API
Export AWS EC2 Instance Data to CSV
This guide assumes you are using the AWS-CLI. You will need to install this first if you haven’t already. Here the first four columns pull in the tag information. This better allows me to track […]
Opsview
Opsview Monitor – Remove Advert
After installing Opsview Monitor, your login page will likely look something like the below: Personally I find this advert slightly annoying. Fortunately this can be hidden by editing the following file. At the top of […]
CentOS
Opsview Monitor – Upgrading from 6.0 to 6.1
Upgrading from 6.0.x to 6.1.x should be a straightforward process. Version 6.1.x includes many web UI and theme improvement as well as a massive reduction of reload times – especially if you have a large […]
CentOS
OpsviewImportRuntime Error
Today I started noticing the below errors which were appearing when logged in at the terminal. This can happen when an import get interrupted by a reboot or something. Check an import is not currently […]
Linux
Confluence PlantUML Plugin
Confluence provides a free PlantUML plugin which can be used to create UML diagrams using written text. If you receive the below error… …if you’re hosting it on Linux, you likely just need to install […]
Linux
SSH HTTP Web Proxy
Sometimes, when you’re testing your access to a website for example, it can be useful to change the IP address you appear to be coming from. Ordinarily, when you go to a website, the website […]
API
Installing aws-cli on CentOS 7
There are a number of ways to install the AWS command line tools. Below is the method I favour on CentOS: Check that was successful with: You can now remove the files extracted: Configure aws-cli […]
CentOS 7
Host your Own Yum Repository
Here we create our own yum repository on a fresh up-to-date installation of Centos 7. Configure Nginx First install the EPEL repository. And then Nginx. Start and enable Nginx. Install and configure a local firewall. […]
CentOS
Rackspace – Unable to Access Newly Created CentOS 7 Instance
If you create a virtual machine using the CentOS 7 image, you will initially be able to log in but if you perform a system update and then reboot, you may well find you are […]
CentOS
htpasswd with Nginx on CentOS 7
To setup basic HTTP authentication with Nginx on CentOS 7, first install httpd-tools. Create user and password: Amend your Nginx vhost configuration: Add the following lines: Check and reload vhost configuration: