dnf install https://rpms.remirepo.net/enterprise/remi-release-8.rpm
dnf module install php:remi-8.2
dnf install php

[root@rocky8 yum.repos.d]# php -v
PHP 8.2.11 (cli) (built: Sep 26 2023 11:11:58) (NTS gcc x86_64)
Copyright (c) The PHP Group
Zend Engine v4.2.11, Copyright (c) Zend Technologies
    with Zend OPcache v8.2.11, Copyright (c), by Zend Technologies

yum install conda
source /etc/profile.d/conda.sh

conda create -n python311 python=3.11
conda activate python311

当前 python 就变成 3.11 的环境了

sudo sed -i 's/archive.ubuntu.com/mirrors.ustc.edu.cn/g' /etc/apt/sources.list
sudo apt update
sudo apt install -y tasksel
sudo tasksel install ubuntu-desktop-minimal

然后正常重启就可以了

composer require php-mqtt/client

<?php
require __DIR__.'/vendor/autoload.php';

use PhpMqtt\Client\MqttClient;

$client = new MqttClient('127.0.0.1', 1883, 'client1');
$client->connect();
$client->publish('topic', 'Hello World!');
$client->disconnect();

<?php
require __DIR__.'/vendor/autoload.php';

use PhpMqtt\Client\MqttClient;

$client = new MqttClient('127.0.0.1', 1883, 'client2');
$client->connect();
$client->subscribe('topic', function($topic, $message) {
    echo $topic, $message, PHP_EOL;
});
$client->loop(true);
$client->disconnect();

brew install visual-studio-code

首先引入 MQTT 库：

<dependency>
  <groupId>org.eclipse.paho</groupId>
  <artifactId>org.eclipse.paho.client.mqttv3</artifactId>
  <version>1.2.5</version>
</dependency>

然后编写相应 Java 代码，MqttClient 中的第三个 null 参数非常重要，如果没有设置在 Linux 下会因为权限问题出错。

public static void main( String[] args ) throws MqttException {
    MqttClient client = new MqttClient("tcp://localhost:1883", "client1", null);
    client.connect();
    client.publish("topic1", new MqttMessage());
    client.disconnect();
}

通过 brew 安装 mosquitto，并启动

brew install mosquitto
mosquitto -v

打开终端订阅 topic1

mosquitto_sub -t topic1

打开新的终端往 topic1 发消息

mosquitto_pub -t topic1 -m "HelloWorld"

docker run -e KEYCLOAK_USER=admin -e KEYCLOAK_PASSWORD=admin -p 8080:8080 quay.io/keycloak/keycloak:14.0.0

使用浏览器访问 http://localhost:8080，用户名：admin，密码：admin 访问

首先对源仓库执行 clone

git clone --mirror git@domain1.com:group1/repo1.git

然后对目标仓库执行 push

git push --mirror git@domain2.com:group2/repo2.git

这样 2 个仓库内容就完全一致了

一、安装

curl -L "https://packages.gitlab.com/install/repositories/runner/gitlab-runner/script.rpm.sh" | sudo bash
yum install -y gitlab-runner

二、注册

在 gitlab 后台注册新的 runner，按照提示输入命令，运行方式选择 docker， 默认镜像选择 docker:stable

gitlab-runner register --url http://172.20.103.21 --token xxxxxxxx
systemctl enable gitlab-runner
systemctl restart gitlab-runner