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

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Scientific Linux 6.3 run evince in SELinux sandbox

I'm trying to run evince in the SELinux sandbox: sandbox -X /usr/bin/evince Unixforpoets.pdf but after waiting for minutes nothing happens, console doesn't outputs anything. So I collected the ...
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67 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 ...
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1answer
492 views

install latest gcc on rhel 6 x86_64

I have an RHEL 6 server with gcc version 4.4.7. I wanted to update the gcc version (I think the current one is 4.8). Yum update doesn't work. Also, SO answers for a similar question on CentOS does not ...
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1answer
304 views

Why do I have to stop/restart cups in redhat linux in order to use a custom filter?

A colleague wrote a filter utility for me in ruby that allows me to print barcodes from a textfile. (The filter replaces @{blah} with the proper PCL and a barcode checksum character so that "blah" ...
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1answer
181 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 ...
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255 views

Yum update shows “Killed”

When I update my RHEL with yum update commend, it list all update packages, and after I hit Y for yes, got following response. Running rpm_check_debug Running Transaction Test Transaction ...
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1answer
22 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 ...
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1answer
611 views

Install RHEL 5.7S on machine with 4TB disks

I'm getting errors about GPT when installing OS using kickstart. The Dell R720 has 8x 600GB SAS. I can't figure out what to configure in BIOS and kickstart file. In BIOS, there're boot options of ...
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817 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 ...
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1answer
410 views

Can you create a volumegroup in LVM that all the Logical volumes created under it will be thin provisioned?

I would like to know if it is possible to create a volumegroup in LVM that all the Logical volumes created under it will be thin provisioned? This will be used on RHEL 6 which does include thin ...
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1answer
294 views

how to add shortcut keys to custom.desktop in RHEL6?

i have created custom.desktop in the /usr/share/xsession directory for launching single application. i want to add one or two desktop shortcuts along with the single application.
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881 views

Oracle 11g R2 on Redhat 6

I have a Solaris background, and I am new in RHEL, and I want to install Oracle 11g on it. I downloaded Oracle documentation, that illustrate how to install it for RHEL 6. The following or later ...
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1answer
2k views

NFS Mounting Error

From ServerA I shared directory /u001/app/oracle/FolderA and trying to mount this on SeverB under /media Contents of ServerA /etc/exports file /u001/app/oracle/FolderA ServerB(rw,sync) When I ...
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1answer
372 views

Location of dhclient.conf

I need to check the client DHCP settings, which I expect to be in the file /etc/dhcp/dhclient.conf, but there is no such files there. What is the location of this file in RHEL 6, on 64 bit?
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1answer
349 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 ...
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1answer
119 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 ...
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25 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. ...
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1answer
355 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 ...
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80 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 ...
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2answers
40 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. ...
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1answer
198 views

Startscript: using $! to create pidfile - returning wrong pid (off by one) occasionally

We have 3 instances of redis running on a test server. For some reason, our start script which starts redis can write the wrong pid to a file. Here is what it's doing: su redis -c "redis-server ...
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2answers
2k views

Problem Starting MySQL on new Centos 6 build

I have a VPS with ChicagoVPS that's running Centos 6. Official version of the build is: Linux RedHat 6.5(Final 2.6.32-042stab078.26 x86_64) I followed this guide to add the repository and ...
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1answer
159 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 ...
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1answer
1k views

Installing ksh as the standard shell in Redhat: Foolhardy?

I'm not a system administrator, but my organization is considering replacing /bin/sh in Red Hat Enterprise Linux 6+ with a hard link to /bin/ksh. How foolhardy would this be? The background to this ...
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66 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 ...
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2answers
2k views

Some Ossec agents not able to communicate with OSSEC server

I have installed Ossec on one server and agents on some other servers running on Redhat. The issue is that some servers are able to communicate and send the logs to servers and others are in INACTIVE ...
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1answer
69 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 ...
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2answers
646 views

How to make RHEL Workstation to boots up faster?

I am using RHEL 6.4. Problem is it takes too much time to boots up? Can you say, what can I do to be out of this situation?
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2answers
377 views

Set internet connection order or preference

I have SL 6.3 installed on two machines. Machine A is a workstation and has two interface eth0 and wlan0. Using eth0, it is connected to Machine B (public facing server) with static IP address. Both ...
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1answer
294 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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3answers
2k views

List all RPM packages installed from repo “X”

How can I get a list of all of the RPM packages that have been installed on my system from a particular repo (e.g., "epel")?
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414 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 ...
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1answer
46 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 ...
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2answers
6k views

How to fix boot failure due to incorrect fstab?

It seems that I have added incorrect record to /etc/fstab: //servername/share /mnt/share cifs defaults,username=myuser 0 0 When I did mount -a, it asked user password to mount network ...
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2answers
37 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 ...
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3answers
36k views

How can we change root password?

If we don't know the root password and don't have root access to the machine, how can we change the root password?
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1answer
62 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 ...
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1answer
19 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 ...
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1answer
23 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 ...
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0answers
42 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 ...
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1answer
18 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 ...
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1answer
38 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 ...
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39 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 ...
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2answers
2k views

How to extend LVM in RHEL 5.6

I need to extend the LVM on one server. This is the output of df -h: Filesystem Size Used Avail Use% Mounted on /dev/cciss/c0d0p2 58G 26G 29G 48% / ...
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2answers
4k views

On Red Hat Enterprise Linux 6.2 how can I use Python 2.7 as default not Python 2.6? I did but still showing 2.6?

RHEL 6.2 I have python 2.6 but I need default python 2.7 using yum packaging (so that nothing goes messed up, cause its a heavy duty working system, all I need the python 2.7 on it, without messing ...
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3answers
41 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 ...
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1answer
53 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 ...
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24 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 ...
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1answer
104 views

Installing PCRE 32bit on RHEL 5 - resolving dependency for apache 2.4 install

I need to install Apache 2.4 32bit version on RHEL 5. I am not installing 64bit apache because the application running on the RHEL5 machine needs apache 32bit (or that's what I thinks because of the ...
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64 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 -> ...