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

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How to verify if the Language is installed

Is there some command for Redhat Linux that can tell me whether the Arabic Language is installed on Redhat 5.6 Server.
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1answer
7k views

Public key not found for RPM

I am trying to install package on Redhat 5.5 using YUM but it always give me this error [root@redhat64 Desktop]# yum install perl-Net-Server-0.97-1.el5.rf.noarch.rpm Loaded plugins: rhnplugin, ...
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1answer
123 views

How to Update only important Security Packages in redhat 5.6

One of our client has Redhat 5.6 and he is asking to update only the important packages. But question is how do we know which are the important packages. Note:: It will be a partial Update not ...
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3answers
2k views

How to install Redhat using the iso image stored on Network

This is the case. I want to install the Redhat 5.6 on my system. But this time i dont want to use the actual DVD but this time i want to install it using the iso image stored on one of our server HDD. ...
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3answers
61 views

execute file in server more safely?

We have a application which takes a C++, C, or Java file as input, executes it, and displays the output to the client. What are the best measures that can be taken so that no security related issues ...
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1answer
94 views

Does RHEL 6 enforce software constraints on the number of SATA drvices that can exist on a system?

I came across the following blurb in some RHEL 6 training documentation: The number of drives that can be installed on modern computers has increased. With port multipliers, it's relatively easy ...
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3answers
4k views

Why is the theoretical RAM limit for RHEL 6 128 TB and how is this determined?

I'm studying for RHCSA and am confused by a statement I came across in some training material: There is no practical maximum RAM, as theoretically, you could run 128 TB of RAM on RHEL 6. But ...
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1answer
1k views

What is rsh.rlogin and How to remove rsh.rlogin

I never heard of this word rsh and also received a check list from Security pro that we have to disable rsh. Can someone please tell me what is this rsh and how to disable it. Base OS : RHEL 5.5 and ...
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1answer
4k views

autofs mounts not disconnecting after inactive

I have autofs installed on several linux servers that are connecting to central NFS server for the users /home directories. It works great when mounting the directories on login, but the mounts never ...
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1answer
914 views

What does m represents in VIRT column using TOP command

When we run top command it shows all the processes information. But under VIRT column there is m written against some values what does that m represents, is it MB . If yes then why it is only showing ...
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2answers
335 views

Plugin support for gcc in RHEL/CentOS?

Is there anyway to enable or install plugin support for gcc in RHEL/CentOS?
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0answers
27 views

How to upgrade Local Server with Local Upgrade Server

This is the case We have One Upgrade Server and it is connected to Redhat Network and it downloads all the updates. Means it is fully up to date. What I need is that I need to connect the client ...
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2answers
280 views

Where did Redhat derive from?

Where did Redhat derive from? Did it derive directly from Linus Torvaldis linux distro (2 years earlier) or did it have roots in BSD or System-V ?? I am just wondering how to classify Redhat in the ...
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1answer
380 views

Need help to configure my NIC in Redhat

I am trying to set a larger buffer size in my NIC card. I am following the instruction provide by Intel link, but i think it didn't made any changes. [root@redhat-enterprise-test01 admin]# rmmod ...
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0answers
776 views

How to Disable AutoMount of External Drives

Is it possible to Disable auto mount of External Harddrives or USB's in RHEL. For security reasons I have to disable this feature. And when I need it I will enable it back.
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1answer
5k views

How do I configure the network interfaces persistently in CentOS so it will survive a reboot?

I configured a network interface with the following commands: ifconfig eth0 up ip addr add 192.168.9.1/28 dev eth0 route add default gw 192.168.0.1 This works. However, when I reboot the machine I ...
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2answers
250 views

How to view Graphical view of Application using ssh [duplicate]

Possible Duplicate: How to forward X over SSH from Ubuntu machine? Is it possible that I can view the GUI of application when I pass some command to Redhat linux Server using ssh. Like when ...
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0answers
1k views

Can't ping first IP with dual NICs on different subnets with multiple gateways

I have two NICs assigned to a server. eth0 - 10.199.10.0/24 w/ a GW of 10.199.10.1 eth1 - 10.199.20.0/24 w/ a GW of 10.199.20.1 From my desktop, I can ping the IP assigned to each NIC just fine ...
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2answers
4k views

How to install emacs using YUM without X11 libraries?

