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

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24 views

memory high issue on RHEL server? [migrated]

18105 /wm/www/tmmy/ 2.2 1128256 1683020 16961 /usr/sbin/httpd 2.4 1201668 1692788 27746 /usr/sbin/httpd 2.4 1217296 1701612 31519 /usr/sbin/httpd ...
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15 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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49 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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15 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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23 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
588 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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41 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
126 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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0answers
14 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
13 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 ...
0
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1answer
19 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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36 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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0answers
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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0answers
38 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
479 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 ...
0
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1answer
1k 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 ...
0
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1answer
104 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 ...
1
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1answer
254 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 ...
1
vote
1answer
334 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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1answer
178 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 ...
1
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1answer
2k 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 ...
1
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1answer
550 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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4answers
604 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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2answers
169 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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105 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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0answers
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 ...
0
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1answer
378 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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2answers
152 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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52 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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40 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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0answers
100 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
131 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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34 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 ...
1
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1answer
357 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 ...
1
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1answer
180 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 ...
0
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1answer
68 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
124 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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0answers
525 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 ...
7
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5answers
16k 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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0answers
94 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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12 views

How can I specify what directories my overlay uses on a liveusb?

I'm using a Red Hat system (4.4.7-3) to generate a CentOS live USB/CD. I have figured out how to create an overlay as well as a home overlay; however, I cannot seem to grasp how to change the ...
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24 views

How to disable Ctrl+Shift+U in RHEL?

When working with Eclipse some shortcuts are not working as under Windows. Most prominently, Ctrl+Shift+U (which lists all references to the variable under the cursor within the same file, very ...
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1answer
460 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?
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1answer
50 views

fdisk overwriting sector 0 problems

I'm having an issue with my usb 3.0 external hard drive when I try to use the fdisk command to make an ext4 partition. It's encrypted and I've been told that modifying sector 0 of the drive overwrites ...
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1answer
21 views

Package compatibility

I have a home server running Oracle Linux 6, which is very similar to Red Hat and runs a RHEL compatible kernel. My question is, to what extent would packages originally made for other rpm-based ...
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278 views

install latest gcc on rhel 6 x86_64

I have an RHEL 6 server with gcc version 4.4.7. I wanted to update the gcc version (I think the current one is 4.8). Yum update doesn't work. Also, SO answers for a similar question on CentOS does not ...
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1answer
58 views

RHEL linux version dependant mounting if elif else

I am trying to mount as below, where the mount point is version dependant: 1) Find if any of the below 2 are mounted. 2) Find RHEL version, then mount one of the below mount -o soft ...
0
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1answer
189 views

How do you link ldap users with svn?

I need to sync ldap users with the svn service configured on the RHEL 6.2 server I am using. Additionnaly it would be cool to be abble to control who can commit. The ldap is working and users and ...