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Questions tagged [rhel6]

Red Hat Enterprise Linux version 6 is a Linux distribution sold by Red Hat, Inc. for the enterprise market. It is used for both servers and desktops. Although the binaries are not freely available, the sources are, and so there are numerous projects which provide compatible rebuilds of RHEL, such as CentOS and Scientific Linux.

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It should be set to 65000 to avoid operational disruption

I'm following Taking Solr to Production | Apache Solr Reference Guide 8.5, however unable to overcome warning while restarting solr service: # service solr restart *** [WARN] *** Your open file limit is currently 1024. It should be set to 65000 to…
alexus
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mount.cifs: mount error(112): Host is down

I am trying to mount a windows samba share on CentOS and RHEL 6 machines, but gives following error. ~]# mount.cifs //example.com/Linux_Support /mnt -o credentials=/root/cifsauth,noserverino,vers=3.0 mount error(112): Host is down Refer to the…
Arun Krishnan
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ldap_add: Protocol error (2) additional info: no attributes provided

I'm following this guide to migrate existing users in /etc/passwd and /etc/group on a RHEL6 machine to a new, external OpenLDAP server. I'm trying to apply this file: # cat people_group.ldif dn: ou=People, dc=my_domain, dc=com ou: People …
Leo
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Practical ulimits

One of the projects I'm working on is moving certain puppet-applied ulimit settings away from "that sounds about right" to dynamically allocated based on the environment. This is for single-application environments, so I'm mostly worried about…
sysadmin1138
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Is PHP 5.3.3 on RHEL 6.5 receiving security fixes?

I notice that the latest PHP available on RHEL 6.5 is PHP 5.3.3. See Distrowatch and also my own check: $ php -v PHP 5.3.3 (cli) (built: Jul 15 2014 08:48:08) However, the PHP website claims that this version is depreciated, and the 5.3 branch…
dotancohen
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Generating an SHA256 SSL CSR on CentOS/RHEL using genkey

The officially recommended method of generating a web server SSL certificate CSR (according to RHEL6 and CentOS 6 documentation) is to use the genkey utility. When used according to the docs, this produces a CSR with an SHA1 signature. Our CA has…
steevithak
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SELinux for RHEL not persistant after reboot

So in the Red Hat exam they want you to use SELinux. If for example you install vsftp, then do setsebool -P ftp_home_dir=1 or setsebool -P ftp_home_dir on to allow the users on the server to access the home directories. Then do a reboot I notice the…
user3571487
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Anaconda kickstart and rootpw option

I've tried a few different methods of generating an encrypted password on SL 6.5, but nothing seems to work for me. I'm not finding any errors anywhere in the various /var/log/anaconda* files, but I can't log in so it's obviously not working. The…
miken32
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PHP Startup: Unable to load dynamic library '/usr/lib64/php/modules/gd.so' undefined symbol: gdImageWebpCtx in Unknown

We're running RHEL6 and just started getting this error when restarting php-fpm. PHP Startup: Unable to load dynamic library '/usr/lib64/php/modules/gd.so' - /usr/lib64/php/modules/gd.so: undefined symbol: gdImageWebpCtx in Unknown I've tried…
eisaacson
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RHEL 6.x - yum gives "ImportError: No module named cElementTree" errors

I'm making a set of changes to a group of 150 servers. All systems were able to successfully download and install a specific set of RPM's via yum, except for one. One this particular system, all yum commands outside of "clean" dump the following to…
ewwhite
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RHEL 6.3 Upgrading OpenSSH & Apache

We just ran an external security scan from 403Labs against one of our servers (RHEL 6.3 x86_64) for PCI compliance and the results appeared to mainly dictate that we had a hand full of applications that needed to be upgraded to pass the scan. That…
Skittles
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How to upgrade module located inside initramfs?

We have recently upgraded our e1000e (intel ethernet) module on one of our CentOS 6.0 boxes. Even tho the module compile and installed fine, the old version is still being used. We have tracked this down to the fact that the e1000e.ko module is…
anonymous-one
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apache/httpd responds slower under EL6.1 than EL5.6 (CentOS)

I've read through other threads on performance differences between RHEL 6 and RHEL 5, but none seem a tight match to mine. My issue manifests itself in slightly slower average response time (20ms) per request. I have about 10/10 servers of the same…
daniel
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Are Link-Local routes necessary (IPv4)?

I noticed in my routes output in RHEL6 (and most 2.6.x series Linux), for every interface I see the creation of the following route in my kernel routing table: 169.254.0.0 0.0.0.0 255.255.0.0 U 1018 0 0 bond0 169.254.0.0…
slugman
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Modify XFS filesystem creation parameters during kickstart installation

I'm streamlining the kickstart process for a series of EL6.2 (RHEL, CentOS, SL, etc.) systems. I'd prefer to use XFS over ext4 for the growth/data partition. However, I'd like some control over the options passed to mkfs.xfs for the creation of the…
ewwhite
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