Red Hat, Inc. is an S&P 500 company in the free and open source software sector, and a major Linux distribution vendor. Founded in 1993, Red Hat has its corporate headquarters in Raleigh, North Carolina with satellite offices worldwide.

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How to recover a file from a full lvm snapshot on linux or mount a full snapshot or extend a full snapshot

I have a feeling what I need is lost, but here is what I would like to accomplish. I setup a 5GB lvm snapshot of my root lvm, mounted it in my home directory, and then chrooted it so I could test and ...
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1answer
204 views

Do I have to restart my machine for ulimit - u to take affect?

So I have an external 3rd party application which runs on Java. The JVM is getting a load of OutOfMemeory errors and their support team suggested I raise the ulimit - u from he default 1024 to 4096 ...
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1answer
117 views

Linux/RedHat - Yum install tab completion

I had been using Ubuntu and recently migrated to RedHat. The apt-get install auto completion is very handy, so I supposed yum install should have this function as well, but seemed it doesn't. Is there ...
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0answers
608 views

Wifi is not enabling in redhat

I am new to redhat environment, My laptop Wifi is not enabled after installing redhat.I am using Red hat enterprise Linux server. Release 6.0(santiago) Kernel Linux 2.6.32-71.el6.x86_64 GNOME 2.28.2 ...
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votes
1answer
601 views

What is the general strategy for handling multiple missing shared objects?

I'm still learning Linux, so bear with me... I ran ldd on Apache's httpd and found many missing shared libraries. I am new to this machine and am not sure whether some of these are misplaced or ...
1
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1answer
256 views

How to disable Alt-Tab shortcut in VMPlayer?

I want to send Alt-Tab to my windows host OS when working out of the guest OS on VM player. At the minute it gets trapped by the guest OS. Anyway to disable sending it to the guest (RedHat)?
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1answer
96 views

Prevent users from being able to pipe output to another users terminal?

So currently on this server if two people are logged into the same server, you can do something like: -bash-4.1$ cat /dev/urandom | write username It will print a bunch of junk to their terminal. I ...
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0answers
119 views

Red Hat Gnome menubar disappeared

I'm using Red Hat Enterprise Linux 6.4, and the menubar has disappeared, as you can see from this screenshot. I'm not sure which setting I modified. I've removed .gnome config from my home ...
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1answer
193 views

Fedora 18: Can not find version.h

I am attempting to install some ATI graphics drivers. The installer fails and the log says this: Check if system has the tools required for installation. fglrx installation requires that the system ...
0
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1answer
27 views

starting network interface in debug mode

Is it possible to start the network interface in debug mode? I am looking for Something like "sshd -ddd" but for a network interface. Basically I am looking for a redhat based solution.
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2answers
63 views

Make an access directory structure tree?

I want to run a script that will show me all the folders (output to a text file) that the running user can see starting from root, down to the point where it doesn't have the permissions to go any ...
3
votes
1answer
183 views

How to find out why available disk space is decreasing every day?

I have a CentOS web server which does not have much load on it. I noticed that its available disk space drops by more than 100MB every few days. There isn't any new software installed, however there ...
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1answer
41 views

What aids exist in RHEL v6 to calculate subnets without an internet connection?

The Red Hat version of the ipcalc program is very basic compared with some other versions that are available. Suppose you didn't have an internet connection and could only use tools that exist ...
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votes
1answer
53 views

Server doesn't run after reboot [closed]

I just rebooted the server, but doesn't go up anymore. What can be the problem? Server is RedHat and i used 'reboot' command from root ssh.
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2answers
247 views

Unable to connect to Internet in OEL5 guest even though I can ping machine from host machine

I have Oracle Enterprise Linux 5 as Guest on VirtualBox running on Windows 7 host using Bridged Network. I have being trying to configure a static IP on OEL5 VM Guest at work, as previously the VMs ...
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0answers
262 views

Installing Red Hat 6.4 (RHEL 6.4) cannot find installation media

I am trying to install RHEL 6.4 on a Dell PowerEdge R720. I am using a DVD and every time the Red Hat prompt comes up and asks for my language and keyboard preference. After that, an error message ...
0
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1answer
178 views

Which CentOS ISO to use for my virtual machine? [closed]

