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

learn more… | top users | synonyms (1)

0
votes
1answer
45 views

Unable to clean ^[(B control characters from log file [duplicate]

I am trying to clean all color control characters from log file. I am able to clean all other control characters except ^[(B . Please help me to clean this control character also. I am using these ...
0
votes
0answers
94 views

How to disable the Intel graphics driver on CentOS 7?

I have installed CentOS 7 recently, I found that my GUI is always laggy, specially when playing videos or GIFs. have tried multiple video players and web browsers and they all have the same results ...
2
votes
0answers
15 views

What are the most restrictive external firewall / DNS listening port settings I can have for my DNS server (internal clients only)

This question relates specifically to hardening the configuration of DNS, firewalls and at the limit, ntp. (not proxys, http access,vpn's or other services). This is about the externally-facing side ...
0
votes
1answer
39 views

Red Hat restart not show correct login page?

When I restart my Red Hat, the screen only show the snapshot page without login page. But I can use SSH to login to start VNC. Then VNC also working well with normal X screen. Does any export know ...
0
votes
1answer
18 views

New network interface created after reboot - OEL 6

We do not remember the setting apply via network manager applet -Redhat6 - but after each reboot of the virtual machine, new network interface appear in network manager with no ip address no mac. This ...
2
votes
1answer
48 views

Stop user from deleting file in directory

This is the scenario There is one directory /test which is owned by oracle.dba I created new user TEST who will have permission to create NEW files but it should not be able to delete the files he/...
1
vote
1answer
20 views

Error when attempting to mount NFSv4 file system

I am having a problem mounting an NFS v4 share on a RHEL6 system, when attempting to mount the file system with the command "mount -t nfs4 nfsserver:/home /media/home" I receive the following error ...
1
vote
0answers
23 views

Should DNS (PTR Records) be configured differently for different ipv6 networks?

I am configuring DNS forward and reverse lookup for IPv6(Redhat). For both /64 and /120 prefix i am using below configuration for PTR records. for address 6b00:8a00:a000:11a1::a2b:1c9f (Only a ...
1
vote
0answers
24 views

How to disable ethx device under /sys/class/net [closed]

I am looking for a way to disable/delete eth2 entry from /sys/class/net [root@test ~]# ls -l /sys/class/net/ total 0 lrwxrwxrwx 1 root root 0 May 26 08:04 eth0 -> ../../devices/vif-0/net/eth0 ...
0
votes
0answers
28 views

Generic multiple monitor layout on RHEL/CENTOS 7

By default, RHEL7 seems to think multiple monitors are next to each other. I need to have them vertically spanned instead of horizontal. I found that modifying xorg.conf or xorg.conf.nvidia to set ...
-1
votes
1answer
41 views

How to kill some processes [closed]

I have some processes running on my linux machine, think that process ids are pid1 to pid100. Now I want to kill some processes like from pid25 to pid75 at a time. What is the way to perform this?
0
votes
0answers
13 views

unable to install boto on Red Hat

This is my Linux version: cat /etc/*-release Red Hat Enterprise Linux Client release 5.4 (Tikanga) I've tried all posts online available, still no vain, here's my attempts and console output: ...
0
votes
1answer
38 views

Install compat-libstdc++-33.i686 on Red Hat Enterprise Linux Server release 6.5 (Santiago)

I need to install compat-libstdc++-33.i686 on a Red Hat Enterprise Linux Server release 6.5 (Santiago) without a Red Hat Network Subscription. Is there some where that I can download the required .rpm ...
1
vote
2answers
39 views

Using DD Disk Image on Red Hat

How can I use dd command on a Linux Red Hat Server 5 to obtain a disk image and then use it eventually in Virtual Box?
1
vote
0answers
32 views

rhel - file modification logs

I found a strange file in my /home/user named FireZeMissiles1111.tmp. I am the sole user and did not create it, so it is kind of suspicious. It may have been left there by a program who's programmer ...
2
votes
2answers
179 views

Change directory working directory in shell script

I am trying to write a simple shell script, which will change the directory to the shell script directory and echo it. This is the script: #!/bin/bash # cd '/explicit/path/to/script' cd $(dirname $...
1
vote
1answer
32 views

Red Hat 7 KickStarter

I've made my own KickStarter with the official KickStarter generator from RedHat. But now I can't find out how I can run it. It is a .dms file.
0
votes
1answer
30 views

rhel repositories with gstreamer-plugins-ugly

What yum repository provides gstreamer-plugins-ugly (or/and other gstreamer plugins) for Red Hat Linux 6? And do repositories for CentOS and Fedora suit for Red Hat? Reason of this question is that ...
0
votes
1answer
27 views

yum + list all available security updates without installing them, on redhat 5?

