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

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2
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1answer
67 views

Is there a more proper place than /etc/rc.local for writing to configure binfmt?

I want to be able to run clr (>NET/mono) exes on my redhat machines, so I add the following to /etc/rc.local: echo ':CLR:M::MZ::/opt/mono-head/bin/mono:' > /proc/sys/fs/binfmt_misc/register This ...
1
vote
4answers
678 views

Fedora or OpenSuse? which one takes me to redhat/centos family philosophy

I know questions like this are quickly closed according to your rules but this question is not about which one is better. I have criteria as a Ubuntu user who wants to take a RedHat certification. My ...
3
votes
2answers
50 views

debian/watch for Fedora

How do Fedora maintainers track new versions of upstream package sources? Is there anything like debian/watch in the Fedora/Red Hat world?
2
votes
1answer
1k views

Using tcpdump to extract NFS RPC contents

Fairly simple question... I'm running tcpdump and trying to analyze the contents of the TCP packets between server/client. I see the "GETATTR" RPC being received, which is great! However, I want to ...
0
votes
2answers
428 views

GCC compilation - where the __stack_chk_fail@GLIBC_2.4 symbol comes from?

I'm using GCC 4.7.2 from devtoolset package on CentOS 5 (CentOS 5 because we need compatibility with old Linuxes, and GCC 4.7 because it optimizes better than 4.4). There is one symbols that prevents ...
1
vote
1answer
175 views

Running `build-locale-archive` causes my ssh session to terminate

I had previously asked the question, How do I reduce the size of locale-archive?, and got a great answer to my question, but when I execute build-locale-archive I get disconnected from my RHEL6 host. ...
0
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0answers
53 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 ...
4
votes
1answer
1k views

How do I reduce the size of locale-archive?

I have a need to reduce the size of the locale-archive file on some of my RHEL6 systems. Here is that file on my system: [root@-dev-007 locale]# ls -l total 96800 -rw-r--r--. 1 root root 99158704 ...
3
votes
1answer
151 views

Odd behavior with a gzip compressed file

I've got a very bizarre issue occurring with a Redhat system. We have a Gzip-compressed TAR file that contains hundreds of small text files with absolute paths. It's only 8 MB. We copy this file to a ...
2
votes
1answer
306 views

Is many consoles in securetty file a risk?

I got a problem So I expect you can give me an answer. I have to evaluate the security of a RedHat server. The idea is review the /etc/securetty file to ensure that only the console tty is listed. But ...
0
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0answers
1k 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 ...
1
vote
1answer
186 views

Public key for git-…rpm is not installed

When attempting to install git (and probably other packages), I get this error: $ sudo yum -y install git Installing: git x86_64 1.7.11.3-1.el6.rfx ...
2
votes
1answer
2k views

Resolve dependencies installing rpm packages

I am using RHEL6 Hi i have created the yum repository, i downloaded the snort rpm package from their website when i tried to install the rpm its thorws error e.g. snort-2.9.5.3-1.f18.i386.rpm ...
2
votes
0answers
719 views

Script stops command in it with exit 0

When I write a bash script similar to this on RHEL 6, if [ "$2" = "" ] ; then echo vip.start: ERROR: no NIC specified echo vip.start: Need IP and base interface name exit 1 fi case "$1" ...
0
votes
1answer
220 views

Equivalent of openvswitch-brcompat on Fedora/RHEL/CentOS

On Debian & Ubuntu, the openvswitch-brcompat package will install Open vSwitch bridge compatibility support. Is there an equivalent package on Fedora-based distros like RHEL and CentOS?
1
vote
1answer
726 views

How does RPM handle file locations?

I am trying to create a .spec file for creating mapserver as an rpm package. I am building on an RHEL6 64-bit server. I am a bit new to the whole concept, so bear with me if I am not seeing something ...
2
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0answers
1k views

Error building Oracle client 11g R2 on RHEL 5.5

We are trying to install oracle 11g R2 64 bit in Rhel 5.5 machine ( 64 bit ). Kernel version is 2.6.18-194.el5. We are getting the below error while installation. error in invoking target 'mkldflags ...
1
vote
1answer
123 views

How to create LV

I want to create some LV in my VG I have this: LV Name /dev/vg_appli/lv_grt LV Size 10,00 GB LV Name /dev/vg_appli/lv_sap LV Size ...
1
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1answer
2k views

What is the IPV4_FAILURE_FATAL ifcfg directive and under what scenarios would I want to use it?

