About Wirelab
Network & Cloud Solution Design for emerging and established businesses
Given you have visited this site I take you are looking for a well versed, enthusiastic, technically minded, methodical freelancer who can deliver Project or BAU work unsupervised, be up to speed quick and hit the ground running.
You are interested in added value, scalability, high-availability, improved quality, efficiency and a honest approach - perhaps a second pair of eyes?
Look no further!
Feel free to get in touch by sending a message below, check out the ever expanding tech stack I have been working with over the years of service under About or
read the technical how-tos under Posts.
Best wishes,
David Takacs
Amazon Cloud Services
Migration, Cloud Data Centre
Routing & Switching
Design, Implementation
Troubleshooting
Proactive Maintenance, Break/Fix
Get in touch
Latest Posts
MyISAM engine conversion to InnoDB in RDS
Hello there! If you are familiar with RDS and especially with MySQL running on RDS you may already know but for me this was a new thing that I missed when setting up and importing an existing database to MySQL. AWS documentation clearly states to achieve a robust backup solution – in terms of restore
-> Continue reading MyISAM engine conversion to InnoDB in RDS
Deploy OpsWorks to RHEL 7
Amazon Web Services offers OpsWorks as an orchestration tool for Chef. It works with built-in modules, community Chef cookbooks as well as private repositories. In this tutorial I’ll attempt to bring an existing Linux server under OpsWorks’ realm so can manage it with Chef later on. After logging into the AWS console navigate to
-> Continue reading Deploy OpsWorks to RHEL 7
HTTPS 401 error when updating AWS Red Hat 7 custom AMI
Hello there! Upon testing AWS Auto-scaling I came across a problem with an RHEL AMI that I created from a snapshot. Basically the VM started up and everything seemed ok eg. database up, services started however when I tried to check for updates I received a 401 HTTPS error – Unauthorized from all the mirror
-> Continue reading HTTPS 401 error when updating AWS Red Hat 7 custom AMI
WordPress engine installation on RHEL 7 running in Amazon Web Services (AWS)
Amazon have a good write up on how to install WordPress on Amazon Linux AMIs however I couldn’t find much on how to get it working with Red Hat. I wondered if it was any different so got on with it and found it was pretty much identical. Given the prerequisites have all been completed
-> Continue reading WordPress engine installation on RHEL 7 running in Amazon Web Services (AWS)
Public Folder Calendar invalid permissions
Have come across this error quite a few times and it can cause a bit of a headache to figure this all out. Please follow the steps below to get it fixed – note your milage may vary as each and every environment is slightly different. The following error is received when assigning permissions. The
-> Continue reading Public Folder Calendar invalid permissions
Office 365 incremental sync stuck
Working with Office 365 and migration in specific has always been fun as the amount of errors are pretty much endless. Have you ever wondered why and incremental sync gets stuck after some time? If so let’s switch into troubleshooting mode to get to the bottom of this weird issue. Logs of last successful sync
-> Continue reading Office 365 incremental sync stuck
Top 5 Office 365 migration errors
Having done some Office365 email migrations have seen quite a few odd error messages and collected a few of the most common below. Microsoft technical support usually advise to retry the batch which is a valid request however most often than not it is far from a viable solution. Let’s see our first error!
-> Continue reading Top 5 Office 365 migration errors
AWS LAMP stack install on Red Hat 7.4
In preparation of a webserver and attached backend database migration I have started working on building an AWS base image for this purpose. I chose RHEL 7.4 (Maipo) as it is Free Tier eligible on AWS. No hefty bills from the current host – Yay! As the expected load won’t be too high a micro
-> Continue reading AWS LAMP stack install on Red Hat 7.4
Mimecast signature setup
Have been searching the web for a detailed step-by-step document on how Mimecast signatures can be configured and as there wasn’t any comprehensive documents for integration with Microsoft Azure & Office365 hereby I am sharing what worked for me. Please note your milage may vary and the below may not be applicable to your environment.
-> Continue reading Mimecast signature setup