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

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after power outage no permissions to access samba share from windows machines on the same domain

I am running a ClearCase server on RHEL 6.7. We had a power outage last night (for the life of me I do not know why we don't have damn UPS). At any rate, when the machine was brought back up, we are ...
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27 views

IP aliasing in Linux

The correct way to assign multiple ip addresses to one LAN card/NIC is ip aliasing such as eth-0:0 and eth-0:1. You would go and create separate network-scripts for each alias and assign a different ...
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0answers
281 views

Redhat error while loading shared libraries: libkeyutils.so.1: cannot open shared object file: Permission denied

I just installed and am trying to start rpcbind on my redhat 7 machine. I'm new to linux so I'm having some trouble figuring out what to do next. I'm running all of these commands as the root user. ...
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1answer
39 views

Java problem - RHEL

I have RHEL in a test environment and I wanted to install a program that initiates a script that mandates java. The script tests for Java binaries folder. I tried first to choose the java/bin ...
0
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3answers
57 views

What is the opposite of yum provides?

yum provides <command> tells you what package provides, for instance, /usr/bin/python. But how do I find out what commands are provided by a certain package?
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1answer
34 views

Steps to make a new repository work?

On RHEL7 once I had to create a new repository config file /etc/yum.repos.d/foo.repo to fetch packages from a remote server: [foo] name=Foo Repo baseurl=http://10.2.3.4/path/ enabled=1 gpgcheck=0 ...
1
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2answers
212 views

Centos 7 - ssh-keygen is not generating keys

sshd service doesn't start due to missing keys. When I try to generate the keys using ssh-keygen -t dsa I just get message saying: Generating public/private dsa key pair. I don't get prompt to ...
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0answers
185 views

RHEL 7 Still CPU Frequency Scaling

When machine is imaged with: RHEL6.x CPU speeds report full 3.3Ghz speed for all CPUs cpupowerutils is not installed RHEL7.x CPU speeds vary (shown in example below) cpupowerutils is installed ...
3
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2answers
190 views

dnf - how to show which mirror url has been chosen?

Below is the part of bash log, the full log can be achieved at https://gist.github.com/limkokhole/f2a423112aa005f10862: [xiaobai@xiaobai hello]$ dnf --verbose download --source readline cachedir: ...
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1answer
17 views

List connected clients to an iscsi target

Is there any way to list the connected clients to an ISCSI target from another client. While sitting on the target itself , it may be easier to see which clients have mounted a particular target , ...
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0answers
28 views

Identifying disk drives during RHEL/CentOS/Fedora Installation

What steps are followed in order to identify a connected disk drive during Linux installation ? I am interested RHEL/CentOS/Fedora procedures. Is it entirely depends on the Kernel package and drivers ...
2
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3answers
360 views

Why does a yum package update replaces my yum-cron config files?

Usually, when applying package updates via yum update, rpm is 'intelligent' enough to respect my changes to configuration files under /etc. (It basically looks at the mtime, compares it and depending ...
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0answers
17 views

Remove the hostname in the title bar when running a GUI over X

From a RHEL machine, I'm connecting to another using the following: ssh -X user@remotemachine I then run a GUI application. In the title bar of each window, the hostname is displayed. eg. ...
0
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1answer
27 views

Logged into RHEL 6 and profile settings are missing

I know there's not much detail I'll be able to provide, but if the info below could give you a hint of what is going on, please help. A colleague was sharing screen with me yesterday, using RHEL's ...
0
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2answers
88 views

How to install/update only a particular package in Fedora from a repo?

Recently I added an unofficial 3rd party repo to my Fedora 23 install. Basically I am interested in the simplescreenrecorder package that this repo provides since it is not available in the official ...
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0answers
52 views

problem while using “ yum groups ”

When i am trying to use yum groups commands in RHEL 7 it is giving me following output. #yum groups list There is no installed groups file. Maybe run: yum groups mark convert (see man yum) I have ...
1
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1answer
259 views

Install VLC on Red Hat Enterprise Linux 7.2

I want to install VLC Media Player on Red Hat Enterprise Linux 7.2. My system is subscribed to the Red Hat Network. I am following these steps and have run into dependency issues. I downloaded ...
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3answers
56 views

