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

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6
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1answer
3 views

Linux kernel 3.10.0-123.4.2 processes [flush] aren't present

I am using CentOS 7 with "3.10.0-123.4.2.el7.x86_64" version, but I don't know why the kernel threads named flush aren't present in this kernel version. I tried to look in the kernel change log, but ...
0
votes
0answers
7 views

Question about pNFS

So we upgraded some of our servers to RHEL 6.5 and I came across pNFS while reading through the release docs. According to various docs available online, the performance improvement is huge over ...
0
votes
2answers
17 views

Yum file conflicts due to my mistake. How do I fix?

I did something stupid. I simply scped my rpmforge repo files from another (working) machine on to my dev box, and ran yum update. This yielded: root@dev07 /etc/yum.repos.d # yum update Loaded ...
0
votes
1answer
16 views

rc.local hang on bootup

My rc.local is stuck in an infinite loop since I accidentally put a wrong io redirection in and it is executing itself over and over again. I am on red hat 6.5 and would like to know how I can start ...
1
vote
1answer
16 views

OpenJDK update in RHEL 6

We need to apply the JDK updates to one of the RHEL 6 servers. How do I apply the patch if I have the RPM package available, which I have downloaded from the internet. Searched a lot on the internet ...
1
vote
2answers
1k views

Install mono and Monodevelop on a new Redhat 6.5 Workstation

Does anyone know how to install Mono and MonoDevelop on a Redhat 6.5 Workstation. I've tried a number of different things but nothing has worked. I tried using git and building with make from the mono ...
0
votes
0answers
33 views

Redhat / Centos 7 Firewalld rule set for either a pptp or L2TP/IPsec vpn

Having a quick look at Centos 7, and though I'd spin up a VPN daemon or 3, but immediately discovered the usual packages aren't yet in the core repositories, so had to dig around and found the ...
0
votes
0answers
33 views

Is there anyway to download an entire RHEL repo from windows?

I have a number of offline machines RedHat machines that I need to update, and I have an active RedHat subscription for all of them. I am unable to get an internet connection to these machines so I ...
1
vote
0answers
15 views

MongoDB “service” on clean Redhat can not be started

I just bring up Redhat 6.5 64-bit from AWS and did the below things: Disabled SELinux Disabled Iptables All ports opened in Security Group Rebooted Then i just followed, both of the below ...
1
vote
1answer
18 views

Kernel logs on power failure

I was wondering if it was possible to have a logging program document a random power failure. Clearly it won't have any time to log when the power fails, but is there a way to recognize a power ...
-2
votes
4answers
61 views

nohup command doesn't seems to be working?

Please let me know any example that shows nohup is working for a program even after logout , as i tried using without nohup command to run a script i background and it seems to be working even ...
0
votes
0answers
28 views

/etc/sudoers automatically reverts back

I am facing a weird issue. I ran visudo and added 3 new lines and could see that those lines were added to /etc/sudoers as well. But it's not lasting for more than 10 minutes or so. After 10 minutes ...
1
vote
1answer
489 views

Can't boot into single user mode

I hosed my login (bad script /etc/profile.d) and I can't SSH into my system or boot it into single. I append " single" to the end of the kernel boot parameters and it just keeps booting like normal. ...
0
votes
2answers
55 views

Authentication very slow (both with ssh and su)

I'm having a problem on one of our production servers where the login attempts become progressively slower as time passes. After roughly 5 days it becomes so slow that some critical processes/cron ...
6
votes
1answer
292 views

Mailman / Postfix Configuration Assistance

I am writing for some help regarding Postfix configuration. I cannot seem to get Postfix configured properly to transfer mail to the mailing list installed on the same server. I followed many steps ...
0
votes
1answer
15 views

How can I set up Virtual Hosts in Centos7?

I am trying to set up virtual hosts in Centos7. I followed this guide: http://twohlix.com/2011/05/setting-up-apache-virtual-hosts-on-centos/ however I keep getting the following error: Job for ...
2
votes
2answers
64 views

How can I make iptables service start automatically after reboot on CenOS/RHEL7?

