Red Hat Enterprise Linux (RHEL) is a commercially supported Linux distribution.

learn more… | top users | synonyms (1)

4
votes
1answer
82 views

Make one VNC server appear as two displays in RHEL

I have a VNC server running in virtual mode in RHEL and I am viewing it on a PC which has two screens. I can make the server use both of my screens by setting the resolution large enough: xrandr -s ...
3
votes
1answer
948 views

How do I resolve an error when booting, “Couldn't find device with UUID…”

I have a RHEL 6 system, running on a VMWare machine. The admin of the VM server added a second RAID volume to the server, which my RHEL system does not use. Now, when I boot the RHEL system, I get a ...
3
votes
1answer
585 views

GDM will not start on boot, unable to login into graphical interface

I am running RHEL 5.8 . SELinux is enabled but in permissive mode. Here are some snippets from /var/log/messages on boot. kernel: type=1400 audit(1360613500.551:6): avc: denied { write } for ...
2
votes
1answer
75 views

SOLVED: Useradd fails: useradd: cannot lock /etc/passwd; try again later

When I attempt to add a user or delete a user, as root, I get the following error: useradd: cannot lock /etc/passwd; try again later. After looking thru many posts I don't have any of the usual ...
2
votes
1answer
167 views

How do I disable network interfaces from loading at boot without Network Manager?

The machine I'm using has 4 network interfaces, only one of which is currently being used (the other 3 are not plugged in at all). Currently when the machine is restarted it is delayed by a few ...
2
votes
1answer
223 views

How to force rpm and yum to fail if a GPG signature is missing or cannot otherwise be verified?

How can I force rpm and yum to fail if a GPG signature is missing from a package or otherwise cannot be verified due to a missing key? For the example below, assume the RPM has been signed but the key ...
2
votes
1answer
265 views

How to use both syn proxy and connlimit rules with iptables?

I want to write both syn proxy and connlimit rules. I want to send packets to syn proxy first because of performance issue. Here is rule sample. I use bridge interfaces but I dont think it is ...
2
votes
1answer
163 views

How to set a service to start after autofs has started with systemd

I have to set up a license server on a RHEL7 machine with systemd. The license server should start upon boot and load a license file from a shared disk on the network. So I need to wait for the ...
2
votes
1answer
948 views

Unable to add eth0 in Rhel 7

I am unable to find eth0 in RHEL 7 after just installation. Even I created the eth0 inside the /etc/sysconfig/network-scripts/ directory. After created eth0 inside the network-scripts, I am unable to ...
2
votes
1answer
153 views

Simulate Initial Login of user without using sudo

I'm writing a script to interface 2 third-party programs. (Datadog and AWS) The data mining script uses sudo -u to run my script. The script that I need to retrieve data from will segfault if ...
2
votes
1answer
311 views

How to install glibc version that corresponds to GCC 4.4 on RHEL5

We have a program with executables built on RHEL6 using GCC4.4 and we need to run it on RHEL5.5. But RHEL5.5, by default does not have the necessary version of glibc. Has anyone faced such an issue ...
2
votes
1answer
4k views

RHEL 6.4: Openssl 1.0.0-27 libcrypto and libssl missing

I am trying to install znc IRC bouncer, which needs openssl libraries: Error: Package: znc-1.4-1.el6.x86_64 (epel) Requires: libcrypto.so.10(libcrypto.so.10)(64bit) Error: Package: ...
2
votes
1answer
846 views

CHROOT: Unable to copy files to jailed users directory from local machine using WINSCP

I've setup a chroot environment for one of my users called client on my system. I'm using WINSCP to connect to my server from my machine using public key authentication. Everything works fine, I can ...
2
votes
1answer
99 views

Using FACLs to restrict default group but allow others

So, I'm running RHEL 6.x with acls enabled, etc. and I've been fighting this ACL issue for a bit now and I can't seem to get it down. I'm trying to make it so that: /var/www/html/* are owned ...
2
votes
1answer
629 views

Install 32-bit library packages on 64-bit rhel 6.2 during installation of os

I want full installation of rhel-server-6.2-x86_64. Within this setup, I want to install some of 32bit glibc packages before completion of installation, which already available in ...
2
votes
1answer
75 views

rPath clone or similar

I just joined a new company, and this company is using rPath in its system deployment process. If you did not know, rPath as a company and solution, has been closed and discontinued when they were ...
2
votes
1answer
300 views

LVM issue with VM - Physical disk not present

Am trying to troubleshoot an issue that has arisen during a DR test and admit from the outset that LVMs are not my forte. We have a RHEL6 VM running on ESXi 5.1. We are using a LUN to LUN ...
0
votes
0answers
48 views

Is there anything in RHEL 6.5 that would affect I/O speed for something <24K vs >24K?

