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

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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
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2answers
370 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
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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 ...
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2answers
1k 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 ...
4
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1answer
1k 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 ...
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1answer
224 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
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1answer
2k 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 ...
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1answer
254 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
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3answers
142 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
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1answer
165 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 ...
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3answers
21k 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 --> ...
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1answer
74 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 ...
3
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2answers
2k 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
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1answer
895 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
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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 ...
4
votes
1answer
952 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 ...
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0answers
627 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 - ...
3
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2answers
2k 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
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1answer
816 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 ...
0
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2answers
6k views

RHEL server Yum dependencies not working

I have a redhat server that isnt resolving dependencies correctly. I want to install httpd via yum "yum install httpd" and it installs correctly, but when i go to start httpd I get the following ...
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0answers
1k views

Same nfs mount options, different output

I have 2 OEL5.5(RHEL5.5) servers. I'm trying to figure out why when I run mount command I get different outputs. Server1 has the following line in /etc/fstab/ 10.11.0.61:/vol/exports/ /exports ...
3
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2answers
2k views

linux multipath - change device alias safely

I'm running RHEL 5.2 connected to a NetApp over FC. The server is running a database on mpathNN devices that can not be stopped. I need to add a new LUN and give it a specific alias (rather than ...
3
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1answer
2k views

Autofs BROWSE Mode in CentOS\RHEL

I have multiple server mounting their $HOME from a file server. On the clients I have set in /etc/sysconfig/autofs BROWSE_MODE="no" The client also mount directories from other files servers to ...
2
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3answers
16k views

Restarting the httpd service in RHEL returns “Stopping httpd: [FAILED]” - How do I fix this?

This is my first indication of an issue: $ sudo /sbin/service httpd restart Stopping httpd: [FAILED] Starting httpd: no listening sockets available, ...
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2answers
1k views

svn: Too many arguments to import command

Having a problem with the --message flag to the svn import command. On some servers it works, but on others it gets confused if the message contains spaces, even if you single or double quote the ...
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1answer
49 views

Importing binary applications

I have a server that has no dev tools on it (e.g. no gcc). In addition the server has no direct link to the outside world (e.g. no apt-get). The above could not be changed - as an organizational ...
3
votes
3answers
5k views

Anyone know how to fix issues with omsa on red hat 5.1 that reports “No Controllers found”?

I've got a Red Hat 5.1 server 64-bit Dell 2950 with a PERC 5/i controller that until recently was working fine. On it I have an NRPE command check_openmange that started returning errors: ...
0
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1answer
1k views

NFS mount drops to read-only during intermittent network failure

I have an NFS mount (say to /opt/foo) on a RHEL5 install that occasionally drops to a read-only filesystem after a short network failure...I have control over this box but not over the network, so I ...
2
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8answers
3k views

cpu utilization over 100% in linux system

In one of our production Linux servers, CPU utilization is crossing 100 % and sometimes it is 250%. How can I find which process is using more CPU utilization and where can I find CPU utilization ...
2
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3answers
945 views

Unable to start SNMP in RHEL5 64-bit

I have installed net-snmp, net-snmp-utils and net-snmp-devel in my 64-bit Centos5 using yum. The following are the packages I've installed: net-snmp-devel-5.3.2.2-14.el5_7.1 ...
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1answer
2k views

Is it possible to just update Java through YUM on a licensed RHEL5?

RHEL 5.6 64 bit running: Java(TM) SE Runtime Environment (build 1.6.0_27-b07) Java HotSpot(TM) 64-Bit Server VM (build 20.2-b06, mixed mode) Can I update this with the latest build 29 using yum? ...
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1answer
320 views

How to diagnose storage system scaling problems?

We are currently testing the maximum sequential read throughput of a storage system (48 disks total behind two HP P2000 arrays) connected to HP DL580 G7 running RHEL 5 with 128 GB of memory. Initial ...
2
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2answers
429 views

Should swap space be in a logical volume, or directly on disk?

