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

learn more… | top users | synonyms (1)

0
votes
1answer
39 views

Couldn't connect to the primary server: postgresql HA installation

Trying to install Postgresql-9.4 High Availability (HA) in RHEL7, using three nodes. In all three nodes, installed postgresql, updated postgresql.conf and pg_hba.conf files accordingly. After ...
1
vote
0answers
31 views

RHEL 5 Kernel Panic

I performed some fdisk operation on vmdisk. After rebooting I got the following error: unmounting old /dev unmounting old /proc unmounting old /sys switchroot: mount failed: No such file or directory ...
1
vote
1answer
872 views

tomcat 8 will not start after initial install

I am trying to install tomcat on a new CentOS 7 virtual machine. I successfully installed apache httpd, and am able to get the apache test page when I type the ip of the virtual machine into a web ...
0
votes
2answers
54 views

Temporarily reduce physical RAM size in Redhat 5 for testing [duplicate]

How to reduce the physical RAM size in RHEL 5.7? I would like to reduce the memory for testing
1
vote
1answer
25 views

Pruning not working In find

find . \( -type f \) -o \( -name "*.rpm" -prune \) find . \( -name "*.sh" \) -o \( -name "*.rpm" -prune \) The second command excludes .rpm but the first one doesn't. What's the problem with ...
2
votes
0answers
136 views

How do I ssh into a new virtual machine?

note by derobert: problem was resolved in chat, starting around http://chat.stackexchange.com/transcript/message/24666451#24666451 if someone wants to write up an answer. Turns out the bridge wasn't ...
0
votes
0answers
24 views

Installing swftools with dependencies on a server with no internet connection?

I am trying to install a package on a Red Hat server which does not have internet connection by which I could directly download and install dependencies. Where can I download the swftools package ...
0
votes
1answer
77 views

SCSI disk not shown up during Rhel7 OS installation

In my system, I configured my SCSI disk and tried to install Rhel7 Beta2 OS on it. But for installation, I can't see the SCSI disk. If I'm trying to install other OS I can see the SCSI disk. I don't ...
1
vote
1answer
30 views

pam_env(crond:setcred): non-alphanumeric key 'JAVA_HOME =$PATH:

RHEL - I have many lines in my /var/log/secure-____ file that are similar to the following: Oct 4 03:05:01 localhost crond[2161]: pam_env(crond:setcred): non-alphanumeric key 'JAVA_HOME ...
2
votes
1answer
92 views

how do I create an appropriate drive for a libvirt virtual machine?

I am trying to use virt-install to create a CentOS 7 virtual machine in a CentOS 7 host. Towards that end, I have been reading the virt-install documentation at the RHEL web site, and I have also ...
2
votes
1answer
39 views

lost ability to sudo after modifying pam module

On one of our RHEL6 servers I made a change to /etc/pam/d/system-auth and password-auth then after rebooting lost the ability to sudo and su. Specifically I changed this line: auth sufficient ...
2
votes
1answer
104 views

Kickstart: is it possible to partition without a mount point?

I would like to partition a disk, but some partitions should not be mounted, so far I have to following workaround : part /srv/tmp1 --fstype=ext4 --size=1000 --ondisk=sda then in a post-install ...
0
votes
0answers
23 views

how do I virt-install a guest from a dvd?

On a CentOS 7 host server, I would like to create a guest virtual machine with CentOS 7 as the guest operating system. I have a CentOS 7 installation DVD that was burned from an iso file in windows, ...
0
votes
0answers
23 views

Need help getting bug fix for RHEL6

How can I get the new kernel as mentioned here? I have a RHEL6 server that's using subscription manager and also registered with RHN. I have ran the usual yum updates and still am not getting the ...
2
votes
2answers
276 views

RHEL 7 how run longtime script before shutdown/reboot systemd

I'm trying to found solution how run script before shutdown/reboot is initiated in RedHat7. I need to correctly shutdown SAP database when I'm shuting down or rebooting server. Script for SAP ...
1
vote
2answers
122 views

Number of files does not match inodes

I notice that the number of used inodes on the OCFS2 partition is around 28 million. I moved a folder that contained 518K files and the number became 22 million. The following script finds the number ...
-1
votes
2answers
39 views

Installing NetBackup on RHEL6?

is it possible to install Netbackup or any software whatsoever on linux redhat 6.6 without having to register it first?
0
votes
2answers
175 views

