Disable ipv6
Create /etc/sysctl.d/60-ipv6-disable.conf
with the following contents:
net.ipv6.conf.all.disable_ipv6 = 1
net.ipv6.conf.default.disable_ipv6 = 1
net.ipv6.conf.lo.disable_ipv6 = 1
Run service procps restart
If Ubuntu 18.04 then view https://ip-life.net/disable-ipv6-on-ubuntu-18-04/
Change timezone
Source: https://askubuntu.com/a/594186
timedatectl set-timezone Asia/Kolkata
# or use
dpkg-reconfigure tzdata
Change hostname
To do this read: https://graspingtech.com/change-hostname-ubuntu-16-04/
Install pigz
https://harry.plus/blog/install-pigz-parallel-implementation-of-gzip/
Update vim
sudo add-apt-repository ppa:jonathonf/vim
sudo apt update && sudo apt upgrade