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1.ubantu+Firefox无法连接到github,总是提示证书出错。问题在hosts文件上
原因:hosts文件中保存的github映射ip过期,无法解析到正确的ip地址
把github相关的内容删除之后,就能正常访问github了。
2.加速
用浏览器访问http://tool.chinaz.com/dns/ 或者IPAddress.com 查找github.com和github.global.ssl.fastly.net域名的ip地址;找速度最快的那个。有移动联通和移动之类的,不知道有没有影响
sudo gedit /etc/hosts
文件中添加如下格式:(时不时还不一样,根据你查的来)##后的内容不要写进去了;
我试的这个最快.哈哈哈
192.30.253.113 github.com ##美国
203.208.39.104 assets-cdn.github.com #北京的
151.101.76.249 github.global.ssl.fastly.net ##这个是香港的
- remote: Enumerating objects: 230451, done.
- remote: Total 230451 (delta 0), reused 0 (delta 0), pack-reused 230451
- Receiving objects: 100% (230451/230451), 393.77 MiB | 3.09 MiB/s, done.
- Resolving deltas: 100% (211264/211264), done.
- Checking connectivity... done.
13.250.177.223 github.com
151.101.108.133 assets-cdn.github.com
151.101.229.194 github.global.ssl.fastly.net
重启网卡:
sudo /etc/init.d/networking restart
可能会重启网卡失败:
- :~$ sudo /etc/init.d/networking restart
- sudo: unable to resolve host vivian-Super-Server
- stop: Job failed while stopping
- start: Job is already running: networking
解决方法:使用sudo NetworkManager restart查看正在运行的
网络服务
- :~$ sudo NetworkManager restart
- sudo: unable to resolve host vivian-Super-Server
- NetworkManager is already running (pid 1520)
- :~$ sudo kill 1520
- :~$ sudo NetworkManager restart
- sudo: unable to resolve host vivian-Super-Server
- NetworkManager is already running (pid 7925)
杀死进程后,重新为(pid 7925),证明重启成功了
3.可以用
ping assets-cdn.github.com
指令查看速度,地址
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