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Tag: sysadmin

  • Understanding SSH Host Keys and the “Remote Host Identification” Warning

    If you’ve used SSH to access servers, you’ve probably seen a message like this: It’s scary, and intentionally so. This warning appears when the fingerprint of a server you’re connecting to doesn’t match what your SSH client expects. While it can indicate a potential security issue, it often just means the server’s SSH keys have…

  • VirtualBox: executing commands inside a VM with vboxmanage

    Installing the guest additions in your VM lets you interact with it using VirtualBox’s utility vboxmanage from the host. One of the features is letting you execute any command on the guest, from the comfort of you own host . It can be helpful in a number of contexts and help streamline your workflow without…