change timezone on Ubuntu 18.04 (for example)

 

Set via two procedures as below.

 

Use dpkg-reconfigure as an alternative

#  sudo dpkg-reconfigure tzdata

 

https://linuxize.com/post/how-to-set-or-change-timezone-on-ubuntu-18-04/ 

 

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change hostname on ubuntu 18.04 (for example)

 

Procedure:

show hostname

hostnamectl

set new host name

sudo hostnamectl set-hostname <newname>

edit hostname file

edit instance of name in local host entry for the host name

log out and back in, will show in bash prompt

https://linuxize.com/post/how-to-change-hostname-on-ubuntu-18-04/

 

 

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Reconfigure upgrade on Ubuntu

 

auto upgrade can be configured on or off by reconfiguring the package

 sudo dpkg-reconfigure unattended-upgrades

 

 

 Specify NO and save, the python program will be reconfigured off.

https://askubuntu.com/questions/851444/configuring-unattended-upgrades-which-option-to-select 

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