Tool

Examine Your Elasticsearch Shards

People may start their elasticsearch cluster with very few shards. Or even start with 1 somehow.

WATCH OUT! You might be in big troubles, when your data grows much bigger.

Like slow query performance. Endless service crash with out-of-memory issues. Even worse, adding more VMs won’t help!

And the cure? You have to re-index them. But it comes with a cost, which you wish not to pay. Trust me, it hurts. Badly.

Examine Your Elasticsearch Shards


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transfer.sh: Command Line To Share Files Across The Internet

Using a single command, we can easily upload any files from our computers or servers to a web server. Then our friends or colleagues can download them directly from web browsers. Isn’t that cool?

Worry about the security? We can encrypt files before transfer. Also we can claim the maxinum downloads of those files, or expire download link in several days.

Here we go! transfer.sh: easy and fast file sharing from the command-line. Zero Initial Setup and Super Easy to use.

transfer.sh: Command Line To Share Files Across The Internet


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Free And Temporary VPN For China

If you are in China or temporarily visit China, it’s hard to open webistes like Google, Gmail, Youtube. Even Slideshare! Internet Censorship is fine. But… I strongly insist developers should have the rights to access. To do a better job.
Here I provide a free VPN service. The password will be rotated monthly. Also I’ve added an extra 400 ms latency, in case too much YouTube watching. Sorry poor Linode VM can’t afford it. It should be good for temporary use. Right?

You can setup your own service easily. Just rent a VM, and follow the easy instruction in below.

Free And Temporary VPN For China


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Reverse SSH Tunnel: Export Your Mac Laptop To The Internet

Lots of professional programmers use Macs heavily in their daily work. Do you know we can easily export mac laptop to the internet? Trusted people can access our laptop directly from anywhere. Definitely for temporary use. It could be ssh operations or various web services.

Here is A Simple And Complete Guide in 10 min. Share it, if you like it.

Reverse SSH Tunnel. Export Your Mac Laptop To The Internet


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