ppa错误add-apt-repository ppa:guacamole/稳定

Question

在尝试将apache guacamole的ppa添加到我的ubuntu服务器时，我遇到了这个错误。我是跟着here导游走的。看起来找到了InRelease归档文件，但我在Release归档文件上得到了一个错误。有没有办法解决这个问题？我可以使用InRelease存档而不是发行版吗？它显然更容易通过apt-install安装，但如果我必须用另一种方式来安装，我并不反对。谢谢。

$ sudo add-apt-repository ppa:guacamole/stable
 The most recent stable release of Guacamole and its components. The packages here use the same packaging as the downstream Debian and Ubuntu packages, but are updated more frequently, usually while the corresponding downstream packages are under official review.
 More info: https://launchpad.net/~guacamole/+archive/ubuntu/stable
Press [ENTER] to continue or Ctrl-c to cancel adding it.

Hit:1 http://us.archive.ubuntu.com/ubuntu bionic InRelease
Hit:2 http://us.archive.ubuntu.com/ubuntu bionic-updates InRelease      
Hit:3 http://us.archive.ubuntu.com/ubuntu bionic-backports InRelease    
Ign:4 http://ppa.launchpad.net/guacamole/stable/ubuntu bionic InRelease 
Hit:5 http://us.archive.ubuntu.com/ubuntu bionic-security InRelease     
Err:6 http://ppa.launchpad.net/guacamole/stable/ubuntu bionic Release         
  404  Not Found [IP: 91.189.95.83 80]
Reading package lists... Done                      
E: The repository 'http://ppa.launchpad.net/guacamole/stable/ubuntu bionic Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.

$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 18.04.4 LTS
Release:    18.04
Codename:   bionic

Answer 1

不再维护ppa。最新的包来自2013年:/所以，你需要使用教程从源代码安装它。