I have installed a minimal installation of CentOS 6.3 inside a VirtualBox VM. Now, I would like to install Emacs for use from the command line only. When I do a search for emacs using yum search ...
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2answers
2k views

How to continuously take backup of log files?

I have some applications in Lunux which creates Log files of around 41 MB each. The log files switches from log.1 to log.2 and starts overwriting log.2 once this 41MB is completed in log.1 file. I ...
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0answers
495 views

How to edit rpm's HEADER and NAME-VERSION-RELEASE

Is there's a way or a tool that can modify the HEADER and the NAME-VERSION-RELEASE for an existing rpm without installing/rebuilding it?
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1answer
2k views

How to change the properties of a desktop panel from the command line?

I use RHEL 6 as my regular operating system and for one of my user accounts I made one of the desktop panels as auto-hide and other as a fixed panel. I expected the hidden panel to appear above the ...
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0answers
681 views

recommended procedure to create a user/group during RPM install

after trying hard to search for RPM best practices guides and finding virtually none, to my surprise, I resort to the community - I need to ensure that some users and groups exist after the ...
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2answers
2k views

How to check how many External Hard Drives are connected to Linux Server

Is there a way to distinguish between the Internal Hard drives and External Hard drives. Actually i need to see how many External hardrives do we have and to which server are they connected . This ...
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44 views

Ossec Installation Error

While installing Ossec Hids 2.6 on Redhat 5.5 installed on Virtual Machine, I got this error message. Whats wrong here.
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1answer
144 views

How to check that gpg checking is correct on RHEL based machines or not?

How can I check that the "enabled=1" repositories have "gpgcheck=1" in the "/etc/yum.repos.d/" directory (and the "gpgkey=" file exist or not?)? Q: I'm searching for a solution to do this ...
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1answer
991 views

How to bring the ZTE K3806-Z 3G under RedHat Enterprise Linux 6 to life?

since my other thread was closed: ZTE K3806-Z 3G RHEL 6 I opened a new one: Did anyone managed to bring the ZTE K3806-Z modem to life (with vodafone) on RHEL 6? How to do it?
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1answer
931 views

Need to change the mount Point of LVM /u001/app/oracle to /u001/

This is the situation.I installed the RHEL 5.5 on client's system and created LVM mount point at /u001/app/oracle and now he has installed DB on /u001/app/oracle. He is asked me to change the mount ...
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3answers
10k views

How to clear memory cache in Linux

Is there any command that by using I can clean the cache in RHEL? I used this command: sync; echo 3 > /proc/sys/vm/drop_caches but it didn't work.
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1answer
94 views

Is there a way to find out when an OS instance was installed on a host?

I am currently using RHEL 5.8 and SunOS 5.10 at work and Fedora 16 at home. Is there any way to find out the date when any or all of those OS instances were installed on a host? The reason I want it ...
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2answers
3k 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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1answer
225 views

What does White space mean when you mount ISO

I mounted redhat dvd media and I named in redhat.iso. And when i mounted it and did ls it showed /media/RHEL-5.6 i386 DVD. What does this space mean between 5.6 and i386 and DVD. Because Im ...
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2answers
2k views

Upgrade Redhat using Command Line

I have 5.5 installed on some servers. Now I need to upgrade it to 5.6. I did it by using RedHat 5.6 DVD media using GUI. But my question is: can this be done without restarting the server and booting ...
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1answer
60 views

What to include in an RPM created from python packages

I'm looking to create a rpm for this tarball and couldn't figure out which files needed to be included in the package after the install. I am used to compiling some code and including the binary ...
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2answers
1k views

How to upgrade Redhat 5.5 to 5.6

We have two server running on RHEL 5.5. Now we have to upgrade it to 5.6 What are the steps to upgrade it and also the prerequisites
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3answers
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redhat vs debian/ubuntu system architecture (& not deb vs rpm)?

