“E: Unable to correct problems, you have held broken packages.” というエラーがでて、npmがインストールできない

vps3@:~$ sudo apt install -y nodejs npm
[sudo] password for hoge: 
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 npm : Depends: node-gyp (&gt;= 0.10.9) but it is not going to be installed
E: Unable to correct problems, you have held broken packages.

vps3@:~$ sudo apt install -y nodejs npm

[sudo] password for hoge:

Reading package lists... Done

Building dependency tree

Reading state information... Done

Some packages could not be installed. This may mean that you have

requested an impossible situation or if you are using the unstable

distribution that some required packages have not yet been created

or been moved out of Incoming.

The following information may help to resolve the situation:

The following packages have unmet dependencies:

npm : Depends: node-gyp (>= 0.10.9) but it is not going to be installed

E: Unable to correct problems, you have held broken packages.

node-gypがインストールされていない？

以下を実施

 sudo apt install -y npm
$ sudo apt install nodejs-dev node-gyp libssl1.0-dev

1 2	sudo apt install -y npm $ sudo apt install nodejs-dev node-gyp libssl1.0-dev