Mounted dir disappears after restart

I ran this command on RHEL 6.3: # mount /dev/cdrom /mnt Everything is okay, but after a restart the mounted dir, /mnt disappears... I don't know where is it going.
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1answer
136 views

libmad - gcc: error: unrecognized command line option '-fforce-mem'

I am in the process of compiling VLC from source on Red Hat Enterprise Linux 7. When configuring VLC I get a message that states that I need 'libmad'. Downloaded the 'libmad' source code from ...
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0answers
84 views

Memory Leak trackdown

I have a server running Red Hat Enterprise Linux Server release 6.7. The server runs a number of java processes including a tomcat server with nginx webserver. The server has 12 GB of ram allocated ...
1
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2answers
217 views

Is /etc/sysconfig/static-routes a deprecated method for adding persistent routes?

RHEL 5.x I'm comfortable with adding static routes via /etc/sysconfig/static-routes. When I was reviewing Red Hat documentation though, I didn't see this mentioned. Instead, the recommendation was ...
0
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1answer
93 views

Changing local from en_US.utf8 to en_US in RHEL 7

I'm installing "Red Hat Enterprise Linux 7.2 (Linux version 3.10.0-327.el7.x86_64 (mockbuild@x86-034.build.eng.bos.redhat.com) (gcc version 4.8.3 20140911 (Red Hat 4.8.3-9) (GCC) ) #1 SMP Thu Oct 29 ...
2
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1answer
165 views

Renaming Red Hat Enterprise Linux Network Interfaces

I have a virtual machine on vmware ESXi 6.0 running Red Hat Enterprise Linux 7.2. I have two network interfaces that I want to be named "eth0" and "eth1" respectively. They were originally named with ...
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10 views

Is there a way to bypass a specific service from initializing while it's “hanging” during boot?

RHEL 5.x I had a network issue that was preventing ntpd from being able to reach a remote time server pool. This ended up prolonging system startup to "hang" at: Starting sshd: ...
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34 views

Red Hat / Toughbook ATI Driver Issue

We received some new Panasonic Toughbook CF-54 laptops here at my office that have ATI dedicated graphics as well as an integrated Intel chip and I can't get the proprietary ATI drivers to work for ...
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1answer
49 views

How to track who added sudo privilege to a user

I have a LDAP user named "ciadmin" created on the Red Hat based system without sudo privlidges. Somehow this user now has sudo privileges and can basically become root on the system. I want to track ...
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2answers
72 views

How to find and install the GNU Smalltalk on CentOS or Fedora / RedHat?

On GNU Smalltalk's webpage, it says: Binary distributions We do not provide pre-compiled binaries for GNU Smalltalk. However, most GNU/Linux distributions (Ubuntu, Debian, Fedora) ...
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0answers
17 views

Devices for Analog I/O gone from /dev after reboot

I have a system using Centos 6.6 and another system using RHEL 6.6 on the same architecture that both need analog I/O drivers to communicate with sensors that will be attached to the device. Thus, I ...
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0answers
23 views

Connecting a Redhat virtual machine to the host NIC that uses network bonds

I'm running Redhat 6.6 on severs with multiple interfaces. And I am successfully using network bonds on the interfaces to connect with the different VLANs on the existing network. The servers are ...
3
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3answers
162 views

I need to take the output of command and make it the name of a file using a script [duplicate]

I am working on a way to integrate our Linux machines into our SCCM Reports. One of the things we would like to do is verify the swap size on the machines. I know that I can get the swap amount on ...
0
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1answer
54 views

Restrict 'yum update' to partial version number

I'd like to restrict yum update such that it will only apply minor version upgrades to certain packages and will ignore major updates. For example: if I have puppet-3.8.3-1.el7.noarch installed, I'm ...
0
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1answer
60 views

Writing to terminals of other users

I know that you can use write or wall to write to users but you can't use these to send sl. I tried sending it through /dev/pts/* but that is strictly controlled, so that only the owner and tty are ...
0
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1answer
42 views

Run concurrent static and DHCP network connections in CentOS 7

I've been trying to set up a VM for study purposes that can share some iSCSI resources on a private network with the IP 10.0.2.10/8. However, I also want to be able to concurrently use the same VM to ...
4
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0answers
184 views

