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 ...

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14 views

policy based routing on multiple interfaces and default route

I have a server with multiple interfaces connected to different networks. I have eth2 wih ip (10.1.1.1). I have the following routing set: # ip rule list 0: from all lookup local 32765: ...
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0answers
14 views

ls hangs on NAS mount point

Frequently we are running into this problem. our NAS mount points works perfectly and all of sudden it hangs. when we go and do ls hangs the terminal. strace ls /srv/git hangs here ...
1
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1answer
45 views

Linux VMWare Tools build for running kernel or latest installed kernel?

I haven't been able to find any information regarding when building VMWare Tools on Linux whether it builds against the currently running kernel or the latest installed kernel. To clarify ...
-1
votes
1answer
26 views

Installing a Newer Package than what's in RHEL's Repositories

What's the best way in RHEL to install a newer version of a package than what's in the repositories? In Ubuntu I can just add the repo for a newer version of Ubuntu, install the package with apt, ...
-7
votes
1answer
44 views

How to install git-daemon on red hat enterprise 6 [closed]

I need to install git-daemon on Red Hat enterprise Linux 6.2, with http support. What are the correct package to install? It is necessary to create a specific user or group? I'm looking for a simple ...
0
votes
1answer
39 views

add system user without login but able to su without asking for password

I created a user "sysuser" with -r option, when trying to su using another non-root user I am prompted for password. As "sysuser" is a system account and should not login, I did not set up a ...
1
vote
1answer
49 views

Check if account is allowed when using pam_access

I'm using pam_access and /etc/security/access.conf to restrict who can login to my Rhel 6.5 hosts. I have an LDAP server with a diverse user base, and the security people would like a list of who can ...
0
votes
0answers
25 views

Running a DRBD cluster having two different versions

Is it safe to have a cluster composed of two servers one running DRBD 8.0 one running DRBD 8.3 or 8.4 Currently there is only one DRBD server with the 8.0 data. Will the new added server on DRBD ...
1
vote
0answers
36 views

NUMA - all CPU's bound to node 0

I am running Dell PE 815 servers with two 16-core Opteron's, with four memory modules on each, OS - RHEL6, when I've started optimizing it for NUMA operation, found, that all cores are shown as bound ...
1
vote
1answer
29 views

Log/Audit everything allowed by SELinux

I'm profiling some proprietary software to construct a set of permission requirements and SELinux policies to allow it to install and run on Oracle Linux (or any RHEL derivative). I'm running SELinux ...
0
votes
0answers
60 views

AWS Linux RHEL instance unable to format and load new storage partition

I have an AWS RHEL instance. Following are the storage devices on it: $lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT xvda 202:0 0 20G 0 disk xvda1 202:1 0 6G 0 part / I ...
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0answers
28 views

Apache doesnt start after mod_wsgi re compile

I recently had to rebuild python and mod_wsgi in order to get a django site working. The problem is now apache doesnt start. I'm running RHEL6, and Apache 2.2 This guide is what I followed ...
3
votes
1answer
202 views

Cron job as root need to sudo to another user [duplicate]

RHEL6 In root's crontab a have: * 21 * * * /root/script.sh In script.sh there is a line: /usr/bin/sudo -u jira bash -c 'cd /opt/jira/bin; ./stop-jira.sh' && echo "Jira Shut Down" >> ...
0
votes
0answers
42 views

What causes ntpq refid CRYP when authentication is successful?

I have five servers that I'm configuring for production use based on a configuration we've recently tested. The servers are RHEL6 with NTP version 4.2.4p8@1.1612-o. Right now, though, I'm trying to ...
0
votes
1answer
40 views

RHEL6 autofs maps with subdirectories and LDAP

All the documentation I see shows, even for file based, mounts that will show up on the client computer like /test/mymount and you can have as many /test/mymount2 /test/mymountN as you want. What I ...
0
votes
0answers
33 views

Local MySQL connection using eth0 rather than lo loopback

We've installed MySQL 5.6.22 on RHEL6.6 and noticed terrible performance compared to a previous install on RHEL6.5 and MySQL 5.6.20 The main thing that we've noticed is that all the traffic appears ...
3
votes
2answers
534 views

Ansible Fails to Authenticate Sudo Even When Sudo Pass is Given

Problem Using the latest, stable Ansible build, I have an odd problem where my playbook hangs on one server during "Gathering_Facts" but works fine on other similar servers when using Sudo. On the ...
1
vote
1answer
159 views

How do I get the system-serial-number for Xen Server?

