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

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2
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1answer
608 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
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0answers
145 views

Xauthority problem

User1 has his home directory on NFS that's mounted by machine1 and machine2, both of which are running Redhat 6.4. If I ssh -Y user1@machine1 and run gedit, I get "X11 connection rejected because of ...
1
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2answers
507 views

Should I move a binary used by a non-root user from /usr/bin/ to /usr/local/bin/?

I have gone through a related thread here. A colleague of mine has copied the phantomjs binary to /usr/bin. In our system, this binary will be used only by a non-root user. At the moment, the regular ...
0
votes
1answer
355 views

Installing vlc on rhel6

As my first step downloaded vlc-2.1.5.tar.xz. after extracting ran "./configure" there comes this monster "configure: error: Could not find lua. Lua is needed for some interfaces (rc, telnet, http) ...
1
vote
1answer
321 views

How to setup reverse FTP in RHEL?

Researched: http://www.thecave.info/export-proxy-username-password-linux/ http://stackoverflow.com/questions/5334110/text-based-ftp-client-settings-behind-a-proxy http://www.cyberciti.biz/faq/linux-...
1
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0answers
4k views

Device already mounted or resource is busy

Issue ::: I install Redhat 5.10 x64 on server which had faulty hdd . I removed the old faulty hdd and installed new one with 500GB capacity and after installation i need to copy some data from old ...
3
votes
1answer
882 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 ...
0
votes
1answer
313 views

Mediawiki error: File upload not working

I've installed Mediawiki v1.24.1 on my server which is running RHEL7. I've installed it under /var/www/foohelp/wiki. However, when I try to upload a file, I get the following error: [f3eae72a] /...
1
vote
1answer
1k views

RHEL openssl conflicts

I am stuck installing PHP 5.5 (to support wordpress) on RHEL 6.3 (Santiago), I think the server was not set up correctly (contractor) and I have ended up with a copy openssl from ius as opposed to ...
1
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0answers
149 views

how do i build / apply an selinux policy file, on redhat 7?

I'm trying to install RabbitMQ on Redhat Linux 7 (RHEL7). I followed the instructions on the RabbitMQ site, and it installed fine. However, it won't run because SELinux is preventing Erlang from ...
1
vote
1answer
32 views

Accessing system after GNOME failed

I have difficulties to access GNOME in Scientific Linux 6.5 I did try to set automatic login following wiki.archlinux. In /etc/gdm/custom.conf I added: [daemon] AutomaticLogin=username ...
1
vote
1answer
2k views

Installing RPM packages with circular dependency

I'm trying to follow an article to enable smart card login on my RHEL 6.6 desktop. When I attempt to install coolkey-1.1.0, it says ccid and pcsc-lite is needed. When attempt to install ccid-1.3.9.7,...
2
votes
2answers
2k views

RHEL 7 (CentOS 7) security / ssh / sshd_config advise requested

I am not a sysadmin and try to create a more or less secure web server (LAMP based CentOS 7). I read several tutorials about setup an initial CentOS 7 droplet and got everything running fine. ...
0
votes
1answer
62 views

Deleting text selection in VNC cuts it instead of deleting it

I have a VNC session running and I'd like to share the clipboard between the two systems bidirectionally. The operation that's failing is where I take a URL from my desktop's web browser, go to my vnc ...
0
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0answers
242 views

Howto create debuginfo package for sub-package defined in spec file on RedHat?

For example. zabbix.spec has subpackage zabbix-server-mysql, but rpm -ba only create zabbix-debuginfo. How to create zabbix-server-mysql-debuginfo? I found a url:https://build.tizen.org/package/...
3
votes
2answers
301 views

Is there a correlation between CentOS and RHEL versions?

