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Questions tagged [redhat]

Red Hat is an open source technology solutions provider with offerings including Red Hat Enterprise Linux, open source applications, security and systems management, virtualization, Services Oriented Architecture (SOA) solutions, server and desktop operating systems, Java application software and services, and the JBoss Enterprise Middleware Suite. Please also consider whether or not the more specific RHEL5 or 6 tags might be appropriate as well.

Red Hat is an open source technology solutions provider with offerings including Red Hat Enterprise Linux, open source applications, security and systems management, virtualization, Services Oriented Architecture (SOA) solutions, server and desktop operating systems, Java application software and services, and the JBoss Enterprise Middleware Suite.

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Reducing the size of an existing partition (Redhat 5)

How can I reduce the size of an existing LVM partition without screwing the data in there? What if that partition is the root (/) partition?
Mathieu Longtin
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mcelog doesn't fails to start PUIAS 6.4 amd hardware

Folks, I am a total Linux n00b. I am trying to deploy mcelog on one of my computing nodes running PUIAS 6.4 (i86_64) [root@lov3 edac]# uname -a Linux lov3.mylab.org 2.6.32-358.18.1.el6.x86_64 #1 SMP Tue Aug 27 22:40:32 EDT 2013 x86_64 x86_64 x86_64…
Predrag Punosevac
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Red Hat 5.10 fail to boot on HP DL380 G7

I'm trying to install Red Hat 5.10 x86_64 on an HP DL380 G7 server, everything goes fine and I get the successful installation message but don't know why the server fails to boot! I've done the installation many times with different partitioning…
Mehdi
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Missing over 100GB of Space on sda1 RHEL

I have a server setup with a RAID 5 using (3) 500GB drives, 1 as a spare so unused in the RAID. So in my mind i start out with 990GB with the RAID 5 in place. When looking at DF or the built in disk space utility i only see a total of about 882GB,…
WifiGhost
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Redhat + Postfix: Sending emails only works from the command line

So I have a ruby app that sends emails when there are errors, however it doesn't seem to be working. Here's the log for when that happens: /var/log/mailerlog: Sep 30 14:09:58 511914-db2 postfix/qmgr[1975]: 7794E5A02BD: removed Sep 30…
bigpotato
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I'm getting "yum error no such table packages", how do I fix corrupted db?

I'm trying to use following guide: Scientific Linux - How To Upgrade To The Latest S.L. 6.x Release to update my Scientific Linux release 6.3 to Scientific Linux release 6.4. # yum update --releasever=6.4 Loaded plugins: refresh-packagekit,…
alexus
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Can I use an expanded VMdisk without rebooting the RHEL-server?

We are running RHEL 6.4 on VMware. I have an OS disk of 20GB and want to expand it to 30GB. I have expanded the disk in VMWare. Is there any way I can let the OS recognize that /dev/sda has grown from 20GB to 30GB, without rebooting the server?
ujjain
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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 years and am now looking at deploying RHEL-derived for…
user287424
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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 based OS's. There are some hacks about…
Capt. Crunch
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Sub-interface already in use on another host - brand new interface

I created a sub-interface on a RHEL box, eth0:1, and copied the eth0 config and changed all the settings to reflect eth0:1 and the IP address. However, when I issue ifup eth0:1 I receive this error: [root@server-1 ~]# ifup eth0:1 Error, some other…
FilBot3
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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 mount.cifs as root using sec=krb5. This works…
Doug
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Can I use Puppetmaster 3.2.x with Puppet 2.7 clients?

We are using RHEL 6.2 with Puppet 2.7 on about 100 servers. I am planning to update the puppetmaster to RHEL 6.2 with Puppet 3.2. I understand that I have to rewrite a few manifests in order for the modules to work. But does Puppet 3.2 support…
ujjain
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Disable all USB devices but keyboard/mouse/flash-drive

For security reasons, I would like to make sure no USB device can be connected to my servers running RHEL3 except keyboards, mice and flash drives. To sum up : What should work : Mouse Keyboard USB storage device What shouldn't work : Printer USB…
mveroone
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Redhat: How to create a new role with SELinux?

I can figure out how to map a SELinux user to an existing role, but how do I create new roles? I'm looking to create a restricted admin role for my box.
lairtech
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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 which runs OpenLDAP for authentication and…
rahuL
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