In my previous article, I mentioned that download shaping with rate limiting can avoid download bufferbloat. In this article, I wanted to take a closer look at the factors that contribute to download bufferbloat and how rate limiting works around the problem.
CoDel (Controlled Delay) is an Active Queue Management algorithm that drops packets based on delay rather than queue length. FQ_CoDel (Fair Queueing Controlled Delay) combines CoDel with fair queueing to share bandwidth between flows.
The recent announcement of Cloudflare's new privacy-focused recursive DNS service 1.1.1.1 prompted me to revisit the options for encrypted recursive DNS and finally enable DNS over TLS on my workstations.
After upgrading to nginx 1.10.0 on my FreeBSD machines, I found that nginx would no longer start.
Linux Unified Key Setup (LUKS) is a dm-crypt extension and the preferred way to set up disk encryption with dm-crypt on Linux.
I have compiled a set of patches for the Linux kernel that improves support for the 15-inch MacBookPro8,2.
UTF-8 is a Unicode character encoding that is backwards compatible with US-ASCII. FreeBSD is not configured to use UTF-8 by default but it is easy to enable.
The default version of PostgreSQL on FreeBSD has been changed from 8.2 to 8.4. Upgrading PostgreSQL requires dumping and restoring the database.
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