字数：72字 | 预计阅读时长：1分钟

Delete the host key record for the specified IP address

  • Deletes the host key record for the specified IP address from the SSH client’s “known_hosts” file.
    ssh-keygen -f "~/.ssh/known_hosts" -R "172.17.0.158"

If you need to specify the IP address of the SSH connection as port 8002 of 172.17.0.158, you can use the following command:
ssh-keygen -f "~/.ssh/known_hosts" -R "[172.17.0.158]:8002"

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字数：97字 | 预计阅读时长：1分钟

Download the software and all its dependencies on Ubuntu

1. Install apt-rdepends first

sudo apt install apt-rdepends

2. Download all dependencies

apt download $(apt-rdepends openssh-server | grep -v "^ ")

3. If an error E: Can't select candidate version from package debconf-2.0 as it has no candidate is reported

apt download $(apt-rdepends openssh-server | grep -v "^ " | sed 's/debconf-2.0/debconf/g')
This command will successfully download openssh-server and all required packages and save them in /var/cache/apt/archives directory.

4. Installtion

sudo dpkg -i openssh-server*.deb
even sudo dpkg -i *

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    缺失模块。
    1、请确保node版本大于6.2
    2、在博客根目录（注意不是yilia根目录）执行以下命令：
    npm i hexo-generator-json-content --save

    3、在根目录_config.yml里添加配置： 

      jsonContent:
    meta: false
    pages: false
    posts:
      title: true
      date: true
      path: true
      text: false
      raw: false
      content: false
      slug: false
      updated: false
      comments: false
      link: false
      permalink: false
      excerpt: false
      categories: false
      tags: true

很惭愧<br><br>只做了一点微小的工作<br>谢谢大家