All Posts

Kombu Source Code Analysis:Part 3

In the last article, we introduced you to a simple code for Consumer. This article continues with the code for Producer, which is much simpler than Consumer, so it will be easier for you to read.

Kombu Source Code Analysis:Part 1

This is the first part of the first half of the Celery source analysis series - Kombu source code analysis, which introduces the Kombu source code overview and some concepts.

Upgrade linux kernal in CentOS

For those of you who follow my blog, you may remember that I've been using CentOS for a long time, but with the updates of Linux Kernal and CentOS itself, my local kernel has become a bit old, so some of the new features and software don't work properly, so I decided to upgrade Kernal, this article will document the process of upgrading Kernal and the solutions to the problems I encountered.

Install python3.8 in CentOS

Those of you who are used to using CentOS should have the feeling that even the latest CentOS 7.8 comes with a version of Python that is still Python 2.7, for a number of complicated reasons, but in any case, this is more or less inconvenient for us to use on a regular basis. The requirement to be Python 3.5 or higher is a bummer, so in this article I'm going to go over some of the things I did to install the latest version of Python 3 inside my new CentOS.

Upgrade systemd in CentOS 7

I was stuck with a systemd problem today, so I went to Github to raise the issue, but they said the version was too old, and asked me to upgrade the version first, so I decided to upgrade systemd to prove that it was.

Some SNMP knowledge

It's been a while since I've had to look at and use SNMP for work, and since SNMP is an infrequently used knowledge, it's easy to forget things, so there are some basics that I feel like I can pull out and make a memo so I can review them later.