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

learn more… | top users | synonyms (1)

3
votes
1answer
10 views

Maximum memory usable by a 32 bit RHEL 6 system

I have installed a 32 bit RHEL OS on a 64 bit system. From the wiki page of PAE, The Linux kernel includes full PAE mode support starting with version 2.3.23, with Linus Torvalds mentioning ...
0
votes
0answers
29 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
14 views

Internal secondary hard disk suddenly failing to mount

In RHEL5, my internal secondary hard disk (1TB) suddenly fails to mount after some unexpected power failure and after my system got off. But it's showing in BIOS and while Booting checking as sdb ...
1
vote
0answers
22 views

Installation from USB fails

I have a pretty old Ubuntu 8.04 machine. The machine doesn't have a DVD reader/writer in it. Challenge: Now, the challenge I am facing is to install RHEL6 in this machine. Obstacle 1: I needed to ...
0
votes
0answers
13 views

vdsm service won't start

I am currently evaluating Red Hat Enterprise Virtualization and have managed to set up the management server and the bare metal hypervisor. Now I'm trying to add a regular box running RHEL server 6.5 ...
2
votes
1answer
21 views

RHEL6 Can't make my script run on shutdown and reboot

I'm trying to execute a script in each shutdown and reboot but the script never runs. I created the script baseRhel64 and save it to /etc/rc.d/init.d I did chkconfig --add baseRhel64 I included in ...
0
votes
2answers
36 views

Install rcp on RHEL

I have a Linux Red Hat machine version 6.4 (64-bit). I notice that the rcp command does not exist on my machine (no rcp binary). I also searched in Google in order to find an rcp binary that will fit ...
2
votes
1answer
26 views

RHEL 7.0 can't connect to internet

I'm setting up a new RHEL 7.0 installation (we're running the trial), but I can't get it to connect to the internet from command line. I'm trying to add these repos, as I currently have 0 installed, ...
1
vote
1answer
27 views

SSH slow after configuring TCP Wrappers

We have SSH open on one of our production servers leaving it prone to various brute force attacks to break in. I reduced the attempts by changing the default port from 22. I want to further harden ...
0
votes
0answers
37 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
15 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 ...
1
vote
2answers
65 views

Can't installing RPM package intltool?

I want to install on my Linux Red Hat machine (6.3 64 bit) the rpm - intltool-0.41.0-1.1.el6.src.rpm. For some unclear reason I get this: /var/tmp]# rpm -i intltool-0.41.0-1.1.el6.src.rpm ...
1
vote
4answers
31 views

Detecting RHEL/RPM based distros

I'm trying to write a script to detect if it's being run on RHEL/RPM based distros. I've faced some odd systems configured such that both dpkg and rpm are installed, so doing a which rpm isn't a ...
1
vote
1answer
20 views

Taking the Linux Install CD out during Installation?

I'm installing rhel and need to install a driver during installation. The plan is to 'linux dd' at the boot promt and install then. However, I just wanted to know if there would be an issue with ...
1
vote
0answers
38 views

Error: iptables: No chain/target/match by that name

I am trying to configure proxy server on RHEL Server 6.5 using Squid and iptables. Below is the command I executed and the error message it displayed: vzlptest01 root [root] > iptables -A INPUT -i ...
-1
votes
0answers
23 views

find which files belongs to which user in nfs share

I shared one directory via nfs (nfs share)(rhel5.4) to 3/4 client systems, in all client systems the "root users" logged and created some files and the files are updated in nfs share in nfs server. ...
1
vote
1answer
44 views

Trouble installing lxml with custom install location for libxml2/libxslt

I am attempting to install a python module called lxml to my account on a supercomputer running RHEL. I do NOT have root access or super user status. lxml requires the dev/devel versions of libxml2 ...
1
vote
2answers
223 views

CentOS - install using yum Apache 2.4

I need Apache 2.4 in CentOS because with Apache 2.2 mod_proxy_wstunnel is not possible. I have tried https://fedorahosted.org/SoftwareCollections/ but unfortunately its for RHEL after installing i ...
2
votes
0answers
64 views

tar: /dev/st0: Cannot write: Input/output error

When we attempt to use tar to write data to an LTO-5 tape, we get the following error. The device starts to write, and then fails. See the tar command and output, followed by the dmesg output. I ...
2
votes
2answers
38 views

Is it possible to obtain OS X versions of Unix tools on modern Linux distributions (like Ubuntu or RedHat)?