I have a physical server running Red Hat Enterprise Linux Server release 5.5 (Tikanga). I would like to create a virtual machine (using VirtualBox) with a binary-compatible version of CentOS server as ...
0
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1answer
32 views

Installing a CPAN module using a remote compiler

I need to install the XML::Parser module. Unfortunately, that package uses expat. Due to security concerns, I am not allowed to install the dev package of expat. making the CPAN Module fail to ...
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1answer
65 views

After renaming system with hostname, mails sent no longer show correct domain

I have a RH server that I renamed a few days ago from XXXX to YYYY. Previously email sent from the server would be sent from [email protected] After using hostname to rename the server, they now ...
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0answers
130 views

RHEL 6.4: Cannot Update via Terminal

I have a RHEL 6.4 server and I cannot use the yum command from within an SSH connection. If I execute any yum command (yum update, yum install, yum clean all) I get the following: Loaded plugins: ...
2
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0answers
131 views

Error compiling and installing mcrypt from source

I'm hoping someone can help shed some light on my current issue. Scenario: Installing libmcrypt, mhash and mcrypt from source in order to compile PHP5.4 with the mcrypt extension enabled. OS: ...
0
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2answers
149 views

redhat 5.4 too slow on my hp Elitebook 8440p

I installed RedHat Enterprise 64bit 5.4 on my hp Elitebook 8440p however the performance is disturbing. When I am typing, the computer seems to hang and repeats some keys. I also note that coping ...
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2answers
142 views

Discrepancy between df and du

I have a question pertaining the difference from 'df -h' and 'du -bs'. I have seen several questions here about it, but the issue was always that 'df -h' was reporting more used space than 'du -bs'. I ...
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0answers
112 views

Critical error on Red Hat Linux

I have a RHEL 5 x64 virtual machine. My colleague accidentally deleted some main system files related to root as he said. Now when I boot the machine , I got the following error : exec of init ...
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3answers
189 views

Machine needs F1 key to reboot, how to skip this?

Each time the machine (Linux, RHEL) reboots, it waits for F1 key to be pressed in order to continue the boot process. How can I skip this ? These are the message :Node3 DRAM uncorrected ECC ...
2
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2answers
196 views

Why provide vi and vim?

I think I'm right in saying RedHat and other distributions provide both vi and Vim. Does anyone know what the rationale is behind providing both when presumably if Vim is provided it covers the ...
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0answers
363 views

how to dual boot Redhat and ubuntu on using different partitions

I want to dual boot my laptop using RedHat and Ubuntu in different partitions. My hardisk contains the following partitions: /boot ==> redhat boot partition 300MB /SWAP ===> 8GB / ===> ...
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1answer
36 views

is it possible to change the way of authenticating linux with the help of a daemon (FC4 particularly)?

I got a pc and a special application installed on it, the OS is FC4 and we don't have root password I tried several random passwords and after 3 times I realized that something fishy is happening ...
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1answer
68 views

I took an image from entire hard disk of a real PC running linux FC4 and try to run it under virtual box but grub freezes all the time

I am trying to run an image which I took from an actual PC (cpu = intel/motherboard=unknown to me/ os = FC 4/ RAID disk controller) and I want to run that image under virtual machine ...
0
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1answer
206 views

Logical Volume Partitions

I am trying to incorporate Logical Volumes into the paritioning scheme for the VM I am creating, in Red Hat Enterprise Linux 6.1. I am booting from an ISO Image and I have a Kickstart Script that ...
0
votes
2answers
138 views

yum: enable a disabled repository

I've found out I can use yum --enablerepo= to temporarily enable a disabled Yum repository, but I want to permanently enable a repository. Is there a preferred Yum command to enable a disabled ...
0
votes
1answer
151 views

Commands for reporting media file metadata info on a linux(Red Hat) machine

All, I have a shell script running on MAC OSX that uses mdls command to report metadata information about media files (mp3, m4v, mp4, m4r etc.). I have to write a similar script for a linux ...
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1answer
5k views