CentOS / RHEL 6 I recently learned that there's a ifcfg directive called IPV4_FAILURE_FATAL exists for use in the files located here: /etc/sysconfig/networking-scripts/ifcfg-*. But I'm having a ...
0
votes
2answers
713 views

Error 404 Munin page not Found

I installed Munin and munin-node on Server and httpd was already installed. But after installed when i run the munin-node the Browser gives me this error. Not Found The requested URL /munin was not ...
2
votes
1answer
563 views

Yum can find a package, but can not install it

How is it possible? [root@server1 ~]# yum search diy Loaded plugins: product-id, rhnplugin, security, subscription-manager This system is not registered to Red Hat Subscription Management. You can ...
1
vote
1answer
489 views

RHEL - permanently unmask all sub-folders and files

I'm new to RHEL, and I'm having issues unmasking a collections of directories. I have a folder where content will be generated content from a python script. The subfolders will exists for a period ...
1
vote
2answers
284 views

Hugepages in linux - how to make sure that java process will start using hugepages

I'm running java server on Red Hat Enterprise Linux Server release 5.9. Recently I started to use HugePages as it has some advantages I would like to use. System was configured correctly (as many ...
0
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2answers
619 views

Does Yum have an equivalent to apt / aptitude's DEBIAN_FRONTEND=noninteractive?

On Ubuntu you can use something like this: export DEBIAN_FRONTEND=noninteractive sudo -E apt-get update Which will prevent things that require input (choosing grub versions or conflicts between ...
0
votes
1answer
76 views

How to generate kernel crash dumps? [duplicate]

I have X running on terminal 1 and terminal 2 on my RHEL 6.4 system. If i randomly switch between tty1 and tty2, the system crashes. I need to generate crash dump file to analyze the issue. How can I ...
2
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2answers
54 views

What alternative backends does sudo support and how is it configured?

When preparing for the Red Hat Certified Engineer certification examination, I came across this quote in my study notes about the sudo command. By default, the policy is maintained as a flat text ...
2
votes
1answer
1k views

Switch between windows & tabs in Linux? [closed]

do we have keyboard shortcuts to switch between tabs or windows, am looking for shortcuts similar to of those available in windows (ctrl + tab to switch btw tabs & Alt + tab to swtich btw ...
1
vote
1answer
364 views

How to use 32 bit compiled shared object (.so) file on 64 bit RHEL?

I have a shared object file libfault.so for my 32 bit compiled application on RHEL 6.4. I want to preload this file while starting my application. I have placed it in /usr/local/lib/ directory. But ...
0
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0answers
181 views

PUIAS 6.4 four monitors working xorg.conf

Fox, I would like to make this post in order to save the time to people who would like to use 3-4 monitors on PUIAS 6.4 (RedHat 6.4 clone). My Lab just got some Dell Precisions T1650 with few ...
0
votes
1answer
709 views

Cannot create new service with xinetd in RHEL6

I've installed the Nagios on My RHEL 6.4(x64) machine. and i added one more module name called "NSCA" for some central monitoring solution.so the setup required add NSCA service detail under xinetd. ...
1
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1answer
115 views

Gibberish Characters in Redhat

On one RHEL Server I installed Arabic Language support but if browse some Arabic or Urdu Language sites it is showing gibberish characters. So I downloaded some fonts and copied them under ...
9
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2answers
682 views

How to prevent fork bomb?

To prevent fork bomb I followed this http://www.linuxhowtos.org/Tips%20and%20Tricks/ulimit.htm ulimit -a reflects the new settings but when I run (as root in bash) :(){ :|:&};: the VM still goes ...
8
votes
2answers
406 views

Temporarily change time

I need to test aspects of my software that only happen at certain times of the day. Rather than waiting whole days (and getting here at 2:00 AM), I'd like to change the time. But I'd rather not ...
-2
votes
1answer
125 views

How can we make the server overloaded? [closed]

In college systems, the server running the rhel, and the nodes which are used by the students are running the windows xp are connected to the server by LAN cables. But I want to slowdown the server, ...
2
votes
2answers
628 views

how to add line in a /etc/sudoers file with the help of shell script (50servers)?

