Red Hat Enterprise Linux (RHEL) is a Linux distribution from Red Hat intended for enterprise use.

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How to update git on RHEL without access to root?

I am trying to get my IDE set up at work for a project I am working on. I am coding in python and working in PyCharm because of its awesome git support. However, whenever I try to configure git on ...
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4 views

Can't Connect to External Monitor on RHEL6

I have rhel6 installed. I am using a W530 lenovo laptop. I am trying to connect to Lenovo LED monitor using VGA cable. I think I have the Nvidia driver installed but I when I plug in my VGA cable the ...
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10 views

Microsoft bluetooth mouse on RHEL6

I am using rhel6 and I have a bluetooth mouse from microsoft I am trying to pair it on my system but my system won't recognize it. I have followed up with some information which might help with the ...
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8 views

NSCD keeps randomly restarting without paranoia enabled

I've got a few Hypervisors on which the nscd process keeps randomly restarting. I don't know it's going on until monit emails me saying the process has a new pid. Unfortunately, the person that did ...
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21 views

How do I enable rsh in Oracle Linux 7?

I have two systems, a Solaris and an Oracle Linux. I can rsh from OL to Solaris but not from Solaris to OL. I can also ssh from both machines. I was reading this and I tried to create an rsh file in ...
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20 views

disabling password dictionary checks while keeping minimum length check in linux

In RHEL 7, password policies are controlled by pwquality.conf and pam_pwquality.so. I want to disable dictionary checking but keeping the minimum password length to 8 characters. If I remove ...
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1answer
39 views

Git Installation Returns Error 404 On RHEL

I am trying to install Git in my REHL but failed. I have also clean up metadata and everything else by running sudo yum clean metadata and sudo yum clean all but still, the error persists again and ...
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1answer
52 views

Mysterious logout

I'm on Linux, I'm using a Red Hat 6.6 workstation. Every now and then (usually once, sometimes twice a day) I get a user logout. Or something that looks like a user logout: the screen goes black for 1 ...
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53 views

request_module: runaway loop modprobe binfmt-0000

I'm running CentOS 7. Everything was working fine, until I had one pending update, which I accepted and rebooted. Now the system fails to boot and instead reports: request_module: runaway loop ...
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78 views

Connection tracking in Firewalld (CentOS 7)

I can't get vsftpd and firewalld to work together properly on CentOS 7 (without adding the passive range to the firewalld). Looks like firewalld ignores connection tracking (nf_conntrack_ftp is loaded ...
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26 views

httpd error reports ExecCGI is off

<VirtualHost *:80> ServerAdmin webmaster@xxxx.xxx.com DocumentRoot /var/www/html/xxxx ServerName xxxx.xxx.com ServerAlias xxxx www.xxxx.xxx.com RewriteEngine on ...
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1answer
48 views

VMware Workstation - Linux/gnome screen saver locking of guest and host

I've got some RHEL6 machines that run VMware Workstation 11 on them. The host and the guest are required to have a screensaver enable after 15min of inactivity that goes to a lock screen. My users ...
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2answers
2k views

Is it possible to enable / disable yum repository using dnf?

How to enable/disable yum repo (i.e. set enabled=0/1 in /etc/yum.repo.d/*.repo files) using dnf? According to question yum: enable a disabled repository yum can't do that. Used system: Fedora 21
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68 views

CentOS 7 will not allow SSH local tunneling for port 80

I am trying to tunnel the remote port 80 of my CentOS 7 Server to my local PC through putty. Nevertheless, I seem to be unable due to security restrictions. Is there a way to loosen them and to allow ...
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2answers
179 views

Ubuntu 14.04 LTS with Centos desktop look and feel?

I'd like to install an up-to-date Ubuntu distro (14.04 LTS) at home since it is much easier to get desktop applications; however, I'm using Centos 6 at work and I'm used to (and prefer) the desktop ...
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16 views

Two subnets, defaults to first and second left dead - RHEL 6.4

I currently have bonding configured on 4 Ethernet ports. 2 bonds on one subnet and the other on another subnet. Recently we went from 192.168.3.0/24 subnet to 172.20.0.0/24 subnet and now the 172 will ...
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0answers
15 views

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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1answer
21 views

How to check permissions in a zip on RHEL?