I have observed that there are often subtle and often annoying differences between the default versions of certain command line tools like paste and sed on modern distributions of Linux versus OSX. ...
3
votes
1answer
141 views

sudo environment: “g++: command not found”

I have a relatively fresh RHEL 6.5 install, on to which I have installed from source GCCC 4.9. After I installed GCC 4.9, I uninstalled the distro-provided older GCC version via: sudo yum remove gcc ...
0
votes
1answer
62 views

What is the foolproof/proper way to set hostname and domain on CentOS

I've seen a few ways of changing hostnames of domain names. One way is to issue the hostname command followed by the name such as: hostname localhost.localdomain /etc/sysconfig/network also has a ...
4
votes
1answer
54 views

STIG (Security Technical Implementation Guides) automation

Has anyone here found the best way to STIG a version of RHEL 6.x automatically? The other answers I have found are either out of date or do not completely STIG the machine. Even an image that has a ...
0
votes
1answer
54 views

Installing RHEL6.5 by swapping RPMs

BACKGROUND So I've been tasked with updating a system from RHEL6.0 to RHEL6.5 via a bootable USB. Due to size limitation, I've stripped (using the rpm -e command to prevent dependency errors) ...
2
votes
1answer
43 views

Red Hat internal specifications

I'm doing a homework assignment for my college, and I'm trying to find the parameters used in kernel compilation on RedHat. My teacher asks: "Analyse and describes in terms of models of each version ...
1
vote
1answer
56 views

Permissions changing on few files under /etc/

It appears that new permissions on /etc/issue and /etc/motd are reverting back to the original even if we change them. This is on systems running RHEL 5 and RHEL 6. Is there any rc script which ...
4
votes
2answers
34 views

NFS: share with all clients except one

I want to share a folder with all the network's clients except only one. This is my current /etc/exports file: /opt/resources *(rw,async) What should I add to prevent the client 192.168.1.24 ...
-3
votes
0answers
17 views

Set SELinux Context on a Directory in Centos

I have no graphical access to my CentOS server, but i need to change a directory SELinux Perm. Directosy Path: /var/www/example.com/public_html/sites/default How to change this directory SELinux ...
3
votes
1answer
22 views

How to configure my enviorment in such a way that a proper (different from the system one) version of library is used

I guess that this question is a borderline between ServerFault and StackOverflow and this site. But I think that U&L is most relevant. I have some C++ code that depends on a library in version X ...
3
votes
1answer
86 views

[RESOLVED]Various programs not working after yum install some packages

[RESOLVED]I found out that the Memory chip cause the problems. I change it and the system work fine now! I'm using RHEL6.0 and encounter the problem that gdb,yum,rpm don't work any more. Perhaps ...
1
vote
1answer
16 views

Kickstart file not being found in VituralBox

I am installing a STIG RHEL on a virtual box and therefore have a custom kick start file in the iso I am using. The iso structure looks like this for the kickstart file ROOT | |----stig_fix ...
2
votes
0answers
32 views

mailx attachment behaviour between RHL 5 and RHL 6

We have a line of code that does this in ksh, to send a file as an attachment in email: uuencode <filename> <filename.txt> | mailx someone@somewhere.com In RHL 5.2 mailx sends ...
1
vote
1answer
37 views

backup user accounts without giving a home directory to them

I am reinstalling the older Ubuntu machines with the latest RHEL 6.0 in servers. I have /etc/passwd and /etc/group and /etc/shadow file backed up for the list of user accounts that I need to create ...
0
votes
1answer
16 views

gnome-session error on rhel (canberra-gtk-module error)