I would like to find out how could I be able to retrieve the system-serial-number of virtual machines installed on Citrix XenServer. I had referred to ...
2
votes
2answers
59 views

How to estimate potential power savings

If I have some servers set to static high performance mode, is there a way to generate a report on what power savings mode would have done, if it were enabled? I am looking to generate reports of the ...
0
votes
2answers
2k views

Yum installation fails with RHEL 6.5

I am trying to install shibboleth SP package using YUM installation (Yum install shibboleth). I am getting the following error while installing. Downloading Packages: ...
0
votes
0answers
76 views

INFO : task events/2:69 blocked for more than 120 seconds

I'm using RHEL 6.3 running on VMWare vsphere and aproximatively every month there is this error message and application running above hang until I restart the server: "echo 0 > ...
0
votes
0answers
105 views

Utility to list and modify kernel modules loaded during system startup

How do I list all kernel modules loaded while system startup? Is there a user space utility to list and modify the modules loaded during system startup? I am working on RHEL6 Desktop and RHEL6 ...
0
votes
2answers
307 views

RHEL 6 Having issues forwarding port 80 to port 8080

I am trying to set up a JBoss app server on an RHEL build. Jboss is bound to 127.0.0.1:8080, and I am trying to setup iptables to redirect all traffic from port 80 to port 8080. This is my config ...
1
vote
1answer
78 views

How to customize the default set of apps launched with gnome desktop on CentOS 6.*

Background We run a series of CentOS 6.5 servers which each host multiple users (~100s) coming in via X-Window XDMP from their MS Windows desktops. These users don't need the host of default ...
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2answers
161 views

Running 'show process list' simultaneously

I have two scripts put into a cron that runs every single minute. Both the scripts connect to the same database and runs a show full processlist. Is it okay if two show full processlist commands are ...
1
vote
2answers
141 views

RHEL 6.6: redis-package for php54

Redhat Enterprise Linux Server 6 contains php54 packages, in addition to the normal php packages that ship version 5.3. Unfortunately for me, a php-redis package exists, but no php54-redis package. ...
4
votes
1answer
137 views

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 ...
0
votes
1answer
95 views

rcp files from windows 2008 server to linux box? (Running rcp on linux)

I am trying to run rcp command on rhel6 server to copy over files from a windows 2008 server but see this error message. /usr/bin/rcp administrator@10.225.185.112:"C:\nfsqa-rhel62-vm01.root.keytab" ...
0
votes
2answers
1k views

Unable to load dynamic library '/usr/lib64/php/modules/ssh2.so' [on hold]

When I try to run any php script with my user within shell, I get the following warning: PHP Warning: PHP Startup: Unable to load dynamic library '/usr/lib64/php/modules/ssh2.so' - ...
0
votes
1answer
2k views

RHEL 6.6: [Errno 14] PYCURL ERROR 22 - “The requested URL returned error: 403 Forbidden”

First of all, it's the first time I setup RHEL machines, I'm more used to Debian. We're installing many machine at the same time. We've upgraded from RHEL 6.3 to RHEL 6.6 and we're now trying to ...
0
votes
0answers
59 views

Automatically configure networking on new VM in XenServer

We have a base RHEL 6.5 64-bit template that we use to create new VMs in XenServer. Every time we make one, we have to configure: /etc/hosts /etc/sysconfig/network ...
0
votes
1answer
122 views

No package php5-intl available RHEL

I'm trying to install php5-intl on Red Hat but cannot seem to find the package. I run yum install php5-install and get the error No package php5-intl available. Is there a different repository I need? ...
0
votes
1answer
341 views

make PHP curl use openssl instead of NSS

Does anyone know how could I force php to use curl with openssl instead of NSS on RHEL 6? I've installed curl-openssl-7.30.0-1.1.el6.x86_64.rpm but how can I tell php to use it? Actually is there a ...
1
vote
2answers
395 views

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 ...
2
votes
1answer
89 views

Puppet's issue: Configure WAN interface, reload network in the process result in broken agent's run

A little background: I want to use puppet to fully configure RHEL6 servers freshly after they have been installed with kickstart, the kickstart itself is fully automatic and provide dhcp-enabled ...
3
votes
2answers
4k views

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 ...
1
vote
0answers
125 views

Java Spring application working on one system, dying on almost identical one

Introduction I'm running a third party Java Spring application on RHEL, that refuses to run on machines cloned from a certain RHEL 6.5 template. It just dies on startup with a bogus exception (see ...
0
votes
1answer
39 views

Disk usage spiked, now normal, how to track files?

