, but ...
3
votes
1answer
1k views

Getting OTRS to work with XAMPP

Setting up a testing environment on a RHEL5 server to test out OTRS ticketing system. I installed XAMPP for the ease of use factor for testing but can't seem to get the ticketing system to start with ...
1
vote
2answers
756 views

CentOS equivalent of RHEL php-pecl-zip package?

I have a RHEL 5.5 host with PHP 5.1.6, and the php-pecl-zip package installed (using yum). I have another host with CentOS 5.8 and PHP 5.1.6, and I want to have the same php-pecl-zip package ...
2
votes
1answer
603 views

NFS mount mounted inside another NFS mount disappears randomly

I have quite an odd issue where my nested NFS mounts just disappear randomly from time to time. The fstab entries look somewhat like this: nfs:/home /home nfs ...
0
votes
1answer
200 views

chmod -R 777 /. - RHEL 5.5

A shell script testing went bad and it issued chmod -R 777 /. to the system, instead of chmod -R 777 ./ and as expected it wiped the critical meta data. We have turned off the system and it ...
0
votes
0answers
81 views

samhain corrupt record in the file signature database

in RHEL 5 server running as a guest in ESXi 4, we installed ESXi patches and then installed vmware tools update. when I run samhain -t update --foreground i get: there is a corrupt record in the ...
0
votes
1answer
937 views

OpenLDAP fails to stop ,but starts Ok but then status shows as slapd stopped

We are running openldap 2.3.43 on RHel 5.3.,Our LDAP server has been behaving erratically lately 1.It fails to stop when you issue command service ldap restart but it "seems" to starts OK ...
0
votes
1answer
226 views

Handling yum upgrade from pkg-x.y.rpm which requires mod_python to pkg-x.(y+z).rpm with conflicts mod_python

With yum/rpm on RHEL 5 can a yum upgrade be made to remove another, conflicting package - similar to the behaviour of apt-get dist-upgrade on Debian? I am updating the .spec for our product's rpm. ...
4
votes
3answers
133 views

How to clear a disk entry from Linux

I have few Linux (RHEL 5.x / Centos 5.x) boxes running on KVMs, on which I used to attach and detach disks on the fly. Now the problem with EL5 versions are, when we add a disk, initially it will be ...
1
vote
1answer
114 views

Is opsview-agent 4.0 compatible with an Opsview 3.x server?

I was setting up some new RHEL machines to monitor with our Opsview Community 20120424 server (which is based on 3.x) and discovered that the Opsview yum repository no longer has the 3.x ...
3
votes
3answers
8k views

Exclude a specific repo from YUM Update

I am doing a system wide yum update on RHEL 5.5 and the IUS EPEL repository is throwing a missing dependency error: php53-mcrypt-5.3.3-4.ius.el5.x86_64 from installed has depsolving problems --> ...
1
vote
1answer
58 views

Sendmail dot-addressing

I need to be able to route mail to user.@ to user@. I know I can do it easily with + addressing, but the business requirement is for dot-addressing. The virtusertable file can't handle it - using ...
2
votes
2answers
766 views

Is there a command line MIME extractor shipped with RHEL 5?

It looks like mpack is not shipped with RHEL. Is there a command line MIME extractor (i.e. something that can be used from a shell script) shipped with RHEL 5 that does not require installing a third ...
0
votes
1answer
591 views

LVM cannot detect my swap or '/' volume group but why is the swap still present

i have a server (hp x86 blade running OEL/RHEL5) that has a faulty lvm filter configured in lvm.conf filter = ["a|^/dev/emcpower.*|", "r/.*/"] we also use cciss devices so there should have been an ...
3
votes
1answer
1k views

Why does my lvm2 volume group only work with multipath device mapper and not powerpath?

My server is an Oracle Enterprise Linux 5.4 (RHEL5) on an hp blade (x64) with qlogic HBAs connected to an EMC clariion SAN. We are migrating from multipath to powerpath, because emc and the company ...
5
votes
1answer
615 views

mount using insecure ports for nfs

Title says it. mount is occasionally making NFS mount/unmount requests from insecure ports. I believe the issue is being caused by all of the secure ports being stuck in TIME_WAIT after periods of ...
1
vote
0answers
570 views

Apache randomly fails to restart (port 80 in use) .. Probably cron related?

So this started happening for no apparent reason on a RHEL5 server running Plesk 10. I woke up one morning to find all the sites hosted on this box were offline. I SSH'd in and restarted httpd - ...
2
votes
2answers
1k views

How can I configure permanent arp entries on Red Hat Enterprise Linux?

I'm configuring a Red Hat Linux server which will be sending UDP packets out but never receiving ARP responses. So a static ARP entry is required. The obvious way to do this is. arp -s 10.0.0.1 ...
1
vote
1answer
495 views

Connection to mysql server in SYN_SENT

We are facing a strange problem from last few days between our application server and database server(Mysql): connection to database server from application server hangs in SYN_SENT state and after ...