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

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6
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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 ...
0
votes
1answer
975 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
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2answers
356 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
28 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
289 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
397 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 ...
1
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0answers
819 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
262 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
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0answers
537 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
731 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
150 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?
1
vote
1answer
1k 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 ...
4
votes
3answers
12k 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.
2
votes
1answer
95 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 ...
1
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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% / ...
0
votes
1answer
237 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 ...
0
votes
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 ...
1
vote
1answer
61 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 ...
0
votes
2answers
2k 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
2
votes
3answers
3k views

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 ...
3
votes
2answers
687 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?
0
votes
1answer
606 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
votes
1answer
164 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 ...
3
votes
5answers
4k views

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 ...
1
vote
2answers
203 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 ...
1
vote
3answers
887 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 ...
2
votes
2answers
209 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 ...
0
votes
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 ...
1
vote
2answers
204 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 ...
2
votes
1answer
1k 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 ?
0
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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.
6
votes
2answers
662 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" ...
1
vote
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
vote
2answers
520 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 ...
1
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0answers
301 views

Negative hdd usage. Available is larger than fullsize

Having issues with space accounting of lvm volume. 23G is available. But the full size of the partition is 20G. (So, it shows "-4.1G used" 0_O) > df -h Filesystem Size Used Avail Use% ...
7
votes
4answers
1k views

What distro is the most similar to RHEL 5?

I'm trying to get used to work with linux for a new job, where I will be using RHEL 5, but right now don't have $179 to buy the workstation version from Red Hat store. What free distro would be the ...
0
votes
1answer
2k views

Starting Udev hangs at boot

We have One SuperMicro server and on that we installed RHEL 5.6 64 bit but after installation it hangs at STARTING UDEV . Any ideas what is stopping it to start and proceed.
0
votes
1answer
4k views

How to change the Name of Logical volume in Volume group

I created an LVM and inside that i created Volume Group and within it created Logical Volume and given the mount point /u001/app/pracle I named it wrong instead of ORACLE i it should have been typed ...
0
votes
3answers
99 views

File Privileges

There is one user Lets call him B and he needs access Just to Read the File MEANS READ ACCESS and that file is own by another user A . How can I grant access to user A's file to User B.
0
votes
1answer
519 views

how to have root partition LVM for RHEL 5.8 64 bit on AWS EC2

I am new to this and I have to create a RHEL 5.8 Amazon Machine Image (AMI) in which the root partition should be a logical volume. I know how to create a data partition as a logical volume but am not ...
1
vote
1answer
274 views

How to generate SELinux policies based on logs?

Afaik there is a solution/software that can automatically generate SELinux policies based on logfiles. I just don't know the name of the software/method that can do this..
3
votes
1answer
1k views

How to configure SELinux using samba? Scientific Linux?

when I'm trying to mount a read-only samba share, then I get this messages on the samba server (and timeout on client side) Nov 5 18:45:49 localhost kernel: type=1400 audit(1352137549.469:17): avc: ...