secure your vps

📅 Mar 4, 2021 · ☕ 1 min read · ✍️ CheeseMocha

useradd testuser
passwd testuser

vi /etc/sudoers

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## Allow root to run any commands anywhere
root    ALL=(ALL)       ALL
testuser ALL=(ALL)       ALL

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## Same thing without a password
testuser ALL=(ALL) NOPASSWD: ALL

vi /etc/ssh/sshd_config

firewall-cmd –permanent –zone=public –add-port=8822/tcp
firewall-cmd –reload
iptables -A INPUT -p tcp –dport 8822 -j ACCEPT
service sshd restart

vi /etc/ssh/sshd_config

PermitRootLogin No

service sshd restart

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WRITTEN BY

CheeseMocha

Coder, operation

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