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 verify mirror configuration on Red Hat Linux?

I have an IBM blade server and we've installed RedHat Linux on the machine. How can we check if we have both disks running as a mirror, or if everything is only running on a single disk? What linux ...
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configuring p4 on red hat enterprise linux

It's time to get rid of this simple but yet not easily explained topic. And whatever I got on internet, in one or other way, failed to sync my WINDOWS depot to RHEL client. Following is the stuff I ...
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211 views

RedHat installation error

I am trying to install RedHat on virtualbox running in ubuntu but it results in "drives not found error" on both RHEL 3 and Red Hat 9 versions. I have a sata hard disk and the details of my machine ...
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Red Hat Enterprise WS Version 3 on Dell M4300

I am trying to a dual boot on Dell M4300 but the Red Hat installation process does not recognize the hard drive. I have looked around a bit and so far I found that since I have a very old version of ...
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2answers
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How can I enable anonymous access to a Samba share under ADS security mode?

I'm trying to enable anonymous access to a single service in my Samba config. Authorized user access is working perfectly, but when I attempt a no-password connection, I get this message: Anonymous ...
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20 views

Can't install a package with YUM

I've installed YUM 2.0.7. When I try yum install kernel-headers for example I get the following error: What should I do for a fix? P.S. I've installed version 2.0.7 of YUM because I'm required to ...
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1answer
15 views

Virtual RedHat Can't Connect to the Internet

I've installed RedHat 9(linux v2.4.20) with Vmware Fusion. The installation was successful although I can't seem to be able to connect to the internet under RedHat even though my Mac is able to ...
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1answer
10 views

CentOS - installing jdk

I run the command yum search jdk Output: So I run yum install ldapjdk.1686 IT says: No package ldapjdk.1686 available
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12 views

Red Hat Enterprise Linux Desktop clone

Just as CentOS is a near clone of Red Hat's Enterprise Linux server product, is there a near clone of Red Hat Enterprise Linux Desktop? I'm aware of Fedora, but I don't see it as a clone of RHEL ...
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2k views

Unix : `nc` on Ubuntu vs Redhat (netcat)

nc -q -1 local host ${PORT} ${CMD} In Ubuntu, nc may be used as above, with the -q option. See manpage. -q after EOF on stdin, wait the specified number of seconds and then quit. If ...
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Groovy performance on Linux machine

I have a problem when I start Groovy on one of my Linux machines - it takes about 30 seconds to execute very simple command: groovy -e "" if I run strace on it, here is what I see where it stops ...
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6 views

Linux-Redhat6 KDE how to start logging in a file

I dragged a sensor with 'Log to a file' option, for logging column it is marked as 'crossed'. How do I start logging ?
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/etc/inittab combined with su - newuser failed to bringup new process with different UID than root

Using /etc/inittab on RHEL 6.3 x86_64 system, we tried to respawn a binary: aka watchdog from newuser UID login when restarted, not as a root UID process. Made the following changes as inline. ...
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8 views

Dependencies with /etc/init.d scripts

I have a script that start a DB2 database server instance at boot time and another script that starts an application which has as dependency that DB2 database must be up. In Solaris there was a way ...
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1answer
2k views

Is it possible to upgrade from RHEL 4 to 6 with up2date(or yum) on or after 2012/08?

I'd like to upgrade my server's os from RHEL 4 to 6 after 2012/08. I know that there are 2 methods to upgrade. 1. directly (RHEL 4 -> 6): 1. buy a new server machine. 2. install RHEL6 on the ...
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9 views

Install CentOS 6 (Red Hat 6) documentation locally

I vaguely remember there was an option to install the documentation available at https://access.redhat.com/site/documentation/en-US/Red_Hat_Enterprise_Linux/. Things like "Deployment Guide", etc. I'm ...
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12answers
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How do I check whether I am using KDE or Gnome?

or maybe something else? I am using Redhat OS.
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2answers
170 views

Making log message priority show up in syslog

I'm using Red Hat 6.0 on a testing server. My code contains syslog(pri,"(%u)%s",(unsigned int)getTid(),buf); The log message in syslog looks like (18597)DES=Recved confirmation of successful ...
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2answers
2k views

RedHat Network - Unable to register

I'm trying to register my RedHat machine to my RedHat Network account but when I try, I get this error: Problem registering system: Error Class Code: 70 Error Class Info: All available ...
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1answer
13 views

RedHat Basics - Where do I put my files?

