All articles
Every guide on TechnoBabu — newest first. Use the category links in the footer to filter by track.
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Why Your Cheap VPS Keeps Dying: Memory, Swap and the OOM Killer
Read free -h properly, prove the OOM killer acted, add swap with sane swappiness, and size workers so a small box stops falling over.
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Browser Privacy Settings That Actually Matter
Which browser privacy settings change your real exposure, which are theatre, and why hardening too hard can make you easier to recognise.
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Self-Host Your Own Drive and Photo Backup with Nextcloud
Run your own drive and phone photo backup with Nextcloud: install options, HTTPS, background jobs, and backing up files and database.
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Why Your Contact Form Email Never Arrives: SPF, DKIM and SMTP
Why PHP mail vanishes, what SPF, DKIM and DMARC each prove, and how to send WordPress form mail through an authenticated relay that arrives.
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Google Apps Script: Automate Sheets and Gmail Without Running a Server
Make Google Sheets send its own reminders with Apps Script: a working script, installable triggers, quota limits and when to move on.
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Knowing Your Server Is Down Before Your Users Tell You
Why port checks miss real outages, how to build external and on-box monitoring, and thresholds that keep alerts worth reading.
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Password Managers and 2FA: Two Habits That Do More Than a VPN
Reused passwords, not clever attackers, are what actually break accounts. How to run a manager, pick a second factor, and survive a lost phone.