Recently I wanted to start measuring the length of time it took for PostgreSQL to acquire a lock so that I could keep an eye on how it changes over time. My PostgreSQL logs contain entries like the following that record the amount of time in ms it took to acquire a lock. 2019-06-11 18:49:39 GMT LOG: …
On [2019-07-29 Mon] we released new builds of our Enterprise Hub packages for 3.12.2 and 3.14.0. This release addresses CVE-2019-10164. PostgreSQL versions 10.x before 10.9 and versions 11.x before 11.4 are vulnerable to a stack-based buffer overflow. Any authenticated user can overflow a …
Today we are very proud and happy to launch our latest non-supported release, CFEngine 3.14.0. 3.14 is a great number, being the closest we will get to π, we also wanted to introduce something very special this time around, and we did! New features Let’s start with an overview of some new …
This post has been re-published with permission. CFEngine provides the services promise type to manage the state of a given service. services type promises are an abstraction of agent bundles, they can be used to declare the desired state for a collection of things identified by a name. Most …
Description The CFEngine engineering team has recently discovered a severe security issue in the CFEngine Enterprise product. CFEngine is using some internal secrets for authentication to the Mission Portal API and the PostgreSQL database when running background maintenance tasks. These internal …
We are happy to release the 2nd update to the CFEngine 3.12 LTS series. This update comes with many important stability and performance improvements and is thus well worth the upgrade from an older version of 3.12 LTS. CFEngine 3.12 LTS brings a lot of innovation, new features and improved …
This was originally published here, it has been re-published with permission. How can I execute a command that uses command substitution in CFEngine? On the console I might execute something like this: Listing 1: Example command substitution touch /tmp/file-$(date --iso-8601) ls /tmp/file-* …
We are now happy to release the 6th update to the CFEngine 3.10 LTS series. This update comes with many important stability and performance improvements and is thus well worth the upgrade from an older version of 3.10 LTS. Looking at the CFEngine release schedule, we can see that CFEngine 3.10 LTS …
About a year ago, I wrote a small python script to automate installing and bootstrapping CFEngine on virtual machines in AWS. It had some hard coded IP addresses that I needed to update when I spawned new hosts, but other than that, it worked well. During manual testing, it saved me a lot of time …
cf-runagent is a component for triggering remote agent runs using the CFEngine network protocol. It does not allow for arbitrary commands to be executed, but rather asks the remote host to run the policy it already has. To trigger cf-runagent from other systems or web interfaces, you want to be able …
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