Ethernet bonding round-robin not work when 1st interface down

I'm trying to understand the bonding mode=0 (load balancing round-robin). Using eth0 & eth1, I created bond0 interface as the configuration below : root@test-env1:~# cat ...
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0answers
42 views

Where are macvtap settings on rhel 7

I am creating a virtual machine in KVM on Red Hat Enterprise Linux 7. I have created two bridges and connected two interfaces which are on the physical hardware to the bridges. How can I use these ...
0
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1answer
243 views

NFS mounts in fstab are not mounted during startup on RHEL

I have run into a problem with auto mounting nfs exports on a RHEL 6 server. To give you a brief configuration and what I have tried, I’m mounting 6 NFS exported shares from the network. Unfortunately ...
0
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1answer
226 views

Unable to resolve hostname for Redhat Linux server

I've setup a Linux RedHat server and would like to use it by referring to its hostname instead of the static IP. eg. ssh admin@myhostname.blah.di.blah, instead of ssh admin@XX.XXX.XX.XXX but I get a ...
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0answers
79 views

Openssl installation in RHEL 6.2

I had openssl 1.0.0-fips in my RHEL 6.2 box. I tried to upgrade it with openssl-1.0.2e. It got installed successfully. However when I try openssl version I still get the old version. Further I see ...
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40 views

Restart service after boot then enable networking ordering

Problem: Server application when first started upon boot has memory leak. When service is restarted, it will then run without issue. Temporary solution is to: AFTER the OS has completed booting, ...
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0answers
20 views

Virtualbox Guest Additions packages?

As I move to look at virtualbox for the small/medium business where I've used vmware previously, I'm interested in a proper kickstart for my RHEL5/6/7 hosts. I'm used to using proper vmware guest ...
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0answers
16 views

Sudo access without any password prompt [duplicate]

I have set up sudoers.d file unix as below:-- User_Alias OOZIEUSERS1 = user1, user2 Runas_Alias APP1 = oozie Cmnd_Alias SU_APP1 = /bin/su - oozie OOZIEUSERS1 ALL = (root) SU_APP1 ...
0
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1answer
273 views

Failed to open the bootstrap file in MySQL

After doing an installation of MySQL Ver. 5.7.10 for RH/Oracle Linux I get an error that during the initialization the bootstrap file was not found. I'm not sure where this may come from, as it is a ...
0
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1answer
123 views

yum install rpm but keep old version

I have two rpm files, each containing a different version of the Java SDK. I want to install both, so I installed one, then the other, but when I installed the newest one, it overwrote the older one: ...
0
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0answers
26 views

install redhat 6 without formating multipath disks

I've server RHEL 5 with multipath storage attached to it the OS is installed on local disks now I need to remove rhel 5 and install rhel 6 I perform fresh installation when i do this it shows me all ...
2
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2answers
39 views

Reference manuals for network configuration on Fedora/CentOS/RHEL?

Every time I need to configure a network interface on Fedora/CentOS/RHEL I need to access its online documentation to check which configs and values I should use in the ...
0
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2answers
34 views

How to find out contention

I'm looking for an easy tool, to graphically show the amount of resources being used realtime. Something like htop but with disk IO, memory and network usage as well. I tried ganglia and the fact ...
0
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1answer
1k views

libssl.so.0.9.8: cannot open shared object file: No such file or directory

When attempting to run Cloud9 IDE locally after its installation I receive this error: # bin/cloud9.sh Linux 64 bit support/node-builds-v4/node-linux64: error while loading shared libraries: ...
0
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1answer
561 views

Error inserting module: Device or resource busy

When running modprobe to insert a module into kerner I get the following: # modprobe 8192cu FATAL: Error inserting 8192cu ...
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2answers
138 views

Setting up a WLAN usb stick

I'm trying to make the WLAN USB stick connect to a wireless network. There was an official Linux driver available for download (v4.0.2_9000.20130911, which supports my Linux kernel version) and I ...
2
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1answer
182 views

libssh2.so.1.0.1 conflict in libssh2 install

I'm trying to install ssh2 for PHP in RHEL. But it required libssh2-1.4.2-2.el6.x86_64.rpm and libssh2-devel-1.4.2-2.el6.x86_64.rpm. So I downloaded and tried to install, I got below errors # rpm ...