I am having a few issues with a newly installed home server I am preparing. I have installed CentOS7 on it and I found that port 80 and 443 are off by default. I therefore added them to the iptables ...
0
votes
0answers
20 views

Disa stig viewer don't read the log file

I'm working with a dev group deploying RHEL 6.5. I have used the stig-fix-el6 stig master to stig my system. I attempted to use the Disa stig viewer to view the log, but it doesn't read the file. It ...
0
votes
1answer
446 views

how to have root partition LVM for RHEL 5.8 64 bit on AWS EC2

I am new to this and I have to create a RHEL 5.8 Amazon Machine Image (AMI) in which the root partition should be a logical volume. I know how to create a data partition as a logical volume but am not ...
0
votes
0answers
15 views

Generate what a GRUB2 kernel line would look like

In GRUB 0.97 we were able to see what the kernel line/options would look like by just viewing /boot/grub/grub.conf. Now the only way I know how to check the next boot kernel options/kernel version ...
3
votes
1answer
49 views

What is the difference between hostname, hostname --fqdn, and hostname -A

I have a machine I changed the hostname of. I changed it in /etc/hosts, /etc/sysconfig/network, and with hostname command. hostname returns the correct shortname, hostname --fqdn returns the expected ...
3
votes
3answers
6k views

How to create Local Repositories in RHEL

I need to create a local repository in RHEl 5.5. i386 Because when I type some command in terminal it say that RHEL is not subscribed with RHN which is true. I took it from friend. So can someone ...
1
vote
0answers
11 views

Kexec immediately after Kickstart install (where is cmdline?)

I used to be able to kexec into a new kernel immediately after a kickstart (anaconda) install via pxe. I was able to do this by figuring out the current kernel version, and grabbing cmdline options ...
3
votes
3answers
208 views

Which Red Hat Enterprise Linux packages for CentOS?

I want to use a Red Hat Enterprise Linux RPM software package on CentOS 5.6, but I don't know which version of RHEL works with CentOS 5.6. RHEL 4 = CentOS 4? RHEL 5 = CentOS 5? ...
0
votes
2answers
38 views

Redhat subscriptions - synchronise subscriptions

I have inherited a system admin role of a small cluster of redhat machines - most running rhel5 and one machine running rhel6. My sys admin skills are at the moment poor but I would like to improve ...
0
votes
3answers
744 views

yum install wireshark-gnome

I tried using command yum install wireshark-gnome to install wireshark on RedHat 6.3. And I make sure the network is ok. But it fails cause by below prompt. Loaded plugins: product-id, security, ...
0
votes
3answers
2k views

RHEL:Change Screen Resolution of Virtual Console

I am working on a RHEL 6.3 Workstation. And the monitor is a HD AOC Monitor. Problem I am facing is whenever this machine starts up, it runs with maximum screen resolution. It is a big screen and ...
0
votes
0answers
43 views

Problems with permissions for /tmp

I executed command: chmod 1777 /tmp Now I get these results of executing the ls command from root: ls -ld /tmp drwxrwxrwt 4 root root 4096 Aug 9 05:42 /tmp and from not-root user: ls -ld /tmp ...
1
vote
2answers
3k views

Movie Player requires additional plugins to decode this file

I'm using RHEL 6 .Newbie to Linux. I'm unable to play the video using Movie Player. It shows an error, Movie Player requires additional plugins to decode this file. The following plugins are required ...
1
vote
1answer
29 views

If a start-up script in `init.d` has standard output, where is that logged if anywhere?

We have a startup script that is symbolicly linked to /etc/rc0.d/K01ourapp. Apparently, it is not working as expected during shutdown. The script actually does a few echo calls that may help in ...
2
votes
1answer
368 views

RHEL7 text-only installation

I want to install RHEL7 in purely text-only mode. Although I added the inst.text and inst.cmdline kernel option (since I want it to install from kickstart) it still requires more than a console as it ...
-1
votes
1answer
41 views

RHEL 5 license for RHEL 6?

A few years ago We have bought a "Redhat Enterprise Linux 5 Server" license, we used that license only on offline servers. Now we are migrating to a new system, we need to install RHEL 6 which will ...
2
votes
0answers
15 views

Install `mpl_toolkit.basemap` on RedHat without compiling from source

I need to install matplotlib and mpl_toolkit.basemap on a RedHat machine. matplotlib is already installed but for mpl_toolkit.basemap the only way I could find was to download the source and compile ...
0
votes
0answers
12 views

centos 7, xhost and other user than root

The following worked under CentOS 6: sudo su xhost + su - oracle xclock Under CentOS 7, I get an xclock after sudo su and xhost +, but a DISPLAY error when changing to the other user. Am I ...
2
votes
3answers
74 views

Run a script on multiple shells?

