Red Hat Enterprise Linux (RHEL) is a Linux distribution from Red Hat intended for enterprise use.

learn more… | top users | synonyms

0
votes
0answers
15 views

Cloning to a larger hard drive in CentOS 7

My 500G HD is full (of stuff I want to keep) and I have a 5TB coming in the mail. I've done this before in windows and it is simple. Everything I've done in Linux, while better in the long run, ...
0
votes
0answers
7 views

Problems with using xdg-mime default. The default was successfully set but it is not used via xdg-open

Directories keep opening in Firefox when I use xdg-open. I do not want this. I did: xdg-mime default dolphin.desktop application/x-directory and xdg-mime default dolphin.desktop inode/directory ...
1
vote
1answer
2k views

iptables: How to redirect port in Red Hat Linux (RHEL)?

I'd like to forward port 80 to 8080. So I tried to edit /etc/syscongfig/iptables: -A PREROUTING -t nat -i eth0 -p tcp --dport 80 -j REDIRECT --to-port 8080 But got: # service iptables restart ...
0
votes
1answer
102 views

CentOS 7 will not allow SSH local tunneling for port 80

I am trying to tunnel the remote port 80 of my CentOS 7 Server to my local PC through putty. Nevertheless, I seem to be unable due to security restrictions. Is there a way to loosen them and to allow ...
0
votes
0answers
8 views

Need to connect and automatically transfer data from Windows 7 PC to Linux Red Hat using SSH

OpenSSH is not suitable for Win 7 in my system.I would like to automatically bridge from Win 7 pc to Red Hat Enterprise server.
1
vote
1answer
4k views

Is it possible to upgrade from RHEL 4 to 6 with up2date(or yum) on or after 2012/08?

I'd like to upgrade my server's os from RHEL 4 to 6 after 2012/08. I know that there are 2 methods to upgrade. 1. directly (RHEL 4 -> 6): 1. buy a new server machine. 2. install RHEL6 on the ...
0
votes
0answers
22 views

Installing KVM virtual machine hangs at “connecting to graphical console for guest”

I am using KVM to install a virtual machine on RHEL 7.0, but the installing hangs, and displays "connecting to graphical console for guest": The terminal log is like this: [167804.496139] ...
0
votes
1answer
3k views

mount command times out when trying to mount between servers

I've got two identical RHEL boxes and would like to mount a directory from one to the other. my command: [me@serv_dev ~]$ sudo mount serv_prod:/my/dir /mnt/my/dir times out after a few minutes: ...
1
vote
1answer
3k views

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 ...
1
vote
2answers
58 views

How to update git on RHEL without access to root?

I am trying to get my IDE set up at work for a project I am working on. I am coding in python and working in PyCharm because of its awesome git support. However, whenever I try to configure git on ...
0
votes
1answer
59 views

VMware Workstation - Linux/gnome screen saver locking of guest and host

I've got some RHEL6 machines that run VMware Workstation 11 on them. The host and the guest are required to have a screensaver enable after 15min of inactivity that goes to a lock screen. My users ...
0
votes
0answers
13 views

Can't Connect to External Monitor on RHEL6

I have rhel6 installed. I am using a W530 lenovo laptop. I am trying to connect to Lenovo LED monitor using VGA cable. I think I have the Nvidia driver installed but I when I plug in my VGA cable the ...
1
vote
0answers
18 views

Microsoft bluetooth mouse on RHEL6

I am using rhel6 and I have a bluetooth mouse from microsoft I am trying to pair it on my system but my system won't recognize it. I have followed up with some information which might help with the ...
8
votes
6answers
21k views

Disabling NetworkManager on RHEL 7

I was setting up a RHEL7 server in vmware vSphere and I'm having trouble getting it on the network without NetworkManager. I configured the server to have a static IP during the install process and it ...
0
votes
0answers
37 views

How do I enable rsh in Oracle Linux 7?

I have two systems, a Solaris and an Oracle Linux. I can rsh from OL to Solaris but not from Solaris to OL. I can also ssh from both machines. I was reading this and I tried to create an rsh file in ...
0
votes
0answers
32 views

disabling password dictionary checks while keeping minimum length check in linux

In RHEL 7, password policies are controlled by pwquality.conf and pam_pwquality.so. I want to disable dictionary checking but keeping the minimum password length to 8 characters. If I remove ...
0
votes
1answer
87 views

Git Installation Returns Error 404 On RHEL

I am trying to install Git in my REHL but failed. I have also clean up metadata and everything else by running sudo yum clean metadata and sudo yum clean all but still, the error persists again and ...
3
votes
1answer
54 views

Mysterious logout

I'm on Linux, I'm using a Red Hat 6.6 workstation. Every now and then (usually once, sometimes twice a day) I get a user logout. Or something that looks like a user logout: the screen goes black for 1 ...
1
vote
1answer
3k views

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 ...
0
votes
2answers
3k views

Is it possible to enable / disable yum repository using dnf?

