Arch Linux
Installing Popcorn Time on Arch Linux
I was looking for a Showbox equivalent that I could easily install on my Arch Linux desktop, when I came across Popcorn Time. Like Showbox, this program is a free and similar to the likes […]
Linux
Java
Installing Oracle Java on Ubuntu 14.04 LTS
You will need to run the following as the root user. To install Java 7… …and for Java 8… You will have to agree and accept the following licenses: You can quickly test both java […]
Linux
Saving and Restoring iptables
It’s good practice to backup iptables before making any changes. And if you need to restore, you can use either…. …or…
CentOS 6
Protect Your Cloud Infrastructure Servers with Isolated Cloud Networks
Contents1 Create a Private Cloud Network2 Create a Proxy Server and Attach to the Private Network2.1 Proxy Bastion Configuration2.1.1 CentOS 6.62.1.1.1 Enable IP Forwarding2.1.1.2 Configure Static NAT and Forwarding Rules2.1.2 CentOS 72.1.2.1 Method 12.1.2.1.1 Define […]
CentOS 7
Install and Configure fail2ban on CentOS 7
To install fail2ban on CentOS/RHEL 7, you first need to make sure you have the EPEL repository enabled. Then you can simply install it with yum as usual. Configure fail2ban You will need to create […]
CentOS 7
Repodata is over 2 weeks old
In Red Hat 7 / CentOS 7, you may need to clear your repository cache if you see the below message when using yum. Repodata is over 2 weeks old. Install yum-cron? Or run: yum […]
CentOS 7
Securing an SSH Server
Nobody likes to log into their server and see this! Over 31,00 failed root login attempts in just a few days!! Disable Root Logins By default (on my system atleast), root logins are enabled. Before […]
Linux
First Attempt at Searching for Failed SSH Logins
Nobody likes to log into their server to see there have been over 31,00 failed login attempts in a few days!! [andy@bashful ~]$ ssh [email protected] Last failed login: Sun Feb 8 16:31:28 UTC 2015 from […]
Java
Using HelloWorld to Test a JDK Installation
To test that your Java Development Kit (JDK) is installed correctly, you need to write a simple Java program, compile it, and run the compiled bytecode. A simple Java HelloWorld example looks like this. You […]
CentOS 7
Getting Started with the Rackspace Nova Client
You will need to export some environment variables used by the Nova client. If you have a UK-based Rackspace cloud account, you will need to enter something like this: …And if you have a US, […]