Ansible & Cisco – Automating configuration management.

CiscoLinuxNetworkingServersSystem AdministrationUncategorized

Configuring network equipment has always been somewhat of a tedious affair. Copy and pasting a configuration file through the console port doesn’t scale (or you need a lot of interns!) and other solutions like Cisco Prime are slightly overkill if you only want to change a few lines of configuration. This is where Ansible comes

CentOS 6.5 – Create a Certificate Authority

CentOSLinuxNetworkingRouting

yum install easy-rsa Default Directory : /usr/share/easy-rsa/2.0/

 

CentOS 6.5 – Private key authentication for ssh

CentOSLinuxNetworkingSystem Administrationbestpracticescentoshackinglinuxprivatekeysecuritysystem administration

SSH is secure! I don’t need anything else! Well, you are not exactly wrong. But security is not something that should be taken lightly. I’ve recently acquired a Linode host and I was stunned by the number of unauthorized login attempts. About 99% of those attempts were probably automated scripts crawling the Internet for anything responding to queries