{"id":76,"date":"2025-11-30T16:13:29","date_gmt":"2025-11-30T16:13:29","guid":{"rendered":"https:\/\/adler-tech.com\/?page_id=76"},"modified":"2026-04-14T10:19:16","modified_gmt":"2026-04-14T09:19:16","slug":"zabbix-advanced-training","status":"publish","type":"page","link":"https:\/\/adler-tech.com\/?page_id=76","title":{"rendered":"Zabbix Advanced Training"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\"><\/h2>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Duration:<\/strong> 3 days (24 hours total)<br><strong>Focus:<\/strong> Scaling, distributed monitoring, performance tuning, automation, advanced triggers, custom scripts, API usage, HA, security hardening, and deep database analytics.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><\/h1>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Day 1 \u2013 Scaling &amp; Distributed Architecture<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Chapter 1 \u2013 Advanced Architecture<\/strong><\/h3>\n\n\n\n<p>What changes when Zabbix grows. Internal queues, pollers, internal processes, buffer handling, heavy mode, unreachable checks, data flow under load.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Chapter 2 \u2013 Proxies Deep Dive<\/strong><\/h3>\n\n\n\n<p>Passive vs active proxy behavior, caching logic, DB writing mechanics, proxy performance tuning, troubleshooting delayed data.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Chapter 3 \u2013 High Availability (HA)<\/strong><\/h3>\n\n\n\n<p>Corosync\/Pacemaker patterns, Zabbix server + DB HA, shared storage, virtual IP failover, avoiding split-brain conditions.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Chapter 4 \u2013 Database Optimization<\/strong><\/h3>\n\n\n\n<p>MySQL\/PostgreSQL tuning: buffer pools, query_cache, WAL settings, partitioning history tables, purging strategy, optimizing slow queries.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Chapter 5 \u2013 Caching &amp; Internal Processes<\/strong><\/h3>\n\n\n\n<p>Value cache, configuration cache, prestored IDs, trend functions, queue size interpretation, handling overloaded pollers\/trappers.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Day 2 \u2013 Advanced Monitoring Logic &amp; Automation<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Chapter 6 \u2013 Advanced Items<\/strong><\/h3>\n\n\n\n<p>Low-level discovery (LLD) for filesystems, network interfaces, services. Complex preprocessing pipelines (regex, JSONPath, XML, JS).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Chapter 7 \u2013 Advanced Triggers<\/strong><\/h3>\n\n\n\n<p>Trigger functions, multiple item dependencies, recovery expressions, event correlation, symmetric and asymmetric conditions, maintenance-aware logic.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Chapter 8 \u2013 Actions &amp; Escalations<\/strong><\/h3>\n\n\n\n<p>Complex multi-step escalations, conditional branching, throttling, maintenance windows, tagging-based routing.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Chapter 9 \u2013 Scripts, External Checks &amp; UserParameters<\/strong><\/h3>\n\n\n\n<p>Custom shell\/Python scripts, execution environments, safe paths, performance constraints, data validation.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Chapter 10 \u2013 Web Monitoring<\/strong><\/h3>\n\n\n\n<p>HTTP probes, content checks, form login, session cookies, error patterns, multi-step scenarios with authentication.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Chapter 11 \u2013 API Automation<\/strong><\/h3>\n\n\n\n<p>Creating hosts, mass operations, templating, provisioning, integrations with GitLab\/Ansible\/CI pipelines. Token security best practices.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Day 3 \u2013 Security, Hardening, Alerting, and Deep Troubleshooting<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Chapter 12 \u2013 Security Hardening<\/strong><\/h3>\n\n\n\n<p>Frontend\/IP restrictions, DB credential minimization, encryption between proxies and agents, secret rotation, log sanitization.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Chapter 13 \u2013 Alert Channels<\/strong><\/h3>\n\n\n\n<p>Webhook automation, custom JSON payloads, Slack\/Teams\/Telegram integration, error handling for failed sends.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Chapter 14 \u2013 Performance Auditing<\/strong><\/h3>\n\n\n\n<p>Analyzing internal queues, process busy percentages, housekeeping optimization, database slow logs, poller starvation diagnosis.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Chapter 15 \u2013 Distributed Monitoring<\/strong><\/h3>\n\n\n\n<p>Remote sites, firewalled networks, VPN, proxies in chained topology, multi-proxy routing issues.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Chapter 16 \u2013 Log Collection &amp; Parsing<\/strong><\/h3>\n\n\n\n<p>Centralizing logs, preprocessing pipelines, structured log parsing, binary log monitoring.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Chapter 17 \u2013 Disaster Recovery &amp; Backup<\/strong><\/h3>\n\n\n\n<p>Full + partial backups (configuration, database, history), snapshot strategy, restore procedures, Zabbix server rebuild logic.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Chapter 18 \u2013 Troubleshooting Workshop<\/strong><\/h3>\n\n\n\n<p>Real-world patterns: unreachable hosts, corrupted proxy DB, poller overload, mass delays, configuration sync issues, missing LLD.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Duration: 3 days (24 hours total)Focus: Scaling, distributed monitoring, performance tuning, automation, advanced triggers, custom scripts, API usage, HA, security hardening, and deep database analytics. Day 1 \u2013 Scaling &amp; Distributed Architecture Chapter 1 \u2013 Advanced Architecture What changes when Zabbix grows. Internal queues, pollers, internal processes, buffer handling, heavy mode, unreachable checks, data flow [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":74,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-76","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Zabbix Advanced Training - ADLER-TECH<\/title>\n<meta name=\"description\" content=\"Performance tuning your zabbix host, proxies and HA setup. Deep dive on internal processes and caching functions. 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