Ubuntu
How to Completely Remove an App in Ubuntu
If you need to completely remove an application from your Ubuntu system, follow these steps
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Popular Commands For User Management In Ubuntu
List all Users: cut -d':' -f 1 /etc/passwd List all Groups: cut -d':' -f 1 /etc/group Add current user to a group: sudo usermod -aG <groupname> $USER Add a new user to System: sudo adduser new_username To remove/delete user: sudo
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How to change sender and reply to email address in Ghost Blog
Go to the portal, ghost/#/settings/newsletters click Edit to set the sender and reply to addresses.