Switching Algorithm for Let’s Encrypt

Yesterday I received an email from Let’s Encrypt, the certificate provider I have been using and previously talked about in a previous post.

The mail says:

Your Let’s Encrypt client used ACME TLS-SNI-01 domain validation to issue a certificate in the past 60 days. Below is a list of names and IP addresses validated (max of one per account):

ahyangyi.org ( on 2019-01-16

TLS-SNI-01 validation is reaching end-of-life. It will stop working temporarily on February 13th, 2019, and permanently on March 13th, 2019. Any certificates issued before then will continue to work for 90 days after their issuance date.

Seems a quite urgent issue, since it will actually break my setup if I do not take actions. Admittedly, this blog has been in a hiatus lately, but I do not want to see it dead.

Read more“Switching Algorithm for Let’s Encrypt”

Print Style

Just realized that Kahuna has already included print style in their CSS, so that printed posts will be mostly black-on-white. It saves ink and promotes clarity.

My CSS hacks had interfered with this and caused the printed pages to have a weird header. It has now been fixed.

Fixing the webfont kit

Anyone interested in typography will probably ask me this question:

Why is there no ligature for “fi” in the site title, de finibus?

And for some time I thought the answer was: “I would like to, but Adagio Serif does not come with one.”

Which is completely wrong. Adagio Serif has a ligature for “fi”, as its style really asks for one.

It leads me to investigate why I don’t see ligatures in my website.

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This is the first reorganization of posts on my blog.

In the beginning, I said that I did not care about content organization, I just wanted to write something, and there are no intended readers at all. However, as of now I already have 17 posts, this post not included. I find it starting to be hard even for myself to find the article I want.

So even without any intended readers, there is a need for keeping my blog well organized and tidy.

There are three areas covered by this reorganization: categories/tags, excerpts and tagline.

Read more“Reorganization”