What are the key areas (except package management) where Fedora/RHEL/CentOS differ from Debian/Ubuntu Linux systems? I'm asking this from a newbie's perspective to the Linux admin world so that I can ...
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2answers
641 views

Installing yum packages by pattern

I want to install all openoffice packages. Passing openoffice* obviously wouldn't work, because it'd look at file system. How can I do that?
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1answer
553 views

How to copy a folder from remote machine to my system using ssh or any other way

Hi I need to copy a folder of size 885 MB from a remote machine to my system using ssh and port no is 1500 What is the command I can use to accomplish this path of remote folder is ...
2
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1answer
160 views

Why are the timestamps on files so old on my newly installed system?

I installed the Red Hat Enterprise Linux 5.6 on a client system today. If it is of any concern, it's running on the bare metal. After the installation was completed, I did ls -ltr / and it showed a ...
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5answers
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How to find out what version of RHEL I'm using?

I work in an environment where we are slowly transitioning machines from Red Hat Enterprise Linux 5 to RHEL 6. I need some of my scripts to do something subtly different on RHEL6 machines to what is ...
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2answers
196 views

Tracing RHEL system hack

I have an RHEL 5.7 installation in the lab and someone changed the root password (either by linux single or some other mode). I would like to identify how was it done and basically be able to identify ...
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3answers
794 views

open a already running process

I have 64-bit RHEL 2.6.18-238.el5 running. I access the machine through vpn. I started an application via terminal and while application was running there was disconnection in vpn which closed my ...
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2answers
207 views

How do I rename multiple files [duplicate]

Possible Duplicate: How can I rename a lot of files using a regex? I've got some files named abc-10.5.3.1-1.x86_64.rpm abc-compiler-10.5.3.1-1.x86_64.rpm abc-10.5.3.1-6.x86_64.rpm ...
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1answer
1k views

How to vgscan in RHEL 5.8 rescue mode?

I want to increase the journaling size of an EXT3 FS: /var. I booted up a RHEL 5.8 DVD, and tried the "linux rescue" mode. The problem is that the original install that has the mentioned /var FS is ...
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2answers
197 views

Missing float function in awk on RHEL 5.8

Why is float missing in awk on my RHEL 5.8? Was it replaced by some other function? On Solaris: echo "Foampile=123" | awk -F"=" '{ print float($2) "<->" $1 }' returns 123<->Foampile ...
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1answer
912 views

How can I list my `at` jobs by date?

I am using atq command, but I need to list my at jobs by date. How is that possible ?
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2answers
3k views

“system-config-network-tui &” doesn't work

When I try to edit or assign the IP using this command: system-config-network-tui & Terminal opens a console which is uncontrollable, just like this: This happens on CentOS and Red Hat.
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2answers
629 views

How to choose LUKS encryption when installing RHEL 6?

With the default RHEL 6 installer, how can I choose the LUKS encryption? Afaik if I prepare the disk like cryptsetup luksFormat -c cast5-cbc-plain -s 128 /dev/$DEVICE could be the "fastest" ...
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0answers
30 views

Time Machine Server on Fedora [duplicate]

Possible Duplicate: How can I (and should I) use my Linux file server as a Time Machine backup server for my Macs? I was just wondering if anyone knew how to/or knew of a good guide to ...
1
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2answers
489 views

Synchronize the files from One folder of a Server to other

I need a script in which Files of One server will be copied to other folder of another server ONLY AND ONLY IF the file on SOURCE SERVER file doesn't exist on DESTINATION SERVER. Further Detail ...