启用 TLS 的 mosquitto_sub [英] mosquitto_sub with TLS enabled
问题描述
我是 MQTT 的新手，遇到了一个令人沮丧的问题.
I am new to MQTT and I have a frustrating problem.
我一直在使用MQTT.fx订阅一个主题；我已经设置了:
I have been using MQTT.fx to subscribe to a topic; I have set the:
- 经纪人地址
- 端口
- 客户 ID
- 启用 SSL/TLS
- 主题
这很有效，但是我想使用 mosquitto_sub.我正在尝试通过以下方式订阅同一主题:
This works well, however I would like to use mosquitto_sub. I am attempting to subscribe to the same topic in the following way:
mosquitto_sub -h host -p 8883 -t topic -i client id
这对我不起作用.我在 Ubuntu VM 上使用它.
我的观察力告诉我应该启用 TLS，但是我不太确定如何做到这一点，我已经塞满了证书并以多种方式启用了 TLS，但没有得到正确的组合.我知道这是必需的，就像我取消选中 MQTT.fx 中的 SSL/TLS 框一样，我无法连接.
This is not working for me. I am using it on a Ubuntu VM.
My powers of observation tell me that I should enable TLS, however I'm not quite sure how to do that, I have stuffed around with certificates and enabling TLS in may ways but have not got the right combo. I know it is required as if I uncheck the SSL/TLS box in MQTT.fx I am unable to connect.
我真的很想用 mosquitto 复制我在 MQTT.fx 中的内容.
I would really like to replicate what I have in MQTT.fx with mosquitto.
推荐答案
在 mosquitto_sub 命令中，使用 --capath 参数指向/etc/ssl/certs.它需要一个指向受信任证书的指针.
In the mosquitto_sub command, use the --capath argument to point to /etc/ssl/certs. It needs a pointer to the trusted certificates.
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