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

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2
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2answers
1k views

Activate WiFi on runlevel 3 startup

I am running SL6. During GNOME session, the wifi is connected as soon as I login, however the same does not happen until I login. The situation further worsens in runlevel 3 where the wifi is not ...
3
votes
1answer
578 views

Can't get past EFI to install RHEL on HP Itanium Server

When I am trying to install RHEL (6.3, 5.8, 4.8) on an HP Integrity Server rx2660 Itanium with 4GB RAM, I keep getting to the same point which is Loading file efi\boot\initrd.img...done After that ...
6
votes
1answer
941 views

force re-negotiation of PCIe speed on Linux

I'm working with PCIe Gen 3 cards and from time to time they seem to fall back to PCIe 1 or 2 speeds (according to lspci and also observed by the throughput). When rebooting/power cycling the machine ...
2
votes
1answer
985 views

How Do I use autofs to map a USB drive by its ID?

Goal I have a USB drive -- let's say the drive's ID is /dev/disk/by-id/thediskid I would like to mount the drive -- by ID -- to a folder (let's call it /MOUNT_FOLDER) Question What is the best ...
0
votes
2answers
197 views

Critical Memory [duplicate]

Possible Duplicate: free: output format My Redhat server shows the following: free -m ============= total used free shared buffers cached Mem: ...
7
votes
2answers
12k views

Effect of entries in /etc/securetty

By default on RHEL 5.5 I have [deuberger@saleen trunk]$ sudo cat /etc/securetty console vc/1 vc/2 vc/3 vc/4 vc/5 vc/6 vc/7 vc/8 vc/9 vc/10 vc/11 tty1 tty2 tty3 tty4 tty5 tty6 tty7 tty8 tty9 tty10 ...
1
vote
1answer
275 views

Map caps to esc for RHEL 5?

I have an older version of RHEL. In newer versions, there is usually an option to map the caps key to the esc key. How would I do this in an old version? Going to System Preferences -> Keyboard -> ...
2
votes
1answer
813 views

Resize window to half screen width in KDE 3.5

I am using a legacy version of Red Hat that uses KDE 3.5.4. I do not have the ability to install additional software. I have become rather addicted to the modern windowing feature of snapping to ...
-2
votes
3answers
760 views

how to check for disk in use on rhel

How to check if a disk is in use? If in use, How to check free, used space before I can start using it? I'm trying this in Perl and Any help is appreciated.
2
votes
1answer
472 views

Boot in rescue mode with vlan support in RHEL

I am trying to restore RHEL OS (5.3.1.1) from network, where we have VLANs configured on our switches. So the only way to get to shared folder on remote server with backup image is to configure VLAN. ...
1
vote
0answers
887 views

Printing failure at a network printer in linux

I added a network printer to my network by the RedHat Enterprise workstation 6 linux GUI. It seemed that the printer setting did find the network printer. However, whenever I tried to print, the job ...
3
votes
1answer
6k views

Creating an ext4 partition fails with “invalid blocks count”

Environment: - Virtual machine on VMWare ESX 4.0 - OS: fully up to date RHEL 5.8 After adding a new (virtual) disk I want to create an ext4 partition on LVM on this disk. Steps taken so far: $ sudo ...
4
votes
2answers
914 views

Is there a way to install and remove packages in a single yum command?

Is there a way to add and remove packages at the same time with a single yum command? For example, installing postfix and removing sendmail without running two separate commands/transactions.
5
votes
5answers
998 views

ssh command unexpectedly continues on other system after ssh terminates

I'm running the below command, and monitoring the output file on the other system: ssh $ip_address 'for n in 1 2 3 4 5; do sleep 10; echo $n >>/tmp/count; done' If I kill the ssh command ...
5
votes
2answers
2k views

ssh localhost without password doesn't work on Fedora 14

I performed: $ ssh-keygen -t dsa -P '' -f ~/.ssh/id_dsa $ cat ~/.ssh/id_dsa.pub >> ~/.ssh/authorized_keys then in /etc/ssh/sshd_config changed StrictModes to no and restarted sshd. And I ...
1
vote
3answers
434 views

I changed my hostname, rebooted and lost internet connection

I set a new hostname on my machine using: sudo hostname NEWHOSTNAME Then I restarted, and tried accessing the internet and nothing happened. I checked the hostname and it was set to ...
3
votes
3answers
2k views

Temporary restore LVM snapshot of root

I have a snapshot of the root filesystem that I want to boot with - bring the machine into a state it was a few days ago, run some tests and then go back to where I am right now. I tried editing ...
3
votes
0answers
455 views

How to get hgk working on RedHat Linux?

