Category Archives: Virtualization

In computing, virtualization refers to the act of creating a virtual version of something, including virtual computer hardware platforms, storage devices, and computer network resources.

AWS: RDS logs, export to the CloudWatch Logs and CloudFormation template
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7 March 2019

We have a bunch of the AWS RDS with MariaDB. Backend-developers asked me to enable slow requests logs so they can debug their application. So the task is: enable AWS RDS logging and configure export to the CloudWatch Logs for further analysis. As everything else – our RDS instances are configured via CloudFormation templates, so… Read More: AWS: RDS logs, export to the CloudWatch Logs and CloudFormation… »

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Linux: The VirtualBox Linux kernel driver (vboxdrv) is either not loaded or there is a permission problem with /dev/vboxdrv
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5 March 2019

After each new VirtualBox installation – I’m stepping on the same rake again and again and have to go to Google to ask: The VirtualBox Linux kernel driver (vboxdrv) is either not loaded or there is a permission problem with /dev/vboxdrv Attempt to load vboxdrv manually also provides the error: [simterm] $ sudo modprobe vboxdrv… Read More: Linux: The VirtualBox Linux kernel driver (vboxdrv) is either not… »

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OpenVPN: OpenVPN Access Server set up and AWS VPC peering configuration
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21 February 2019

OpenVPN Access Server is ready to use OpenVPN server which requires minimal configuration. The free version allows you to have two clients. If you need more – you can buy additional licenses. Infrastructure description Currently to access our resources such as Jenkins, Nexus etc we are using Allow Rules in AWS Security Groups where each user… Read More: OpenVPN: OpenVPN Access Server set up and AWS VPC peering… »

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Grafana Labs: Loki – using AWS S3 as a data storage and AWS DynamoDB for indexes
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13 February 2019

Let’s proceed with the Loki system. First post of this series – Grafana Labs: Loki – logs collecting and monitoring system and the second one – Grafana Labs: Loki – distributed system, labels and filters. There is the Grafana’s Slack community with the dedicated #loki channel where you can ask for some assist (and it’s really helpful).… Read More: Grafana Labs: Loki – using AWS S3 as a data… »

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