Articles tagged "linux"
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Grafana Loki Tutorial 2026: Centralize Linux and Docker Logs Without Elasticsearch
Grafana Loki tutorial 2026: deploy Loki with Docker Compose, ship Linux syslog and Docker container logs with Promtail, query with LogQL, and build Grafana dashboards. 10x cheaper than Elasticsearch.
eBPF and Cilium Tutorial 2026: Kubernetes Networking and Security
Learn eBPF and Cilium in 2026 — the #1 Kubernetes networking trend. Install Cilium as your CNI, write network policies, use Hubble for observability, and replace kube-proxy with eBPF.
Bash Scripting for DevOps 2026: 5 Production Scripts with Error Handling and Tests
Bash scripting for DevOps engineers: 5 production-ready scripts for log rotation, HTTP health checks, PostgreSQL backup, Docker deploy, and secret rotation — with error handling, ShellCheck, and bats tests.
Docker Compose v2 Tutorial 2026: From Local Dev to Production with Profiles, Health Checks, and Secrets
Docker Compose v2 tutorial 2026: compose.yaml structure, health checks, profiles for dev/staging/prod, secrets management, named volumes, depends_on with conditions, and production patterns.
Git Rebase vs Merge vs Squash: When to Use Each (2026 Guide)
Git rebase vs merge vs squash explained: when each strategy produces a better commit history, how to do interactive rebase, how to fix a botched rebase, and team workflow recommendations.
Linux File Permissions Explained 2026: chmod, chown, umask, SUID/SGID, and ACLs
Linux file permissions complete guide 2026: read/write/execute bits, chmod octal and symbolic, chown, umask, SUID/SGID security risks, sticky bit, and setfacl/getfacl for fine-grained ACLs.
Linux Process Management 2026: ps, top, htop, btop, kill, nice, and OOM Killer
Linux process management guide 2026: ps aux, top, htop, btop/bpytop, kill signals, nice/renice, lsof, strace, /proc filesystem, zombie processes, OOM killer, and systemd-cgtop for cgroups.
Nginx Reverse Proxy Tutorial 2026: TLS, Rate Limiting, Load Balancing, and Security Headers
Production Nginx reverse proxy tutorial 2026: configure TLS with Certbot, rate limiting, load balancing, security headers, JSON logging, and performance tuning for FastAPI/Flask/Node backends.
Terraform Tutorial 2026: Deploy AWS Infrastructure for Python Apps — VPC, EC2, RDS, S3
Terraform tutorial 2026: deploy a full AWS stack for Python apps — VPC with public/private subnets, EC2, RDS PostgreSQL, S3, modules, remote state in S3, and estimated monthly cost.
tmux Tutorial 2026: From Zero to Productive with Sessions, Config, and Neovim Integration
Complete tmux tutorial 2026: sessions, windows, panes, full .tmux.conf config, automation startup script, SSH persistence, neovim integration with vim-tmux-navigator, and tpm plugins.