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Writing Stories in Traceroute, Elegantly

Traceroute is one of the popular tools for network inspection. It shows the IP addresses of routers on the route from your computer to a destination server, similar to:Domains are shown on the last 2 hops, which is the IP's reverse DNS record. Reverse DNS records exist as PTR records in the format of 4.3.2.1.in-addr.arpa. For more information, you may refer to Setting IP Reverse Records in DN42 (Chinese Only).Naturally, where there are characters, there will be stories shown in them. Two years ago, I set up a bunch of Docker containers, and modified and chained their routing tables, so they create the path needed for showing the essay.Using a lot of containers isn't elegant enough, and is a management burden, especially if the path is long....
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LADSPA Stereo Frequency Splitter & Bass Booster

During the Chinese Spring Festival, my dad gave me an Edifier M120 Bluetooth speaker. This speaker is not one of these high-end models featuring dedicated bass speakers, or professional Bluetooth audio codecs such as aptX and LDAC; it's just a unit with two ordinary speakers.With that said, I doubt I can hear any difference with those advanced codecs on a portable speaker anyway.But when I played some music with my phone connected to it, I realized that it does have some bass output. Speaking of bass, I'm impressed by a JBL Charge 4 speaker bought by one of by classmates. As a portable speaker that costs $150, it has a dedicated bass unit with astonishing power. Then I began to think that, although my speaker costs a mere $20 (converted from CNY),...