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Uninstalling Snap and Resolving Persistent Mount Points on Ubuntu 22.04
Ubuntu 22.04
desktop version comes pre-installed with Snap. However, I find it inconvenient to use and the Snap directory in the Home folder is quite distracting. So, I tried uninstalling it but encountered several issues.
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MySQL Binary Logs (binlog) Management
The MySQL binary log contains “events” that describe database changes such as table creation operations or changes to table data. It is the oplog of mysql, and we can subscribe the log to follow all the actions.
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Nginx: worker_connections are not enough, reusing connections
We meet an error log on nginx: worker_connections are not enough, reusing connections
. To resolve this issue, here is my working solution according to the references:
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PNPOLY: How do I find if a point lies within a polygon?
This is a python version to translate W. Randolph Franklin's work. And recorded for further usage.
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Python Mirror Configuration
Here are some scripts to initialize your python environment to mirror your repo.
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Best Practice to Remove a Git Submodule
When you need to remove a submodule from your Git repository, the most straightforward and recommended approach is to use the git rm
command followed by a commit and push to the remote repository.
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Ubuntu 18.04 LTS 及以上如何配置 NTP
Ubuntu 自 18.04 开始使用 timesyncd 作为默认的 ntp client。当然如果有必要也可以安装较多包来部署一个自己的 ntp server。
本文只介绍如何配置 timesyncd。
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SSH: no matching host key type found. Their offer: ssh-rsa
After a recent macOS upgrade, some ssh access was strangely blocked. I turned on verbose logs to check the problem.
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Understanding the file structure of wav
Usually we use data[44:] to eliminate the header information of wav files, and then assume the rest data is PCM. This may not always be true. For the wav header of a PCMWAVEFORMAT, we can usually understand that a structure Read more…
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Boot from grub in CentOS 7
After my CentOS 7 upgrade, I rebooted it. It gets stuck and shows a prompt like this:
grub >
It is an annoying start.