Now it is a HTTPS age, you can apply free ssl certificates with any cloud platform, but wildcard (*.domain.com) certificate is not free. So how to generate your first free wildcard certificate with Let’s Encrypt?

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What’s your favorite editor for hexo? Powerful edit function? Amazing preview effect? Saving your code anytime? This post show you how to write your hexo with Visual Studio Code.

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Android developers use keystore to complie, debug and release APK files. You have debug key in debugging phase, and release key in release phase. Here is some notes for keystore.

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Redmine and Gitlab are great project and code management systems, both based on Ruby on Rails, so I migrate them together and record Rails migration notes here.

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Redis is the most popular memory database system, enhance your site just like fly in sky by using it. Redis is easy to config, and record something to someone need it.

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MySQL is the most popular open source database system, used by everyone, and is already standard. Record the migration of one database here for search and share.

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LDAP is a tree query system, mainly used for member management. Query more than modification, so always stable. Leave this post here to help your migration.

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Today, I use GitHub for almost one month. The more you use, the more you get, just one word: Cool! Nice can’t be hidden, just share it! Even using too short to know more, we can share it with going.

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When you try BBS in macOS, it sucks! Someone uses welly, but I always use iTerm2 to ssh servers. Today I’ll show you how to telnet SMTH BBS with iTerm2.

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Last post, I use Hexo with Minos to build a full site multi-language blog, it’s exciting! So in this post, I will tell you how to bring the new blog to IPFS.

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