Digital Content Developer, Solution Consultant, Tech Blogger, Photographer, Husband, and Father of 2
Stuck on the Windows repair screen with an unresponsive USB mouse or keyboard after the latest update? It's a confirmed bug. Find out which systems are impacted and when to expect a fix. #WindowsUpdate #TechSupport #Windows11
https://pupuweb.com/why-is-usb-mouse-keyboard-stuck-after-the-latest-windows-update/
Microsoft Office 2016 & 2019 support ends Oct 14. Before commit to subscription, did you know you have other options? Learn how to keep current software secure or switch to a powerful, free alternative. Your next move is here. #TechTips #CyberSecurity
https://pupuweb.com/is-it-dangerously-unsafe-to-keep-using-microsoft-office-after-support-has-ended/
Locked out after the latest Windows update? If your smart card is failing, you're not alone. A recent patch is causing widespread authentication errors. Get the quick fix and understand the cause before it disrupts your workflow.
https://pupuweb.com/are-you-facing-smart-card-errors-after-the-latest-windows-update/
Display disk usage in GB on Linux: use du -sh --block-size=1G . (GNU/Linux) or du -sg . (macOS/BSD). Simplest universal method: du -sh . auto-scales to GB. For scripts: set export BLOCKSIZE=1G. #Linux #CommandLine #DiskUsage
https://pupuweb.com/how-can-i-make-the-linux-du-command-report-disk-usage-in-gigabytes/
Find hostnames from IP addresses on Windows using: nslookup IP (reverse DNS), ping -a IP (quick lookup), nbtstat -a IP (local NetBIOS), or tracert IP (shows route + name). For automation: use FOR loops with nslookup. #Windows #Networking #CommandLine
https://pupuweb.com/how-can-i-find-a-hostname-from-an-ip-address-on-windows/
List Linux users and groups easily: getent passwd (all users), getent group (all groups), groups username (user's groups). For complete reports: cut -d: -f1 /etc/passwd | xargs groups. Bash shortcut: compgen -u or compgen -g. #Linux #SystemAdmin #CommandLine
https://pupuweb.com/how-can-i-easily-see-all-users-and-their-assigned-groups-in-linux/
View .cer certificate details fast: Windows—right-click > Open or use certutil -dump. Cross-platform—use openssl x509 -inform der -noout -text -in file.cer. PowerShell: New-Object X509Certificate2 then .Import(). #DigitalCertificate #OpenSSL #Windows
SFTP uses port 22 (not 21) because it runs over SSH, not FTP. FTP uses port 21 (insecure), FTPS adds SSL/TLS encryption to FTP, while SFTP is a completely different SSH-based protocol. Connect with custom ports using -oPort=NUMBER. #SFTP #SSH #FileTransfer
https://pupuweb.com/what-port-does-sftp-really-use-and-why-is-it-confused-with-ftps-port-21/
On modern Linux (RHEL 7+), reboot and shutdown -r now are functionally identical via systemd. Use shutdown -r for scheduling and logging. Use reboot to avoid typos. Best practice: systemctl reboot. #Linux #SystemAdmin #ServerManagement
Protect your data: choose AI tools with encryption, zero data retention, GDPR/CCPA compliance, and transparency. For sensitive work, use business plans with HIPAA compliance (transcription) or privacy-first APIs. Read policies carefully. #AIPrivacy #DataProtection #SecureAI
U.S. freelancers: secure your business with password managers, 2FA, VPNs, encrypted backups (3-2-1 rule), WPA3 Wi-Fi, secure file-sharing tools, client NDAs, and CCPA compliance. Protect data or risk reputation. #FreelanceSecurity #Cybersecurity #DataProtection
https://pupuweb.com/cybersecurity-checklist-freelancers-usa/
Smart homes face major risks: weak passwords, outdated firmware, unencrypted data, and exposed cameras. Protect with strong passwords, 2FA, WPA3 Wi-Fi, separate IoT networks, and U.S. Cyber Trust Mark devices. #SmartHomeSecurity #IoTSecurity #CyberSafety
Windows 365 Boot secures remote work with Connection Center at login (multi-PC management), cross-region disaster recovery (<4hr RTO), enhanced troubleshooting, and custom display settings—all via Intune management. #Windows365 #CloudPC #RemoteWork
https://pupuweb.com/how-can-windows-365-boots-new-features-secure-your-remote-workforce/
Control MySQL databases with plain English using Claude AI and MCP server. Install via npm, configure connection, and manage users, queries, and data—no SQL needed. Just talk naturally! #ClaudeAI #MySQL #DatabaseManagement
https://pupuweb.com/how-do-i-connect-claude-to-my-mysql-server-for-easy-database-management/
2025 ADMX templates boost security with app install controls (Windows 11), Excel external link blocking, Office AI settings, and Outlook migration management. Updates include 81+ new policies for SMB, printing, and Defender. #GroupPolicy #WindowsSecurity #ADMX
https://pupuweb.com/how-do-the-latest-2025-admx-templates-improve-security-in-windows-and-office/
Migrate VMware VMs to Hyper-V easily with Windows Admin Center's agentless tool. Move up to 10 VMs at once, preserves IPs, auto-configures boot settings, and uses change tracking to minimize downtime. #HyperV #VMware #Migration
Office 2019 support ends Oct 14, 2025. Choose Office 2024 ($250 one-time, stable, offline) for predictable costs or Microsoft 365 ($99+/year, cloud, AI, updates) for collaboration and mobility. #Microsoft365 #Office2024
Mac sluggish after macOS Tahoe? Fix it: wait 48hrs for background tasks, disable transparency/motion effects, free up 15% storage, update apps, remove login items, restart, and scan for malware. #macOSTahoe #MacPerformance
https://pupuweb.com/is-your-mac-slow-after-the-macos-tahoe-update-heres-how-to-fix-it/
LaunchPad removed in macOS Tahoe? Use Spotlight's new app launcher (Cmd+Space, then Cmd+1) or download free Launchie app to restore the classic grid view and custom folders you loved. #macOS #MacTips #Tahoe
https://pupuweb.com/is-launchpad-gone-in-macos-tahoe-and-how-can-i-find-my-apps-now/
Struggling with iOS 26 Liquid Glass? Fix it fast: choose calm wallpapers, customize icon colors, hide app names, personalize your Lock Screen, and tweak accessibility settings for better readability. #iOS26 #iPhoneTips