Get the IPv6 address back on Oracle Cloud VMs.

确保最佳的睡眠，能使工作效率达到最大化，使大脑、身体、神经都处于最佳的状态。

Ubuntu supports the ability to upgrade from one LTS to the next LTS in sequential order. For instance, a user on Ubuntu 16.04 LTS can upgrade to Ubuntu 18.04 LTS, but cannot jump directly to Ubuntu 20.04 LTS. To do this, the user would need to upgrade twice from Ubuntu 16.04 to Ubuntu 20.04.

When you create your email template and add your HTML code to email newsletters, you can only use allowed tags.

It's time to add a new plugin for my Jekyll site to support emojis, with a convenient and consistent way. Also a cheat sheet list for available emojis in GitHub flavoured Markdown documents using JoyPixels icons is presented.

short CSS snippet for snow