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

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231 views

Need noacpi in CentOS 6.4, not in RHEL 6.4

I've been trying to fix a rather odd problem that I've seen on our new Dell R5500 (Xeon based workstations). We want to run CentOS 6.4 64 bit on them. We did a base install which worked fine, however ...
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179 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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54 views

How to install tomcat-native without need to install development utils

I am using tomcat on a RHEL machine. When starting tomcat, i get the following warning: INFO: The APR based Apache Tomcat Native library which allows optimal performance in production environments ...
2
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322 views

VPN inside virtual machine in mac

I have a Mac book pro running mountain lion and I have vmware fusion installed. I have RHEL 6.0 64 bit vm running (in NAT mode) and pptp is installed in rhel. I tried connecting my office vpn but it ...
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121 views

how to configure dual wlan at boot on rhel 6

I got a RHEL 6.3 box, with 2 wlan interfaces. I need wlan to be set at boot. wlan0 -> connects to NETWORK0 wlan1 -> connects to NETWORK1 How should I setup this ? I'm not used to ifcfg ...
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10 views

System Monitor Causes Periodic Current Peaks When Open in RHEL/Centos 6

While collecting data for a power consumption analysis, I noticed that simply having the System Monitor open while at idle caused periodic peaks in the current draw of the 12V bus. The current draw ...
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49 views

noVNC console on Openstack Dashboard is rendering garbled UI on RHEL7

I am running nova-compute on RHEL7. Openstack dashboard's noVNC console is rendering garbled UI for any instance having a UI console. Can somebody please help out? This is working just fine on RHEL65
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105 views

Problems with using xdg-mime default. The default was successfully set but it is not used via xdg-open

Directories keep opening in Firefox when I use xdg-open. I do not want this. I did: xdg-mime default dolphin.desktop application/x-directory and xdg-mime default dolphin.desktop inode/directory ...
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225 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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17 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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35 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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85 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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258 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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481 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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43 views

Difference between Virtual Console and Workspace?

Please explain all differences between Virtual console and Workspace in Linux. If possible also kindly requested to specify definition and/or example. Many thanks.
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37 views

Difference between ntsysv and system-config-services

Please someone can guide the difference between: # ntsysv # system-config-services ntsysv - tune services should be automatically started, is it similar to chkconfig?
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610 views

MongoDB PHP driver installation issue in Red Hat Linux

My server OS is Red Hat Linux. I installed MongoDB 2.2.3 successfully on my server, following this tutorial. I also tried following these instructions for installing the PHP driver for MongoDB, but ...
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524 views

Tell yum update to given date, no later

I need to tell yum to update to a certain date's patches. For instance, let's say a test box gets updated last Thursday. The owner beats on the machine and determines the patch set is good, so I want ...
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471 views

How to fix NFS V3 + TCP mount failing with 'Can't read superblock' error soon after an unmount?

Using NFS V3 and TCP!, portmapper is running. Not using iptables. Following are the options used: rw,noatime,v3,rsize=32768,wsize=32768,hard,intr,nolock,proto=udp,udp,timeo=11,retrans=5 If I wait ...
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693 views

How to disable Opportunity locking on Red Hat 5/CentOS 5?

Syslog returns the error "kernel: CIFS VFS: Write2 ret -13, wrote 0" when I'm using the software under cifs fylesystem, managed by NAS server. CIFS Version is 1.60RH. I saw that the options ...
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912 views

Setting up a Remote Diskless System

I am trying to setup a PXE Boot server with RHEL 6 and am following these directions. Has anyone done this successfully?? I am having various issues. I used the rsync command to copy over the ...
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16 views

How to download x11 offline in redhat?

typically i would follow these steps to download x11 for redhat: 1. sudo yum install xorg-x11-apps 2. cd /etc/ssh 1. mc —> change the parameters in sshd_config to (sudo chmod -R o+rw ./...
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12 views

Date being reset after I change, with ntpd disabled

Trying to set my RHEL server's date to one in the past for a test but it keeps being reset after about a minute of me changing it. I assumed it was ntp but I have since disabled the ntp service and it ...
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38 views

pip not working with non-root user on RHEL 6 server

I have a server running RHEL 6 with Python 2.6.6. I am having trouble using pip with Python as a non-root user. I am able to install pip packages and use them as root. However, when I try to run pip ...
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25 views

WiFi settings missing in RHEL7

I recently installed RHEL 7 in dual-boot in my computer. Its WiFi (wireless connection) setting is missing while my computer has a wireless NIC. Here is link of screenshot of my desktop is here: ...
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20 views

KVM/Virtualbox Virtualization with no physical network

I recently tried KVM as virtualization platform. I also use VirtualBox occasionally. In every instance of deploying guest OSes, I always do one of these two: 1) set up network as NAT, guest not ...
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13 views

Is there any method to free memory of specific NUMA node?

