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

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4
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1answer
651 views

allowing users to access certain ports on server

I have an RHEL 6 system which has 20 users. I have 20 ports on which separate versions of a service is running. I want user a to access port a, but not other ports. Is there a way to do this? ...
0
votes
4answers
1k views

Why does `make install` not produce an rpm?

A little Preface: I'm unable to copy+paste between my Windows PC and a Linux machine that I'm viewing through VNC Viewer and yes the Share Clipboard option is enabled in VNC Settings. Thus I came ...
0
votes
1answer
12k views

telnet: connect to address 127.0.0.1: Connection refused

I am using RHEL 6.0 and when i type the given command in terminal telnet 127.0.0.1 6000 I am getting output as: Trying 127.0.0.1... telnet: connect to address 127.0.0.1: Connection refused Why ...
1
vote
0answers
135 views

SNMPV3 traps are not being captured correctly

I have configured master agent (snmpd.conf/snmptrapd.conf) of SNMPv5.5 on RHEL6.3 server to support SNMPV3 traps, but when I try to generate a snmptrap and capture the trace through tcpdump, I still ...
0
votes
0answers
514 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 ...
1
vote
2answers
263 views

RPM specfile for C/C++ project: how do I know how to fill in Requires and BuildRequires fields?

I have several C/C++ projects with sources and makefiles and I'm trying to pack them into rpms. Defining the dependencies for the created packages has become a problem for me. Concretely I need to ...
1
vote
1answer
235 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 ...
1
vote
1answer
303 views

What problems should I expect when adding a CentOS yum repository to RHEL?

I've added the CentOS 6 Updates yum repository to my RHEL 6.4 machine. That's because RHEL doesn't ship with the php-snmp package - and the easiest one to find is on the CentOS site. Anyways, this ...
0
votes
2answers
1k views

different checksum of original file and copied file

I am running a script that copy a file from one location to other. In script I am calculating MD5sum using below command of original file and copied file and they are different: echo -n "file" | ...
0
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0answers
290 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 ...
-2
votes
1answer
419 views

RHEL6: Failed Dependencies when installing a package

Hi I'm getting errors when forcing to install unixODBC package on RHEL 6 here is the following error: http://flic.kr/p/jBEFvP I don't know where to get the following packages that were needed by the ...
2
votes
1answer
2k views

cat file to multicast

I have a text file (test.txt) which represents captured network data. The actual protocol is text-based, with NULL line endings, so this isn't a problem. I need to run this test captured data ...
0
votes
1answer
76 views

Similar to solaries prstart -t command in linux

What is a similar command in Linux for the command from Solaris: prstat -t I am interested to get user vice resource consumption (i.e. memory and processor). It gives NPROC UserName SWAP RSS ...
1
vote
2answers
3k views

How to recover missing Grub File

On my test system. I was doing some testing and i move the grub.conf file from /boot/grub/ to /opt/ And on boot black screen came as expected with just grub> written on it. I tried to solve it using ...
1
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2answers
5k views

Distro for high end video editing

Which distro would be most suited for maximizing hardware to perform expensive video editing and optimize resources. I followed up with optimizing resources, as in some cases one operation may not be ...
3
votes
4answers
20k views

How do I know that my rpm installation of a package was succesful?

I downloaded the rpm for dos2unix and installed (on RHEL 6, 64 bit) like this [root@xilinx Downloads]# rpm -ivh dos2unix-5.3.3-5.ram0.98.src.rpm 1:dos2unix warning: user mockbuild ...
0
votes
2answers
6k views

unable to search and install dos2unix pakage

I have RHEL 6 , 64 bit OS. I need to istall dos2unix for this version. I could not find rpm file for RHEL 6 86_64 bit , so I tried like this: [root@xilinx acme]# yum search dos2unix Loaded plugins: ...
0
votes
1answer
608 views

Error updating firefox: Error: Package: xulrunner-last-26.0-2.el6.remi.x86_64 (remi)

This is my first time with RHEL. I am using RHEL 6, 64 bit. I want to update Firefox, so I downloaded firefos for 64 bit. Here are the files I got: [root@xilinx firefox]# ls application.ini ...
1
vote
2answers
15k views

Why is yum not installing my softwares on RHEL 6 ?