I have very little exposure to RHEL, and was quite surprised to find that unzip -l and unzip -lv do not include file permissions. I see that extracting files eventually restores the permissions, but I ...
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47 views

RHEL interface do not up with ipv4 and ipv6 address

Hi everyone On my server with rhel 6.6 I configured interfaces with two addresses: ipv4 and ipv6. When I make down that interface and then up. Interface up with only one address ipv4 as default. If I ...
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17 views

Iptables Port Forwarding To Different IPs Based on Port [duplicate]

On a CentOS 6 server with an IP address of 172.16.1.10, how can I configure iptables to route traffic destined for 172.16.1.10:80 to 192.168.1.10:80, and traffic destined for 172.16.1.10:8080 to ...
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52 views

How to enable the splash screen in RHEL 6.6?

How to show the splash screen while booting RHEL? There should be some method which reloads all kernels. The Basic grub.conf is normal, the rhgb option is enabled.
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1answer
760 views

failed to open stream too many open files - php 1024 maximum limit - Redhat - why isn't new limit working?

I've got this message while debugging a problem in a PHP program. I've already edited the /etc/security/limits.conf and added * hard nofile 500000 * soft nofile ...
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1answer
2k views

Redhat Linux /lib/libc.so.6: version `GLIBC_2.16' not found (required by /lib/libncurses.so.5)

I am running a server RHEL 6.4 which currently has GLIBC 2.12 installed on it. We are trying to run a program which gives this error /lib/libc.so.6: version `GLIBC_2.16' not found (required by ...
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1answer
134 views

Link issues with fiber card under RHEL 6.2 and hp dl380

I am having issues getting a HP ProLiant DL380p Gen8 running RHEL 2.6.32-504.el6.x86_64 to see and/or allow the use of a 10GE fiber card. I can confirm the fiber connection to the router has been ...
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1answer
449 views

RHEL6: repo won't enable

Mount DVD [root@rhel66 ~]# mount /dev/sr0 /media Install the repo metadata [root@rhel66 ~]# cp /media/media.repo /etc/yum.repos.d/rhel6.repo List the repos [root@rhel66 ~]# yum repolist all ...
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1answer
458 views

How to add a compiled ntpd in services on linux?

I compiled and installed ntp-4.2.8 using this link and created a rpm by running checkinstall on RHEL 6.5. I used the command ntpd -l logs to manually start ntpd. After starting I am able to verify ...
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227 views

No ntp.conf file after compiling ntp on Linux

I'm using RHEL 6.5. I compiled ntp-4.2.8 using the steps on this link. but I don't have a ntp.conf file. ntp.conf is required to start ntpd but after compiling, there is no ntp.conf on my system. I ...
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1answer
3k views

How to resolve rpm dependencies

I am trying to install libtirpc on RHEL 6.5 but it fails and asks for dependencies. Why here it is showing three GLIBC versions 2.14, 2.15 and 2.16. ?? Does it mean that any of these three versions ...
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1answer
716 views

CentOS 7 can't ping from server

I'm having a Strange issue with CentOS 7. I have my server setup with 2 NICs a private network and a public network. I'm able to ping the server on both the private and public IP. But I cannot ping ...
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873 views

How do I upgrade scientific Linux 6.3 to 6.6

Upgrading Scientific Linux 6.3 to 6.6 I have to update machines of SL6.3 to 6.6. I tried #yum list updates and .# yum update It downloaded some files and installed . But my SL is still showing SL6.3 ...
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234 views

How to create a bootable usb stick for ubuntu on RHEL 6

NOTE: this question was asked in askubuntu, and I was suggested to ask here. I want to create a bootable usb stick for installing ubuntu 14.04 on my laptop. Currently I have access to an RHEL 6 ...
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114 views

Updates don't install complaining about missing dependencies when dependencies are clearly installed (RHEL 6)

I have installed RHEL 6.2 and I am upgrading all the packages on it right now. I was expecting auto update to work, but I get these error messages when I authorize an auto update - ...
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27 views

CentOS 6 with User Permission (Read at message)

I have create users on CentOS 6 between test1 and test2 so I login on user test1 on ssh and i tried to access home dir of test2 so why it can access? how i can setting for other users can't access ...
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1answer
614 views

How do I enable/set multicast rules using firewalld in RHEL7 / CentOS 7

I cannot find docs on how to enable multicast for firewalld which is the default firewall in RHEL / CentOS 7. Can some enlighten me? FYI: I know how to do it using iptables.
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252 views

What is the purpose of the `daemon` group and user on RHEL/CentOS Linux?