I have two servers one AIX with default shell ksh, the other RHEL with default shell bash. I have a script that is mounted on both that will run similar commands but for either AIX or Linux. This ...
3
votes
1answer
393 views

Authconfig contiously rewriting the /etc/sysconfig/authconfig file, messing up Puppet run

I have been using this LDAP module for a long time in my Puppet environment. The module uploads these files to the RHEL-servers: /etc/openldap/openldap.conf /etc/pam_ldap.conf /etc/nsswitch.conf ...
0
votes
2answers
467 views

Use logrotate to store 7 daily, 4 weekly and 12 yearly db backups

I've been trying to use logrotate to store a database backup for: last 7 days (daily) last 4 weeks (weekly) last 12 months (monthly) I've done a logrotate script like this, but only the daily ...
0
votes
1answer
10 views

Sendmail Message Fail

On my Redhat Prod Server I installed Sendmail that I will use to send DB Backup completion mails to my email id. When I send a email from My Server A 172.16.233.2 to my email id abc@domain.com. using ...
1
vote
2answers
27 views

How to disable SELinux without restart?

I need to disable SELinux but cannot restart the machine i followed this link where i get bellow command setenforce 0 But agter running this command i checked for that sestatus SELinux status: ...
4
votes
3answers
101 views

Command similar to netstat -np but grouped by state and PID?

Is there a command similar to netstat -np but grouped by state and PID? I'd like to know the current count of server connections in a particular state grouped by Programs. similar to, 102 squid ...
0
votes
1answer
51 views

Redhat “httpd” can not start anymore. Showing “suEXEC” and “SELinux” notices

I'm on RHEL 6.5 and Apache 2.2.15. When I restart the httpd, I can not start that httpd anymore. Showing following things in the /var/log/httpd/error_log: [Fri Aug 01 18:31:48 2014] [notice] suEXEC ...
0
votes
0answers
23 views

Unable to install Crypt::SSLeay perl module on RHEL 5.7 (x86_64)

Here is the scenario, actually my RHEL 5.7 (x64_86) server don't have internet connection. but I want to install Crypt::SSLeay perl module on that server. So I downloaded it from CPAN & then ...
0
votes
2answers
1k views

Why is yum not installing my softwares on RHEL 6 ?

I am trying to install avr-gcc using yum on a RHEL 6. But I get this error. [root@xilinx etc]# yum install avr-gcc Loaded plugins: refresh-packagekit, rhnplugin There was an error parsing the RHN ...
0
votes
1answer
946 views

Oracle 11g R2 on Redhat 6

I have a Solaris background, and I am new in RHEL, and I want to install Oracle 11g on it. I downloaded Oracle documentation, that illustrate how to install it for RHEL 6. The following or later ...
3
votes
1answer
548 views

Can't get past EFI to install RHEL on HP Itanium Server

When I am trying to install RHEL (6.3, 5.8, 4.8) on an HP Integrity Server rx2660 Itanium with 4GB RAM, I keep getting to the same point which is Loading file efi\boot\initrd.img...done After that ...
0
votes
2answers
5k views

Install older version of GLibc on RHEL

I'm trying to install GCC 4.4 on RHEL6: sudo rpm -ivh /mnt/dvd/Packages/gcc-4.4.3-1.el6.x86_64.rpm. But the problem is that is depends on glibc and glibc-common libraries. When I try to install them ...
1
vote
1answer
360 views

CentOS vs RedHat on hp DL 380 G5

hp lists downloads for: » Red Hat Enterprise Linux 5 Server (x86) » Red Hat Enterprise Linux 5 Server (x86-64) » Red Hat Enterprise Linux 6 Server (x86) » Red Hat Enterprise Linux 6 Server ...
1
vote
1answer
761 views

httpd-devel requires outdated version of glibc-common on CentOS 6.3

httpd-devel requires an outdated version of glibc-common on CentOS 6.3 x86_64 and Apache/2.2.15. It wants 2.12-1.80.el6 and I have 2.12-1.80.el6_3.3.x86_64 installed (via CentOS @update repo) Here is ...
1
vote
1answer
41 views

rhel 6 default gateway not working

I have six similar RHEL 6 servers in the lab and the settings are same in all the servers. The settings are, static IP address: 129.XXX.XXX.XX Subnet Mask: 255.255.254.0 Default Gateway: ...
0
votes
4answers
20k views

How to read NTFS drives in Linux (RHEL 6)?

My system is on dual boot. I have installed both RHEL 6 and win7 in it. I use RHEL mostly and I want to use my windows' NTFS drive in RHEL. How can I do it? Tell me the procedure.