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Allow or Deny SSH access only to a list of users or groups
vi /etc/ssh/sshd_config
Allow access for users:
AllowUsers user1 user2 user3
Allow access for groups:
AllowGroups group_name
You could also use:
DenyUsers user1 user2 user3
DenyGroups group_nanme
Restart SSH Service:
systemctl restart sshd
Install Ruby with Rbenv on Ubuntu
Ruby is a popular programming language that is widely used for developing web applications, scripting, and system administration tasks. If you are using Ubuntu as your operating system, you may want to install Ruby on your machine to start building your own applications. In this article, we will walk you
Delete .DS_Store and .AppleDouble
find ./ -depth -name ".DS_Store" -exec rm -v {} \;
find ./ -depth -name ".AppleDouble" -exec rm -Rfv {} \;