I am trying to install an HP NC364T (4 port ethernet adapter) onto a machine running CentOS 7, however HP only supplies drivers built for RedHat, SCO, SUSE, Sun and Solaris. I know CentOS is intended ...
1
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2answers
2k views

Installing MySQL on CentOS throws error that cannot find mysqld.sock

I have yum install mysql in CentOS 6.4. Now, when I use mysql command, it throws the following error: ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld....
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0answers
49 views

Investigating Active MemInfo

I am seeing high Active usage when I do a cat /proc/meminfo : MemTotal: 65965328 kB MemFree: 51640992 kB Buffers: 1050332 kB Cached: 8516112 kB SwapCached: 0 kB Active: 11512732 kB Inactive: 1878028 ...
2
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0answers
77 views

Linux Apache VM Port Issue

I have a RHEL VirtualBox VM in bridged mode so it can be accessed from the LAN. RHEL hosts an HTTPD server configured to listen on ports 80, 8080 and 8181. netstat -an | grep :8 confirms that port 80, ...
3
votes
3answers
9k views

How can I determine if an NFS remote is exporting a directory?

In my script, I have several layers of statusing: remote is available (ping) remote NFS service is active remote NFS is exporting a certain directory remote NFS is mounted (mount) For (2) and (3), ...
0
votes
1answer
166 views

/usr/lib/python2.4/site-packages/cElementTree.so: wrong ELF class: ELFCLASS32

yum update There was a problem importing one of the Python modules required to run yum. The error leading to this problem was: /usr/lib/python2.4/site-packages/cElementTree.so: wrong ELF class: ...
1
vote
1answer
289 views

Yum can't download, but curl is fine?

I'm creating a local copy of rpmforge on a RHEL5 host. # reposync --repoid=rpmforge --download_path=/var/www/html/yum # cd /var/www/html/yum/rpmforge; createrepo --database . I have a repository ...
1
vote
1answer
474 views

Problem running “selinux sandbox” with java

I am trying to sandbox a java application using selinux sandbox. System details: Redhat 6 | x86_64 | no x server install | jdk7 from oracle tar.gz version | cgred and cgconfig are stop The cmd ...
1
vote
1answer
433 views

Rhel 7 not booting up

I recently installed rhel 7 on my laptop as dual boot (with windows 8.1) in UEFI mode. After the installation I cannot log into redhat. The gnome desktop starts to load and then it goes to a black ...
0
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0answers
148 views

Input is disappearing in emacs

I am currently running the latest version of emacs on RHEL 6.6. The issues I am having is that sometimes when I type input, some of the input randomly disappears and will then reappear when I ...
0
votes
1answer
811 views

tar command not found on rhel6

I am trying to download a file in rhel6 and use tar to uncompress it. I am running this on docker. I get a wierd error saying : /bin/sh: tar: command not found 2014/12/22 19:32:21 The command [/bin/...
0
votes
1answer
708 views

`yumdownloader --source` can't find srpm on rhel 6.5

yumdownloader --source prints either No Match for argument or No source RPM found. Switching "Enabled" "1" or "0" has no effect. [vboxuser@okdemohost ~]$ yumdownloader --source gcc Loaded plugins: ...
0
votes
0answers
100 views

Unable to trap “CTRL+C” within kickstart “%pre” bash script

I'm using an interactive pre-installation bash script in a CentOS-7 kickstart image. I was trying to use "trap" to catch user Ctrl+C (SIGINT) and run some code as follows: trap_ctrl_c() { #Some ...
0
votes
4answers
114 views

Cannot use “firefox” command to run latest firefox

I have download firefox version 34 from Mozilla website. Next, I extracted the tar archive, and moved it to the Desktop. Now, when I run the following command: Desktop/firefox/firefox the version ...
1
vote
2answers
140 views

dhcp without dns: ping `hostname` not working. Auto add hostname to /etc/hosts?

On RHEL 6.5 how to make my own hostname locally resolvable, if my ip address is dynamic and not registered in DNS? I know, it's possible to add dhcp hook scripts. Is there a similar way to hook the ...
0
votes
1answer
576 views

Dropbox doesn't work on scientific linux

Installed dropbox on scientific linux (command line only) several months ago and it has been working fine. I installed it for one user, and I control it using the CLI dropbox.py. Recently I ...
1
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0answers
283 views

Utility to list and modify kernel modules loaded at system startup

How do I list all kernel modules loaded while system startup? Is there a user space utility to list and modify the modules loaded during system startup? I am working on RHEL6 Desktop and RHEL6 Server....
2
votes
0answers
25 views

Error occuring resgiter the Redhat 6.4?

