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87%
Verifying TLS Certificates
06.08.2026
Home »  Archive  »  2026  »  Issue 94 OpenSt...  » 
Lead Image © Christos Georghiou, 123RF.com
.example.net | jq .certificates[0].issuer.organization[0] If you don't keep track of your web certificate expiry dates, you can let your monitoring system handle it. The classic Nagios uses the check
87%
Manage VMs and Containers with Harvester
06.08.2026
Home »  Archive  »  2026  »  Issue 94 OpenSt...  » 
Lead Image © Lightwise, 123RF.com
network for the virtual machines. Assigning the NICs of the individual nodes to the cluster network as uplinks is useful if the LAN adapters on the nodes have different names (e.g., enp39s0 on one and enp4
87%
Containerized Applications with Azure Container Apps
06.08.2026
Home »  Archive  »  2026  »  Issue 94 OpenSt...  » 
Lead Image © Alexander Litvinenko, 123RF.com
to know the implementation details. In a practical example: Instead of manually sending HTTP requests to another app in the code, you can simply call http://localhost:/v1.0/invoke
87%
Testing Disaster Recovery Plans with Chaos Engineering
02.06.2026
Home »  Archive  »  2026  »  Issue 93 Disast...  » 
Photo by Mark Timberlake on Unsplash
Gremlin LitmusChaos Licensing model Commercial (SaaS, agent-based) Open source (Apache 2.0, free) Target platforms Multiplatform: virtual machines, bare metal, Docker
87%
Virtualize Browsers, Apps, and Desktops
02.06.2026
Home »  Archive  »  2026  »  Issue 93 Disast...  » 
Lead Image © denis cristo, 123RF.com
machine. In this case, simply use the local loopback address, 127.0.0.1. Now, save the configuration and type the following to start the container: docker compose up -d Docker downloads the Neko image
87%
Isolating Containers from Container Attacks
06.08.2026
Home »  Archive  »  2026  »  Issue 94 OpenSt...  » 
Photo by Patrick Humm on Unsplash
vulnerability and exposure (CVE)-2024-23652 was particularly severe, with a Common Vulnerability Scoring System (CVSS) score of 10.0, and allowed attackers to delete arbitrary files during a container's build
87%
Building a Persistent Local AI Stack
02.06.2026
Home »  Archive  »  2026  »  Issue 93 Disast...  » 
Photo by Marius Masalar on Unsplash
: devices: - driver: nvidia count: all capabilities: [gpu] environment: - OLLAMA_GPU_LAYERS=0 restart: unless-stopped openwebui: image: ghcr
87%
Closing the CephFS Trust Gap
06.08.2026
Home »  Archive  »  2026  »  Issue 94 OpenSt...  » 
Lead Image © lightwise, 123RF.com
QEMU 5.0 libvirt 6.2 Guest kernel 5.4 Instance memory File-backed or huge pages Before creating shares, confirm that the compute node
87%
Centralized Logging with Loki, SeaweedFS, and Grafana
06.08.2026
Home »  Archive  »  2026  »  Issue 94 OpenSt...  » 
Photo by Josh Rakower on Unsplash
server: http_listen_port: 3100 grpc_listen_port: 9096 common: instance_addr: 127.0.0.1 path_prefix: /var/lib/loki storage: filesystem: chunks_directory: /var/lib/loki/chunks rules
87%
Backup and Restore in Entra ID
02.06.2026
Home »  Archive  »  2026  »  Issue 93 Disast...  » 
Photo by Pavitra Baxi on Unsplash
. The endpoint is https://graph.microsoft.com/v1.0/directory/deletedItems//zrestore# . Use the POST HTTP command. If the restore is successful, the API confirms with a 200 OK response. You

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