On my RHEL system, I find the memory used is very imbalance: node 0 size: 786251 MB node 0 free: 302932 MB node 1 size: 786431 MB node 1 free: 79388 MB node 2 size: 786432 MB node 2 free: 111653 ...
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47 views

RHEL 7 - tomcat start and stop as a 'tomcat' user vs 'root' user

In RHEL 7, I could start apache tomcat using the following command as a tomcat user /usr/sbin/tomcat-sysd start However, when I tried to stop apache tomcat as a root user using systemd using the ...
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36 views

How do I prevent Network Manager from disabling Wireless connection?

I want to disable the default feature of Network Manager to disable wifi connection upon connecting a wired one. I'm currently using wifi for internet access and I have a direct connection to another ...
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29 views

Installed CUDA and Tesla: kernel panic on reboot. Removed Tesla: still have kernel panic

I have a z820 with a Quadro K2000 in it. IT installed CUDA and rebooted the X-server (but not the machine) and it worked perfectly (did some very nice runs with CUDA afterwards). We then turned it ...
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111 views

Error installing Rcpp package on RHEL (using R 3.2): Unable to load shared object

Have R 3.2 on RHEL 6, and trying to install Rcpp package from source, i.e.: install.packages("Rcpp",contriburl="file:///home/msadm/R_packages") User doing the install does not have root/admin access, ...
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21 views

Why does CentOS 7 continue to change back the routing table?

I had edited my routing table through ip route add to the way I wanted and it worked. It was supposed to look like the following: default via 192.168.117.2 dev eno16777736 ... 192.168.0.0/24 ...
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11 views

Linux booting - redhat Linux 7.0

I am facing problem while booting RHEL 7.0 It is showing "write through cache" and then dracut# . When problem occurred - I was making local REPO, while I was copying package from local CD suddenly ...
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31 views

Slow IPC in 4000+ processes

I have an multiprocess application that is dependent on IPC calls. We have around 4000+ processes running. Currently we upgraded the system to RHEL 6.4, and now are observing that IPC calls msgrcv() ...
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43 views

How to prevent process from auto-restarting in Amazon Linux

I'm running tomcat 6 on Amazon Linux verson 2015.03 (I believe it's based on Cent OS / RHEL). Every time I run sudo service tomcat6 stop, a status request still shows tomcat6 (pid <num>) is ...
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94 views

how to install a local version of GLIBC on RHEL (without su permissions)

The glibc on the RHEL system I am using is old. I don't have su permissions on that system. Anyone knows how to install a local, updated version of GLIBC on my user account, without the need to have ...
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72 views

Package conflict when installing Zend Server on RHEL using install script

I am trying to install Zend Server on a RHEL machine using install script stated on this steps http://files.zend.com/help/Zend-Server-8/zend-server.htm#rpm_installing_zend_server.htm When I run ./...
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53 views

Modern Desktop Environment for RHEL 6

I'm currently forced to work with a machine running Red Hat Enterprise Linux 6. Since I'm usually working with the latest Ubuntu version and a corresponding modern desktop environment, I was quite ...
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100 views

Cloning to a larger hard drive in CentOS 7

My 500G HD is full (of stuff I want to keep) and I have a 5TB coming in the mail. I've done this before in windows and it is simple. Everything I've done in Linux, while better in the long run, ...
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15 views

Need to connect and automatically transfer data from Windows 7 PC to Linux Red Hat using SSH

OpenSSH is not suitable for Win 7 in my system.I would like to automatically bridge from Win 7 pc to Red Hat Enterprise server.
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238 views

Installing KVM virtual machine hangs at “connecting to graphical console for guest”

I am using KVM to install a virtual machine on RHEL 7.0, but the installing hangs, and displays "connecting to graphical console for guest": The terminal log is like this: [167804.496139] ...
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75 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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58 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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1k 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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45 views

stop user from being runing any commands, should able to run only granted with sudo

Is there any single command or script which gives result, the list of how many commands a linux user is able to execute? And how to stop user from executing even a linux basic commands and should not ...
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135 views

Getting per user cpu and memory consumption statistics

Is there a way to get cpu and memory consumption statistics summaries per user the same way prstat -t on Solaris shows them? The prstat(1) utility in Solaris display has fields NPROC UserName SWAP ...
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51 views

How can I prevent my USB mouse to interfere with standby, on Linux?

I am using RHEL workstation. My USB mouse interferes with standby - if I press the sleep button, the computer tries to standby, but instantly wakes up. If I remove the USB mouse, standby works. ...
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598 views

Red Hat Enterprise Linux Qt 4.7.0 install error

I'm running a virtual machine, using VMWare Player, running Red Hat Enterprise Linux Workstation 6.4 x86_64 and I'm trying to install Qt 4.7.0 from the qt-everywhere-opensource-src-4.7.0.tar.gz file ...
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498 views

Issue in running cron jobs in RHEL5

When I try to run cron jobs from root, I am getting the following error. I am using RHEL5. Can anyone help me? [root@localhost]# crontab -e Permission denied You (root) are not allowed to ...
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3k views

RHEL Unable to install any package using yum

I am pretty new to Linux and trying to install a package using yum in RHEL5 linux. Even the simplest of the simple packages I am not able to install and it looks like naming server issue. I tried ...