To list all available security updates without installing them, I run this and this syntax is working on redhat 6 and 7 # yum list-security --security please advice what is the syntax for redhat ...
-1
votes
1answer
27 views

RHEL 6 filesystem

I'm reading about RHEL 6 and getting confused about a knowledge check. It tells me that not to use a computer to give an answer for this but the question is on a RHEL 6 system, mount /dev/sda12 /...
0
votes
0answers
40 views

Linux + what are the steps use the oldest kernel version in place of the current

I have Linux red-hat 5 version I want to reboot the machine with the previous kernel - 2.6.18-408.el5 so I set the default to 1 but before I will reboot the machine to startup with the older kernel ...
0
votes
1answer
33 views

How to verify if an rpm was installed from scratch or upgraded?

Today, we installed the following rpm's via yum on redhat version 5 # rpm -qa --last | head -10 kernel-headers-2.6.18-408.el5 Wed May 18 13:33:59 2016 bind-utils-9.3.6-25.P1....
0
votes
0answers
27 views

automatically install jdk when you install the server application in rpmbuild

I'm trying to do my rpm containing configured server wildfly together with the application. I'm trying to make RPM contains the JDK. The file below is only an indication of the required element. Is it ...
1
vote
0answers
19 views

Using mail spool file for an entry in /etc/aliases gives errors in EL7

For years (with EL6 and before), I have successfully used entries like this in my /etc/aliases file: bugs: /var/spool/mail/bugs The idea being mail to a non-user can be shoved into a file for ...
2
votes
0answers
41 views

How to remove all old kernels except the two latest

The following command deletes all kernels except the latest: package-cleanup --oldkernels --count=1 Does the following command delete all but the two latest kernels? package-cleanup --...
0
votes
0answers
34 views

fatal error: limits.h: No such file or directory Theano and anaconda

I have issues with theano. Indeed I have access to a High Performance Computing server with an old version of gcc (4.4.6), python (2.6) and kernel (2.6.32). The issue is that I need to run a python ...
1
vote
0answers
25 views

Linux cannot create new partition (no sector available) How to resolve it? [closed]

I have installed in my laptop VMware workstation in that VMware workstation I installed RedHat server. While installing time i took 20gb space afterwards I am creating partitions. In that already 2 ...
0
votes
1answer
65 views

Zabbix web install Redhat conflicts php

I am trying to install Zabbix on redhat 7 64bit. The zabbix server installed successfully with command yum install zabbix-server-mysql But I am getting conflicts with php70u with php56u when I tried ...
0
votes
1answer
58 views

Redirect output of: yum repolist all

If you run the command: yum repolist all you will see there are basically four columns of data. repo id, repo name, status, install count. If however your run something like: yum repolist all > ...
0
votes
1answer
55 views

RHEL 7 PXE boot & install ends up with emergency mode shell

Trying to PXE boot and install RHEL 7.2, however it always end up with dracut:/# prompt. .... systemd: Mounted Configuration File System. dracut-initqueue: RTNETLINK answers: File exists dracut-...
1
vote
2answers
80 views

How to verify if Java is installed on rhel

I stood up rhel VM. I was curious if JDK is installed or not so that I ran a command from a shell (bash). whereis java It returned: java: /usr/bin/java So I navigated to the path in order to ...
0
votes
2answers
34 views

at login on RHEL switch shell to bash [duplicate]

Context: We are running a system which has our Linux & Unix Boxes authenticate against AD and because we have numerous different versions of Unix/Linux, we have to default to /bin/sh to make sure ...
0
votes
4answers
91 views

yum + how to remove unused rpm/patch on linux redhat

I am using yum to install a patch update on my RedHat Linux machine, Is it possible to use yum on different way in order to uninstall unused rpms/patches? My goal is to remove the unnecessary rpm/...
0
votes
0answers
18 views

RHEL 6 no sound, but volume settings shows 100%

My sound worked perfectly on my Thinkpad T430, but ~3 days ago an update (?) came, and from than, the sound icon from the GNOME-panel dissapeared. I already tried a reboot, no luck. I tried using "...
0
votes
1answer
29 views

Understanding Iptables rules to prevent DDoS

Following IPTables rules exist on my system as some preventive measures against DDoS attacks -A INPUT -s 255.0.0.0/8 -j LOG --log-prefix "Spoofed source IP" -A INPUT -s 255.0.0.0/8 -j DROP -A INPUT -...
3
votes
1answer
34 views

Why is procmail hanging?

