Shell Scripting and Security

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Basic ways you can use shell scripts to monitor password strength and secret accounts.

Whether you have Linux running on your laptop or ancient PC file server or whether you’re managing a data center, your system is also vulnerable to malicious users. I can’t offer any sort of robust solution in this article, but let’s have a look at some basic things you can do with shell scripts to keep an eye on your system.

First and foremost, make sure you have complex non-guessable passwords for all your accounts and particularly your administrative or root account. It’s tough to check existing passwords, since they’re all stored in an encrypted manner without spending oodles of CPU cycles brute-forcing it, but how about a script where users can enter their password and it’ll confirm whether it’s hard to guess?

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