Linode DNS Manager pitfall: No TXT record normalization
Be wary when entering DNS TXT records in the Linode DNS Manager. The web interface doesn’t properly normalize user input.
Networking
Linode DNS Manager pitfall: No
Fix the Windows 10 Data usage report when it stops counting data
Plenty of third-party firewalls and similar programs can break Windows 10’s Data usage counting. Here is how to make it count your data again.
When is it necessary to reload FirewallD configurations?
Why and when do you need to run the ‘firewall-cmd --reload’ command after making changes to your FirewallD configuration.
Syndication feed deltas help reduce subscription bandwidth costs
Feed delta updates strip away feed entries that the subscriber has already download and only transmits the update delta consisting of new entries.
PHP: Making file_get_contents() more routing-robust and dual-stack
Make your network-based file_get_contents() request more reliable by having it not give up so easily and try multiple network routes and protocols instead.
Manage Wi-Fi latency and dynamic power-savings on Linux
You can decide the balance between Wi-Fi network latency and power-savings on Linux using the new llwr utility.
How to tell if Chromecast is connected via Ethernet or Wi-Fi?
Identify the network interface your Google Chromecast device uses to connect to the internet. Is it using the USB-Ethernet or Wi-Fi adapter?
Blindly deploying IPv6? Watch your sales!
OnePlay’s website is available over IPv6 through Cloudflare. However, its backend servers blocked my purchases as they weren’t IPv6 ready.
How to set up PHP-GeoIP with automatic database updates
Instructions for setting up auto-updates for the GeoIP location databases, and set up the PHP-GeoIP extension in Fedora/Ubuntu Linux.
Set up a seedbox via distributed BitTorrent (DHT)
Ensure reliable and long-term content distribution over BitTorrent with a dedicated seedbox. All you need is a small server or a cloud VPS.
IP addresses as an auth factor in the era of device roaming and IPv6
Stop relying on IP addresses not changing in an IPv6-enabled world were devices randomly change their address at least once a day.
Netcraft anti-phishing toolbar breaks on IPv6 enabled networks
IPv6-capable websites can break the website security information displayed in the Netcraft anti-phishing toolbar for Firefox and Chrome.