By default the dockerised version of Zercurity provides a self contained PostgreSQL container as its primary database. Once your deployment starts to grow. The initial configuration of PostgreSQL will start to become a bottle neck. …

We ran into an interesting issue recently with our PostgreSQL cluster running atop Kubernetes and managed with pgo. Where no primary node was elected post a node eviction.

We’d recently performed an upgrade of our Kubernetes cluster from 1.18.X to 1.19.X and the containers were evicted from the older nodes…

Osquery provides inbuilt support for multiple external logging capabilities one of those is AWS Firehose via Kinesis.

AWS Kinesis in their own words. Is a a real-time, fully managed, and scalable platform for streaming data on Amazon Web Services. …

A long over due update for this year so far. However, we’ve been busy working on three new feature sets. The first of which, we’re releasing today. Identity and access management (IAM) control.

Identity and access management (IAM)

Up until this point its only been possible to give users full access to the platform. With…

Whats with all the Kubernetes posts? Well, for sometime Zercurity has supported Kubernetes on-premise. However, we’re now bringing it to GitHub alongside our docker-compose setup and soon our helm build.

Why Kubernetes?

Whilst docker-compose is great for smaller and PoC deployments. If you’re looking to support thousands and thousands of clients in…

Following from our last three posts. There are three primary ways of standing up Kubernetes on vSphere. Each with there own benefits and drawbacks. This post will be the final post of our tree part post looking at VMware’s TKGS.

Following from our last two posts. There are three primary ways of standing up Kubernetes on vSphere. Each with there own benefits and drawbacks. This post will be the second of three looking at VMware’s TKGS.

There are three primary ways of standing up Kubernetes on vSphere. Each with there own benefits and drawbacks. This post will be the first of three looking at VMwares TKGS.

There are lots of ways to use Osquery to query the underlying system. However, no one wants a slow computer.

Performance testing and bench-marking Osquery queries

Some query methods are more performant than others especially when joining tables. Or continually querying from non-cache-able tables with high disk reads. Whilst we’re not going to dive into too…

There are a number of really useful tables within Osquery to determine information about a systems hard drive. Not least the availability of disk space but the disks encryption status and even some performance metrics.

One thing to bear in mind is that there is no common hard drive table…

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