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Linode/Setup: Difference between revisions
Removing a user from sudo group and removing an authorized key
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(Removing a user from sudo group and removing an authorized key) |
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usermod -aG sudo USERNAME | usermod -aG sudo USERNAME | ||
</syntaxhighlight> | </syntaxhighlight> | ||
* To remove a user from <code>sudo</code> group | |||
<syntaxhighlight lang="bash"> | |||
sudo gpasswd -d USERNAME sudo | |||
</syntaxhighlight> | |||
Also, to remove their ability to ssh as root, remove their public key from <code>.ssh/authorized_keys</code> | |||
== Security (only need to do this at setup) == | == Security (only need to do this at setup) == | ||
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apt install -y iptables-persistent | apt install -y iptables-persistent | ||
</pre> | </pre> | ||
Decline the dialog asking if you want to preserve existing iptables configs (if you say yes then the commands below will fail for some reason) | |||
==== Configuration ==== | ==== Configuration ==== | ||
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ip6tables-restore < /etc/iptables/rules.v6 | ip6tables-restore < /etc/iptables/rules.v6 | ||
</syntaxhighlight> | </syntaxhighlight> | ||