AWS: Redshift – quick start and SQL-workbench connection config
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18 October 2019

Our data-analytics team eventually started to play with an AWS Redshift cluster instead of the MariaDB RDS service. Actually, the current task is to spin up a simple Proof of Concept Redshift’s cluster in the AWS. Let’s do it quickly, without details – if this will go to the Production, I’ll add another post with… Read More: AWS: Redshift – quick start and SQL-workbench connection config0 (0) »

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Jenkins: SAML, Okta, user groups and Role-Based Security plugin
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15 October 2019

Still on the subject of the Okta and SSO for Jenkins – let’s configure a Role-Based Security plugin for our Jenkins. See the first part in the Jenkins: SAML Authentication with Okta SSO and users groups post. The general idea is to have user groups defined in the Okta, and Okta has to pass a… Read More: Jenkins: SAML, Okta, user groups and Role-Based Security plugin0 (0) »

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OpenVPN: the No route to host and ERR_ADDRESS_UNREACHABLE errors – the cause and a solution
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14 October 2019

We have an OpenVPN Access Server running, see its setup in the OpenVPN: OpenVPN Access Server set up and AWS VPC peering configuration post. The VPN server is hosted in a first AWS VPC, while a Bitwarden service – in another one VPC. Between those VPCs we have a VPC peering configured, and the OpenVPN… Read More: OpenVPN: the No route to host and ERR_ADDRESS_UNREACHABLE errors –… »

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Jenkins: SAML Authentication with Okta SSO and users groups
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11 October 2019

SAML – Secure Assertion Markup Language is used for federated authentication when some service which we need to get access to (a Service Provider), asks another service (an Identity Provider) to perform a user’s authentification. Check the documentation here>>>. Service Provider (SP): is a system where need to authenticate, in our case this will be Jenkins… Read More: Jenkins: SAML Authentication with Okta SSO and users groups0 (0) »

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Vertica: a simple cluster set up and configuration on AWS EC2
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10 October 2019

Vertica is a data warehouse solution intended to store petabytes amount of data. The task, for now, is to spin up a kind of Proof of Concept for Vertica on an AWS EC2 to take a closer look at its setup and to give it to data-analytics to play with it a bit. Vertica has… Read More: Vertica: a simple cluster set up and configuration on AWS… »

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Debian: logrotate won’t rotate logs with an “unknown group ‘syslog'” error
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9 October 2019

We have an AWS EC2 with Debian and logrotate. One day its root partition was exhausted and when I started investigating it – found, that we have a bunch of files like /var/log/syslog.N.gz. At the same time by default logrotate creates a config file to rotate syslog log files: [simterm] root@monitoring-dev:~# cat /etc/logrotate.d/syslog # Ansible… Read More: Debian: logrotate won’t rotate logs with an “unknown group ‘syslog'”… »

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Okta: the Custom domain and TLS configuration
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4 October 2019

You can use your own domain configured for Okta. The one thing worth to mention here is the fact that Okta’s official plugin doesn’t work with a Custom domain feature so you’ll have to use Okta’s URL for the plugin authentification, see the  documentation for details. Custom domain configuration Go to the Settings > Customization:… Read More: Okta: the Custom domain and TLS configuration0 (0) »

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Jenkins: Docker Compose deployment from Ansible with ECR authentication
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26 September 2019

In addition to the AWS: create an Elastic Container Registry and Jenkins deploy job post – the next part, where we will create a new Jenkins job to deploy a Docker Compose file to run our Docker image. Docker Compose file will be updated by an Ansible role called docker-deploy, which will set the desired… Read More: Jenkins: Docker Compose deployment from Ansible with ECR authentication0 (0) »

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