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This Article assumes renewal of an existing SSL (Letsencrypt) Certificate with DNS managed by Cloudflare. Renewal steps: 0. Preparation 1.Check Validity of the Certificate: In browser / SSL checker / openssl on host Example: vpn.devops100.net 2. Run the certbot command to renew the SSL Certificate for vpn.devops100.net 4. Check the TXT via Google Toolbox 5. … Read more
1.2 The self hosted Gitlab runner (executable on Linux VM) is not configured properly to use DinD Source: https://docs.gitlab.com/ee/ci/docker/using_docker_build.html#use-docker-in-docker 2.3 THIS SOLUTION IS POTENTIALLY UNSAFE – ALTERNATIVE Alternative is to use kaniko to create the docker image. kaniko solves two problems with using the Docker-in-Docker build method: * Docker-in-Docker requires privileged mode to function, which … Read more
Cloudflare does not proxy traffic on port 25 (SMTP) unless Cloudflare Spectrum is enabled and configured to proxy email traffic across Cloudflare. If you do not have Spectrum enabled, then no email traffic (SMTP) will actually pass through Cloudflare, and we will simply resolve the DNS. This also means that any DNS record used to send email … Read more
After creating a DNS domain (+ Records) in Cloudflare you can have issues getting to your websites because the SSL/TLS settings are not correct In most cases it can be solved by choosing ‘Full (strict) encryption’ in the SSL/TLS menu ! LINK
SMTP + IMAP + POP3 + Antispam + AntivirusWeb administration + Web email…on your server in ~5 minutes Link
Change the provider block with hard-coded path to the credentials file After this the error should not occur anymore ! Link
There is a Terraform module to deploy a single Docker host (in swarm mode) on Hetzner Cloud. A separate Hetzner Cloud volume is also created, attached and configured as the Docker root directory. See the variables file for the available configuration settings. The resources/services/activations/deletions that this module will create/trigger are: Create a server and cloud … Read more
AIX Azure Cloudshell cheat sheet Azure Cheatsheet ( https://lzone.de/cheat-sheet/Azure) List VMs + Public Ips and access with ssh (after that az login and aks get-credentials) Goto Azure Cloudshell and get ip of the box. 0. Set default subscription if not correct (check with ‘az account list’ to see where “isDefault”: true,) azureuser@jumpboxvm:~$ az account set –subscription … Read more
