🚀 Pro TecMint now has 16 Linux courses live! 🟢 Beginner: Learn Linux in 7 Days → pro.tecmint.com/learn-linux/ 100+ Essential Linux Commands → pro.tecmint.com/linux-comman… 11 Best Linux Distributions → pro.tecmint.com/best-linux-d… Linux Interview Handbook → pro.tecmint.com/linux-interv… SSH Complete Course → pro.tecmint.com/ssh-complete… 🔵 Advanced: AI for Linux → pro.tecmint.com/ai-for-linux… Bash Scripting → pro.tecmint.com/learn-bash-s… Ubuntu Handbook → pro.tecmint.com/ubuntu-handb… Linux Performance Monitoring → pro.tecmint.com/linux-monito… Golang for DevOps → pro.tecmint.com/learn-go/ Claude for Linux → pro.tecmint.com/claude-code-… 🏆 Certifications: RHCSA → pro.tecmint.com/rhcsa-certif… RHCE → pro.tecmint.com/rhce-certifi… LFCS → pro.tecmint.com/lfcs-certifi… LFCA → pro.tecmint.com/lfca-certifi… All courses included in the Root plan at $8/month or $59/year. Lifetime access at $199 one-time. 👉 pro.tecmint.com/ #Linux #SysAdmin #DevOps

Looking to access local SSH and web apps behind NAT? This guide shows you how to use frp to expose local services to the internet without port forwarding, using a public server and secure tunnels. Learn how to set up frps and frpc, expose SSH and HTTP services, run frp as systemd services, and secure your tunnels with token authentication and restricted ports. 📖 Read here: tecmint.com/frp-reverse-prox… 👉 Follow @tecmint for daily #Linux, #LinuxTips, #Networking, #frp, #ReverseProxy, #SSH, #NAT, #SysAdmin, and #TechTips

In Chapter 6 of our #Linux for #DevOps course, you'll learn how to manage team SSH keys from a single source of truth, secure an automation key with `restrict` and `from=`, rotate a lost key, and fix common SSH permission errors. Read the chapter: pro.tecmint.com/centralized-… Follow @tecmint to get notified whenever a new chapter is released.

Looking to test TCP and UDP ports on Linux? This guide shows you 5 practical ways to check whether ports are open, closed, or reachable using `nc`, `nmap`, `ss`, and built-in Bash commands. Learn how to test remote ports, check listening ports, scan TCP and UDP services, and troubleshoot network connectivity directly from the Linux terminal. 📖 Read here: tecmint.com/test-open-ports-… 👉 Follow @tecmint for daily #Linux, #LinuxTips, #Networking, #TCP, #UDP, #Nmap, #Netcat, #SysAdmin, and #TechTips

In Chapter 5 of our #Linux for #DevOps course, you'll give each role the sudo access it needs using groups, Cmnd_Alias, and /etc/sudoers.d, validate every rule with visudo, and audit sudo use in the journal. Read the chapter: pro.tecmint.com/linux-sudo-p… Follow @tecmint to get notified whenever a new chapter is released.

In this guide, we look at 5 lightweight Linux tools that make everyday jobs easier, from Git and JSON to file watching, image previews, and disk checks. If you spend a lot of time in the terminal, these are worth trying. Read the full guide: pro.tecmint.com/blog/lazygit… Follow @tecmint for more such articles. #Linux #entr #Nginx #SysAdmin #DevOps #TecMint

Follow @tecmint to improve your Linux skills with articles, courses, ebooks, and CLI tips.

Still using GitHub tokens on your servers? gh auth setup-git and four simple Git config tweaks can make GitHub authentication and Git workflows easier to manage. This guide shows you how to set up GitHub authentication with GitHub CLI, simplify Git configuration, and make your server workflow smoother with just a few commands. Read here: tecmint.com/git-github-cli-t… Follow @tecmint for daily #Linux, #systemd, #SysAdmin, #DevOps, #BootTime, #LinuxTips, #RockyLinux, and #TechTips.