When starting cppeclipse in gnome-session via vnc it appears following error on rh6 canberra-gtk-module not found, module is present in /usr/lib/x64/ also fails when LD_LIBRARY_PATH=/usr/lib/x64/ is ...
0
votes
0answers
35 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
3answers
38 views

find * looks for a file named “*” on Debian but not on RHEL

Where is the difference? Do these distributions handle something differently? Or does the configuration vary? What do I have to compare and adjust? I would prefer find * not to match the wildcard ...
1
vote
1answer
46 views

Globbing with * in Bash - Debian vs RHEL [closed]

Where is the difference? Do these distributions handle globbing differently? Platforms: Debian Wheezy 7, Red Hat Enterprise Linux 7. Bash is always used. In my example, cat prints every file in /etc ...
0
votes
0answers
23 views

Munin Server not making Graphs

On my Central Monitoring Server previously Munin 1.2.5 Server was installed. So now I update the server with latest Munin 2.0.21 and moved the files for /var/www/html/munin to new directory ...
2
votes
0answers
48 views

Java plugin not working with FireFox 24.3.0 on Red Hat Enterprise Linux 5.10

In the about:plugin tab, there is not Java plugin. I have created the symbolic link as suggested. The output of the 'ls -al' command is: lrwxrwxrwx 1 shehab shehab 58 Jun 4 11:21 libnpjp2.so -> ...
-3
votes
2answers
125 views

How should I download Red Hat Enterprise Linux? [closed]

I am aware that RHEL is not free ie Red Hat charges money for the support it gives for RHEL and I am also aware of Fedora project of Red Hat. But I want to experience RHEL in my virtual machine for ...
0
votes
0answers
40 views

Centos 6.5 laptop with multiple KVM on roaming networks

I have Laptop with CentOS 6.5 with 16GB RAM and many KVMs are created for testing purpose. Situation is I have to move from site to site, and due to that physically connected network eth0 to Host ...
0
votes
0answers
52 views

RHEL & SUSE 2014 CPU & storage benchmarking tools

I have hundreds of Linux servers that we need to benchmark the CPU & Storage on. RAM & Networking would also be good. If possible I would to avoid installing a large suite, but not totally ...
0
votes
1answer
19 views

Building rtmpdump on RHEL x86 without yum and no root rights

I have an ssh connection to a RHEL x86 machine, and I can't use yum and I don't have root rights. Is there a way to still install rtmpdump? By looking at this tutorial, it seems that installing ...
0
votes
0answers
9 views

Munin not Showing text

I installed munin server 2.0.21. Previously 1.2.5 was installed but I saved the configuration files and removed the old one . Then I install 2.0.21 Munin Server and 2.0.21 Munin-node and after ...
0
votes
0answers
16 views

RHEL boot partition size during auto-installation

We are installing some servers with same RHEL image. During the installation, all but one, have got no problem and had boot partition in size of 250M. The one server, after the installation has ...
2
votes
2answers
58 views

Command similar to netstat -np but grouped by state and PID?

Is there a command similar to netstat -np but grouped by state and PID? I'd like to know the current count of server connections in a particular state grouped by Programs. similar to, 102 squid ...
0
votes
2answers
54 views

IPtables reset on reboot, how do I tell what is causing this

Using RHEL, and I have had some "Cyber Security" people work on my server. I'm now using this server in a completely closed environment with no outward network connection, and would like my iptables ...
1
vote
2answers
121 views

What commands are available in the %pre section of a Kickstart file on CentOS?

Environment: CentOS 5.5 and 6.4 I have a request to analyze the hardware before installation to make sure our customers don't install our software on sub-standard server hardware. For example, ...
0
votes
1answer
57 views

routing based on source IP [closed]

Is it possible to configure routing based on source ip? For example, if I have source IP 10.0.0.0, then all the traffic will go via the specific interface or would be sent to specific default gateway. ...
0
votes
2answers
43 views

php-mysql not working

I'm running on RHEL6. I have installed php and php-mysql. <?php phpinfo(); ?> is working perfectly. But I can't connect to MySQL is there a way to confirm that php-mysql is not working on my ...