I plan to get hgk to work.However, no matter how I configure the redhat linux, it still does not have any response. Here is information for my machine. RedHat 5.3 Mercurial 1.8.1-1 I installed ...
1
vote
1answer
703 views

No yum repos on Red Hat Enterprise Linux Server release 5.2 (Tikanga)

I have a Red Hat Enterprise Linux Server release 5.2 (Tikanga) system and there is only one repository named rhel-debuginfo.repo and it doesn't seem to work either. Could you point me out some ...
5
votes
2answers
779 views

Is it possible to create a directory and file inside /proc/sys?

I am running CentOS 6.2 and I need to create a subdirectory named "crypto" inside /proc/sys. Inside /proc/sys/crypto, I need to create a file named test which contains the value "1". I have tried ...
1
vote
1answer
3k views

DNS Issues on RHEL 6

I'm experiencing some DNS issues on a new RHEL 6 virtual machine. Ping is working fine to an IP, but the machine is unable to resolve any names. I've tried adding Google's DNS servers (8.8.8.8 and ...
4
votes
3answers
462 views

Is there is tool similar to ShiftIt on OS X?

I'm looking for a keyboard controlled window sizing utility similar to ShiftIt on Mac OS X: https://github.com/fikovnik/ShiftIt
0
votes
0answers
901 views

How to install TortoiseHG on RHEL 5.3 from source?

I have been trying to install TortoiseHG with the yum command on my RedHat system and have been struggling. I thought perhaps I should install it from the source. I used the instructions here and ...
2
votes
2answers
4k views

Resolve missing package dependencies when trying to install octave

I am trying to install the octave software package on a RHEL 6 Workstation. I have installed the epel-release 6.5 package to enable the EPEL package repository. When I try to install the octave using ...
2
votes
0answers
507 views

“Remote function call interrupts” (CAL in /proc interrupts). What is it?

I'm running a test program which generates a large number of threads and asynchronous I/O. I'm seeing very high counts of these interrupts in /proc/interrupts, the program cannot scale beyond a ...
1
vote
0answers
110 views

How to recover a multiboot configuration after having installed Windows 7?

I've installed Windows 7 and XP on my laptop. After that, I installed RedHat 5. Now the problem is that I'm not able to load my RedHat. What should be done to fix this problem?
15
votes
7answers
5k views

Is there a difference of stability between Linux distros?

I've using Debian since 2010 for some home purposes and it has been stable. Is Debian still a good option if I need a server for heavy network, cpu, disk and memory usage? Last month I listened to ...
2
votes
5answers
6k views

Why isn't Red Hat Enterprise Linux Desktop free?

Why isn't Red Hat Enterprise Linux Desktop free? Isn't it a Linux OS? If it is, so why is not free? http://www.redhat.com/products/enterprise-linux/desktop/
4
votes
2answers
23k views

How to configure SSL in apache?

I have installed apache in RHEL 6. Everything is working fine. What all changes and configurations should be done to use https://localhost:443/. If I change the "Listen 80" to 443 it is throwing an ...
1
vote
1answer
2k views

How to enable dual booting option at boot screen?

I have two hard drives, 160GB and 500GB. On the 160GB I have installed RHEL 6 and on the 500GB, Windows 7. When I start, the hard drive which is set as primary is booting directly. I have set the ...
7
votes
3answers
6k views

Getting the password expire time

Let me preface this with: I do NOT have root access available. I recently got locked out of my account because I did not know the password expiration was getting close, then elapsed. I want to add a ...
1
vote
2answers
969 views

RedHat Linux Space Usage Problem

I recently downloaded something on my Redhat Linux computer, and it told me I was out of space. I checked my disk usage, and it says I've used 100% of my folder, but as you can see I still have almost ...
5
votes
1answer
501 views

Run script when specific users logout

I need to run my application in screen when specific users are logged out and kill the screen when someone from my user list logged in. So I am thinking about bash script, which will be called ...
11
votes
4answers
16k views

can we know the password for the other users if we have root access?

