Questions tagged [redhat-enterprise-linux]
Use for questions about Red Hat Enterprise Linux (RHEL), a Linux distribution from Red Hat intended for enterprise use. Note there are version-specific RHEL tags for questions unique to a specific version. Use a product-specific tag for questions about other distros in the Red Hat family, like Fedora or CentOS.
35
questions
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6
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How do I make sudo preserve my environment variables?
Using sudo 1.7.4p4 on Solaris 5.10 and sudo 1.6.7p5 on RHEL4 u6 I can't see how to preserve my environment variables, for instance $PYTHONPATH. I've added this line to sudoers, but it doesn't make any ...
- 9,408
20
votes
1
answer
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What does NOEXEC flag mean when mounting directories on RHEL?
I am trying to understand the NOEXEC flag when mounting.
I am having an execution issue within the /tmp directory on someone elses machine that I cannot access atm where the /tmp directory is mounted ...
- 837
6
votes
1
answer
36k
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how to delete the partition after mkfs
we created the ext file system on new sdd disk as the follwing
mkfs.ext4 -j -m 0 /dev/sdd -F
in order to get the disk as was before mkfs
I guess we need to delete the partition that created by ...
- 193
22
votes
7
answers
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Is there a free (as in money) version of Redhat linux? [closed]
I've not dabbled with Linux for a while, but I need to, I am slightly outraged RedHat Linux is not free... or am I being dumb?
Is there a free version available?
If not what are the best ...
- 1,617
5
votes
2
answers
3k
views
How exactly a system might break by updating glibc?
Suppose that I have a program that relies on a newer glibc version that is not available in the system via packages. And it gives:
version `GLIBC_2.xxx' not found
One solution is compiling the ...
- 441
3
votes
4
answers
22k
views
Redhat Linux password fail on ssh
I am trying to ssh into my linux machine from my mac. If I am physically at the machine I can log in with my password just fine, but if I am sshing it refuses. I am getting: Permission denies (...
- 173
17
votes
3
answers
223k
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What is the exact command to restart a RedHat linux system?
I am new in Linux and I want to know the exact command to restart a RedHat linux server 6.3. And it has to start network drivers etc…
I am using VPN to connect to remote machine using VNC.
Can ...
- 317
11
votes
3
answers
20k
views
wpa_supplicant for dual WLAN
I've got wlan0 and wlan1. Each interface should connect to a different SSID.
I would like to use wpa_supplicant for both.
I can put the two networks in /etc/wpa_supplicant.conf, but how do I tell ...
- 363
6
votes
4
answers
31k
views
Command to find files for a specific time range
I have a few Linux Red Hat Linux machines and I must find some files on them. The problem is that they have a lot of files and folders since 2004 year. And I don't know where exactly to look for these ...
- 603
4
votes
3
answers
13k
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Network connection failed :unknown reason:
Im on RHEL, and found that my VPN stopped working.
I discovered that I could use the command line utility, nmcli, to try to get more info about what was happening.
However, Im finding that the ...
- 631
2
votes
1
answer
4k
views
Bridged adapter in Virtual Box - cannot obtain IP
I have virtual box with RHEL installed. My virtual box is running on windows 7 64 -bit. I configured bridged connection, but when I am restarting network interfaces, I receive following error:
...
- 181
1
vote
0
answers
404
views
Installing Nvidia drivers on Red Hat
I wanted to install Nvidia drivers.
Can you tell me why the following is not working :
[root@INEICP-EPM-W134 Downloads]# rpm -Uvh XFree86-4.3.0-35.EL.src.rpm
warning: XFree86-4.3.0-35.EL.src.rpm: ...
- 227
1
vote
0
answers
2k
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Amazon AWS EC2 Volume issue prevents instance access via SSH
I have an Amazon EC2 Ubuntu t2.nano at sa-east-1 region. It was running fine until 2017-06-14 maintenance.
Today, while trying to access it via ssh, I've noted it was not possible. I get ssh ...
- 604
1
vote
1
answer
7k
views
Install wine on RHEL with Yum
I'm trying to install Wine on Red Hat Enterprise Linux using Yum, but it's not in the RHEL repository. How can I install RHEL via Yum? I'm pretty sure there may be other repositories out there ...
- 5,971
0
votes
3
answers
1k
views
RedHat for desktops
Is there any RedHat variant for desktops and FREE? If yes, is there any Wubi like tool that can be used to install from within Windows XP?
- 2,733
18
votes
2
answers
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Systemd error : Executable path is not absolute
I have the following below code of systemd.
[Unit]
Description=start RCC logger server process
Requires=rcc-drbd.service rcc_check_locked_scr.service s96rcc.service
After=rcc-drbd.service ...
- 181
16
votes
5
answers
41k
views
Installing R on RHEL 7
I'm trying to install R on RHEL 7. I'm using epel-release-7-2.noarch.rpm and resolved many dependencies (one by one by manual .rpm installation) but at the end of the dependency resolution I got these ...
