Questions tagged [rhel-6]
Red Hat Enterprise Linux 6
94
questions
1
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0
answers
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Disable TCP keepalive on RHEL6
Is it possible to disable TCP keepalive on RHEL6?
I know the kernel parameters for tuning TCP keepalive timeout are as follows:
net.ipv4.tcp_keepalive_time
net.ipv4.tcp_keepalive_intvl
net.ipv4....
- 111
1
vote
3
answers
695
views
Avoiding users to corrupt and use a script
Is it possible to deny the right to copy files?
I have a script which should be executable by others. They are also allowed to read the file (though it would not be a problem to forbid reading). But ...
2
votes
2
answers
2k
views
LUKS encryption with non-interactive login on RHEL6
I need to have LUKS encryption on this system but during lab development I don't want to have to enter the password at the console each reboot. I'd like a way to set a simple password that can be ...
- 91
2
votes
2
answers
2k
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RHEL 6.5 how to disable cd/dvd burning for users
I have a need to disable CD/DVD burning for users on a RHEL6 machine. I still need to use the optical drive for mounting read-only discs to import data. I just need to make it so users can't write ...
- 91
0
votes
0
answers
711
views
restore rpm to default installed version on RHEL
Is there a way to restore one single package back to the original version shipped with the RHEL OS?
A YUM downgrade just downgrades the package to the previous version located on the repository and ...
- 837
1
vote
0
answers
1k
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install latest gcc on rhel 6 x86_64
I have an RHEL 6 server with gcc version 4.4.7. I wanted to update the gcc version (I think the current one is 4.8). Yum update doesn't work. Also, SO answers for a similar question on CentOS does not ...
- 271
1
vote
0
answers
393
views
can't connect to kvm rhel guest from fedora host over any port other than 22 (ssh)
I have a kvm guest running Red Hat Linux in a Fedora 19 host. Running a ruby app in the guest on port 3000. I can ping the guest, and ssh into it from the host, but I cannot access the app itself. ...
- 111
1
vote
1
answer
6k
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How do you add an ldap group to a system user?
The question is basically the same as : serverfault
I am unable to add a ldap group to a system user. This does not work :
usermod -a -G ldapGroup systemUser
The same with gpasswd command.
The ...
- 15
2
votes
1
answer
593
views
What files must be writable for a password change on a RHEL6 read-only file system?
I have a RedHat 6 system that is intentionally configured to be read-only file system. We use /etc/rwtab to allow certain files to be writable (log files and such). /etc/sysconfig/readonly-root is ...
- 91
0
votes
1
answer
308
views
Cloning HDD to SSD and using a HDD for Data Storage
First time poster with a possibly unique situation:
I've been tapped by my company to setup several new computers with RHEL 6.4. These new machines have a 250gb SSD and a 3TB hdd, and previously came ...
1
vote
2
answers
3k
views
Core dump generation on Linux
Something very perplexing is going on, with respect to my box.
Below are my settings in /etc/sysctl.conf:
kernel.core_pattern = core
kernel.core_uses_pid = 1
In /etc/profile, I have this:
ulimit -...
- 223
8
votes
5
answers
58k
views
Lock screen from command line
How to lock screen and at the time of unlock should ask password? How to do it from command prompt?
I have tried:
gnome-screensaver-command -l
But not asking password at the unlock time.
- 287
26
votes
3
answers
170k
views
How to install rpm file along with its all dependencies?
I'm trying to install HPCC on RHEL based machine.
I have one .rpm file and to install this rpm, I'm using following command:
sudo rpm -Uvh hpccsystems-platform_community-4.0.0-9.el6.x86_64.rpm
I'm ...
- 731
1
vote
2
answers
4k
views
RHEL Desktop: How to install g++?
I would like to install the gcc-c++ package on RHEL 6. When I search for it with yum, I get No matches found.
Searching for it on the web, it seems that I need the workstation sub-channel. However, I ...
- 1,040
4
votes
2
answers
8k
views
How can I use a separate partition to store the VM images in KVM?
I have the following setup on my host
[root@fake ~]# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/sda2 32G 30G 785M 98% /
tmpfs 12G 76K 12G ...
