Red Hat Enterprise Linux (RHEL) is a commercially supported Linux distribution.

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How to set Timeout for an ssh command and also get back the result of remote commands

I have a script that runs on bash, in an RHEL server that connects to thousands of nodes and returns with the values of some 5 executed commands - It collects info from RHEL Servers only. It works ...
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yum-builddep building the dependencies from source

My current way of building packages from srpm: cd ~/rpmbuild/SRPMS yumdownloader --source $p sudo yum-builddep *.src.rpm if some build deps not found, repeat the above steps for each of them ...
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Is there any sound enhancer/equalizer for Linuxes that are not Ubuntu?

I am looking for a systemwide audio equalizer for Debian, Gentoo or Red Hat Enterprise Linux, i.e. an audio equalizer that filters the entire signal that is sent to the audio chipset, something ...
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Connect to Windows share from Red Hat machine via DNS name

We have a Windows share \\server1\share From a Red Hat machine, we can mount to the share without issue. We have setup a DNS pointer that points to server1 and is named production. From the Linux ...
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Why doesn't yum-builddep install all dependencies?

What worked for other packages, doesn't work for kernel. Why? First, sync: [git@dioptase SRPMS]$ ssh root@localhost yum-builddep /home/git/rpmbuild/SRPMS/kernel-2.6.32-431.el6.src.rpm Getting ...
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How could we allow non-root users to control a system.d service?

With sysvinit, a sudoers entry like this would suffice: %webteam cms051=/sbin/service httpd * This would allow for commands such as: sudo service httpd status sudo service httpd restart Now, ...
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Is anyone using Red Hat Enterprise Linux for Desktops or Workstations at home? [on hold]

I consider using RHEL for my dissertation, on my Thinkpad T430. I've been using Linux (mostly Ubuntu, Debian) for the last decade but I'm curious about RHEL since it seems to be used a lot outside ...
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What's the difference between RHEL 6.5 and RHEL 6.6? [on hold]

I've a copyright software installed on my server and the support told they don't support RHEL 6.6 against RHEL 6.5 only. They ask me to downgrade the release. I explained I'm very surprised like it's ...
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16 views

Failed login notification at login

I have seen it before when you log into a Linux box wrong, when you do successfully log on, it notifies you that someone attempted to log on as you and didn't succeed. How is this accomplished? I ...
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asking administrative permissions for remote console session while logging

Errot:to log on to this remote console session you must have administrative permissions on this computer. this error in specific Redhat system. from other systems its working.
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How to reset the Password for Web UI of Bacula

My colleague is on vacation and I need to configure bacula but I don't know the password for user. So I need to reset the password for user. What is the way to reset the password?
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66 views

Installing latest wireshark impossible?

It looks like installing a later version of wireshark is near impossible on redhat 6. I've searched the web extensively and can't find any questions where someone has said their issue was resolved. ...
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Any concerns with using high UID numbers (3000+) on RHEL5+?

The legacy systems has UID numbers up until the low 2000s. In implementing a new user management system, I am looking into options to avoid UID collisions. One option is to just have a list of UIDs ...
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42 views

why redhat repository still offers 2-years old boost?

I"ve installed RHEL 7.1 which was just released (several weeks ago). I wonder that it still offers boost 1.53 which was released more than 2 years ago http://www.boost.org/users/history/ yum list | ...
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5 views

XFS increase size

How to increase data size at the expense of the other disk. xfs_growfs without param [from,to] increase. /dev/sda8 45695376 36341884 9353492 80% /data Disk /dev/sda: 128 GB Disk /dev/sdb: ...
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29 views

Analyzing logs offsite, with a different computer

I have a computer deployed with no internet access. I have small windows in which to copy the log directory to a USB stick and analyze offsite. If I pull the logs off of a CentOS / RHEL system ...
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37 views

