useradd ubuntu code example
Example 1: ubuntu adduser
sudo adduser username
sudo usermod -aG sudo username
Example 2: libpng12.so.0 ubuntu 18.04
wget -q -O /tmp/libpng12.deb http://mirrors.kernel.org/ubuntu/pool/main/libp/libpng/libpng12-0_1.2.54-1ubuntu1_amd64.deb
dpkg -i /tmp/libpng12.deb
rm /tmp/libpng12.deb
Example 3: ubuntu passwordless sudo
sudo vim /etc/sudoers
# Find `includedir /etc/sudoers.d` usually last line of file
username ALL=(ALL) NOPASSWD: ALL
Example 4: allintext:ubuntu "new user"command
sudo adduser userNameHere