I am trying to install avr-gcc using yum on a RHEL 6. But I get this error. [root@xilinx etc]# yum install avr-gcc Loaded plugins: refresh-packagekit, rhnplugin There was an error parsing the RHN ...
1
vote
0answers
263 views

How to get back a lost session in RHEL : Using NoMachine

I logged in remotely to RHEL using NoMachine. Suddenly it got stuck and I have to close the NoMachine client. When I logged in again using NoMachine I can't see the old session (I can't see same ...
1
vote
1answer
32k views

Uninstall JDK rpm to reinstall

Where do I find the JDK install to uninstall? @terdon had explained using an rpm type download so it would be easier to uninstall, but I cannot find it.
2
votes
0answers
356 views

Permanently enable scl for RHEL6 RedHat

RedHat provides a way to install packages with newer versions of packages than officially supported with Software Collections. After the installation of a software collection it is necessary to enable ...
0
votes
1answer
169 views

why debian repository does not contain lokkit?

I was using lokkit in redhat, and I want to use it in debian, but it seems that debian doesn't contain it...
2
votes
1answer
872 views

How do I reset RHEL6 to autocreate home directory upon login?

I am using a RHEL6 host that is set up using LDAP for authenication. Upon first login it is supposed to create the home directory for the user (e.g. /home/gisle where gisle is my login username). I ...
1
vote
1answer
244 views

Replacement for TCT's pcat utility [duplicate]

I am looking for a utility to dump the memory of a running process that I can then examine for strings. In the past I have used pcat from The Coroner's Toolkit, but I am having a hard time finding a ...
0
votes
1answer
658 views

CheckInstall on CentOS

I am attempting to make CheckInstall on a clean version of CentOS however I am having difficulty, I receive the following error: [root@host checkinstall-1.6.2]# make for file in ...
1
vote
3answers
92 views

Yum not working

When I try to execute yum I get this: My guess is I need to start the Ethernet connection because I cant ping and this is what what we do with SL6. I'm new to CentOS that is why I ask. I've ...
6
votes
3answers
7k views

Installing Git, Curl, and Expat from Source

I have a RHEL 6.4 VM provisioned by my companies internal KVM. We are having some trouble using yum (Cannot retrieve repository metadata, which Ive confirmed in this case is peculiar to my company's ...
2
votes
1answer
4k views

Automatic login still doesn't work after editing custom.conf

As the title suggests, I've edited /etc/gdm/custom.conf to show the following: [daemon] AutomaticLoginEnable=true AutomaticLogin=username Where username is obviously the username I'd like to ...
5
votes
3answers
26k views

Movie Player requires additional plugins to decode this file

I'm using RHEL 6 .Newbie to Linux. I'm unable to play the video using Movie Player. It shows an error, Movie Player requires additional plugins to decode this file. The following plugins are required ...
4
votes
1answer
699 views

Is it possible to insert image in gedit in Linux?

I'm using RHEL. Totally new to Linux. I want to insert an image in gedit, but I'm not able to do so. Also I'm unable to install LibreOffice because they are asking for a subscription. Any alternate to ...
1
vote
3answers
168 views

What is the difference between lhome and home, and is it causing my SSH key authentication to fail?

I have RHEL running on a system with my account having the root privilege. My home directory is in /lhome/myusername. If I try to add any user their home directory is created in /home/newuser. What ...
0
votes
1answer
242 views

rails command getting removed from $PATH after resume from hibernet

i came across a very strange issue. i have installed rails through rvm & tested the installation. next day when i logged into system neither ruby nor rails command was found. I reinstalled ...
1
vote
3answers
2k views

Installing PostgreSQL 9.0 on RHEL 6.4 (How to get Yum to Include a version of OpenSSL I built from source)