RPM and ISO , package installation

I am trying this option first time not sure is it correct way, please bear me. I am tying to install package rpm -ivh binutils-2.23.52.0.1-12.el7.x86_64, I mounted the ISO image mount -t iso9660 -o ...
1
vote
1answer
552 views

Couldn't find postgresql.conf & pg_hba.conf files in my postgresql installation

Following all the instructions from UNIXMEN, installed postgresql-9.4 in CentOS 6.4. Everything went well, started the service and could access pgsql screen. But when I try to configure the ...
1
vote
2answers
32 views

The easiest way to update package above release RHEL

I have to install the krb5-devel package in a version at least 1.12 on a RHEL 6.6. Unfortunately the RHEL 6.6 repositories contains the package in a version 1.10. What would be the easiest way to ...
0
votes
1answer
24 views

browse local S3 storage (not Amazon) with command line tool

I wish to browse, put and get files in local S3 storage from vendor EMC Atmos Cloud Storage I have a RHEL7 and wish to do it on command line. We have no flat structure (like Amazon) we use ...
0
votes
2answers
64 views

checking rsync run status

We have a cron job running to rsync files from one server to a different host. The cron runs daily at midnight. The file copy is critical for us so we want to monitor the backup runs. We want to ...
1
vote
0answers
7 views

Bash - PS1 not Updating With Proper Hostname after Hostname Change in Script [duplicate]

I want to run a script that changes the hostname and have my bash prompt (PS1 variable) update immediately with the proper hostname. How do I make this happen? I run this #!/bin/bash # Usage: ...
1
vote
2answers
458 views

Cron Bash Script - echo to current terminal instead of /var/spool/mail/root

Is it possible for a Cron Bash Script to echo to the current session terminal instead of /var/spool/mail/root I have a script which writes errors to a log file but any supplemental/unimportant info I ...
0
votes
0answers
79 views

Squid/SquidGuard- Browser or user-agent or device based access

I have been trying to configure squid and squidGuard such that iPads and iPhones would get full internet access, while others getting access as per user based policy. The IP addresses allocated to ...
0
votes
0answers
19 views

pkgsrc on RedHat: bmake stops during texinfo install

I am trying to install git from source via pkgsrc on a RedHat system. It's a sort of test to see if pkgsrc can be used for unprivileged package management. But, when I run bmake, the installation ...
0
votes
1answer
40 views

Redhat DHCP Server issues IP by not validating mac address

I have kickstart setup on a Redhat satellite server. On the dhcp server, I added a redhat1 to be kickstarted; while the redhat1 getting built, the dhcp server issued redhat1's IP address to a unknown ...
0
votes
0answers
39 views

Are there behavior changes for sudo-1.8.6p3-15.x86_64 (RHEL6.6) as compared to sudo-1.6.9p17-6?

We found that there is a behavioural changes in sudo-1.8.6p3-15.x86_64 (RHEL6.6) as compared to sudo-1.6.9p17-6 (RHEL 5.8). It has been observed if a script called through sudo, and if CtrlC (SIGINT) ...
1
vote
0answers
92 views

Java related error met when installing COMSOL

I would like to install a software called COMSOL on Redhat (Red Hat Enterprise Linux Server release 6.4 (Santiago)) cluster. COMSOL is designed as a Windows software, and its installation requires X ...
1
vote
1answer
28 views

enable a user to chroot?

I have a script that I am running as a regular user (but one that can sudo). This script relates to BIND and gathers information each time it runs. It has not been working correctly and I noticed ...
2
votes
0answers
65 views

Permenantly Increase MTU for bridged interface on RHEL 7

I'm using RHEL 7 and need to increase the MTU of a bridged interface to 3000. The bridged interface (br0) only uses one physical NIC (em2). Within em2's network-script I have the lines: MTU=3000 ...
0
votes
1answer
866 views

Is not a valid path to the kernel headers?

Host - Windows 10 VMware - 11.1.2 Guest - CentOS 7 I installed kernel-headers using yum since during the installation of vmware-tools I get a message "Searching for a valid kernel header path... ...
0
votes
0answers
134 views

Transaction Check Error: file /etc/pki/rpm-gpg/RPM-GPG-KEY from install of oraclelinux-release-6:6Server-3.0.2.x86_64 conflicts

I am trying downgrade oracle linux 6.7 to 6.6 [root@xxxx ~]# yum downgrade redhat-release I am getting an error that "Transaction Check Error: file /etc/pki/rpm-gpg/RPM-GPG-KEY from install of ...
0
votes
2answers
49 views

terminal History for one day

I logged in to my Linux box in morning and did lots of installations using terminal,i got lot's of errors during these installations,cleared terminal many time,solved these errors,Now i want to know ...
2
votes
2answers
70 views

