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

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9
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4answers
3k views

Changing the timestamp of a symlink

I know how to change the timestamp of a regular file: touch -t 201301291810 myfile.txt I was not able to do the same with a symlink. Is it possible? Distro: RHEL 5.8
1
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0answers
182 views

after enabling Xinerama (in AMD condor Dual-Head Graphics Card) the system graphics hangs

I have a problem in my AMD Condor Dual-Head Graphics Card When I enable Xinerama from "System → Preferences → AMD Catalyst Control center (Administrative)" my RHEL Server 6.3 (x64) Graphics hangs. ...
-4
votes
1answer
177 views

Sequence of errors leads to init failure and subsequent kernel panic

We have one Redhat test server installed on Vmware ESXI. And when I boot the server it gave this error. How to solve this issue because due to this error it doesn't boot.
0
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2answers
2k views

What would be the RHEL package corresponding to build-essential in Ubuntu?

I know how to list available packages from the repos and so on, but how can I find a list that matches up equivalent meta-packages, such as the build-essential. Is there such a thing and if not what ...
14
votes
3answers
10k views

how to run new software without updating GLIBC?

I installed Mathematica 9 on an old Red Hat Enterprise Linux AS release 4 system. After the installation, I tried to start Mathematica, but following message came out: ...
3
votes
2answers
769 views

Upgrade zsh on red hat 5 x86_64

My machine is running RHEL 5 x86_64 I'm facing a problem with oh-my-zsh The zsh version on my machine is zsh --version zsh 4.2.6 (x86_64-redhat-linux-gnu) There are no upgrades available via yum. ...
1
vote
1answer
222 views

What is the 'pam-panel-icon' window?

After starting GNOME desktop, a window titled 'pam-panel-icon' appears, initially displayed in the upper-left of the desktop sized as small as possible. It can be resized, minimized, or maximized, ...
7
votes
2answers
6k views

Which of these three commands is telling the TRUE Redhat release information

I was checking for the Redhat release so this time I used three different commands. Two commands gave the same result but the third command gave different result. Which one is right. ...
2
votes
1answer
6k views

What is the easiest way to install Meld on RedHat Linux RHEL 5.4?

My company has RedHat RHEL 5.4 on the Linux box, and I need to install Meld on it. How can it be done? $ sudo yum install meld No package meld available. Nothing to do $ sudo yum search meld No ...
12
votes
1answer
2k views

Why does Red Hat Linux use such an old kernel?

Why does RHEL (and its derivatives) use such an old kernel? It uses 2.6.32-xxx, which seems old to me. How do they support newer hardware with that kernel? As far as I know these kind of distributions ...
8
votes
1answer
1k views

How to stop users from Switching to Root user

I have disabled the root user login from Sshd.conf file so now no one can login using root user even if they know the password SOMEHOW. Now I have 3 users in server ROOT,EMERG and ORACLE. I want to ...
0
votes
1answer
250 views

Mirror RHEL repositories

I'm attempting to install Spacewalk 1.8 with mrepo and create a mirror of RHEL 5&6 packages to use for frequently spun up development VMs. There are several guides that indicate I should use ...
0
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0answers
5k views

How to mount Windows shared folder on Redhat

Case:: I have to mount the windows shared folder on redhat directory /mnt or anywhere elese. This is the Windows shared folder Path D:\Analytics\Data\DownLoad This path will be mounted on Redhat so ...
-1
votes
2answers
119 views

Upgrading the kernel in Redhat Linux 6.0

How do you upgrade the kernel in Redhat Linux 6.0? And how can I confirm whether it is updated or not?
5
votes
2answers
12k views

Does iptables -F permanently delete all iptables rules?

In a RHEL training document, the author says: ...run the following command to disable the firewall on the current system: iptables -F He explicitly uses the word "disable" which to me suggests ...
4
votes
2answers
134 views

Why would I want to create more partitions if RHEL will only recognize up to 16?

During some basic RHEL training, I came across this blurb: Although it's possible to create more, RHEL will recognize only up to 16 partitions on any individual SATA, SCSI, PATA, or virtual hard ...
1
vote
0answers
438 views

How to switch user if the Screen is Lock

Sometime this happen that when I had to do something on server I find that the screen is lock and I dont know the password of that user to unlock it and switch the user. So i need to know that How to ...
1
vote
1answer
2k views

Server inbound email forwarding

I have been struggling to get this to work for a little while now so I have come in the hope of getting a wee bit of help. I am running redhat 6.3, and using the machine as a webserver. My question ...
1
vote
1answer
437 views

Cannot edit crontab

I'm running RHEL 5.6. I type $ crontab -e and all I see is Killed I am, however, able to edit a file (let's say I call it crontab.in) and then type $ crontab crontab.in $ crontab -l and see ...
2
votes
1answer
214 views

RHEL6 not registering correctly when using PXE boot via Cobbler

When I create a RHEL6 server using the DVD media, it works fine. However, we want to do PXE installs. We import the RHEL6 DVD to cobbler by doing the following: $ sudo mount -o loop,ro rhel6-dvd.iso ...
0
votes
2answers
7k views

Why VNC not showing actual Remote Desktop

Ok i installed vnc server on RHEL 5.9 and also installed Tightvnc viewer on windows 7 and from RHEL i started vncserver and assigned the password using vncpasswd. Then from tightvnc viewer i gave the ...
1
vote
2answers
9k views

How to easily install Google Chrome and Firefox on RHEL 5.4 (RedHat)?

I heard that it should be not that hard to install Google Chrome and the latest Firefox on RHEL 5.4. (the OS our company support is only up to RHEL 5.4). It probably requires some make install and ...
0
votes
5answers
664 views

cron job schedule

I created a cron job using * */2 * * * schedule. Can anyone tell me what schedule this refers to? I guess it should execute every 2 hours, but it seems to execute every minute.
0
votes
4answers
3k views

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.
1
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1answer
8k 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, ...
1
vote
1answer
131 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 ...
2
votes
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. ...
1
vote
3answers
62 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 ...
0
votes
1answer
95 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 ...
7
votes
3answers
5k 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 ...
1
vote
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 ...
6
votes
1answer
5k 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 ...
0
votes
1answer
1k 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 ...
0
votes
2answers
374 views

Plugin support for gcc in RHEL/CentOS?

Is there anyway to enable or install plugin support for gcc in RHEL/CentOS?
0
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0answers
29 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 ...
2
votes
2answers
302 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 ...
1
vote
1answer
419 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
847 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.
3
votes
1answer
6k 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 ...
1
vote
2answers
273 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 ...
1
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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 ...
3
votes
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 ...
5
votes
2answers
3k 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 ...
2
votes
0answers
566 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?
3
votes
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 ...
3
votes
0answers
777 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 ...
1
vote
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 ...
0
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0answers
45 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.
0
votes
1answer
155 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 ...
0
votes
1answer
1k 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?