I'm trying to register the Redhat from RHN Registration. This report the bug There was an error while populating the profile This error shouldn't have happened. If you'd like to help us improve this ...
0
votes
1answer
129 views

firstboot starts Xorg with wrong command line

After installinx nx server, gnome and setting run level 5 in inittab, nx can't connect to X server, but after killing Xorg it can. Looks like I have to accept the license to get rid of firstboot, but ...
1
vote
0answers
149 views

Can't modify or delete SELinux user

I was playing around with user_u in the targeted policy on RHEL 6.5. I'm logged in as root in the unconfined context, so I have full ability to change anything I want. I've also switched to ...
1
vote
1answer
168 views

Where are the systemd configuration Files?

How do I enable particular units in particular targets? Once enabled, where is the configuration stored?
1
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0answers
144 views

Using a VPN client as a VPN gateway

I would like host 1 to use host 2 as a gateway to the remote host 3. I have scoured the web looking for a solution, but it doesn't seem to work for me. VPN client software is ike (shrewSoft VPN) is ...
3
votes
0answers
416 views

Why does saving a KVM-QEMU VM requires additional memory?

I have three VMs running on Red Hat Enterprise Linux with 8 GB RAM, each of the VMs has 3 GB allocated, and I also run a 512 MB VM. If we also consider the guest OS's memory usage (usually 1.5 GB due ...
2
votes
1answer
24 views

Fedora / RHEL association list?

My Google-fu is failing me! Does a list exist publicly that identifies which Major (Minor?) versions of Red Hat Enterprise Linux are spun from which Fedora versions? Does Red Hat even release that ...
2
votes
1answer
185 views

Start Application on Start up

I am currently using RHEL 7.0 for our project. I have an embeded application which I want to run on boot up. I have an exe file for the same. I have tried using the systemctl command but it has not ...
1
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0answers
98 views

How to set one job to run at precise time with anacron without losing config at next upgrade?

I want logrotate to run at a precise time daily. Currently it is set to run at some random time using anacron and I don't want to change the randomness factor for all the other jobs. I have ...
-3
votes
1answer
832 views

rhel 6.5 yum update error

#yum update ^[[3~Loaded plugins: product-id, security, subscription-manager This system is not registered to Red Hat Subscription Management. You can use su ...
0
votes
2answers
2k views

bash NOT reading .bashrc on RHEL 6

machine A --RHEL 7 and updated. machine B -- RHEL 6 and updated. If I do this on A (RHEL 7) ssh B I get in, like I should, but my .bashrc has NOT been run. This is new behavior to me. I want ...
2
votes
1answer
347 views

SIGTERM not working occasionally

We use the regular /etc/init.d/jboss stop to stop the jboss on our machines. But at times, it does not stop the process and we get what is pasted below. When this happens we kill the process with a ...
6
votes
1answer
26k views

How to run a cron job to execute every minute?

I am trying to create a directory having timestamp in its in name in the /home directory. I have created the following cron job as root user. But it's not running. What am I doing wrong? Following is ...
2
votes
1answer
552 views

Is it possible to mount two different external nfs filesystems into 2 directories with the same radix (overlapping)?

I'd like to know if it is possible to mount two different external filesystems via nfs into two directories that overlap. Do the overlaping directories cause any issues? /usr/proj/projectA /usr/proj/...
0
votes
1answer
65 views

How change server and repositories setting after red hat was installed?

During install Red Hat 6.5 x64 it asks about server type and repositories to select. Is it possible (and safe) to change these settings later via command console?
0
votes
1answer
26 views

Is it possible whole Partition with same structure in Linux

Well one of my colleague installed fresh OS Redhat 6 on already in use test server. Now we got in trouble and needed to recover whole partition which is already formatted during new installation. Is ...
1
vote
1answer
46 views

Confusion regarding generating self signed certificate for application portal developed using liferay

We have a Application Portal developed using Liferay bundled with tomcat. There are two application servers running liferay and we use httpd as a front-end which forwards requests to application ...
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0answers
260 views

Creating Self signed certificate for tomcat 6

I am trying to configure self signed certificate for our tomcat server. For that initially I created the keystore certificate file using keytool . The command I tried for this is keytool -genkey -...