How to enable/disable yum repo (i.e. set enabled=0/1 in /etc/yum.repo.d/*.repo files) using dnf? According to question yum: enable a disabled repository yum can't do that. Used system: Fedora 21
1
vote
0answers
63 views

request_module: runaway loop modprobe binfmt-0000

I'm running CentOS 7. Everything was working fine, until I had one pending update, which I accepted and rebooted. Now the system fails to boot and instead reports: request_module: runaway loop ...
0
votes
1answer
2k views

Virtualbox + RHEL 5.5 = Your CPU doesn't support long mode

I have a desktop computer running the latest Ubuntu 12.10 32-bit. I'd like to run RHEL 5.5 64 bit in Virtualbox (4.1.8). However, when I bootup the VM with the CD, I got "You CPU doesn't support long ...
1
vote
1answer
483 views

Adding a disk to an Amazon EC2 instance

I am using Amazon EC2 instance where I have low disk space [root@ip-10-59-143-73 ~]# df -h Filesystem Size Used Avail Use% Mounted on /dev/xvde1 5.7G 3.3G 2.3G 60% / none ...
2
votes
1answer
177 views

SSH Gnome Terminal Background/Foreground Colors

How can I automatically change the background/foreground color of my terminal based on the host that I SSH into? My current setup is an Ubuntu desktop running Gnome-Terminal that SSHs into a set of ...
0
votes
2answers
244 views

Ubuntu 14.04 LTS with Centos desktop look and feel?

I'd like to install an up-to-date Ubuntu distro (14.04 LTS) at home since it is much easier to get desktop applications; however, I'm using Centos 6 at work and I'm used to (and prefer) the desktop ...
0
votes
0answers
96 views

Connection tracking in Firewalld (CentOS 7)

I can't get vsftpd and firewalld to work together properly on CentOS 7 (without adding the passive range to the firewalld). Looks like firewalld ignores connection tracking (nf_conntrack_ftp is loaded ...
0
votes
0answers
38 views

httpd error reports ExecCGI is off

<VirtualHost *:80> ServerAdmin webmaster@xxxx.xxx.com DocumentRoot /var/www/html/xxxx ServerName xxxx.xxx.com ServerAlias xxxx www.xxxx.xxx.com RewriteEngine on ...
2
votes
2answers
32k views

How to get xterm on RHEL6 and CentOS6 stock installs?

I have a library of virtual machines on which I am running product testing, and I am encountering an issue with xterm not being found. Originally I thought xterm was a basic terminal installed across ...
0
votes
0answers
16 views

Two subnets, defaults to first and second left dead - RHEL 6.4

I currently have bonding configured on 4 Ethernet ports. 2 bonds on one subnet and the other on another subnet. Recently we went from 192.168.3.0/24 subnet to 172.20.0.0/24 subnet and now the 172 will ...
1
vote
2answers
3k views

vmdk file too large but guest os is small

I'm facing a strange issue with my virtual machine. I have an rhel 6.1 guest os running on VMware workstation (9.0.2 build-1031769) hosted on Windows 7 Enterprise 64 bit. The size of the vmdk file is ...
1
vote
0answers
15 views

RHEL 5 box constantly displaying NIC statistics on console screen, how can I disable this?

I have a RHEL 5 box that is constantly displaying nic statistics on the console screen when using the KVM. This makes it very hard to do any troubleshooting when the box goes down as these statistics ...
0
votes
1answer
25 views

How to check permissions in a zip on RHEL?

I have very little exposure to RHEL, and was quite surprised to find that unzip -l and unzip -lv do not include file permissions. I see that extracting files eventually restores the permissions, but I ...
0
votes
1answer
769 views

How do I enable/set multicast rules using firewalld in RHEL7 / CentOS 7

I cannot find docs on how to enable multicast for firewalld which is the default firewall in RHEL / CentOS 7. Can some enlighten me? FYI: I know how to do it using iptables.
6
votes
1answer
4k views

What killed my process?

