In this post, I am going to walk you through the process of installing and configuring two- factor SSH authentication via Google Authenticator. My base system is running a fresh install of RHEL 7.2 Installation Steps The first step on my system was to install autoreconf, automake, and libtool. These packages are required by the bootstrap.sh script that … Continue reading RHEL 7 Two-Factor SSH Via Google Authenticator
firewall
Fedora21 – Quick and Dirty with Firewalld
Hey, are you new to Firewalld like most of us?
Unless you have been using Firewalld in the last few releases of Fedora, as some out there have, then you probably could probably use a few pointers to get you started on your way to configuring your Linux firewalls the "new-fangled fancy way". This is especially the case if you plan on moving to RHEL7 anytime soon -- as Firewalld is the default there. So put on your big boy (or girl) pants and say goodbye to your old friend IPTABLES.
RHEL6 – Getting Up Close and Personal With Rsyslog
LogRsyslog has replaced Syslog as the default logging daemon in RHEL6. Rsyslog was designed to complete with syslog-ng and has several enhancements over plain old syslog. This includes but is not limited to more granularity with timestamps, direct database logging, TCP support, and relay server names in host fields which makes it easier to track the path a message has taken.
Below we are going to take a look at a few simple rsyslog configuration items.
RHEL6 – How to Setup an Anonymous FTP Server
Today on the fatmin we are going to setup an ftp server on RHEL6 that accepts anonymous uploads. We are going to do so with SELinux support and will be making modifications to iptables as well.
RHEL6 – Simple Iptables How To
Your mother and I were talking last night about how important it is to properly configure Iptables, and how despite that fact, many just choose to disable it. So today we are going to discuss iptables.
ESX Post Install – Enable NTP and SNMP
This post is the first in what I suspect will be a semi-long list of post-install hints and tips as I go through and start rebuilding my cluster as Vsphere 4. Hopefully I will learn a lot along the way... like for example the fact the ntp and snmp traffic is not allowed by default … Continue reading ESX Post Install – Enable NTP and SNMP