- 159
12
votes
4
answers
16k
views
Setting Linux environment variables
I am running Red Hat Linux Enterprise 5; I am always using the export command to set environment variables.
Are there any other ways to set environment variables and what are the advantages/...
- 5,059
9
votes
5
answers
19k
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Is there a native tool for parsing xml files available on RedHat?
Are there any utilities similar to xpath for parsing XML files that would be natively available on a RedHat server?
Similar questions have been answered elsewhere, but none of the tools listed are on ...
- 720
6
votes
1
answer
2k
views
How to disable Alt-Tab shortcut in VMPlayer?
I want to send Alt-Tab to my windows host OS when working out of the guest OS on VM player. At the minute it gets trapped by the guest OS. Anyway to disable sending it to the guest (RedHat)?
- 747
5
votes
3
answers
26k
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Firewalld - allowing ICMP in custom zone (centos 7 / redhat 7)
I want to enable ICMP echo-reply in a zone defined by source.
I have a zone MONITORING where I want to permit some services like mysql and echo-reply. Permiting services like mysql is simple, but I ...
3
votes
1
answer
4k
views
How to install packages on Linux without root-access?
For whatever reasons, root-capable administrators at our organization limit the choice of packages to the vendor's official "base" repository (RHEL).
Not even EPEL is possible, much less IUS.
Our ...
- 664
3
votes
0
answers
624
views
Simultaneous IO to multiple SSDs in external USB 3.0 enclosures
UPDATE: Just tried this scenario on a board with eight extra SATA ports and it works. Slower than I'd thought but still acceptable. As per the discussion with David Schwartz I believe he may be ...
- 156
3
votes
2
answers
24k
views
Can we clean yum cache files manually?
I am using Redhat 7 while running yum update I am getting Bus error (core dumped) error.
After troubleshooting I found that / was full because of /var/cache/yum/x86_64/7server/rhel-x86_64-server-7/gen ...
- 3,963
2
votes
2
answers
4k
views
Create bootable RedHat iso from folder
I'd like to install RedHat 6.4 (32bits) on a VM. The problem is that I don't have the iso file. Instead, I have access to a folder (standard RedHat folder with subfolders like images, isolinux, etc.)
...
- 123
2
votes
2
answers
3k
views
How to keep yum cache from filling back up
I have a RHEL system whose disk keeps filling up. The problem is /var/cache/yum. I have read Can we clean yum cache files manually? and I know that sometimes you have to, like it says, clear out /var/...
- 267
2
votes
1
answer
4k
views
Nginx works on my linux machine but is not accessible from other computers in my local network
In my LAN network I have a server with Scientific Linux (RedHat or Fedora based distro), I've done yum install nginx but the welcome page is not accessible from other computers in my network.
When I ...
- 123
1
vote
4
answers
34k
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Unable to mount NTFS drive with RHEL 6
I installed RHEL 6 on my computer on the last drive with Windows XP. In RHEL 6 my drive has not been opened, it shows unable to mount NTFS file. So what can I do to resolve that?
Virendra
1
vote
2
answers
2k
views
how to update svn package on RHEL 5.3?
I have 1.4.2 version of svn on my RHEL 5.3 box. I tried updating and I get the following message. What should I do ?
[foo@bar adminui]# svn --version
svn, version 1.4.2 (r22196)
compiled Sep 1 ...
- 1,397
1
vote
0
answers
804
views
Installing R in RHEL 7
I took the following steps to install R in RHEL 7:
yum install epel-release
yum update
yum install R
But I got errors:
--> Finished Dependency Resolution
Error: Package: R-core-devel-3.3.1-2....
0
votes
2
answers
105
views
Can't connect wirelessly using redhat9
I've recently installed redhat 9 and I'm trying to connect to the internet using a wireless card. I'm able to connect to the network and get to the router webpage @ 10.0.0.1 But whenever I open ...
- 121
0
votes
1
answer
9k
views
kernel parameter - net.core.netdev_max_backlog , what happened when its too low
we want to understand what are the aspects when net.core.netdev_max_backlog kernel value is very low and not as recommended
on our Linux RHEL machines , the value for this parameter is 1000
since our ...
- 839
0
votes
1
answer
2k
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Keyboard layout in Terminal of Red Hat Linux changes automatically
I have an unique problem in Terminal of Red Hat Linux WS 6.6. After some of period of period (Don't know exactly when..) keyboard layout (and not language) changes from German to English ONLY in ...
0
votes
1
answer
3k
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Opposite of the `mkfs.ext4` command [duplicate]
is it possible to reverse after make mkfs.ext4 ?
mkfs.ext4 -j -m 0 /dev/sdb -F
for example we create file system on new device - sdb ( no any data on sdb )
mkfs.ext4 -j -m 0 /dev/sdb -F
now we ...
- 1
0
votes
2
answers
1k
views
yum: enable a disabled repository
I've found out I can use yum --enablerepo= to temporarily enable a disabled Yum repository, but I want to permanently enable a repository.
Is there a preferred Yum command to enable a disabled ...
