How to Secure and Maintain an Externally Managed Environment Ubuntu? or What Are the Best Practices f

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Security first, my dude! For externally managed environment Ubuntu, you *gotta* lock down SSH. Use key-based auth, disable root login, and maybe even fail2ban.

Updates? Weekly checks at least. Unattended-upgrades for critical stuff.

And yeah, Ubuntu Pro is solid for patches. Worth the $$ if you’re serious.

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