If a person has root access to a particular RHEL machine, will they be able to retrieve the password of the other users?
1
vote
3answers
5k views

How to switch “/” back to writable mode without reboot?

[root@SERVER .ssh]# mount|grep -i " / " /dev/mapper/rootvg-root_lv on / type ext3 (rw) [root@SERVER .ssh]# mount -o remount / mount: block device /dev/rootvg/root_lv is write-protected, mounting ...
6
votes
3answers
44k 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?
1
vote
2answers
2k views

Can I mount NTFS flash drive on linux

Hi I'm using RHEL 6 an WIN 7. I have a flash drive of 16GB. To copy the files which are above 4GB size I changed it to NTFS(FAT32 is allowing only file size below 4GB). But now I am not able to use in ...
2
votes
2answers
715 views

Can we use the exe files in RedHat 6 as we do in UBUNTU

in Ubuntu we can use .exe file using wine software. Is there any such software in RedHat so that we can use .exe files?
1
vote
0answers
95 views

Some of the users login screen do not display colors

In my lab I have Redhat Enterprise Linux 5 server. Users log in through telnet for C programming Some of the users' login screens display colors, while some other users login screen do not ...
0
votes
1answer
91 views

Finding Stalled or Failed Updates on System

I was wondering if there is a way to grep through systems to find old updates that have stalled or failed. I am using RHEL 6.
1
vote
2answers
4k views

Partitioning for Web Servers

I was curious what some general best practices are in relation to partitioning for a new Linux VM that will be used as a web server? Are there certain guides that should be consulted or followed? ...
1
vote
1answer
185 views

rpm and deb fileformat are blocked by my ISP. How to install software?

I have a very peculiar problem, Just be patient with what I am saying and then see what all suggestion you can give me. I have situation where my ISP has blocked .rpm and .deb files to be downloaded. ...
1
vote
3answers
723 views

How to disable password prompting for automatic updates on Red Hat

Basically, I have the opposite problem of this guy. I would like my updates to be installed in a transparent way : I'm tired of entering my password every time. I'm running on Red Hat (6.2 to be ...
0
votes
0answers
37 views

How to make unused dependencies clean with yum? [duplicate]

Possible Duplicate: How can I remove Orphan Packages in Fedora? I need something equal gentoo's emerge --depclean so how to make unused dependencies clean with yum?
5
votes
2answers
38k views

Static IPv4 & IPv6 configuration on CentOS 6.2

I try to configure static IPv4 & IPv6 configuration on CentOS 6.2. The configuration below works perfectly : # ifconfig eth0 x.x.x.x/29 # route add defalt gw x.x.x.y # ip addr add dev eth0 ...
1
vote
1answer
123 views

Why are directories created with permissions 2070 and files with 060 in a directory with setgid bit?

I have the following directory: $ ll -d neptune drwxrws---+ 5 beamin psych 4096 Mar 7 16:18 neptune $ getfacl neptune # file: neptune # owner: beamin # group: psych # flags: -s- user::rwx ...
3
votes
1answer
456 views

Can I force notify-send to appear on a different monitor?

I am using notify-send to present occasional information to my users. However, in a two-monitor setup, notify-send always maps the window in the lower-right corner of the right monitor. The users ...
2
votes
1answer
129 views

Why does SELinux allow me to read this file?

I appear to be misunderstanding the security levels/categories within SELinux. I have attempted to configure a file that I have read access to (via DAC), but no read access to via SELinux categories. ...
0
votes
0answers
1k views

Multiple network adapters with Virtualbox guests?

I'm running VBox under Mac OS with multiple Linux guests (Redhat). Everything works fine except I want to test dual NICs in one of my guests. I'm using host-only adapters and would like to simulate ...
1
vote
4answers
1k views

SFTP server on RHEL6 disconnects on ls

I've followed the steps outlined here to create a chrooted sftp environment. Everything works great EXCEPT for the command ls. When I do an ls, with any of the flags, I get disconnected ...