fail2ban missing whois program

fail2ban missing whois program

missing whois program in fail2ban email alerts . you are not able to receive IP information .

#yum search whois

gnome-nettool.x86_64 : A GNOME interface for various networking tools
jwhois.x86_64 : Internet whois/nicname client.
perl-Net-Whois.noarch : Get and parse “whois” domain data from InterNIC
perl-Net-Whois-IP.noarch : Perl extension for looking up the whois information
: for ip addresses

# yum install jwhois.x86_64

now test whois command

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How to Install the noip Client on Linux

How to Install the noip Client on Linux

noip  provides free Dynamic DNS services  ( http://www.noip.com/remote-access) as DynDns was providing but its allow only three hostnames as free.

This guide will walk you through the installation and setup of the Dynamic Update Client (DUC) on a computer running Linux.  If you are using Ubuntu or Debian Linux please check our support site for guides on their specific setup.

If you are using Ubuntu Linux, please click here.

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Remote Host Identification Has Changed error and solution

Remote Host Identification Has Changed error and solution When we run scp command  to copy data to remote host its gives us error @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ @ WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED! @ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ IT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY! Solution is $ ssh-keygen -R {server.name.com} $ ssh-keygen -R {ssh.server.ip.address} $ ssh-keygen -R … Read more

How to search text in linux

How to search text in linux You can use grep command in Linux  for example grep -Ril “text-to-find-here” / i stands for upper/lower case (optional in your case). R stands for recursive. l stands for “show the file name, not the result itself`.

CentOS ISO Images Download

CentOS 6.3 32 bit minimal install ISO http://mirror.wiredtree.com/centos/6/isos/i386/CentOS-6.3-i386-minimal.iso CentOS 6.3 64  bit minimal install ISO http://mirror.wiredtree.com/centos/6/isos/x86_64/CentOS-6.3-x86_64-minimal.iso Good mirror site for all CentOS ISO images http://mirror.wiredtree.com/centos/ http://archive.kernel.org/centos-vault/    

How to install Linux from USB

I don’t have DVD Drive on my new Desktop I was worried how i will install OS on my Desktop. I got a good utility ISO2USB . its converting bootable ISO image to bootable USB and i was able to boot from USB and install OS on my Desktop ISO2USB download link

Unable to install Webmin

Unable to install Webmin If you are getting below error message while installing webmin warning: rpmts_HdrFromFdno: Header V3 DSA signature: NOKEY, key ID 11f63c51 Public key for webmin-1.570-1.noarch.rpm is not installed You need to download the key and install it wget http://www.webmin.com/jcameron-key.asc rpm –import jcameron-key.asc