- 1,252
1
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0
answers
200
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List repositories from multiple projects in Trac using mod_python
Currently working on a customized webpage that shows the available projects I have in Trac (1.0.1). I am using mod_python to connect the trac interface. I found a standard page for this, but it didn't ...
2
votes
3
answers
11k
views
RHEL6 NO Longer Supported by Google Chrome, Is there a way around it?
I'm getting an error while trying to update my Google Chrome in RHEL6.
[alexus@wcmisdlin02 ~]$ sudo yum update
[sudo] password for alexus:
Loaded plugins: refresh-packagekit, security
Setting up ...
- 2,894
1
vote
1
answer
121
views
What is the best way to install windows on a rhel 6 machine? [closed]
I have a rhel6 machine in my office. I wanted to install windows 7 on that. My idea was to install a dual booting, however my system admin seems uncomfortable with that. He asked me to install a ...
- 271
1
vote
1
answer
69
views
What aids exist in RHEL v6 to calculate subnets without an internet connection?
The Red Hat version of the ipcalc program is very basic compared with some other versions that are available.
Suppose you didn't have an internet connection and could only use tools that exist ...
- 65
1
vote
0
answers
925
views
How to dual boot RHEL 6 and Windows 8?
The Situation:
I have an ASUS Notebook with Windows 8 preinstalled, i created a new partition and installed RHEL 6 to that partition, but the computer keeps booting into Windows 8 without going into ...
- 111
0
votes
1
answer
102
views
Expand partition on RHEL VM hosted on OSX
I've installed a RHEL6 VM on my mac OSX. The mounted devices (mount on the vm) are:
/dev/mapper/sys-root on / type ext4 (rw,noatime)
proc on /proc type proc (rw)
sysfs on /sys type sysfs (rw)
devpts ...
- 8,390
0
votes
1
answer
1k
views
Any pre-packaged PySide for RHEL?
I would like to install PySide on RHEL 6.3.
I have found an RPM for PySide
Based on my system info:
[tbrannon@oc2417102872 Documents]$ uname -m
x86_64
[tbrannon@oc2417102872 Documents]$ cat /etc/...
- 149
0
votes
1
answer
5k
views
Installing development tools in RHEL 6
I have admin privilege on my office computer (running RHEL 6) which is connected in a network. I was trying to install development tools using the command: sudo yum groupinstall "Development Tools" ...
- 271
2
votes
1
answer
616
views
Dropbox.py on RHEL 6
I'm trying to run a headless install of Dropbox on RHEL 6. The daemon seems to be running, but when I try to use Dropbox's associated dropbox.py tool to control the daemon, it fails to run with the ...
2
votes
1
answer
2k
views
Cannot write samba shares
Running samba 3.5 on Red Hat Enterprise 6.1 I'm having issues sharing two folders. Here is the output of testparm:
[global]
workgroup = DOMAINNAME
server string = Samba Server Version %v
...
- 143
7
votes
2
answers
8k
views
Why would ssh fail to expand %h variable in .ssh/config?
Why would ssh fail to expand %h from .ssh/config?
This used to work and still works except on a RHEL box.
Looking for what the origin of this could be. Is there a setting somewhere that tells ssh to ...
- 1,079
2
votes
0
answers
138
views
how to configure dual wlan at boot on rhel 6
I got a RHEL 6.3 box, with 2 wlan interfaces.
I need wlan to be set at boot.
wlan0 -> connects to NETWORK0
wlan1 -> connects to NETWORK1
How should I setup this ?
I'm not used to ifcfg ...
- 363
1
vote
2
answers
4k
views
How do I set the primary display on rhel 6 with dual displays
I've got a lenovo T410 laptop running RHEL 6.3. When I plug it into my docking station I've got it setup to do dual display, but it insists on using the laptop as the primary display keeping the ...
- 13
2
votes
0
answers
1k
views
Is it safe to disable nmi_watchdog?
I'm using RHEL 6 (kernel 2.6.32-131) and I'm trying to start oprofile, but I keep getting an error. My oprofile version is 0.9.6-12.
I was able to successfully do
opcontrol --init
But when I did a ...
