#Sysadmin

Don’t miss surprise reboots. Add a tiny systemd alert so you know the second your VPS comes back up. Great for Ubuntu + Nginx stacks. #Uptime #Sysadmin

I counted 206 real cloud/infra job posts: 71% want scripting, 61% Kubernetes, 47% IaC, 55% mention AI. So I built a 6-tier skill tree from sysadmin to cloud architect + a 90-day plan. #CloudComputing #Sysadmin

🐧 Linux Commands Cheat Sheet! 3 slides covering: 📂 Files ⚙️ System monitoring 🌐 Networking 🔐 Permissions 📦 Packages 🛠️ Troubleshooting 💾 Bookmark this! 🔁 Share with a Linux beginner. What’s your most-used command? 👇 #Linux #DevOps #SysAdmin

Small IT team, no ticketing budget? Log 200 issues with owners, severity, due dates, aging bands and closure checks in one Excel workbook. IT Issue & Resolution Tracker by Swadhin Khan: #ITSupport #SysAdmin

Oh this is soo good. Apache vs NGINX - The War for Port 80 by @turnoff_us URL #linux #unix #sysadmin

Free one page sheet: 48 Linux security commands worth keeping next to your terminal when you audit a box. Grab it, print it, use it. #Linux #sysadmin

Is your Power Automate flow stuck in an infinite update loop? Discover how to configure trigger conditions, handle 30-day approval timeouts, and implement Try-Catch error logging for SharePoint workflows. Full guide: #PowerAutomate #SysAdmin

On-call engineer job description: Sleep with one eye open 👁️ Wake up for every buzz 📳 Panic at 3AM for... a software update notification 🙃 Smart Notification Alarm: only wake up for what actually matters. 👉 #OnCall #SysAdmin

Shoutout to all the sysadmins working behind the scenes to patch these latest critical vulnerabilities before attackers can exploit them. Not an easy week due to all the CVEs released. Not all heroes wear capes 😎 #sysadmin #cybersecurity #zerotrust #cve #php #vulnerability

I just open-sourced 8 small, read-only tools for the boring-but-critical parts of IT ops: endpoints, certificates, patches, runbooks, logs and AI-assisted coding. All MIT, all with an offline demo that runs in under a minute. 🧵

@WasafAbbasi Love this, Wasaf! Eight small, read-only tools for the unglamorous parts of IT ops, each with an offline demo that runs in under a minute, is such a practical gift to anyone keeping systems running. Congrats on open-sourcing them! 🙌 #OpenSource #SysAdmin

Tracing routing hops vs running a fast ping test 📡 Solid network tools handle NSLookup, Dig, and Netstat instantly. Which network tools live on your home screen? #SysAdmin

Greetings all, here is the 8th and final part (for now) of the WSL graphical management series. This showcases setting up app deployment policies for specific groups in Ubuntu. No video Thursday--happy Halloween! #ubuntu #wsllinux #sysadmin

🔐 Linux SSH Troubleshooting Can't connect to a Linux server? `systemctl status sshd` — Check service `ss -tlnp` — Check listening ports `journalctl -u ssh --since today` — Check logs 💡 Check service, ports & logs first! #Linux #SSH #SysAdmin

Ethernet cables are classified into 'CAT-N' categories ('CAT' meaning Category) based on their bandwidth (MHz), maximum data rate (Mbps), and level of shielding. Here are the different types of Ethernet cables 😎👇 #sysadmin #datacenter #networkadmin

Make scanners hit a wall first. Start with this Ubuntu 24.04 VPS baseline: patching, UFW, SSH allowlist, and Fail2ban—before you put real sites in production. #SysAdmin #Ubuntu

Don't own the backup system? Propose one small restore test of something non-critical. Agree it with the owner, restore somewhere safe, check the files open, and time it. #Backups #SysAdmin

Bashing the Bash — Replacing Shell Scripts with Python #unix #linux #sysadmin

MDaemon user missing an expected inbound email? Here is how to trace it and what else to check: #MDaemon #SysAdmin MDaemon Email Server provides email & collaboration for small business budgets. Free trial at

Your business runs on email. You need an email server that protects your business, provides options for deployment, and more. Kerio Connect has the features to keep your company competitive and communicating. #emailserver #sysadmin

That lonely blinking amber light in the back rack isn't a server, it's a liability thriller waiting to happen. Clear the mystery data and retire the old hardware securely with Beyond Surplus. #SysAdmin #ITAssetDisposition