add software source
- apt add-repository ppa:webupd8team/java
update local cache
- apt update
search package
- apt list |grep java
install package
- apt install oracle-java8*
add software source
- apt add-repository ppa:webupd8team/java
update local cache
- apt update
search package
- apt list |grep java
install package
- apt install oracle-java8*