I am on CentOS 6.5 and about to add a service to the system with chkconfig. It will run with its own system account, let's call it (the account) foobar, but I do not see the point of also creating the ...
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63 views

Installing Nvidia drivers on Red Hat

I wanted to install Nvidia drivers. Can you tell me why the following is not working : [root@INEICP-EPM-W134 Downloads]# rpm -Uvh XFree86-4.3.0-35.EL.src.rpm warning: XFree86-4.3.0-35.EL.src.rpm: ...
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41 views

how to verify linux server security vulnerability?

I'd just install RHEL7, how do i certify that my server is free from vulnerability, virus or malware?, is the any tools or script that i can use to verify it? tq regards adabi
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8 views

How to access RHEL Host from Win7 host in the same network of Hamachi LogMeIn

I have installed Hamachi on RHEL system and joined a existing mesh network on Hamachi LogMeIn account . I have now installed Hamachi on Win7 system and joined the existing same mesh network. Now both ...
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108 views

oscap audit on RHEL7

I'm new to OpenScap and I'm having trouble putting all the pieces together to evaluate a RHEL7 system. I've got the following RPMs installed: scap-security-guide-0.1.5-4.el7.noarch ...
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1answer
187 views

How to create/edit files for a nologin user in RHEL/CentOS?

I have a user defined like so: sudo useradd -m -s /sbin/nologin foo It is not meant to be logged into but it is meant to serve a web application. However, if I try to do anything inside the ...
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1answer
2k views

Problems Configuring the VNC Session for RHEL 7 on Power8

I follow http://www.linuxexplorers.com/2014/04/configure-vnc-server-in-red-hat-enterprise-linux-7-rhel7/ to configure the RHEL 7 VNC server. At the final configuration step "systemctl start ...
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37 views

Gnome panels are not un-autohiding

System: RHEL 6.5, Gnome 2.28.1 I have set both top and bottom panels to autohide. Until recently this has worked fine but they've now stopped reappearing. When I first log in, they appear as normal ...
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396 views

Expose a Reverse SSH Tunnel on the Remote server

I set up a Reverse SSH tunnel from my home computer to my work server: ssh -f -N -R 19999:localhost:22 remoteuser@server To connect to my home computer I have to first log in to the server and then ...
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1answer
217 views

Running find…exec tar czvf only archives one file…need all files

When attempting to run find . -iname "*.gz" -mtime +7 -exec tar czvf all_gizip_$(date +%Y-%m-%d).tar.gz {} \; I get the list of files ./corosync.log-20140620.gz ./corosync.log-20140618.gz ...
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81 views

Init 3 command with systemd

I am using Oracle Linux 7 for test purposes. I understand that the entire RHEL family (RHEL, CentOS, and OL) is using systemd now. As far as I know with systemd instead of init 3 I should use ...
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1answer
150 views

RHEL 6 HP Tape Driver Installation Troubles

Trying to install tape drive drivers for the HP Ultrium 3280 SAS using this guide http://h10032.www1.hp.com/ctg/Manual/c02262008.pdf Whenever, I try to execute mkltfs I get this error mkltfs: ...
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615 views

Qt Installation woes on RHEL 6

I wanted to install qt-creator on my machine so I went ahead and downloaded the appropriate rpm package qt-creator-3.0.1-3.el6.x86_64.rpm. Soon ... rpm -ivh qt-creator-3.0.1-3.el6.x86_64.rpm ...
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6answers
19k views

Disabling NetworkManager on RHEL 7

I was setting up a RHEL7 server in vmware vSphere and I'm having trouble getting it on the network without NetworkManager. I configured the server to have a static IP during the install process and it ...
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113 views

declare -A on RHEL 5

I am using an associative array on my RHEL 6 servers and I just tested the script on a RHEL 5 server and apparently -A is not supported for the declare command on RHEL 5: declare -A var -bash: ...
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1answer
564 views

How do I upgrade my version of tar on Red Hat 5?

I'm running RHEL 5 and the default version of tar is horribly old. yum update tar shows that I have the latest version according to their repo. How do I go about upgrading to tar 1.27, please?