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

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awk + how to manipulate awk output

The following awk command prints the results from services file # awk '{print $2}' /etc/services 48002/tcp 48002/udp 48003/tcp How can I manipulate the output so it prints the "service file" ...
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20 views

RedHat:how to make system read /etc/sysconfig/clock settings without restarting system

In legacy red hat enterprise linux system which do not provide hwclock, I am changing UTC value in /etc/sysconfig/clock and when I check in /etc/adjtime this value is not reflected with expected ...
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45 views

Run sh script at system startup - Red Hat 7.2

I searched the Internet but there are too much different opinions about this issue. I have two scripts to run. One to run at system startup (not at system reboot as I read in some posts) and another ...
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14 views

RHEL 7 Install - Main partition taking up entire allotted space + other problems

I hope this is the proper place to ask RHEL questions, I have already asked on the RHEL discussions area and have not gotten any replies after a week of posting. I am having a few problems in setting ...
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11 views

add 10G fiber NIC however not able to see it go to up state

I have added a 10G Intel PCIe card to my Linux machine. I have connected both sides of the cable and the remote side comes up when I plug the cable into my linux machine and goes down when I remove ...
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12 views

redhat + how to find the oracle JRE version 1.7 from redhat site

I am searching the JRE 1.7.x version from red-hat site by yum command bot not find anything yum list | grep java | grep "1.7" | grep -i jre no such patch or maybe redhat not hold JRE 1,7 ...
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17 views

Creating an user to access a specific director with just exec permission in Redhat

I am trying to create an user that I can access an specific folder and give this user just the execute access to a .sh script into REDHAT So I've created the user and set that user to the folder but ...
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15 views

Oracle 11g installation - unable to open display error (red hat 7)

I'm installing Oracle 11.2 client in a Red Hat 7 machine but I'm stucked in this step: xhost fully_qualified_remote_host_name The error that appears is the following: unable to open display ":0.0" ...
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18 views

Error during RHEL 7 installation

I am trying to install RHEL 7 on ThinkPad Edge E431 which has a touch screen. I get an error: in hid_mutitouch ....fault : -1 And the system is goes into an emergency mode. How can I complete ...
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15 views

Identifying cumulative patch version in Jboss

We are trying to identify the patch level that is applied to our Jboss servers. For Jboss 4, the information is available in boot.log as follows 09:44:51,674 INFO [Server] Release ID: JBoss [EAP] ...
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22 views

Ubuntu trusty format disk slower than RHEL7?

I observed that disk formatting is much slower in Ubuntu than in RHEL7. Does anybody know why that is? EDIT: Forgot to mention, I'm formatting the disk with ext4. Using mke2fs
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53 views

Can't change the root password from single user mode

I have redhat 6.x version I am trying to change the passwd from single user mode but I get the following passwd root changing password for user root passwd: permission denied then I try to ...
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25 views

redhat + never get the passwd prompt when login

after Linux installation version 6.x we boot the machine and when we type on login prompt the login word the login prompt return again, and again after we type the login name so we never get the ...
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20 views

sudo not working on two systems, but runs on remainder of the networked systems

This question is about sudo implementation and I was unable to find a similar question here in the forums. I'm running Redhat 6.6 on my network of 14 servers and 8 workstations. On the primary NIS ...
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32 views

how to Increase VM disk without reboot on Linux redhat 6.x + LVM

I increased the second disk in VM machine from the VSphere client GUI as the following: By right click on the machine --> edit settings --> hard disk2 --> increase the disk from 1G to 2G Then I ...
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46 views

How do I use php-fpm on RHEL 7.2?

I've already asked this on Stack Overflow but received no response, so I'm trying my luck here. I'm new to configuring Apache and I'm trying to optimize my Apache server. Reading through the ...
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27 views

Installing Plone 5-on-RHEL 7-fails-unable-to-find-libssl-or-openssl-ssl-h

sudo ./install.sh --target=/home/admin/Plone --build-python zeo Error: Unable to find libssl or openssl/ssl.h. libssl and its development headers are required for Plone. Please install your ...
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17 views

Windows getting lost behind a full screen Java application when moving mouse cursor to opposite monitor

I'm running RHEL 6.4 and I have a full screen Java application which consists of a JFrame without any window decorations that matches the resolution of the monitor. I'm also running a bare Linux ...
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24 views

no MariaDB logs in journalctl

With jounralctl I see no logs for MariaDB, but for puppet every run. # journalctl -u mariadb -- Logs begin at Mon 2016-02-29 06:26:34 CET, end at Mon 2016-04-04 18:23:00 CEST. -- # systemctl status ...
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47 views

Change from Single Path to Multipath?

I'm using RHEL 6 and have a number of production VMs which have two local disks (/dev/sda & /dev/sdb) as well as several multipath LUNs attached via vCenter as Mapped Raw LUNs. Unfortunately ...
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37 views

OpenSSL installation is missing the X509_VERIFY_PARAM function

I am trying to install clamav 0.99.1 on RedHat 7.3. My OpenSSL version is 1.0.1. I am using the below command to install clamav: ./configure --prefix=/usr --with-user=defang --with-group=defang ...
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29 views

RHEL reallocating space

I am new to RHEL 6 and I seem to be at 99% on my /usr: $ df -h Filesystem Size Used Avail Use% Mounted on /dev/mapper/rootvg-root 3.9G 2.0G 1.7G 55% / tmpfs ...
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11 views

CPU frequency stuck at minimum on Red Hat Enterprise Linux 6.7, GNOME2 panel applet won't change it, cpufreq-selector hangs