Anyone can help me with shell script, I want to know script which can edit /etc/sudoers file and let me add {{{{{userid ALL=(root) ALL}}}} to 50 server I have on same network?
0
votes
1answer
804 views

problem with installing packages

I get these messages when I run this command: # yum install pcre pcre-devel php php-common php-gd php-cli php-mysql flex bison Loaded plugins: product-id, refresh-packagekit, security, ...
5
votes
1answer
353 views

How can I make the eth1 up and always available for remote access, where eth0 will be used for host to host IPSec VPN?

I am running Amazon EC2 instance with Red hat enterprise linux, where I have two network interface. Now: eth0 is currently active having public ip where I am remotely logged in via SSH, to ...
2
votes
1answer
413 views

Can I use yum to manage a “package” installed from source

I am running CentOS 5.5. I need to upgrade some packages to newer versions, unfortunately they're not available. I am stuck building from source. Is there a simple way to use yum to manage ...
1
vote
1answer
522 views

Attempting to detect acceptable LDAP base DN defaults for various directory servers in a bash script

Basically, I'm writing a script that determines an acceptable default for a base DN when pointed at a particular hostname. I'm wrapping it around ldapsearch output. I can do Active Directory by ...
5
votes
2answers
8k views

How can I get TLSv1.2 support in Apache on RHEL6/CentOS/SL6?

I'd like to have TLSv1.2 support in Apache on my Scientific Linux 6 (RHEL6 rebuild) server. Is there some semi-supported pathway to getting this working? Preferably with minimal custom rebuilding. ...
1
vote
1answer
143 views

How do I configure the driver for eth0 so I can use a kickstart file over the network?

I am trying to use a kickstart file hosted over the network to install Oracle Linux 5.8 (equivalent to RHEL 5.8 I believe). I am using the following at the boot prompt: linux ks=http://1.2.3.4/my.ks ...
0
votes
1answer
49 views

CentOS - acts abnormal every week and causes my whole setup to be down, how can I rollback / restore back to one week?

I have CentOS and Red hat enterprise Linux running, where I have now working Google Apps Engine and related other Python web applications. Every week or depending on any Google Apps Engine latest ...
1
vote
1answer
4k views

With SSH X11 forwarding (`ssh -X`), get `Can't open display` trying to run X applications

I'm able to login to sever using ssh -X Hostip but when i run the command xclock it give me this error Error: Can't open display: localhost:11.0 I check my Display value using echo $DISPLAY ...
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0answers
81 views

RHEL6 LDAP client not listing all the groups

Using sssd I have a RHEL6 client configured to login using LDAPS. The login works, but if the user logged in is assigned to more than 1 group at the LDAP level, groups only returns 1 group? Could I ...
1
vote
1answer
194 views

Thread id on different linux distros

We have a server application which runs fine on ubuntu and the old Mandrake linux, but it consistently fails on Redhat Enterprise Linux (to be precise RHEL 4 Update 8, kernel 2.6.9-89). On RHEL the ...
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vote
2answers
2k views

mount.cifs is giving Permission Denied Error

Im trying to mount the Windows Share on one of Our Redhat 5.9 Server. I use this command mount -t cifs //hostIP/Folder /share2 -o username=alpha,password=blahblahblah And mount.cifs //hostIP/sales ...
1
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1answer
139 views

Samba Shared Folder

I want to share a folder on my RHEL to all windows users. My requirements are: users need to access from windows users need read only access no authentication required What I have tried: Samba ...
1
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2answers
3k views

df command not showing correct values

This is a RHEL server, I'm running a MySQL server on it, the database and log files (however, logging is disabled) are located on the /srv directory where plenty of space is available. Recently I had ...
4
votes
2answers
418 views

When running to a run level does it execute previous run levels?

If I tell my system to go to run level 3 does that mean that it first runs through run level 0, 1, 2, and then finally runs through run level 3? I thought the answer to this question was yes. But ...
3
votes
2answers
872 views

How to control thinkpad_acpi via procfs, RHEL 6.4

I'm having trouble with the thinkpad_acpi module on my Thinkpad T400. While the processor temperature can vary, depending on the CPU activity, from 40 to 85 deg. Celsius, my fan speed remains almost ...