按照此处的说明操作...但当我这样做时，我得到了以下错误。有人知道为什么吗？这是一个非常简洁的程序，我非常喜欢它，并希望再次使用它。
W: Failed to fetch http://ppa.launchpad.net/pj-assis/ppa/ubuntu/dists/karmic/Release.gpg Could not connect to ppa.launchpad.net:80 (91.189.90.217). - connect (111: Connection refused)
W: Failed to fetch http://ppa.launchpad.net/pj-assis/ppa/ubuntu/dists/karmic/main/i18n/Translation-en.bz2 Unable to connect to ppa.launchpad.net:http:
W: Failed to fetch http://ppa.launchpad.net/pj-assis/ppa/ubuntu/dists/karmic/main/i18n/Translation-en_US.bz2 Unable to connect to ppa.launchpad.net:http:
W: Failed to fetch http://ppa.launchpad.net/dockbar-main/ppa/ubuntu/dists/maverick/Release.gpg Unable to connect to ppa.launchpad.net:http:
W: Failed to fetch http://ppa.launchpad.net/dockbar-main/ppa/ubuntu/dists/maverick/main/i18n/Translation-en.bz2 Unable to connect to ppa.launchpad.net:http:
W: Failed to fetch http://ppa.launchpad.net/dockbar-main/ppa/ubuntu/dists/maverick/main/i18n/Translation-en_US.bz2 Unable to connect to ppa.launchpad.net:http:
W: Failed to fetch http://ppa.launchpad.net/kevin-mehall/pithos-daily/ubuntu/dists/maverick/Release.gpg Unable to connect to ppa.launchpad.net:http:
W: Failed to fetch http://ppa.launchpad.net/kevin-mehall/pithos-daily/ubuntu/dists/maverick/main/i18n/Translation-en.bz2 Unable to connect to ppa.launchpad.net:http:
W: Failed to fetch http://ppa.launchpad.net/kevin-mehall/pithos-daily/ubuntu/dists/maverick/main/i18n/Translation-en_US.bz2 Unable to connect to ppa.launchpad.net:http:
W: Some index files failed to download, they have been ignored, or old ones used instead.
答案1
您尝试下载的网站出现技术问题。如果您稍后再试，就不会遇到此问题。
来自启动板状态页面：
Launchpad.net 状态 (launchpadstatus) 于 2011 年 2 月 16 日星期三 23:56:37 UTC 的状态
我们必须重启所有前端 HTTP 和 HTTPS 服务，停机时间可能长达 10 秒左右。抱歉，但这是必要的。