Public bug reported:
After upgrading from Ubuntu wily (15.10) to xenial (16.04, LTS), the
NetworkManager control applet (nm-applet) ceased to show up.
While running wily and even prior, I had modified /proc's "hidepid" argument to
be 2, in accordance with hardening best practices in order to only allow users
to see their own processes. Nm-applet was working just fine.
Based on this Debian bug (https://bugs.debian.org/cgi-
bin/bugreport.cgi?bug=819808), I changed hidepid back to 0 (the default,
which lets users see everyone's processes) and it's working again.
Given that nm-applet was working just fine in wily and upgrading to
xenial broke it, it seems like a regression.
Wily version of network-manager: 1.0.4-0ubuntu5
Xenial version: 1.1.93-0ubuntu4
$ lsb_release -rd
Description:Ubuntu 16.04 LTS
Release:16.04
$ apt-cache policy network-manager
network-manager:
Installed: 1.1.93-0ubuntu4
Candidate: 1.1.93-0ubuntu4
Version table:
*** 1.1.93-0ubuntu4 500
500 http://us.archive.ubuntu.com/ubuntu xenial/main amd64 Packages
100 /var/lib/dpkg/status
** Affects: network-manager (Ubuntu)
Importance: Undecided
Status: New
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Touch seeded packages, which is subscribed to network-manager in Ubuntu.
https://bugs.launchpad.net/bugs/1575282
Title:
NetworkManager applet (nm-applet) disappears after upgrading to xenial
Status in network-manager package in Ubuntu:
New
Bug description:
After upgrading from Ubuntu wily (15.10) to xenial (16.04, LTS), the
NetworkManager control applet (nm-applet) ceased to show up.
While running wily and even prior, I had modified /proc's "hidepid" argument
to be 2, in accordance with hardening best practices in order to only allow
users to see their own processes. Nm-applet was working just fine.
Based on this Debian bug (https://bugs.debian.org/cgi-
bin/bugreport.cgi?bug=819808), I changed hidepid back to 0 (the
default, which lets users see everyone's processes) and it's working
again.
Given that nm-applet was working just fine in wily and upgrading to
xenial broke it, it seems like a regression.
Wily version of network-manager: 1.0.4-0ubuntu5
Xenial version: 1.1.93-0ubuntu4
$ lsb_release -rd
Description: Ubuntu 16.04 LTS
Release: 16.04
$ apt-cache policy network-manager
network-manager:
Installed: 1.1.93-0ubuntu4
Candidate: 1.1.93-0ubuntu4
Version table:
*** 1.1.93-0ubuntu4 500
500 http://us.archive.ubuntu.com/ubuntu xenial/main amd64 Packages
100 /var/lib/dpkg/status
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1575282/+subscriptions
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