Ubuntu
IPv6
bab2501@ns1:~$ sudo sysctl net.ipv6.conf.ens224.accept_ra
net.ipv6.conf.ens224.accept_ra = 1
bab2501@ns1:~$ sudo sysctl net.ipv6.conf.ens224.accept_ra_pinfo
net.ipv6.conf.ens224.accept_ra_pinfo = 1
bab2501@ns1:~$ sudo sysctl net.ipv6.conf.ens224.autoconf
net.ipv6.conf.ens224.autoconf = 1
bab2501@ns1:~$
bab2501@ns1:~$ sudo cat /etc/sysctl.conf | grep net.ipv6
net.ipv6.conf.ens224.accept_ra = 1
net.ipv6.conf.ens224.accept_ra_pinfo = 1
net.ipv6.conf.ens224.autoconf = 1
#net.ipv6.conf.all.forwarding=1
#net.ipv6.conf.all.accept_redirects = 0
#net.ipv6.conf.all.accept_source_route = 0
AutoPurge
dpkg -l | awk '/^rc/ {print $2}' |xargs sudo dpkg --purge
1)
sudo apt-get autoremove --purge
Old Upgrade
cp /etc/apt/sources.list /etc/apt/sources.list.bak
sudo sed -i -re 's/([a-z]{2}\.)?archive.ubuntu.com|security.ubuntu.com/old-releases.ubuntu.com/g' /etc/apt/sources.list
LXD