I have a box that's running Red Hat 4.8.1-1. First, where besides my personal users directory does one store 'production' files? /data? /? /where_ever_I_want?
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4answers
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yum update fails

i have RHEL 6.3 [root@RHEL6 yum.repos.d]# uname -a Linux RHEL6.3-64-BuildMac 2.6.32-279.el6.x86_64 #1 SMP Wed Jun 13 18:24:36 EDT 2012 x86_64 x86_64 x86_64 GNU/Linux My /etc/yum.conf looks like ...
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2answers
2k views

Disable the screensaver in Red Hat

I am using Red Hat Enterprise Linux WS release 4 (Nahant Update 2). Please help to disable the screensaver.
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1answer
28 views

Will CentOs 6.5 be compatible with Redhat certified motherboards?

I am building a lot of machines these days running CentOs, but recently I ran into serious compatibility issues with various of motherboards where CentOs ain't happy. At first I had problems with a ...
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46 views

Install Monodevelop on a new Redhat 6.5 Workstation

I've installed Mono and I would like to install Monodevelop. I tried to build the dependencies but with no prevail. My distro is rhel 6.5 Workstation. Can someone please show how this can be ...
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2answers
54 views

Install OS on bare metals without physical access

I have a cluster of computers in a data center remotely and we have been given the "root" access politically&technically. However, they are using Redhat and we want to install Debian on it and ...
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93 views

DVD not found error while kickstart installation on RHEL 6.5/6.4

I want ks.cfg on dvd itself to keep everything at same place. Content of isolinux/isolinux.cfg label ks menu label ^Kickstart kernel vmlinuz append initrd=initrd.img ks=cdrom:/ks.cfg And ...
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How to properly configure and use LXC through lxc-tools (NOT libvirt) on Red Hat based distros?

I am currently learning all about LXC. No doubt there are excellent tutorials about it. The tutorials/guides take one of the following approach: LXC on Ubuntu/Debian etc. using lxc-tools OR LXC on ...
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2answers
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Red Hat: how do you create a new network eth?

I have a machine that has eth0 and eth1, and now I want to create an eth2 and assign it some IP address. What's the command for doing this?
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1answer
2k views

changing /etc/profile does nothing to root PATH

rhel 5 root has /bin/bash for shell. I removed pathmunge /usr/local/sbin from /etc/profile. There is no /usr/local/sbin in /etc/profile.d/* /etc/bashrc /root/.bashrc /root/.bash_profile /root/.profile ...
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1answer
68 views

Are files in /tmp cleaned up by the operating system?

I have a script that generates log files that I place under /tmp I run it on Linux RedHat, Ubuntu, Solaris and AIX. I'm wondering I have to clean the logs periodically by myself (e.g. after 14 days) ...
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2answers
475 views

what's the difference between /etc/init.d/sshd start and /usr/sbin/sshd?

I'm having issues with passwordless ssh. I've checked, double checked and checked again that I have everything set up correctly. Both machines are RHEL6 and when the destination machine first boots ...
2
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1answer
1k views

Finding CPU utilization past 2 months in Linux

I am trying to figure a way to get the CPU utilization for the past 2 months. I have tried to use sar. What I found with sar is that you can collect and report CPU utilization with it and it is ...
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33 views

Killing daemon and closing port without ability to use 'lsof'