- 603
1
vote
1
answer
452
views
Setting HOME variable in RHEL6 system wide
Where does the HOME variable get set in RHEL6 (SL6.1)?
On one system all users get HOME set to /home/username/, i.e. with the trailing slash, which I don't want, so I need to remove it.
- 113
4
votes
3
answers
2k
views
DNS resolver improvements?
I have recently come across the following configuration of /etc/resolv.conf which is/was supposed to increase the speed of DNS resolution:
nameserver 1.1.1.1
nameserver 2.2.2.2
nameserver 3.3.3.3
...
- 218
0
votes
1
answer
1k
views
Creating IP aliases upon server reboot
I have a server running RHEL 6, and have created multiple IP aliases on it. However, when I restart the server, the IP aliases are gone.
I tried to edit the /etc/rc.d/rc.local file to include
...
- 603
0
votes
2
answers
3k
views
How to display system progress and hide splash screen in RHEL 6.2
I had to force a hardware reboot due to some CPU hungry application. It now hangs at the start-up screen right after the progress circle completes.
I have no way to see what it is doing (checking the ...
- 101
0
votes
1
answer
101
views
Installing RHEL 6 over RHEL 5
My server is currently running RHEL 5. I would like to install RHEL 6 over it. Do I simply install it and will the installation erase everything I have on the server now?
Thank you.
Regards,
Rayne
- 603
2
votes
2
answers
8k
views
Can't mount NFS4 share
I have two directories exported from an NFS server. On my NFS client machine, I can mount one of the directories, using the default syntax, as NFS4. However, the other directory will only mount if I ...
- 141
0
votes
1
answer
1k
views
Update grub for whole disks added to software raid
I have a raid-1 running under rhel6 (/dev/md0) that is mapped to /. It contains two unpartitioned disks (/dev/sda and /dev/sdb). I'd like to be able to boot from either disk. But grub won't let me ...
- 1
0
votes
3
answers
583
views
RAID-1 in RHEL 6; can't get partitioning on identical devices to look identical
I have a RHEL 6 fileserver. It contains two identical 2TB SATA drives. Both are supposed to contain one partition that takes up all the space on the drive (and this used to be the case). When I had ...
- 1
1
vote
2
answers
11k
views
yum install error: protected multilib versions error
I am trying to install the development headers for openssl on a RHEL 6.1 system, but get the following error:
$sudo yum install openssl-devel.x86_64
<SNIP>
--> Finished Dependency ...
- 357
1
vote
5
answers
3k
views
Suggest a good IM client which supports Gtalk, MSN and Facebook chat [closed]
Suggest a good IM client which supports Gtalk, MSN and Facebook chat.
PS: I am using RHEL 6, I have kopete but it doesn't support facebook.
- 275
0
votes
2
answers
2k
views
How to install adobe flash player plugin in RHEL 6?
How to install adobe flash player plugin in RHEL 6? I am using Google chrome.
I have installed adobe-release-i386-1.0-1.noarch and flash-plugin-10.3.181.26-release.i386
Now what to do?
PS: I don'...
- 275
0
votes
1
answer
58
views
Can someone explain the kernel\* in this command?
yum list installed kernel\*
I don't understand how this would differ from "kernel*", or why the backslash is necessary.
- 1
1
vote
0
answers
144
views
Why don't the Back and Forward buttons work as consistently in Thunderbird 3?
During the upgrade of my workstation from RHEL5 to RHEL6 Thunderbird was upgraded from 2.0 to 3.1. I've noticed that the Back button ([) and Forward button (]) don't work as consistently as they did ...
- 3,447
6
votes
1
answer
17k
views
RHEL6 - eth0 not getting dhcp address with VMware Workstation using bridged adapter
I am working with RHEL6 inside VMware Workstation. I have already looked here and here, but am still running into a very annoying wall.
I want to have the network adapter on my VM get a DHCP address ...
- 10.1k
14
votes
6
answers
42k
views
RHEL6 - disable the tiered-progress bar during boot
How do you get RHEL6 to display the "traditional" display of startup information instead of the tiered/stacked progress bar?
The standard info dump is displayed during shutdown.
- 10.1k