Re: sysctl items not persisting after reboot on Ubuntu 20.04

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Author: Shawn Badger via PLUG-discuss
Date:  
To: Main PLUG discussion list
CC: Shawn Badger
Subject: Re: sysctl items not persisting after reboot on Ubuntu 20.04
It is called 99-bridge.conf and is applied correctly on the restart of the
procps.


On Fri, Aug 19, 2022 at 10:03 AM Aaron Jones via PLUG-discuss <
> wrote:

> What is the name of the sysctl files? You may want to try renaming them
> something like zzz-mysysctlstuff.conf to make sure they aren’t being over
> written to start? Or are they already named high enough in the order so
> it’s a moot point?
>
> > On Aug 19, 2022, at 9:52 AM, Shawn Badger via PLUG-discuss <
> > wrote:
> >
> > 
> > I am running into an odd issue where config files placed in
> /etc/sysctl.d/ are not being read on reboot, but after restarting procps
> they load as expected.
> >
> > root@dd:/home/user# sysctl -a |grep net.bridge
> > net.bridge.bridge-nf-call-arptables = 1
> > net.bridge.bridge-nf-call-ip6tables = 1
> > net.bridge.bridge-nf-call-iptables = 1
> > net.bridge.bridge-nf-filter-pppoe-tagged = 0
> > net.bridge.bridge-nf-filter-vlan-tagged = 0
> > net.bridge.bridge-nf-pass-vlan-input-dev = 0
> > root@dd:/home/user# systemctl restart procps
> > root@dd:/home/user# sysctl -a |grep net.bridge
> > net.bridge.bridge-nf-call-arptables = 0
> > net.bridge.bridge-nf-call-ip6tables = 0
> > net.bridge.bridge-nf-call-iptables = 0
> > net.bridge.bridge-nf-filter-pppoe-tagged = 0
> > net.bridge.bridge-nf-filter-vlan-tagged = 0
> > net.bridge.bridge-nf-pass-vlan-input-dev = 0
> >
> > I have done
> > # systemctl restart procps
> > # sysctl -p
> >
> > a few times and rebooted without success. I have even done systemctl
> daemon-reload in hopes of having systemd reread the files.
> > My Google Fu is failing on finding a solution that works. Does anyone
> have an idea why the restart of procps applies the changes but doesn't
> apply them on startup?
> > Yes, the procps service is enabled and is running before I do the
> restart.
> >
> > Thanks
> >
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