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Why need installed qemu-guest-agent?
Qemu-Guest-Agent is a helper daemon that is installed on the guest system. It is used to exchange...
External firewall settings
Configuring an external firewall can provide an additional layer of security for your virtual...
How to allow the root user to login using a password?
In some OSes, by default it is forbidden for the root user to log in using a password; to change...
How to block network settings in Cloud-Init at start VM?
To disable the network configuration in Cloud-Init, you need to create a file...
How to add a swap file on a VPS
Creating the swap file To begin with, before creating a swap file, it is advisable to check the...
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