Red Hat Enterprise Linux version 5 is a Linux distribution sold by Red Hat, Inc. for the enterprise market.
Questions tagged [rhel5]
379 questions
5
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2 answers
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 along with one other small non-logical partition (for…
warren
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3 answers
Cannot find ssl libraries when configuring stunnel
I am using RHEL 5.6 and trying to install stunnel with the 'xforwardfor' patch from haproxy to get a setup similar to this (older) post: http://www.buro9.com/blog/2009/12/07/installing-haproxy-load-balance-http-and-https/
When I run ./configure I…
Derek Downey
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3 answers
Why is my MPIO connection to the SAN capped at 1 Gbps when using Linux?
I'm connecting a RHEL5 box to a Dell EqualLogic PS5000X and seeing a maximum of 1 Gbps even while using MPIO with three gigabit NICs.
I have all three interfaces on the PS5000X and three dedicated iSCSI interfaces on the server connected to the same…
Austin Lundeby
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2 answers
RHEL5: Can't create sparse file bigger than 256GB in tmpfs
/var/log/lastlog gets written to when you log in. The size of this file is based off of the largest UID in the system. The larger the maximum UID, the larger this file is. Thankfully it's a sparse file so the size on disk is much smaller than the…
John Kugelman
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What does this Linux command do?
I have by a mistake written this command on a CentOS server
xargs rpm -e|rpm -qa|grep test11
where I meant
rpm -qa|grep test11|xargs rpm -e
which should uninstall all packages matching "test11".
Can someone figure out what the first command do? I…
Sandra
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How to Update Red Hat Enterprise Linux 5.4 using CentOS Repos
I don't have a subscription for RHEL anymore and I want to update my server. Can anyone tell me How to Update Red Hat Enterprise Linux 5.4 using CentOS Repos ?
enkay18
4
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4 answers
Make a process listen on 0.0.0.0 (or not 127.0.0.1)
Both boxes in question are RHEL5.
I have a python RPC server running on localhost port 8000. When a client running on the same machine tries to connect, everything works great. When a remote client attempts to connect, we get no response.
netstat…
user24773
4
votes
1 answer
Does using LVM cause you to lose filesystem space twice? Lot's of missing space after lvextend
We have several Dl360 G6's in the field. They had 2x 146G disks in a raid 1. After LVM, this shows up as a 136G volume (7% loss to filesystem).
This was carved into 100M /boot, and the remainder an LVM PV. The volgroup contained 2 logical volumes,…
Matthew
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How is "kernel.*" syslog spoofing prevented?
I'm finding instances of syslog-ng writing out garbage followed by a blank kernel.emerg line in one of our production environments. Example of one:
Dec 21 00:14:56 someserver [syslog-ng.err] Error processing log message:
Andrew B
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How to monitor NFS load from userland?
Apologies if I'm not using the proper jargon (although I'm a longtime linux user, I'm not an admin) or if this is a FAQ (though searching SE got lots of hits, I didn't see anything quite like this question):
I'm a user on a science cluster (with…
TomRoche
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2 answers
svnserve seems to write files as root. How can I give access to the same repository via svnserve and apache?
The aim is to set up subversion with both svnserve and apache/webdav access.
When users commit via http/apache, files are written to the filesystem and belong to apache user.
When users commit via svn/svnserve, files are written to the filesystem…
user130370
4
votes
3 answers
RHEL 5 Network Connectivity Issue
I just recently installed RHEL 5 on a virtual machine. The server is set up to use a static IP, which I've configured in the Network Configuration GUI. There is only ethernet interface set up called eth0 which is set to activate on boot. After…
Brian
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3 answers
Easiest way to convert HVM DomU to PVM?
I've got a bunch of Xen 3.4 DomUs that are currently running as HVM because of our infrastructure (Kickstart which doesn't handle Xen PVM yet). Both DomU and Dom0 are RHEL5 machines. If I understand the documentation and configuration correctly, it…
Nikolai Prokoschenko
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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 same stripe width. As we usually use Oracle ASM…
martineg
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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 marked as /dev/sdb.
When I remove it and re-attach…
Kiranjith Tg
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