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Articles, cert notes, and sysadmin references.
LPIC-2 · AWS · CKA · Networking.

Linux 108 Networking 76 LPIC-2 66 Cisco 52 OTUS 48 LPIC-1 32 Routing 22 DC Design 18 Docs 18 BGP 15 NX-OS 14 OSPF 11 all →
Overview
Popular all →
1
Linux Namespaces
2
LPIC-1 102.1 — Design Hard Disk Layout
3
LPIC-1 102.3 — Manage Shared Libraries
4
LPIC-1 102.4 — Use Debian Package Management
5
LPIC-1 102.5 — Use RPM and YUM Package Management
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LPIC-1 102.6 — Linux as a Virtualization Guest
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LPIC-1 103.1 — Work on the Command Line
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LPIC-1 103.2 — Process Text Streams Using Filters
Recent Posts all →
LPIC-1 102.1 — Design Hard Disk Layout 2026-04-16
LPIC-1 102.3 — Manage Shared Libraries 2026-04-16
LPIC-1 102.4 — Use Debian Package Management 2026-04-16
LPIC-1 102.5 — Use RPM and YUM Package Management 2026-04-16
LPIC-1 102.6 — Linux as a Virtualization Guest 2026-04-16
LPIC-1 103.1 — Work on the Command Line 2026-04-16
Quick References all →
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AWS CLI
AWS · Cloud · CLI · DevOps
🐚
Bash & Scripting
Bash · Shell · Scripting · Linux
🔀
Cisco IOS — Routing
Cisco · OSPF · EIGRP · BGP · IOS
🔌
Cisco IOS — Switching
Cisco · VLAN · STP · EtherChannel · HSRP · IOS
🐳
Docker
Docker · Containers · DevOps
💾
File System
Linux · find · LVM · chmod · ACL · mount
Certification Notes all →
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Network Engineer
17/17 topics
Cisco Routing & Switching · OTUS Course · 24 articles
Course complete✓ All notes
🏗️
Network Architect
9/9 labs
Data Center Design · VxLAN EVPN · OTUS Course · 9 articles
Course complete✓ All labs
🐧
LPIC-1
Verified ↗
Linux Professional Institute · 16 Feb 2025
Passed✓ lpi.org
🖥️
LPIC-2
Linux Professional Institute · Exams 201 & 202
In progress62%
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AWS SAA
Solutions Architect Associate · C03
Planned18%
🌐
CCNA
Cisco Certified Network Associate · 200-301
Queued5%