32-bit package from a repo that should only contain the 64 bit packages

Trying to a do install of some packages and it seems that it is trying to pull a 32-bit package from a 64-bit repo. Installing for dependencies: cyrus-sasl-lib i686 ...
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21 views

createrepo fails with headerRead failed message

I execute createrepo -v --update epel-dir/ and at package number 14173, the process fails with a Python stack trace complaining that: headerRead failed: Header sanity check: OK So, I thought ...
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21 views

Conflicting answers regarding package from rpm, yum and repoquery

I have a few packages on a RHEL 6.5 system which exhibit the following puzzling behavior: The package is installed; rpm -q reports the package as installed; yum search shows that the package is ...
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RHEL 7 - how to make minimal install but with GUI?

I'm using RHEL 7.1. So far I was always installing "Server with GUI". I'm using my server for HFT trading so I think "Minimal install" is much more suitable for me. I don't need a lot - only ssh, ...
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Connection issues with KVM on RHEL6.5 to Licence Server

I currently have a RedHat 6.5 kvm running under a RedHat 6.5 host. I am attempting to make a connection to a Rational Apex licence server on the local network, however the connection times out before ...
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30 views

What are gpg-pubkey* packages?

I compared the packages list reported by RPM and YUM on a CentOS 6 and 7. I noticed the lists were slightly different (same issue with RHEL). See Listing installed packages with yum and rpm mismatch ...
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23 views

How to resolve issue of misconfigured vnc server on centos 7

While configuring vncserver in centos 7,the < USER >field in the vnc file gave me quite a bit of thoughts.whether it was to be replaced with the login name for accessing the ssh or some other ...
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31 views

Is it possible to convert RHEL to CentOS?

The software vendor that we used has always specified that we should load RHEL on servers we've bought to run their software however they did start to accept CentOS and even now prefer it on new ...
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34 views

Parallelise rsync using GNU Parallel

I have been using a rsync script to synchronize data at one host with the data at another host. The data has numerous small-sized files that contribute to almost 1.2TB. In order to sync those files, ...
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Directory Server doing lookups on one ldap server and authintication on another ldap server

I have an old Centos Directory Server and a new 389 Directory Server. I don't want to use sssd at the moment so lets keep that suggestion off the table. I do the following my RHEL 6.4 servers: ...
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links are always NO-CARRIER, but expected to work

At some point I start receiving "NO-CARRIER" error message. What does it mean and how can I fix it? My links are "physically up" - green lights are blinking. On the opposite side link is up, but no ...
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26 views

Is there a way for a webpage to know that the system hosting it is shutting down and report that on a page?

I'm working on a web front-end for a server that runs Red Hat. In the web interface, the user can tell the server to shut down. I want to make it so when the system is in the process of shutting down, ...
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28 views

Installing python library matplotlib on RedHat for second python installation

I can't seem to find documentation on this. Matplotlib says to run: sudo yum install python-matplotlib which installs all the dependancies and this version of matplotlib successfully: ...
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1answer
24 views

Redhat 7 DNS Bind Failed to restart

I am getting Error while Restarting the Named.service in Red-hat 7 Here is my Lab Status and all the Command. Configure DNS in REDHAT 7 DNS Name p1.linux.com IP address 192.168.1.1/24 N/W ID ...
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26 views

how to find which repo does one rpm package belong to

How to know which repo does one rpm package belong to? I searched the yum manual, and I didn't find the option. And it is useless to use yum list installed.
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What are the correct permissions for a non-root user in Red Hat 7?

I imported a pre-made Oracle Developer VM, from Oracle, into VirtualBox and the oracle user (which is not root), can't do anything without using sudo, for the most part. For example, any file I want ...
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How do I make something launch graphically as root without going to the command line and running sudo?

I can't save anything because of a Permission Denied error. Do I have to use sudo before I run any program, like sudo gedit? I can run Eclipse as root, but I am trying to see what the correct way to ...
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47 views

How to enable systemd user sessions for remote logins on CentOS 7?