Generally, transactions for my app of setting and getting data internally are measured in a couple of millis. However, over 24K in size, that time can jump to just over 100 millis. Is there anything ...
0
votes
0answers
732 views

nfsd fails to start: modprobe: FATAL: Could not load /lib/modules/2.6.18-238.1.1.el5/modules.dep: No such file or directory

Before asking, here are some system specs: [root@SERVER ~]# cat /etc/*release **##############CARS build log for cars20-rhel-x86_64############## Date: Mon Feb 28 20:06:05 PST 2011 Builder: ...
0
votes
0answers
169 views

zip command is failing during high memory usage

We have several perl scripts, which generates and emails reports. The script that emails the files expects a .zip extension. The report scripts generates a .txt or .xls file and then runs the ...
0
votes
0answers
3k views

RHEL server Booting problem: "fsck.ext3: unable to resolve 'LABEL=/u01'

We had an old Linux server in the workplace for last few years, so I decided to turn it on and it's showing this problem during boot up: No devices found Setting up Logical Volume Management. ...
0
votes
0answers
64 views

Mirror mode openldap perfromance is slow when either mirrored node fails

I'm managing two openldap servers in mirrored mode. When either server fails ldap performs poorly, 30 seconds to several minutes to authenticate. Affected services include ssh and X11 (XDMCP). A ...
0
votes
0answers
409 views

Creating yum .repo file from a remote repo using rpm

This command (from the install page for Varnish 3.x): rpm --nosignature -i http://repo.varnish-cache.org/redhat/varnish-3.0/el6/noarch/varnish-release/varnish-release-3.0-1.el6.noarch.rpm appears ...
0
votes
0answers
54 views

Postfix does not respond after “Mail From”

I have a VPS with Linux on it, and Plesk. The /proc/version file has (Red Hat 4.4.6-4) in it. The mailer is Postfix, but it isn't working, if I telnet in to port 25: I Get the banner I do HELO I ...
0
votes
0answers
94 views

RHEL Linux 6 teamviewer 9 upgrade error

I had teamviewer 7 installed on my server RHEL 6, but I wanted to upgrade it. I downloaded the latest rpm teamviewer 9 en from here and upgraded it, now my server X window system won't start up. ...
0
votes
0answers
133 views

Desktop appears as a terminal when viewed via VNCserver client

I have installed vnc server on a RHEL 6.5 machine using the following commands: yum -y install tigervnc-server xorg-x11-fonts-Type1 and have made the changes to the /etc/sysconfig/vncservers file ...
0
votes
0answers
57 views

Citrix printing problem on centos - hp

I have setup Centos 6.3 - 6.5, installed wine and running Citrix app. I can print perfectly Wine based apps (i.e. wine notepad) but when printing Citrix through wine it is printing ASCII characters. ...
0
votes
0answers
266 views

Oracle Linux R6 Install Error

My Oracle Linux R6 x64 won't install. After normal install it's just blank screen. After basic video driver options install stuck on "Waiting for hardware to initialize...". Tried with different ...
0
votes
0answers
197 views

How to disable PAE feature of kernel, after installation?

I am using RHEL 5.3(x86) as a base platform for my development purpose.My machine's spec is as follows: Intel, Core-i3 Processor @ 2.5GHz 4GB RAM Problem is whenever I am attempting to install the ...
0
votes
0answers
429 views

How to setup a static IP on Red Hat 6.5 using VMware?

I have VMware 5.5 with a vmguest RHEL 6.5. I get connectivity with DHCP from RHEL -> switch1 group -> physical-> to internet. Once I set up the vmguest with RHEL 6.5 with a static IP, it nolonger has ...
0
votes
0answers
165 views

How do i block USB devices based on device class in Linux

Problem Statement In windows server to provide access to USB devices are managed by GFI EndpointSecurity. Is there any open source tool in Linux which can do the same job. I want to block USB ...
0
votes
0answers
211 views

MBR to GPT Conversion of existing RHEL 6 system

I have got RHEL 6 running on MBR (Master Boot Record), management is done using fdisk and parted commands. I would like to know the steps or procedure to convert existing system to GPT (GUID Partition ...
0
votes
0answers
300 views