Installing 32 bit glibc on 64 bit RHEL

I'm trying to install glibc-2.12-1.25.el6.i686 on 64 bit RHEL. I understand it has a dependency on the NSSRAWHASH package (I'm using the nss-softokn-freebl-3.12.9-3.el6.i686.rpm package), so I run ...
0
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1answer
130 views

unix_chkpw run before access.conf via pam - security risk

I have RHEL 6.3 systems that have PAM's access.conf correctly configured and running. However, it seems in a less than ideal state, after analysis of a root-hack attempt, and I'm wondering if there's ...
3
votes
1answer
2k views

Cannot switch to jenkins user redhat linux

I have a redhat linux server running jenkins. I setup jenkins as per the instructions mentioned here https://wiki.jenkins-ci.org/display/JENKINS/Installing+Jenkins+on+Red+Hat+distributions The problem ...
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votes
3answers
1k views

issue installing git on redhat 5.6

I get the following error when run: It is somehow missing the perl dependencies, I am not sure do I need to update the perl or remove something as a workaround! yum install git Loaded plugins: ...
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1answer
44 views

chinese language use in solaris 10 and redhat 6

How to type in Chinese in solaris 10 and redhat 6 ? Please tell method how to configure it through command line not through GUI
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vote
1answer
2k views

yum update error Red Hat 6.4

I have just upgraded my system from Red Hat 5.8 to 6.4. Upon issuing the command yum update I get the following message This system is receiving updates from Red Hat Subscription Management. This ...
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votes
2answers
198 views

Is it possible to use yum to install a RPM file in Red Hat Linux?

Is it possible to use yum to install a RPM file in Red Hat Linux? Since I don't have the Internet access from this Linux I can not do wget and follow the process. So all that I have now is a rpm ...
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0answers
447 views

How can I use sar to track processor and memory usage?

I'm running some load tests on a application hosted on one of my server and I wanted to track the processor and memory usage over a period of time e.g. 30 minutes. I've read that I can do this with ...
0
votes
1answer
234 views

hide pid when a process is launched in background

So I put this command vncconfig -iconic &, this causes vncconfig window to launch and terminal will display like [1] 13488. I want to hide this pid info. That is, when we put the command, only ...
0
votes
1answer
20 views

rpm: Contradictory information (both installed and not installed)

rpm (on RedHat EL 6) is giving me contradictory information: [root@aphrodite Desktop]# rpm -e DeepFlow-1.0-1.el6.x86_64.rpm error: package DeepFlow-1.0-1.el6.x86_64.rpm is not installed ...
0
votes
1answer
93 views

How is executing a startup script different to writing the commands manually?

This is my Node.JS webserver startup script for RedHat EL 6. #!/bin/sh # chkconfig: 345 01 01 # description: DeepFlow startup script case $1 in start) echo "Starting DeepFlow" ...
2
votes
2answers
651 views

How can I register my app to the “service” command?

On RedHat EL 6, many services can be started and stopped on the command line: service some_service start and service some_service stop I have packaged a Node.JS server application in an RPM. How ...
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0answers
253 views

Download link issue for Red Hat Enterprise Linux 6.3 on Red hat website

Is it possible to download Red Hat Enterprice Linux Server 6.3 from the Red Hat Website. Link seems to be missing for old iso.
0
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1answer
31 views

Finding RedHat applications

I'm new to RedHat, and confused and frustrated. I want to run the application called "Nautilus". According to the "Add/Remove Software" utility, Nautilus is already installed on my system, but I ...
1
vote
1answer
1k views

How to set up a NAT and and a Host Only adapter using Vagrant?

I am trying to make a NAT connection (for yum downloads) and a Host-Only connection (for talking with host) at the same time on my CentOS box when using Vagrant. I CAN do it by SSHing and checking ...
3
votes
2answers
2k views

How would I check the version of vncserver on Redhat?

I want to check which version of vncserver I am using in my linux box. What is the command for that? When I run which vncserver I get /usr/bin/vncserver P.S: I am running Red Hat Enterprise ...
0
votes
1answer
112 views

Linux Redhat kernel source installation? [closed]

I downloaded my kernel source rpm version, uname -a, from the ftp.redhat.com site. When I installed the rpm it put it in ~rpmbuild. In the past didn't it put it in /usr/src/redhat? Did this change? ...
2
votes
2answers
71 views

How to find rpm binary of a given process?

Here is the problem: I'm trying to find what cron software is running on my machine, however question applies to any generic process. One way to do it is: Find the process ps aux |grep cron Find ...