I have a goofy sendmail aliases.local file set up to pass emails to procmail. This is a set up that was working on ancient Solaris systems. Now I am running it on a RHEL6 system: # cat /etc/redhat-...
0
votes
0answers
19 views

LAMP server Installation - httpd, mysql are 'unrecognized services'

I recently installed Bitnami LAMP server to have apache, mysql and php on my server with redhat 6.7. The installation was fine, I can see httpd and mysql processes; even the wget from localhost ...
0
votes
0answers
55 views

RHEL: GNOME - Is it possible to change Shell theme?

I have tried to change the gnome-shell-theme on RHEL, but whenever I try it GNOME crashes and the system just disables all the shell extensions installed. So, I was wondering if there is something ...
0
votes
1answer
27 views

Now visudo won't work at all

RHEL 5.10 When I do visudo I get this error: chuck 75->visudo visudo: /etc/sudoers: Permission denied visudo: /etc/sudoers: Permission denied Listing of sudo exe file and /etc/sudoers: chuck ...
1
vote
1answer
40 views

RHEL How to login as different user from shell?

Redhat Enterprise Linux 5.10 (No we can't upgrade.) This is related to my other question. I would like to be able to login as another user, like 'tina', so I can test her sudoer permissions. My ...
0
votes
1answer
41 views

Linux red-hat + kernel patch update

I need to run the yum update on my Linux redHat machine during the yum update , I sow that yum perform some patch kernel update therefore I little worry to perform a reboot , because the patches of ...
0
votes
0answers
21 views

Restored Volume Group but No LV inside

I created Volume group on 2TB ISCSI Block device . And on that I created Volume group and added the entry in fstab with options _netdev. But after reboot it didn't come online. What happened and ...
1
vote
0answers
47 views

YUM: updating repo's GPG key

Haven't found the answer for this in docs: how often Yum refreshes the GPG key of a repo, if it was obtained from the net? For instance, I've got this repo config: [myrepo] name=myrepo baseurl=http:/...
0
votes
0answers
16 views

System not pinging after running `rescan-scsi-bus.sh -r`

I am having a system on which multipath is enabled. I recently replaced a SCSI device and in order to remove old entries, I executed rescan-scsi-bus.sh -r. Now the server is not getting pinged. I ...
3
votes
2answers
56 views

Send command output to screen and syslog

I'm trying to send the output of a command to our syslog and this is what I have so far. #!/bin/bash log() { logger -s -t $(basename $0) "$@" } /bin/echo "test" 2>&1 | (log) and this ...
2
votes
1answer
111 views

Unable to boot after updating the kernel rhel 6.7

I am having a Red Hat 6.7 running on VM which I updated with the latest version kernel-2.6.32-573.26.1.el6.x86_64. but after this update I received the below error: kernel panic-not syncing: VFS: ...
2
votes
0answers
50 views

RHUI 2.1 Error Downloading the repo

We are facing this error on RHUI when downloading the repo. unable to find any solution on Red Hat site there is one link which guides us to edit some file for proxy settings. but we done have any ...
0
votes
1answer
33 views

custom shutdown script in rc6.d does not seem to be working.

I'm working with a software application that's a bit touchy so I wan't to shut the software down automatically on reboot or shutdown. I have created a script an placed it in /etc/init.d/ with a ...
0
votes
0answers
36 views

awk + how to manipulate awk output

The following awk command prints the results from services file # awk '{print $2}' /etc/services 48002/tcp 48002/udp 48003/tcp How can I manipulate the output so it prints the "service file" ...
0
votes
1answer
29 views

compiling rpm 4.11 for RHEL5

I am trying to compile rpm 4.11.2 on RHEL 5 machine. When I do ./configure it gives error . . checking for nspr.h... yes checking nss.h usability... yes checking nss.h presence......