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16 votes

answers

1302 views

How to secure SSH with fail2ban

My server is getting too many failed SSH login attempts. How can I block them?

linux security ssh fail2ban

noor_code asked 3 months, 1 week ago

27 votes

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349 views

How to check open ports on Linux

How can I see which ports are open and listening on my server?

linux security networking ports

sysadmin asked 3 months, 1 week ago

0 votes

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755 views

How to set up UFW firewall on Ubuntu

I want to secure my Ubuntu server with a firewall. How do I configure UFW to allow only SSH and HTTP/HTTPS?

security firewall ubuntu ufw

linux_expert asked 3 months, 1 week ago

17 votes

answers

961 views

How to set up automatic security updates on Ubuntu

I want my Ubuntu server to automatically install security updates. How do I configure unattended-upgrades?

security ubuntu updates automation

omar_linux asked 3 months, 1 week ago

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How to secure SSH with fail2ban

How to check open ports on Linux

How to set up UFW firewall on Ubuntu

How to set up automatic security updates on Ubuntu

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