I am running a remix of Red Hat Enterprise Linux 6.7 maintained by my company's IT department on a ThinkPad T430. Every now and then, my CPU will remain stuck at minimum speed and as a result my ...
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13 views

RHEL Jenkins email notifications failing

RHEL Server release 6.7 (Santiago) I know there have been multiple questions about this on SO (none of which have helped me solve my problem), but I think my problem pertains to Linux more so than it ...
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25 views

Mount network share at user logon Red Hat

I'm looking to mount a network share on Red Hat at the time the user logs on with their credentials. The user authenticates through LDAP using Kerberos and we have a network share that holds their ...
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15 views

Error 256 in OS install disc image

I have created a yum repository by the OS install disc image trick because I have no subscription. But when I try to install any package using yum, I get the 256 error (there is no mirrors to try).
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29 views

Red Hat to Debian timezone and time adjust setup

When migrating timezone and time adjust setup from a Red Hat to another Red Hat, I only needed to copy /etc/localtime and /etc/adjtime and it solved the issue. Migration worked perfectly. The problem ...
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23 views

What does “mediaid” do in yum repo definition?

I'm performing an offline upgrade of rhel 6.5 to 6.7 using downloaded iso. https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/5/html/Deployment_Guide/s1-yum-upgrade-system.html ...
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69 views

Unable to su to any user as root on Red Hat 6.7 server

System: Red Hat Enterprise Linux Server release 6.7 (Santiago) I am trying to su to kms user(OS user) as root but i keep getting error saying You are required to change your LDAP password ...
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52 views

Linux Packet Drops Increasing Over Time

I have Linux machine red-hat version 7.1 ( VM machine ) I see that dropped value increase every second!!! Please advice how to find the problem , and if red-hat 7.1 need some patch update in order ...
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142 views

yum install net-snmp-utils -> No package available

I want to install SNMP packages (snmpget, snmpwalk etc.) on RHEL 6 but I receive "No package available" error: [root@RHEL-9220 ~]# yum -y install net-snmp net-snmp-utils Loaded plugins: aliases, ...
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21 views

RH : Unable to change permissions on a mounted FS

I've got a mounted CIFS share on a Red Hat folder where I can't change the permissions. I have some others shares where everything is working fine but for this one, I can't change the permissions. ...
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7 views

How to permanently set a password for ipaserver client accounts

I want to setup a password for RHEL/Centos ipaserver client accounts but it seems I have to keep manually resting it on the ipaserver host. Is there a way to persistently set it?
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31 views

failure at starting on postgresql

I installed a postgresql database on Redhat 7.1 and I decided to move the database on a ISCSI device (LUN) inside a logical volume, mounted at starting of the machine (xfs formatted). The mounting ...
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36 views

Downgrade libxml2 on RedHat 6.7

In this case we have two servers with different version of RedHat: 6.6 and 6.7. The libxml2 version is: [root@Redhat_6.6 ~]$ rpm -qa |grep -i libxml libxml2-python-2.7.6-17.el6_6.1.x86_64 ...
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34 views

Linux login me in bash with message of unavailable resources

I'm kinda new in Unix and I face this issue for first time. So I logged in one linux box today and I got this message -bash: fork: Resource temporarily unavailable -bash-2.05b# As I understand ...
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12 views

Google map api and rhel proxy server

I have a RHEL virtual server that connects to our corporate environment via a proxy server. Using a Google Map API from my desktop, which sits within the corporate environment, retrieves data ...
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30 views

Command Samba Mount with Multiple Users

Samba share from server is mounted on my RHEL 7 system via root user. RHEL 7 system have a few non-root users(e.g user1,user2 and so on). Users (user1 and user2) can create, modify and delete the ...
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20 views

How can I gracefully power down an old PCI system

I have an old PCI server with that has three RHEL 6.5 segments, and I have yet to find a way to power the system down properly. I tried both halt and poweroff and they bring the entire system down. I ...
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32 views

Service in RHEL server stops working after a while

I have a RHEL 6 server running with several services (I mean, I have made the server scripts and the programs they run). I have a problem with two of them. I will try to explain the problem and then ...
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30 views

Cannot start Acronis MMS server

I have a problem with my Acronis on my linux When a try to start ./acronis_mms start Starting Acronis MMS: [ OK ] but when I want verify if this service ...
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105 views

Is there a way to use epel and local yum together

I am using RHEL7. If I do a fresh install of RHEL7(with connected internet) and then installing epel rpm. All the packages are getting installed after that. But then few packages have dependencies ...
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13 views

Rsyslog not creating dynamic directories

I have Red Hat Enterprise Linux Server release 6.5 running rsyslogd 5.8.10 I'm trying to collect logs from a remote client (VM1) and I have the following line configured if $inputname == 'imudp' ...
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31 views

localize banner message on login screen in gdm 3.8 and above

I am using dconf db to set the banner message as follows: Create a gdm keyfile for machine-wide settings in /etc/dconf/db/gdm.d/01-banner-message: [org/gnome/login-screen] banner-message-enable=true ...
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84 views

How do I mount a USB external hard drive in RHEL rescue mode

I had a boot failure on a RHEL 6.2 machine and I can now only start it in rescue mode with the recovery CD. I would like to move all the data to an external USB-mounted drive but I am having problems. ...
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20 views

rhel 6.x rebuild - reuse the same license files

I was wondering if it is possible to reuse the same files for reregistering a server after reinstallation. The hostname will be exactly the same: Is there any way to do that by using ...
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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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249 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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8 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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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. ...