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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1answer
2k views

RHEL 6.4: Openssl 1.0.0-27 libcrypto and libssl missing

I am trying to install znc IRC bouncer, which needs openssl libraries: Error: Package: znc-1.4-1.el6.x86_64 (epel) Requires: libcrypto.so.10(libcrypto.so.10)(64bit) Error: Package: ...
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17 views

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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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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32 views

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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11k views

How to add an item to the Applications menu?

How can I add an application to Applications > Internet in Gnome Desktop running on CentOS 6.4? Per this old Docs link, it suggests to edit /etc/xdg/menus/applications.menu. How can I add ...
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27 views

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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28 views

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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1k views

How To Locate Dependencies Needed by RPM Packages

I am trying to deal with keeping our RHEL 5 server patched up, but also dealing with our security constraints. This particular server is not allowed to talk to the Internet. So yum isn't really an ...
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1answer
1k views

How do I resolve the url timeout error when running a yum command?

I'm trying to upgrade SVN 1.6 to 1.8. When I run the commands: yum install mod_dav_svn subversion I get the following error (after a short pause): ...
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1answer
540 views

Installation of QEMU, GCC for ARM in RHEL

We are setting up a lab which has the QEMU system to emulate an ARM processor and run assembly programs. The lab is currently setup with the host operating system as Ubuntu. We are migrating the lab ...
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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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1answer
4k views

NFS Mounting Error

From ServerA I shared directory /u001/app/oracle/FolderA and trying to mount this on SeverB under /media Contents of ServerA /etc/exports file /u001/app/oracle/FolderA ServerB(rw,sync) When I ...
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19 views

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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11 views

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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605 views

How can I make the eth1 up and always available for remote access, where eth0 will be used for host to host IPSec VPN?

I am running Amazon EC2 instance with Red hat enterprise linux, where I have two network interface. Now: eth0 is currently active having public ip where I am remotely logged in via SSH, to ...
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2answers
36 views

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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1answer
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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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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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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1answer
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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1answer
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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13k views

With SSH X11 forwarding (`ssh -X`), get `Can't open display` trying to run X applications

I'm able to login to sever using ssh -X Hostip but when i run the command xclock it give me this error Error: Can't open display: localhost:11.0 I check my Display value using echo $DISPLAY ...
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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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1answer
534 views

how to have root partition LVM for RHEL 5.8 64 bit on AWS EC2

I am new to this and I have to create a RHEL 5.8 Amazon Machine Image (AMI) in which the root partition should be a logical volume. I know how to create a data partition as a logical volume but am not ...
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1answer
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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440 views

Should reposync download repodata?

I am using reposync on an RHN repo. It downloads the RPMs find but doesn't download repodata. I know I can run createrepo, but I'd like to keep group install info. Is this nornmal behavior? If so, ...
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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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How to merge config files interactively after “yum update”

After system packages are updated with "yum update", config files which could not be overwritten are not replaced, but we can find *.rpmnew files near by. By design system administrator must merge ...
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1answer
881 views

The equivalent of start-stop-daemon for RedHat 6

I have an upstart script to create a service in RedHat 6: env PLAY_BINARY=/usr/bin/play env HOME=/opt/warda env USER=root env GROUP=root [...] script exec start-stop-daemon --start --exec ...
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2answers
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Do mpstat and iostat come standard with Linux RHEL 5.8?

Do command line utilities like mpstat and iostat come standard with the RHEL 5.8 machine? Or are they optional utilities which the user has to install manually, if required? I could find these ...
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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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2answers
27k views

CentOS - install using yum Apache 2.4

I need Apache 2.4 in CentOS because with Apache 2.2 mod_proxy_wstunnel is not possible. I have tried https://fedorahosted.org/SoftwareCollections/ but unfortunately its for RHEL after installing i ...
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1answer
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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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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3answers
83 views

Building a Read-Only Linux System With a Writable Layer in RAM

I have a requirement to boot RHEL 6.6/7.0 into read-only mode with a writable layer only in RAM. I believe this is similar to how live CDs work, in that the file system is read-only, but certain parts ...
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1answer
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
18 views

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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2answers
3k views

When exactly does tmpwatch clear out files I place in /tmp?

CentOS 6.x I'm confused on when exactly files I place in /tmp/ are deleted. /etc/cron.daily/tmpwatch has the following: #! /bin/sh flags=-umc /usr/sbin/tmpwatch "$flags" -x /tmp/.X11-unix -x ...
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1answer
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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1answer
538 views

How do I resolve an error when booting, “Couldn't find device with UUID…”

I have a RHEL 6 system, running on a VMWare machine. The admin of the VM server added a second RAID volume to the server, which my RHEL system does not use. Now, when I boot the RHEL system, I get a ...
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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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6k views

List all RPM packages installed from repo “X”

How can I get a list of all of the RPM packages that have been installed on my system from a particular repo (e.g., "epel")?
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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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1answer
984 views

Install RHEL 5.7S on machine with 4TB disks

I'm getting errors about GPT when installing OS using kickstart. The Dell R720 has 8x 600GB SAS. I can't figure out what to configure in BIOS and kickstart file. In BIOS, there're boot options of ...
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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 ...