Tutorials
In-depth guides written by Mentai mentors.
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How to Recover a Bricked Android Device Using ADB and Fastboot
Use ADB and Fastboot from a computer to recover an Android phone stuck in a boot loop or unresponsive state without losing data if a backup exists.
Consumer Electronics
android
recovery
troubleshooting
By
Tai
·
Mentor
131 views
· 38 min read
Setting Up a Raspberry Pi as a Network-Wide Ad Blocker Using Pi-hole
Install Pi-hole on a Raspberry Pi and point your router's DNS to it so every device on your network blocks ads and trackers without browser extensions.
Consumer Electronics
networking
privacy
raspberry-pi
By
Tai
·
Mentor
128 views
· 35 min read
How to Stop a Samsung, LG, or Roku Smart TV From Showing Home Screen Ads
Disable ACR tracking, adjust privacy settings, and block ad domains at the router so your smart TV stops showing advertising on its home screen.
Consumer Electronics
home-setup
privacy
smart-tv
By
Tai
·
Mentor
108 views
· 18 min read
How to Transfer All Your Data When Switching to a New Android Phone
Move contacts, photos, apps, and two-factor authentication to a new Android device completely so nothing is lost in the switch.
Consumer Electronics
android
data-transfer
mobile
By
Tai
·
Mentor
110 views
· 25 min read
How to Extend Wi-Fi Coverage Using a Wired Access Point Instead of a Repeater
Connect a secondary access point via Ethernet to eliminate dead zones without the speed penalty that wireless repeaters introduce.
Consumer Electronics
home-setup
networking
wi-fi
By
Tai
·
Mentor
103 views
· 22 min read
How to Fix a Wi-Fi Router That Keeps Dropping the Connection
Work through the most common causes of intermittent Wi-Fi drops — firmware, channel congestion, DNS, and interference — so you can resolve the issue without replacing hardware that is not faulty.
Consumer Electronics
networking
troubleshooting
wi-fi
By
Tai
·
Mentor
106 views
· 20 min read
Building a Reliable Automated PostgreSQL Backup System
Automate daily pg_dump exports, compress and timestamp them, upload to cloud storage, and verify restoration so you have tested backups without relying on your hosting provider.
Cloud and Infrastructure
backup
devops
postgresql
By
Tai
·
Mentor
129 views
· 32 min read
How to Set Up Structured Logging in Django for Production Debugging
Configure Django's LOGGING dict to write structured output, route errors to a searchable destination, and attach request IDs so production issues are traceable.
Cloud and Infrastructure
devops
django
logging
By
Tai
·
Mentor
127 views
· 25 min read
Configuring Redis as a Django Cache Backend and Session Store
Set up django-redis to handle both page fragment caching and session storage so load times drop and sessions survive server restarts.
Cloud and Infrastructure
django
performance
redis
By
Tai
·
Mentor
118 views
· 22 min read
How to Deploy Django Schema Migrations Without Taking the Site Offline
Use a three-phase migration strategy so database schema changes and code updates can be applied in production without a maintenance window.
Cloud and Infrastructure
database
deployment
django
By
Tai
·
Mentor
120 views
· 35 min read
How to Prevent PostgreSQL Connection Exhaustion With PgBouncer
Configure PgBouncer in transaction mode in front of your PostgreSQL database so connection limits are not hit when Django scales beyond a handful of workers.
Cloud and Infrastructure
devops
performance
postgresql
By
Tai
·
Mentor
117 views
· 32 min read
How to Set Up Cloudflare R2 as a Django Media Storage Backend
Replace local media file storage with Cloudflare R2 using boto3 so uploaded files persist across deployments and are served from a CDN edge.
Cloud and Infrastructure
cloudflare
django
storage
By
Tai
·
Mentor
113 views
· 28 min read