I have an application that spits out the time when it is requested from a client. I don't have permissions to use port 13, so I put it on a really high-numbered port. Now I can't kill that port, and I ...
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19 views

probe processor voltage in linux

I am in a redhat server I've tried to use lm-sensors to detect my processor's voltage, just like CPU-Z in windows environment. But after I using the command "sensor-detect", only processor's ...
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28 views

Old Red Hat Linux 5.2 on VirtualBox

I am trying to install and run Redhat 5.2 on a VirtualBox VM. This is NOT RHEL; This is the old Redhat 5.2 from before the Fedora project and was first released in 1997. While going through the ...
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Installing apache httpd server 2.2.X in RHEL WS 4

We have apache httpd server of version 1.3.27 running in the production server with OS version RHEL WS release 4 (32 bit). We are using two instances of this httpd server. One for front end light ...
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1answer
25 views

building custom kernel on redhat 9

I'm trying to build a kernel 2.4 on redhat 9. but when I go through theses steps: make menuconfig make dep make bzImage make install they return no error but when I try to boot into it, it returns ...
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1answer
41 views

Red Hat seeing all processes and detail information about them

im on a red hat server and i did ps -a and see all running processes. CMD> ps -a PID TTY TIME CMD 1857 pts/5 00:00:00 ps 9011 pts/1 00:00:00 su 9097 pts/1 00:00:00 csh 20515 ...
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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 ...
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1answer
48 views

My wireless card is not being detected

I have a NIC Realtek rtl8111/8168b with the r8168 drivers in use (note that the r8169 drivers that come with the card do NOT work) with a Scientific Linux with kernel version 2.6.32 that does not ...
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2answers
159 views

How to replace the driver of realtek 8111/8169 NIC to 8111/8168

I have a Scientific Linux 6.2 with a kernel version 2.6.32-220.4.1 installed and I got a problem with a realtek r8111/8168 NIC. I found that this card does not work properly with the driver r8169, so ...
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1answer
20 views

Broken mount point with crazy status

I used to mount via sshfs onto this mount point named vismac on a RedHat linux. But something is broken, and ls -l results in the following mess of question marks and dashes: drwxrwxr-x 9 user_me ...
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3answers
89 views

What's the name of the file system of the operating system in UNIX\Linux?

Is that correct to assume that the operating system is ALWAYS placed in /usr in all kinds of UNIX and Linux? I'm writing a script that has to check the free space in the operating system's file ...
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383 views

Can't install php-fpm: dependency issues

I'm trying to install php-fpm for my nginx server. Trying to install through yum (yum --enablerepo=remi install php-fpm php-mysql), I get the next error: Error: Package: ...
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70 views

Upgrading MySQL on RedHat 6.5 and installing MySQLdb

I have a fresh (clean slate) VM with RHEL 6.5 installed. I've been trying to upgrade MySQL 5.1 that comes with it by following one of the resources that I found online. But, when I try to install ...
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What's wrong with this configuration of sudoers file?

I have to execute a shell script as another user, but without being prompted for a password. I've edited the /etc/sudoers file with visudo, adding the following line. _www localhost=(otheruser) ...
2
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1answer
4k views

How to install “mail”

I'm trying to install "mail" on a Red Hat 4.1.2-48 box. I tried: yum install mail It prints out: Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile * base: mirror.anl.gov * ...
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60 views

Why doesn't my new Amazon EC2 cluster volume size reflect the size I set in the launch options

When I create a new cr1.8xlarge instance on EC2 with a 100GB EBS storage, and run df -h, I only get about 6Gb of available storage on the root device. The instance is created using the Red Hat Linux ...
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2answers
1k views

Which versions of glibc do different versions of RedHat ship with?

Can anyone tell me (or point me in the direction of an online resource which outlines) which versions of glibc ship with which versions of RedHat? This RedHat document indicates versions of GCC but ...
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607 views

how to install the latest flash on RHEL 5.3 to support Chromium browser?

I've installed chromium on Linux from a custom binary on the net. When I try to get to gmail or any other site that uses flash, chromium warns me that the version of flash that is shipped with the ...