Linux

Docker CLI
22 Mar 2026 2,529 words · 12 min read #virtualization #docker #containers #linux #networking
Reference for the Docker command-line interface: container lifecycle, image management, builds, volumes, networking, resource constraints, backup, and troubleshooting.
etcd
22 Mar 2026 1,570 words · 8 min read #databases #etcd #kubernetes #raft #key-value-store #linux
Distributed key-value store built on Raft, used as the cluster state store for Kubernetes. Covers install, single-node and three-node cluster setup, TLS, RBAC, backup/restore, tuning, and monitoring.
Filesystem Creation
22 Mar 2026 1,389 words · 7 min read #storage #linux #filesystem #partitioning #fstab
Guide to partitioning disks with fdisk and parted, creating ext4/XFS/Btrfs/FAT32 filesystems, setting up swap and UEFI boot partitions, and configuring persistent mounts via fstab.
FirewallD
22 Mar 2026 1,693 words · 8 min read #networking #linux #firewall #firewalld #nftables
Reference for FirewallD, the dynamic firewall manager for Linux that uses zones and services on top of nftables. Covers zones, services, ports, rich rules, NAT, ICMP filtering, and troubleshooting.
Git
22 Mar 2026 1,964 words · 10 min read #linux #cli #git #version-control
A reference for the Git distributed version-control system covering installation, configuration, branching, remotes, stashing, rebasing, signing, hooks, and LFS.
GlusterFS
22 Mar 2026 1,600 words · 8 min read #storage #glusterfs #distributed-filesystem #nas #linux
Reference for GlusterFS, a distributed network filesystem that aggregates storage bricks from multiple servers into one namespace. Covers volume types, installation, volume and security configuration, clients, …
HAProxy
22 Mar 2026 1,679 words · 8 min read #web #haproxy #load-balancer #reverse-proxy #linux
Reference for HAProxy as a TCP/HTTP load balancer and reverse proxy: installation, configuration structure, SSL termination, ACL routing, rate limiting, health checks, stats, and database load balancing.
Helm
22 Mar 2026 1,129 words · 6 min read #kubernetes #helm #charts #linux #virtualization
Package manager for Kubernetes that uses charts to define, install, and upgrade applications on clusters. Covers architecture, installation, command reference, chart structure, chart creation, values and templating, and …
IPTables
22 Mar 2026 1,943 words · 10 min read #networking #iptables #firewall #linux #netfilter #nat
Reference for the legacy iptables packet-filtering utility: tables, chains, targets, stateful matching, NAT, rule management, and per-distribution persistence. Covers the iptables-nft compatibility layer for modern …
K9s
22 Mar 2026 1,169 words · 6 min read #kubernetes #k9s #linux #terminal-ui #kubectl
Terminal UI for Kubernetes clusters. Covers install, navigation and resource commands, context and namespace switching, keyboard shortcuts, filtering, configuration files, plugins, skins, and troubleshooting.