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  • VM Snapshot

    calendar Mar 3, 2026 · 0 min read  ·
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  • Ad Blocking

    calendar Mar 1, 2026 · 0 min read  ·
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  • DNS

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  • DNSSEC

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  • Homelab

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  • Pi-Hole

    calendar Mar 1, 2026 · 0 min read  ·
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  • Privacy

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  • Raspberry Pi

    calendar Mar 1, 2026 · 0 min read  ·
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  • Recursive DNS

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  • Self-Hosted

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Mickael Asghar photo

Mickael Asghar

DevOps Engineer with expertise in cloud computing, automation, microservices, networking, and security - ensuring scalable, secure, and resilient IT systems.
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Recent Posts

  • Multi-Stage Docker Builds: Smaller, Safer, and Faster
  • Shared Storage Across Availability Zones with Amazon EFS
  • Building and Validating an AWS Backup Strategy with Resilience Hub
  • The Blameless Postmortem Mindset: Why Engineers Who Write Them Stand Out
  • How I Prepared Our Java Spring App Servers to Capture JVM Diagnostics During a CPU Spike
  • LDAP Service Failure After VM Snapshot – Configuration Mismatch Resolution
  • Pi-hole and Unbound on Raspberry Pi 4: Private DNS and Network-Wide Ad Blocking
  • SELinux Context Mismatch: The Hidden Culprit in LDAP Certificate Renewal

Categories

SECURITY 5 DEVOPS 4 LINUX 4 INFRASTRUCTURE 3 TROUBLESHOOTING 3 AWS 2 SYSTEM ADMINISTRATION 2 ARCHITECTURE 1 CAREER 1 CI/CD PIPELINES 1 DATABASE 1 DATABASE ADMININISTRATION 1 DOCKER 1 HOMELAB 1
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ARCHITECTURE1 AWS2 CAREER1 CI/CD PIPELINES1 DATABASE1 DATABASE ADMININISTRATION1 DEVOPS4 DOCKER1 HOMELAB1 INCIDENT REPORTS1 INFRASTRUCTURE3 INFRASTRUCTURE MIGRATION1 INFRASTRUCURE1 JAVA1 KUBERNETES1 LINUX4 NETWORKING1 OPERATIONS1 OPTIMISATION1 PERFORMANCE1 SECURITY5 SITE RELIABILITY ENGINEERING1 SOFTWARE ENGINEERING1 SRE1 STORAGE1 SYSTEM ADMINISTRATION2 TROUBLESHOOTING3
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Tags

SSL 4 INFRASTRUCTURE 3 MYSQL 3 TLS 3 ALERT 2 APACHE 2 AWS 2 CERTIFICATE 2 CERTIFICATE MANAGEMENT 2 CLOUDFLARE 2 DEVOPS 2 ENCRYPTION 2 LDAP 2 LINUX 2
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AD BLOCKING1 ALERT2 ALMALINUX1 APACHE2 API1 ARGOCD1 AUTOMATION1 AWS2 BACKUP1 BEST PRACTICES1 BLAMELESS1 BUILD1 BUILDKIT1 CERTIFICATE2 CERTIFICATE MANAGEMENT2 CICD1 CLOUDFLARE2 COMPILER1 CONNECTIVITY1 CPU1 CRC321 DEPLOYMENT1 DEVOPS2 DIAGNOSTICS1 DISKSPACEOPTIMISATION1 DNS1 DNSSEC1 DOCKER1 DOCKERFILE1 EC21 ED255191 EFS1 EKS1 ENCRYPTION2 ENVIRONMENT1 FLASK1 GOLANG1 HEAP DUMP1 HIGH AVAILABILITY1 HOMELAB1 HTTP/21 INCIDENT1 INCIDENT-MANAGEMENT1 INDEX1 INFRASTRUCTURE3 JAVA1 JENKINS1 JVM1 KUBERNETES1 LDAP2 LDAPS1 LINUX2 LINUX SECURITY1 LOAD BALANCER1 LOGMANAGEMENT1 LOGROTATE1 METRICS1 MIGRATION1 MONITORING2 MULTI-STAGE1 MYSQL3 NETWORKING1 NFS1 NODEJS1 OPENLDAP2 PERFORMANCE1 PI-HOLE1 PING1 POSTGRESQL1 POSTMORTEM1 PRIVACY1 PRIVILEDGES1 RASPBERRY PI1 RECURSIVE DNS1 RESILIENCE1 ROLE-BASES ACCESS PROFILES1 ROUTING1 RPO1 RTO1 RUNTIME1 SELF-HOSTED1 SELINUX1 SERVICE1 SLAPD1 SPRING1 SRE1 SSH1 SSL4 SSL/TLS1 STORAGE1 STRATEGY1 SYSADMIN1 THREAD DUMP1 THRESHOLD1 TLS3 TOMCAT1 TROUBLESHOOTING2 TYPESCRIPT1 UNBOUND1 USER CREATION1 VM SNAPSHOT1 VPC1 WEB APPLICATIONS1 WORKBENCH1 ZERO DOWNTIME1
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