Best practises: Applying iptables firewall rules for SSH

I need to add some firewall rules in our QA environment using iptables. I have to do the changes remotely . Some of the changes also include disabling SSH for few Networks . What are best practices ...
0
votes
0answers
67 views

turbostat - how to tune to make CPU%c1 = 100

I'm using my server for low-latency trading. I'm using Low Latency Performance Tuning for Red Hat Enterprise Linux 7. It suggests to run turbostat sleep 5 command to verify that Bzy_MHz = TSC_MHz, ...
0
votes
1answer
592 views

Where's rpmfusion? - CentOS7 as desktop/multimedia system

I am currently looking at Centos, because I am really getting fed up with having stuff changed or having to reinstall my system every 6 + 9 months or so, or running a system without any updates. Now ...
1
vote
1answer
41 views

How to stop automatic upgrade of postgres,mongodb and RHE7 itself?

I have installed Postgeresql, mongodb using yum in RHEL 7.0 few days back, but now they are automatically upgrading. I don't want it to happen. How can I prevent the automatic upgrades?
0
votes
0answers
37 views

debugging: new ssh connection could not be established but ping was ok on RHEL 6.3 (high cpu usage)

One of my RHEL 6.3 build on vm raised an alert "virtual mechine cpu usage". I tried to connect to the vm using putty but the connection could not be established. There was no packet loss from ping. At ...
0
votes
1answer
70 views

rsync command not preserving permissions

rsync is not preserving permissions/ownesrship after file transfer. Here is the scenario Source host(192.168.2.14 from where files are copied): Source Path # ls -l "/shareddata/tesz/" total 4 ...
0
votes
1answer
74 views

Blurry screen but clear screenshot, RHEL 7

I installed the nVidia drivers for my Quadro 2000 card using the ElRepo repositories. The install went fine and I ran nvidia-xconfig which generated a new xorg.conf file to use. However, my monitor ...
4
votes
1answer
161 views

Can't disable SSLv3 in Apache + mod_nss

I am trying to implement TLS through mod_nss in Apache (RHEL 7). As per the documentation, I have installed mod_nss and removed mod_ssl. I have followed the steps outlined in the documentation (see ...
1
vote
1answer
828 views

RHEL 6.7 kickstart using minimal boot media on UEFI

I'm new to RHEL (haven't used it since the early 2000s when it was still open source) and currently attempting to install it on a cluster of machines. I'm trying to automate this process as much as ...
0
votes
4answers
229 views

Portable Linux webserver that does not require sudo, install, and internet

I have a corporate Red Hat Server that does not have sudo, package manager, and internet network. I need a webserver client, and have tried installers and binaries of httpd and lighttpd but references ...
0
votes
1answer
44 views

RHEL 7.1 Virtual Terminal

I am looking to disable the Virtual Terminals on a RHEL 7.1 laptop. All of the instructions I have found point me to adding Section "ServerFlags" Option "DontVTSwitch" "true" EndSection to the ...
0
votes
1answer
41 views

yum info: what does “Repo: installed” mean?

On RHEL 5 I entered yum info vsftpd and got this result: Installed Packages Name : vsftpd Arch : i386 Version : 2.0.5 Release : 28.el5 Size : 289 k Repo : installed ...
0
votes
0answers
28 views

Facing issue while integrating RHEL 6.5 with windows AD

I was integrating my RHEL linux servers with AD. For some servers the integration was completed successfully. For one server I am facing issue,whenever I try to join its showing below error, ...
0
votes
0answers
54 views

Deleting of whole symbolic link folder when rpm -e is ran

I am currently building an rpm for RHEL 6.6. The installation of the rpm goes great the the command rpm -Uvh foo.rpm. However I run into a problem when I do the rpm -e foo command. The problem is ...
0
votes
0answers
26 views

RHEL7 : Freeing memory allocated for Block IO i.e. bio -> bio_destructor

I want to know HOW memory allocated for BIO gets free specific to RHEL 7. I think, in RHEL 7 , bio->destructor field is removed from the bio structure. So, how exactly the memory will be freed? ...
0
votes
0answers
24 views

Install orca on redhat

Has anyone successfully installed/ran orca (a performance monitoring tool for Solaris) on Redhat? I see some old posts asking about it but there have been no responses. ...