On a Linux server (RHEL 6.2) with a 50GB drive, disk usage which is normally around 57% spiked for about an hour to 100%. It has returned to normal again. Is there some way to find out what files ...
0
votes
0answers
524 views

RHEL 6: packages from server-source repository are invisible/unavailable

There are some RHEL (6) official repositories with source-rpms. E.g. rhel-6-server-source-rpms: # subscription-manager repos | grep -A 4 rhel-6-server-source-rpms Repo ID: rhel-6-server-source-rpms ...
1
vote
2answers
50 views

NTPD slews time when it doesn't need to

I have some odd behaviour running ntpd on a rhel 6.5 machine. This machine runs as a virtual machine on a kvm host (also rhel) and this host has the correct time (within a few ms), and an ntpd that ...
0
votes
0answers
28 views

What is the default behavior when a RHEL 6.x DHCP client fails to renew its address?

I have had experience with some RHEL 6 servers that were found unreachable, and investigation of the console revealed that they had failed to renew their IP address, and eth0 was without an IP. There ...
0
votes
0answers
92 views

Installing cloud foundry on RHEL 6

I am trying to install Cloud Foundry on RHEL 6 VM on our corporate network. All documentation, I have seen is on installing on AWS or vSphere. Is it possible to to install it on a single RHEL 6 VM or ...
1
vote
1answer
622 views

redhat cluster failover not working (corosync [TOTEM ] Retransmit List)

I'm using following: [root@kpdbm01 ~]# cat /etc/redhat-release Red Hat Enterprise Linux Server release 6.5 (Santiago) [root@kpdbm01 ~]# uname -a Linux kpdbm01 2.6.32-431.20.3.el6.x86_64 #1 SMP Fri ...
0
votes
1answer
362 views

keepalived failover virtual ip parameters

I have two servers (A-master and B-backup) with one virtual ip. I need to assign the virtual ip to server B in case server A fails. For this I'm trying to configure keepalived. server A virtual ip ...
0
votes
1answer
87 views

Puppet master receiving a YAML error after upgrade to 2.7.25-2

Our puppetmaster server was upgraded to the latest available on RHEL6 (puppet-2.7.25-2.el6.noarch). We are now receiving errors such as this on the master: Aug 26 11:36:59 master1 ...
0
votes
0answers
250 views

RHEL6: bonding NICs with DHCP reservation problems

I am using a 4 NIC bond with Bonding Mode: transmit load balancing and a port channel is configured on the switch. I have a DHCP reservation for the IP address being used for the bond. I configured ...
0
votes
0answers
179 views

Nginx/puma rhel unix socket permission error?

When I try to start my puma server, I get the error: /.rvm/gems/ruby-2.1.1/gems/puma-2.9.0/lib/puma/binder.rb:275:in `initialize': Permission denied - connect(2) for "/var/run/nvhbase.sock" ...
2
votes
0answers
95 views

Why “scope link” ipv6 address can be pinged via interfaces which they are not active on

[root@2_01 ~]# /sbin/ip -6 addr show pubeth0 inet6 2001:1::6/64 scope global inet6 2001:1::1/64 scope global inet6 fe80::20c:29ff:fe69:f9e8/64 scope link [root@v2_01 ~]# /sbin/ip -6 addr show ...
-1
votes
2answers
150 views

RHEL 6.5 and LDAP

I am trying to connect our Active directory server to brand new RHEL 6.5 server. I want to authenticate users using AD credentials, but I want to restrict that only certain users can login, I don't ...
1
vote
1answer
389 views

RHEL Java Application returns “No space left on device” but only 3% used [duplicate]

My Java Application returns following Exception when saving a new file in /opt/wso2 on a CentOS 6.4: Caused by java.io.FileNotFoundException: ... (No space left on device) Caused by: ...