I am trying to enable systemd user sessions on my CentOS 7 server. All the pieces seem to be there, and I have also run loginctl enable-linger <user>, but I don't have a systemd user session (or ...
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Can I capture reboot errors on a system that lives in memory?

I have a machine that will intermittently experience boot issues and the system will hang and won't come up. I would normally go to check dmesg, but the problem is the system lives in memory and gets ...
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Help filtering logs - auditd

System: RHEL release 6.3 (santiago) Issue: Once I start the audit service I'm starting to get thousands of logs in /var/log/audit/audit.log Most of the logs received are of - sshd Log sample: ...
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Red Hat Enterprise Linux 6.5 remounts root filesystem read-only after hibernating

I have a Lenovo ThinkPad T430 running Red Hat Enterprise Linux 6.5, kernel 2.6.32-431.30.1.el6.x86_64, and my filesystem structure consists of a master LUKS partition holding two logical volumes, one ...
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network.service - after executing “telinit” network interfaces doesn't start

When I start RHEL 7 everything is fine, my network functions, I can ping other PC's etc: [root@localhost]# service network status Configured devices: lo eno1 enp2s0f0Team enp2s0f1Team team0 team0.300 ...
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RHEL 5 box constantly displaying NIC statistics on console screen, how can I disable this?

I have a RHEL 5 box that is constantly displaying nic statistics on the console screen when using the KVM. This makes it very hard to do any troubleshooting when the box goes down as these statistics ...
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recommended storage location for multiple users [duplicate]

Is there a conventional location to store non-secret bulk files that can be accessible by multiple users? I know that I can create a new folder (and set the right permissions) in most places in the ...
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55 views

Unable To Bridge Two Teamed Interfaces - Advice?

Before the wall of code I'll explain the situation. I'm trying to set up two interfaces to be teamed together, and from that team create a bridge. I've been studying for the RHCE and I believe this ...
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58 views

How to open server port on RHEL 6.6?

I am trying to open a port (tcp 27017) for access to mongodb on a newly created RHEL 6.6 instance at Amazon AWS. Following mongo docs, I did: sudo semanage port -a -t mongod_port_t -p tcp 27017 I ...
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Strange hang while attempting mounting LVM2 in recovery mode

I am running a RHEL 7 vm and I am trying to mount an LVM disk in recovery mode. I can see the disk with fdisk -l. lvscan shows it being active. When I try to mount the disk to the system I see the ...
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undefined symbol inflateEnd while using ssh

I am getting an error while doing ssh from one Linux server to another. Both are running on RHEL 6.2. server1$ ssh server2 ssh: symbol lookup error: ssh: undefined symbol: inflateEnd How to resolve ...
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FreeRadius : Logs not being generated in radacct directory

I have installed and configured freeradius on Red Hat Enterprise Linux 6.5 as per this guide. I have found that, everything is working fine, but no logs are generated in the /var/log/radius/radacct ...
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converting teaming to bonding

RHEL 7 contains bond2team tool but it doesn't contains opposite team2bond tool. I need to convert my teaming files to bonding (please don't ask why, this is for testing purposes). This is my teaming ...
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What is the first event/file/log in linux that appears/changes on boot that signalizes network being up?

I have a vSphere farm with virtual machines and python script that handles cloning and managing of those VMs. I also have a machine (RedHat 6) that I clone if I need a new one. It has a script that ...
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How do I install some required libraries for a program without sudo?

I am trying to run a program on a computer running Red Hat 6.5. This results in the three following errors: "/lib64/libc.so.6: version `GLIBC_2.14' not found" "/usr/lib64/libstdc++.so.6: version ...
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15 views

How nginx receives requests from client and forwards it to the actual server?

I have installed nginx on RHEL and now I need to configure it to forward the requests to the actual server in the /etc/nginx/nginx.conf. My actual server is using a private IP address, will nginx ...
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How to add shared Printer on Redhat

One of the customer requested to enabled Printer Sharing between Redhat Linux Server and the Printer which is shared on one the Windwos 7 Machine. The path they provided is ...