Serial Over Lan redirection stops at OS boot

I'm trying to create a monitoring system for a remote machine using an IPMI Serial Over Lan (SOL) console. The remote OS is RHEL 6, the mobo manufacturer is Supermicro. I've successfully enabled SOL ...
0
votes
0answers
341 views

gdb-multiarch command not found

I have installed QEMU in RHEL for running the assembly programs in ARM. I have successfully installed QEMU and ARM. However, for debugging we are thinking to use GDB. I want to install the ...
0
votes
0answers
68 views

Why Redhat is not installing using HTTP

Im trying to install Rehdat using HTTP and these are the steps I preformed to do it. I copied the iso image in /var/www/rhel/5.9/ Then i made a HTTP YUM repo under /yum-repo.d/rhel-5.9.repo/Server ...
0
votes
0answers
3k views

'Git clone' times out with 443 error message

git clone -v https://github.com/me/myproj Cloning into 'myproj'... <minutes pass> error: Failed connect to github.com:443; Operation now in progress while accessing ...
0
votes
0answers
352 views

unable to ping gateway and CLAN in Linux but pingable in Windows PC

We're installing RHEL 5.5 for our Voice Portal (Avaya). After configuring the IP address, gateway IP, and netmask we tried to ping it so we could see if it was pingable/active or not. Sadly its ...
0
votes
0answers
471 views

How do I install Red Hat Linux 9.0 Shrike from a USB drive?

I have a desktop PC which does not have a CD drive and does not have access to the Internet or other networks. I want to install Red Hat Linux 9.0 "Shrike" on it using a 8GB USB flash drive. I have ...
0
votes
0answers
368 views

How to install cpp in RHEL 6.3?

I want to install gcc in RHEL 6.3, but it has cpp dependencies. So I go to cpp rpm download page, but it has no rpm for 6.3 version: Is there any other way to install cpp in RHEL 6.3?
0
votes
0answers
732 views

Red Hat Enterprise Linux desktop: constant crashing, unusable, what to do

I'm having constant problems with RHEL recently. My desktop crashes during the day occasionally (once a day roughly) and is hung (black screen) every morning requiring a button-hitting restart. ...
0
votes
0answers
236 views

Redhat Grub not working after Fresh Install

Today i installed redhat on one server this server will be used on DR site as a backup. System has 2 HDD with 500GB space and I created the RAID0 and after that i completed the installation. But ...
0
votes
0answers
68 views

RedHat server packages are never found

I set up a virtual server Red Hat machine but every time I try to use the "yum" command to install new packages, the command works properly but it is never been able to find any package even the ...
0
votes
0answers
5k views

How to mount Windows shared folder on Redhat

Case:: I have to mount the windows shared folder on redhat directory /mnt or anywhere elese. This is the Windows shared folder Path D:\Analytics\Data\DownLoad This path will be mounted on Redhat so ...
0
votes
0answers
30 views

How to upgrade Local Server with Local Upgrade Server

This is the case We have One Upgrade Server and it is connected to Redhat Network and it downloads all the updates. Means it is fully up to date. What I need is that I need to connect the client ...
0
votes
0answers
49 views

Ossec Installation Error

While installing Ossec Hids 2.6 on Redhat 5.5 installed on Virtual Machine, I got this error message. Whats wrong here.
0
votes
0answers
629 views

Changes made to ifcfg-wlan0 doesn't seem to make a difference

I am running RHEL6 on my laptop. The wireless adapter configuration file ifcfg-wlan0 didn't come by default under /etc/sysconfig/network-scripts. So I created it myself. The problem is, whatever ...
0
votes
0answers
1k views

How to install TortoiseHG on RHEL 5.3 from source?

I have been trying to install TortoiseHG with the yum command on my RedHat system and have been struggling. I thought perhaps I should install it from the source. I used the instructions here and ...
0
votes
0answers
1k views

Multiple network adapters with Virtualbox guests?

I'm running VBox under Mac OS with multiple Linux guests (Redhat). Everything works fine except I want to test dual NICs in one of my guests. I'm using host-only adapters and would like to simulate ...
-1
votes
0answers
13 views

Problems with Booting “red hat”. disk volumes issue

I recently installed the Red Hat 6 OS on hp proliant server. This server have 8 hard drives 1TB each. I realized two volumes RAID 5 each having four hard drives (and 2.7TB). On one of the volumes, I ...
-3
votes
0answers
14 views

Use SSH on RedHat installed on Oracle Virtual box

I have installed Oracle Virtual Box and RedHat on it. Can I use SSH or PuTTy from my local PC (Windows 7) to access RedHat locally? If yes then what will I enter in field of Host name? And if no then ...