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kernel upgradation or change in RHEL

Posted 01-24-2012 at 04:46 AM by deep27ak
Updated 08-18-2012 at 04:02 AM by deep27ak

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chek your version of kernel

Code:

#rpm -qa | grep kernel

go to your repository location as I have mine inside yum directory

Code:

#rpm -ivh /yum/kernel-2.6.18-8.el5.i686.rpm

you will find two entries in your grub.conf

Code:

#vi /boot/grub/grub.conf
default=1
timeout=5
splashimage=(hd0,0)/boot/grub/splash.xpm.gz
hiddenmenu
title Red Hat Enterprise Linux Server (2.6.18-8.el5xen)

...

deep27ak

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configuration of squirrel mail in RHEL 5.2

Posted 12-23-2011 at 03:39 AM by deep27ak
Updated 08-18-2012 at 04:02 AM by deep27ak

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To install squirrel mail you will need to download the tar file.
here is a link where you can find one

http://squirrelmail.org/download.php

make a directory inside /var/www/

Code:

#mkdir /var/www/mail

and unzip the file tar file inside this directory. You can use this command for that

Code:

#tar -tjvf squirrelmail.x.x.x.tar.bz2

you might also need php and php-imap to...

deep27ak

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DNS configuration in RHEL (Forward and reverse zone)

Posted 11-10-2011 at 04:13 AM by deep27ak
Updated 08-18-2012 at 04:03 AM by deep27ak

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Few things you need to check before starting with configuration:

For explanation I am using 192.168.0.100 (you need to give your machine's IP instead) and all other conventions will vary as per your requirements. So make sure to change them.

Code:

#vi /etc/sysconfig/network-scripts/ifcfg-eth0
IPAddr=192.168.0.100 (will vary accordingly)

Code:

#vi /etc/resolv.conf
nameserver 192.168.0.100

...

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sendmail configuration in RHEL

Posted 11-08-2011 at 03:23 AM by deep27ak
Updated 08-18-2012 at 04:03 AM by deep27ak

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Many times I have seen people complaining about their sendmail configuration.

So here I am going to explain configuration of sendmail on RHEL 5

NOTE: This is a simple configuration but if you want to insert some special permissions and authentications let me know I will try to help with additional info

To start of you need to check for the presence of STARTLS and SASLv2 in your machine

Code:

#sendmail

...

deep27ak

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