[Bug 1721544] Re: I installed "Synaptic Package Manager", but I can not start it.

*** This bug is a duplicate of bug 1652282 *** https://bugs.launchpad.net/bugs/1652282 ** This bug is no longer a duplicate of bug 1712089 Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not connect: Connection refused ** This bug has been marked a duplicate of bug 1652282 Xw

[Bug 1721544] Re: I installed "Synaptic Package Manager", but I can not start it.

*** This bug is a duplicate of bug 1712089 *** https://bugs.launchpad.net/bugs/1712089 @david braun, 1. Please notice that this bug report is a duplicate of bug #1712089. The developers will probably focus on that bug report, not this one. 2. See this link for more details on how to work aro

[Bug 1721544] Re: I installed "Synaptic Package Manager", but I can not start it.

*** This bug is a duplicate of bug 1712089 *** https://bugs.launchpad.net/bugs/1712089 This also affects me. I'm using Ubuntu 17.10 with default GUI setup. It looks like XWayland is running. I entered the xhost command as suggested by ichro furuya above and that resolved the issue. Personally

[Bug 1721544] Re: I installed "Synaptic Package Manager", but I can not start it.

*** This bug is a duplicate of bug 1712089 *** https://bugs.launchpad.net/bugs/1712089 Status changed to 'Confirmed' because the bug affects multiple users. ** Changed in: synaptic (Ubuntu) Status: New => Confirmed -- You received this bug notification because you are a member of Ubu

[Bug 1721544] Re: I installed "Synaptic Package Manager", but I can not start it.

*** This bug is a duplicate of bug 1712089 *** https://bugs.launchpad.net/bugs/1712089 ** This bug is no longer a duplicate of bug 1551951 synaptic does not run over gnome wayland session ** This bug has been marked a duplicate of bug 1712089 Invalid MIT-MAGIC-COOKIE-1 keyUnable to init

[Bug 1721544] Re: I installed "Synaptic Package Manager", but I can not start it.

*** This bug is a duplicate of bug 1551951 *** https://bugs.launchpad.net/bugs/1551951 ** This bug is no longer a duplicate of bug 1712089 Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not connect: Connection refused ** This bug has been marked a duplicate of bug 1551951 sy

Re: [Bug 1721544] Re: I installed "Synaptic Package Manager", but I can not start it.

*** This bug is a duplicate of bug 1712089 *** https://bugs.launchpad.net/bugs/1712089 Thank you! In "Terminal", I entered the following. $ xhost +si:localuser:root $ synaptic-pkexec "Synaptic" has started. 2017-10-05 22:47 GMT+09:00 dino99 <1721...@bugs.launchpad.net>: > *** This bug is a

[Bug 1721544] Re: I installed "Synaptic Package Manager", but I can not start it.

*** This bug is a duplicate of bug 1712089 *** https://bugs.launchpad.net/bugs/1712089 ** Changed in: synaptic (Ubuntu) Status: Incomplete => New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bu

[Bug 1721544] Re: I installed "Synaptic Package Manager", but I can not start it.

*** This bug is a duplicate of bug 1712089 *** https://bugs.launchpad.net/bugs/1712089 ** This bug has been marked a duplicate of bug 1712089 Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not connect: Connection refused -- You received this bug notification because you are a

[Bug 1721544] Re: I installed "Synaptic Package Manager", but I can not start it.

*** This bug is a duplicate of bug 1712089 *** https://bugs.launchpad.net/bugs/1712089 ** Description changed: I installed "Synaptic Package Manager", but I can not start it. (Japanese environment) - Steps to reproduce + Steps to reproduce --- 1. In "Software", search "Synaptic Pa

[Bug 1721544] Re: I installed "Synaptic Package Manager", but I can not start it.

*** This bug is a duplicate of bug 1712089 *** https://bugs.launchpad.net/bugs/1712089 ** Summary changed: - I installed "Synaptic Package Manager", but I can not start it. (Japanese environment) + I installed "Synaptic Package Manager", but I can not start it. -- You received this bug not

[Bug 1721544] Re: I installed "Synaptic Package Manager", but I can not start it. (Japanese environment)

This a wayland security feature, not working with pkexec, which synaptic (and other app) is using. This will be worked on later, with the next 18.04 release. The actual workaround is the open an x session, instead of a wayland one (ubuntu default), or follow the thread explanation below: https:/