I receive the following errors from yum install postgresql90-server: Error: Package: postgresql90-9.0.15-1PGDG.rhel6.x86_64 (pgdg90) Requires: libssl.so.10(libssl.so.10)(64bit) Error: Package: ...
2
votes
1answer
2k views

undefined symbol in /usr/lib64/libGL.so.1 when using ssh

I frequently use ssh to a computer with redhat using the Y option so I can forward the windows. I always saw errors like this one /usr/lib64/firefox/firefox: symbol lookup error: ...
3
votes
0answers
4k views

WBC_ERR_DOMAIN_NOT_FOUND only for a specific account

Platform: RHEL 5.10 Version: Samba 3.6.6-0.136 Only on a single VM, one of my co-workers is able to log into the VM using his AD credentials without issue, whereas my account appears to have trouble ...
1
vote
1answer
401 views

USB flash drive file transfers seem to hang multiple times during file transfer

I've got Scientific Linux 6.4 Installed (RHEL6.4) and am having trouble transferring to and from USB flash drives... Transfer seems to hang multiple times during transfer to the device, and transfer ...
0
votes
2answers
350 views

Calculating CPU time of process in RHEL 5.3

For a process management,I would need to remove a process that exceeds a certain amount of CPU time, for example 1 hour.In PS command ,it has TIME parameter shows the total CPU time of a process .So ...
1
vote
1answer
12k views

Upgrade to latest version of firefox in RHEL 5.6

I have RHEL 5.6 (32 bit OS) in my system. I have firefox (17.0.10) installed in my system. I tried to upgrade the firefox to the latest version. First I did, yum update firefox and got no packages ...
0
votes
2answers
1k views

What is the difference between DISPLAY :0 and :0.0? [duplicate]

What is the difference between DISPLAY :0 and :0.0? On RedHat 5.8, I can right click the desktop to start a shell and DISPLAY will be ":0". If I go to the Menu-System-Terminal to start a shell then ...
12
votes
4answers
8k views

What are the dangers of creating a normal user with UID < 500?

What are the dangers of creating a normal user with UID < 500? Assuming the UID's are not duplicates of existing UID's, what could go wrong? This is not something that I want to do, but something ...
1
vote
1answer
1k views

startx from mac osx to RHEL6

I am trying to get a GUI over ssh -X. My RHEL6 server did not have X Window System and a graphical desktop environment. So I installed using yum groupinstall "X Window System" Desktop. It installed ...
0
votes
1answer
2k views

RHEL - Login screen not showing

I have a RHEL 5.6 system which shut down unexpectedly due to a power failure. I restarted the machine to figure out if something is wrong. However, the machine is not showing the login screen. It is ...
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votes
3answers
1k views

RHEL- mysql installation error

I am trying to install mysql in my RHEL 5.6 machine. I use the command yum install mysql. However, I receive the below error message. Transaction Check Error: file ...
4
votes
1answer
7k views

TCP buffers keep filling up (Recv-Q full): named unresponsive

Using netstat -an, I set the message that the Recv-Q is full. It is filling up to the rmem_max: Active Internet connections (servers and established) Proto Recv-Q Send-Q Local Address ...
2
votes
3answers
169 views

How do I find out which RPM was used to install PHP?

I have PHP installed on a server and I'd like to know which RPM it was build off of (webtatic or remi). How do I find this out. Also, how would I find out if and when that changed?
1
vote
2answers
6k views

Could not open /dev/vmmon: No such file or directory

I've installed VMWare Player 6.0.1 build - 1379776 on a Red Hat Enterprise linux Server release 6.1 Beta ( Santiago ). When I attempt to start my virtual machine, I get the following the error: ...
0
votes
2answers
233 views

Local mail delivery not working

We are using RHEL 6.1 server. We need to send a mail from server to local domain (tcs.com). we are using mail command for this purpose. [bsoauser@hsluabsoa ~]$ echo "hi" | mail -s "test" ...
3
votes
1answer
922 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 ...
7
votes
4answers
1k views

How to list all the files used during Linux boot

I would like to get the list of files that are used during the process of Linux boot. We are developing the protected enterprise system based on the RHEL 6.4. The integrity of specified files will be ...