Been having a problem with application that keeps getting killed. This is running a RHEL5 server. We ran strace against the process and at the end of the trace file I get a bunch of +++ killed by ...
0
votes
0answers
52 views

RHEL interface do not up with ipv4 and ipv6 address

Hi everyone On my server with rhel 6.6 I configured interfaces with two addresses: ipv4 and ipv6. When I make down that interface and then up. Interface up with only one address ipv4 as default. If I ...
0
votes
0answers
17 views

Iptables Port Forwarding To Different IPs Based on Port [duplicate]

On a CentOS 6 server with an IP address of 172.16.1.10, how can I configure iptables to route traffic destined for 172.16.1.10:80 to 192.168.1.10:80, and traffic destined for 172.16.1.10:8080 to ...
2
votes
1answer
66 views

Finding files matching path pattern and size criteria

I have a server (RHEL 5) with 50+ websites currently running on the same eCommerce software, today I found one of the error log files was over 3GB in size Is there a way I can find all files over say ...
0
votes
0answers
61 views

How to enable the splash screen in RHEL 6.6?

How to show the splash screen while booting RHEL? There should be some method which reloads all kernels. The Basic grub.conf is normal, the rhgb option is enabled.
1
vote
1answer
165 views

RHEL 6 HP Tape Driver Installation Troubles

Trying to install tape drive drivers for the HP Ultrium 3280 SAS using this guide http://h10032.www1.hp.com/ctg/Manual/c02262008.pdf Whenever, I try to execute mkltfs I get this error mkltfs: ...
1
vote
1answer
945 views

failed to open stream too many open files - php 1024 maximum limit - Redhat - why isn't new limit working?

I've got this message while debugging a problem in a PHP program. I've already edited the /etc/security/limits.conf and added * hard nofile 500000 * soft nofile ...
1
vote
1answer
556 views

How to add a compiled ntpd in services on linux?

I compiled and installed ntp-4.2.8 using this link and created a rpm by running checkinstall on RHEL 6.5. I used the command ntpd -l logs to manually start ntpd. After starting I am able to verify ...
0
votes
4answers
1k views

How do I upgrade scientific Linux 6.3 to 6.6

Upgrading Scientific Linux 6.3 to 6.6 I have to update machines of SL6.3 to 6.6. I tried #yum list updates and .# yum update It downloaded some files and installed . But my SL is still showing SL6.3 ...
0
votes
1answer
2k views

Redhat Linux /lib/libc.so.6: version `GLIBC_2.16' not found (required by /lib/libncurses.so.5)

I am running a server RHEL 6.4 which currently has GLIBC 2.12 installed on it. We are trying to run a program which gives this error /lib/libc.so.6: version `GLIBC_2.16' not found (required by ...
0
votes
1answer
152 views

Link issues with fiber card under RHEL 6.2 and hp dl380

I am having issues getting a HP ProLiant DL380p Gen8 running RHEL 2.6.32-504.el6.x86_64 to see and/or allow the use of a 10GE fiber card. I can confirm the fiber connection to the router has been ...
1
vote
1answer
550 views

RHEL6: repo won't enable

Mount DVD [root@rhel66 ~]# mount /dev/sr0 /media Install the repo metadata [root@rhel66 ~]# cp /media/media.repo /etc/yum.repos.d/rhel6.repo List the repos [root@rhel66 ~]# yum repolist all ...
0
votes
1answer
243 views

No ntp.conf file after compiling ntp on Linux

I'm using RHEL 6.5. I compiled ntp-4.2.8 using the steps on this link. but I don't have a ntp.conf file. ntp.conf is required to start ntpd but after compiling, there is no ntp.conf on my system. I ...
1
vote
1answer
791 views

CentOS 7 can't ping from server

I'm having a Strange issue with CentOS 7. I have my server setup with 2 NICs a private network and a public network. I'm able to ping the server on both the private and public IP. But I cannot ping ...
2
votes
1answer
4k views

How to resolve rpm dependencies

I am trying to install libtirpc on RHEL 6.5 but it fails and asks for dependencies. Why here it is showing three GLIBC versions 2.14, 2.15 and 2.16. ?? Does it mean that any of these three versions ...
1
vote
2answers
2k views

Need to set mailx variable to specify the From address

Running Oracle Linux 5.8 (which is just re-branded RedHat EL 5.8) I must change the From address. But we have scripts that use mailx which cannot be re-written to use any extra flags, so I'd like to ...
0
votes
1answer
273 views

Comparison between Oracle RAC Cluster Database (10gR2, 11gR2 and 12cR1) and deployed Oracle DB on Linux Cluster [closed]

Oracle RAC implementation may be costly for small enterprise, but how it would be if Linux cluster is implemented and then standard Oracle DB is deployed on that cluster to achieve availability like ...