Public bug reported: Expected behavior: Settings in /etc/sysctl.conf won't be changed by an upgrade or there will be a prompt if the original file should be overwritten.
What happened: After performing an upgrade of package procps IPv4Forwarding was disabled in /etc/sysctl.conf without asking: # Uncomment the next line to enable packet forwarding for IPv4 #net.ipv4.ip_forward=1 I was able to reproduce this behavior by using unattended-upgrades and also by upgrading manually (apt-get upgrade) My system: lsb_release -rd Description: Ubuntu 18.04.2 LTS Release: 18.04 apt-cache policy procps procps: Installed: 2:3.3.12-3ubuntu1.1 Candidate: 2:3.3.12-3ubuntu1.1 Version table: *** 2:3.3.12-3ubuntu1.1 500 500 http://de.archive.ubuntu.com/ubuntu bionic-updates/main amd64 Packages 500 http://security.ubuntu.com/ubuntu bionic-security/main amd64 Packages 100 /var/lib/dpkg/status 2:3.3.12-3ubuntu1 500 500 http://de.archive.ubuntu.com/ubuntu bionic/main amd64 Packages ** Affects: procps (Ubuntu) Importance: Undecided Status: Confirmed ** Description changed: Expected behavior: Settings in /etc/sysctl.conf won't be changed by an upgrade or there will be a prompt if the original file should be overwritten. What happened: After performing an upgrade of package procps IPv4Forwarding was disabled in /etc/sysctl.conf without asking: # Uncomment the next line to enable packet forwarding for IPv4 - net.ipv4.ip_forward=1 + #net.ipv4.ip_forward=1 I was able to reproduce this behavior by using unattended-upgrades and also by upgrading manually (apt-get upgrade) My system: lsb_release -rd Description: Ubuntu 18.04.2 LTS Release: 18.04 apt-cache policy procps procps: - Installed: 2:3.3.12-3ubuntu1.1 - Candidate: 2:3.3.12-3ubuntu1.1 - Version table: - *** 2:3.3.12-3ubuntu1.1 500 - 500 http://de.archive.ubuntu.com/ubuntu bionic-updates/main amd64 Packages - 500 http://security.ubuntu.com/ubuntu bionic-security/main amd64 Packages - 100 /var/lib/dpkg/status - 2:3.3.12-3ubuntu1 500 - 500 http://de.archive.ubuntu.com/ubuntu bionic/main amd64 Packages + Installed: 2:3.3.12-3ubuntu1.1 + Candidate: 2:3.3.12-3ubuntu1.1 + Version table: + *** 2:3.3.12-3ubuntu1.1 500 + 500 http://de.archive.ubuntu.com/ubuntu bionic-updates/main amd64 Packages + 500 http://security.ubuntu.com/ubuntu bionic-security/main amd64 Packages + 100 /var/lib/dpkg/status + 2:3.3.12-3ubuntu1 500 + 500 http://de.archive.ubuntu.com/ubuntu bionic/main amd64 Packages -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1822261 Title: Upgrade of procps disables net.ipv4.ip_forward=1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/procps/+bug/1822261/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