What are the benefits of putting swap into a logical volume over using direct disk access? For example, with a fresh, default install of RHEL5 or 6, a volume group is created on the default disk ...
0
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2answers
4k views

MultiPath configuration on RHEL5 and Clariion CX-300

I have problem with discovering my FC-connected CX-300 storage. Frankly speaking I'm complete novice in FibreChannel, so step by step explanation would be appreciated. My configuration consist of two ...
2
votes
1answer
2k views

Strange files in /tmp/

I have never seen this files in RedHat before. /tmp/orbit-root /tmp/ssh-KEskO14981/agent.14981 /tmp/keyring-OuVrZn/sock What could it be?
0
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2answers
943 views

hostid command not returning consistent hostid on RHEL 5.6 server

We have two newly built RHEL 5.6 x86_64 servers which are part of an Oracle Database Cluster. One is named CMORAC1 and the other CMORAC2. The primary IP Addresses of both servers are 10.100.9.144 and ...
0
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2answers
2k views

Redirecting Syslog events from RHEL 6 to RHEL 5: is it possible to provide with the same event format?

For some reasons, we redirect syslog events from RHEL 6 (with rsyslog) to RHEL 5 (with syslogd). On RHEL 6 in rsyslog.conf: *.* @10.30.46.211 On RHEL 5 in /etc/sysconfig/syslog: ...
0
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2answers
877 views

After applying patches and rebooting, RHEL 5.3 hangs on udev

I suspect that one of the packages in the last system updated is causing problems with the system rebooting. When I reboot, the server hangs on udev. Here are a list of the updates that preceeded ...
0
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1answer
381 views

How do I get trac 12.2 to work on RHEL5's httpd with CollabNet SVN 1.6.17 (which has its own httpd)?

I installed CollabNetSubversion-client-1.6.17-1.x86_64.rpm, which installs httpd v2.2.19 # /opt/CollabNet_Edge/csvn/bin/httpd -v Server version: Apache/2.2.19 (Unix) I installed Trac-0.12.2.tar.gz. ...
4
votes
5answers
2k views

How can I move a process to a core or dedicate a process to a processor?

I have an Intel E5620 processor. I have used cat /proc/[pid]/stat to determine what processor the process was last run on (39th field). How can I ensure that a process is dedicated to a processor (I ...
6
votes
2answers
503 views

How to handle large numbers of connections from an IP address?

Every couple of weeks we have an issue whereby a single IP address opens a huge number of of Apache processes at the same time. It seems to connect to similar pages each time, but our Apache ...
1
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1answer
68 views

create a specific directory within each directory in bash

We're running an application on RHEL and it is trying to write a mysterious log file to a directory that doesn't exist. I'm trying to determine a find command that could go through each sub-directory ...
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1answer
487 views

Install/Update a package on RHEL5 from CentOSPlus repo with same package existing in RHN

I'm trying to install postfix with MySQL on RHEL5 but the repos from the rhnplugin are overriding it even if i have an exclude line in the rhnplugin.conf file My goal is to only use the CentOSPlus ...
0
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1answer
290 views

Access Vista Share from RHEL 5.3 Server - mount error 110

I am trying to access a file share on a Vista box from a RHEL 5.3 server. The Vista box is part of a domain, but it has two NIC cards. One is on the 158.x.x.x network. The other card is on the ...
5
votes
4answers
10k views

How to fix the entropy pool issue with RHEL 5.x

RHEL 5.x has an entropy-generation problem (held-over from kernel 2.4). Following directions from here has produced little-to-no results: How to increase entropy pool on a 2.6 kernel RHEL/Fedora ...
0
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1answer
84 views

Adjusting Linux Group Access

I have created a group in RHEL with one user in it. This user will need full rwx access to /home/anotheruser/ ,recusively. How do I change the user/group permission to allow that user/group to rwx in ...
1
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2answers
749 views

RHEL 5 server hang, which logs

I have a server which is hanging more times than I would like, are there any logs in particular that would be worth examining to determine the reason? /var/log/messages has nothing of note ...
2
votes
4answers
3k views

Linux: disabled user accounts: Is there a non-root shell command that can show if an account is disabled or not?

Is there a non-root shell command that can tell me if a user's account is disabled or not? Please note that I make a distinction between LOCKING and DISABLED: LOCKING is where you prepend ! or * or ...
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4answers
2k views

RHEL5 Run script on Server's first boot

How can I run a script on the first book of my rhel 5 server after install. I am using post kickstart tasks to create a script and I'd like to run it the first time the server boots. How can I do ...
0
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1answer
181 views

Determine ArcGIS version for on RHEL machine

I have a machine that is running arcgis but can't determine what version it is. The documentation I have found so far has been fairly sparse especially with regards to the linux server version of the ...