Tired of jumping between multiple terminals just to follow Linux server logs during an incident? This guide shows a cleaner way to monitor several log streams, filter noisy output, search for errors faster, and keep everything organized from one terminal. It’s especially useful when you’re troubleshooting web servers, system services, failed requests, or production issues under pressure. 👉 Read the full guide: pro.tecmint.com/blog/linux-l… #Linux #SysAdmin #DevOps #LinuxTips #ServerMonitoring #Troubleshooting

Looking to scan Kubernetes for security issues on Linux? Kubescape is a Kubernetes security scanner that checks manifests, container images, and running clusters for vulnerabilities and misconfigurations. This guide shows you how to install Kubescape on Linux, scan Kubernetes manifests and images, fix security issues, scan running clusters, and set compliance thresholds for CI builds. 📖 Read here: tecmint.com/kubescape-securi… 👉 Follow @tecmint for daily #Linux, #Kubernetes, #Kubescape, #CloudNative, #DevOps, #ContainerSecurity, #LinuxTips, and #TechTips

Looking to speed up a slow Linux boot? systemd-analyze shows exactly which systemd units delay your boot, so you can fix the real cause instead of guessing. This guide shows you how to find slow units with blame and critical-chain, fix systemd-networkd-wait-online delays, add nofail to fstab mounts, and set unit dependencies with Wants= and After=. Read here: tecmint.com/speed-up-systemd… Follow @tecmint for daily #Linux, #systemd, #SysAdmin, #DevOps, #BootTime, #LinuxTips, #RockyLinux, and #TechTips.

Looking to add AI agent skills to Claude Code on Linux? MakerSkills is an AI agent skills collection that lets you extend Claude Code with reusable skills for research, decision-making, content creation, and more. This guide shows you how to install MakerSkills as a Claude Code plugin on Linux, configure its dependencies, and run your first AI skills. 📖 Read here: tecmint.com/makerskills-clau… 👉 Follow @tecmint for daily #Linux, #ClaudeCode, #AI, #AIAgents, #MakerSkills, #LinuxTips, #DevOps, and #TechTips.

If your Linux server boots slowly, check systemd-networkd-wait-online first. Here are 19 networkd tweaks for faster boots. Read the full guide: tecmint.com/systemd-networkd… Follow @tecmint for more such articles. #Linux #systemd #Performance #SysAdmin #RockyLinux #TecMint

Looking for a faster Linux terminal? Rio Terminal is a GPU-accelerated terminal emulator with built-in tabs, splits, a command palette, custom themes, and smoother command-line workflows. This guide shows you how to install and configure Rio, fix terminfo issues, use it over SSH, and get the most out of its features. 📖 Read here: tecmint.com/rio-terminal-emu… 👉 Follow @tecmint for daily #Linux, #LinuxTerminal, #RioTerminal, #LinuxTips, #SysAdmin, #DevOps, and #TechTips.

If you still use docker run --restart scripts, try Podman with Quadlet. It's free, daemonless, and lets systemd restart your containers. Read the full guide: tecmint.com/podman-vs-docker… Follow @tecmint for more such articles. #Linux #Podman #Quadlet #SysAdmin #DevOps #TecMint

Running Multiple Payment Gateways? Hyperswitch is an open-source, self-hosted payment switch that runs on Linux and lets you route payments through multiple payment providers using a single API. From deploying the Docker stack and verifying the app server to setting up the Control Center and running a test payment, this guide walks you through the complete setup. 📖 Read here: tecmint.com/hyperswitch-on-l… 👉 Follow @tecmint for daily #Linux, #Docker, #Hyperswitch, #PaymentRouting, #PaymentProcessing, #DevOps, and #TechTips.

If your Ubuntu servers still accept SSH passwords, try these 10 hardening tips with Ed25519 keys, AllowGroups, UFW, and Fail2Ban. Read the full guide: tecmint.com/ssh-hardening-ti… Follow @tecmint for more such articles. #Linux #SSH #Fail2Ban #SysAdmin #Ubuntu #TecMint

In Chapter 4 of our #Linux for #DevOps course, you'll create users with matching UIDs on Ubuntu and Rocky Linux, script it so it's safe to rerun, verify it with getent, and offboard a user properly. Read the chapter: pro.tecmint.com/linux-users-… Follow @tecmint to get notified whenever a new chapter is released.

If you still troubleshoot slow servers with top, try btop. It's free, runs over SSH, and shows disk and network speed too. Read the full guide: tecmint.com/btop-system-moni… Follow @tecmint for more such articles. #Linux #btop #Performance #SysAdmin #RockyLinux #TecMint

In Chapter 3 of our #Linux for #DevOps course, you'll learn the 10 commands you'll run every day, from systemctl and journalctl to ss, curl, free, and du, and use them to find out why nginx isn't answering. Read the chapter: pro.tecmint.com/linux-comman… Follow @tecmint to get notified whenever a new chapter is released.

If you're building your DevOps skills, start with Chapter 2: Build the Course Lab with KVM on Ubuntu and Rocky Linux, where you'll set up the hands-on environment you'll use to practice Linux, virtualization, and real DevOps workflows. Read the full chapter: pro.tecmint.com/devops-lab-k… Follow @tecmint for more #Linux and #DevOps articles.