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

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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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39 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 ...
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41 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 ...
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38 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 ...
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1answer
45 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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7 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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15 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
37 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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41 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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9 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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9 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 ...
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3answers
159 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 ...
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1answer
31 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 ...
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47 views

How do I add a Redis Cluster to a Pacemaker CentOS 7 Cluster?

I need to set up a CentOS 7 web server cluster that is able to manage user sessions while also load balancing across the nodes in the cluster. Towards this end, I have transcribed instructions from ...
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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 ...
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1answer
25 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 ...
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51 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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18 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 ...
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1answer
59 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 ...
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1answer
45 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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57 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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31 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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17 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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15 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 ...
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1answer
147 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 ...
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1answer
43 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: ...
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17 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 ...
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2answers
36 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 ...
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2answers
23 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 ...
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1answer
134 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: ...
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1answer
65 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
57 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 ...
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1answer
66 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 ...
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2answers
62 views

Isolate SSH Authentication Failures into Own Log File on RHEL 6.6

This may be impossible, but I've got a case where we want to log SSH authentication failures separately from standard SSH logging on a RHEL 6.6 box. I am aware we can use SyslogFacility with ...
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2answers
84 views

script for RHEL 6. (to check the status of CPU and send mail if CPU utilization more than 70%) [closed]

I am unable to make a script. Is there anyone who help me. Pls make a script for RHEL 6. * To check the CPU utilization if it goes more then 70% then we got a mail.
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1answer
39 views

rsyslogd HUPed repeatedly

Noticing that for a VM box, getting in the logs that rsyslogd process gets HUPed. Finding no ideas except a few post in some forums saying this is for logrorate. Any ideas how to fix/troubleshoot ...
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1answer
64 views

RedHat/CentOS 7.1: Change names of Gnome workspaces

RedHat/CentOS 7.1.1503; GNOME Shell 3.8.4 I name my workspaces after current projects I'm working on (for 1-4 weeks). How can I rename them from "1" "2"... to something like "Vienna" "Berlin"? In ...
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0answers
12 views

Is it possible to have an IPA user/group in both security limits and nproc limits

I am planning to deploy cassandra to a set of Red Hat 6.7 machines but there was an additional requirement to use IPA user for the cassandra user. For the cassandra user we usually do some ...
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0answers
75 views

NFS mounting options rsize and wsize can't be specified in /etc/fstab

As the Title, the options rsize and wsize can not be specified on Centos7(3.10.0-123.el7.x86_64) cat /etc/fstab: 192.168.11.1:/linux_nfs_share /mnt/nfs01 nfs ...
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1answer
31 views

Error setting certificate while doing 'git clone' in redhat

Error: % git clone --depth 1 http://github.com/junegunn/fzf.git ~/Downloads/fzf Initialized empty Git repository in ~/Downloads/fzf/.git/ error: error setting certificate verify locations: CAfile: ...
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1answer
44 views

HOWTO: Fix “Cannot parse sensitivity level in s0” error when attempting to start a KVM VM after a major OS upgrade

I have a Lenovo ThinkPad T430 running Red Hat Enterprise Linux 6.7 with kernel 2.6.32-573.8.1.el6.x86_64. This is a work computer, corporate policy states that I must keep my operating system up to ...
3
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1answer
142 views

Send Logs to multiple syslog servers

Previously we were using one Logging server. But now we have added one extra Logging server which will also be storing logs received from client . I need to know how to add these two Syslog servers on ...
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2answers
107 views

Compiling Octave 4 with OpenGL .. X11 configure script linking error

I want compile Octave 4 with OpenGL/GUI support but don't know which packages to install on RHEL/CentOS system. I only get warning: configure: WARNING: OpenGL libs (GL and GLU) not found -- disabling ...
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3answers
69 views

What does it mean a ! before the username field in /etc/passwd?

After doing some googling I could not find why in the /etc/passwd shows a ! at the beginning of the line. It looks like this: !user:x:0:0:user:/home/user:/bin/bash any ideas? my only guess is ...
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231 views

NFS servers and firewalld

I haven't found a slam-dunk document on this, so let's start one. On a CentOS 7.1 host, I have gone through the linuxconfig HOW-TO, including the firewall-cmd entries, and I have an exportable ...
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1answer
77 views

Which process/daemon replaces netplugd in Centos 7.1?

I'm moving a piece of software from Ubuntu 12.04 to Centos 7.1. Part of the original installation script runs dpkg -i netplug_1.2.9.1-2ubuntu1_amd64.deb. I can't install a ubuntu deb on Centos, nor ...
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1answer
178 views

LVM filesystem is full, cannot update system amongst other things

I am running a RHEL 7 server with a license from my university. I am running it on a bare metal server in a local place on my university. I originally installed RHEL 7 with LVM on my hard drive (there ...
0
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1answer
103 views

Unable to install mod_pagespeed on Apache 2.4

I have installed Apache 2.4 on the Red Hat Enterprise Linux Server release 6.7 (Santiago) by following these steps Step1 cd /etc/yum.repos.d/ wget ...
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2answers
42 views

Keeping CentOS up to date in a flexible way without giving out root credentials?

Title was "Running yum update && yum upgrade without root-privileges?" I want to allow an unprivileged user to start a system update on a RHEL-based system (CentOS 7). yum-cron is not an ...
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35 views

Only print filepath,without filename [duplicate]

The find command find /MOS -name "001.txt" The print /MOS/XNF/N01/001.txt My questions Which option could only print the filepath,without the filename ? The print /MOS/XNF/N01/