安装最新版nodejs
更新ubuntu软件源
sudo apt-get update sudo apt-get install -y python-software-properties software-properties-common sudo add-apt-repository ppa:chris-lea/node.js sudo apt-get update
安装nodejs
sudo apt-get install nodejs sudo apt install nodejs-legacy sudo apt install npm
更新npm的包镜像源，方便快速下载
sudo npm config set registry https://registry.npm.taobao.org sudo npm config list
全局安装n管理器(用于管理nodejs版本)
sudo npm install n -g
安装最新的nodejs（stable版本）
sudo n stable sudo node -v
QA
Q: apt-get update找不到文件
// error code W: The repository ‘http://ppa.launchpad.net/chris-lea/node.js/ubuntu xenial Release‘ does not have a Release file. N: Data from such a repository can‘t be authenticated and is therefore potentially dangerous to use. N: See apt-secure(8) manpage for repository creation and user configuration details. E: Failed to fetch http://ppa.launchpad.net/chris-lea/node.js/ubuntu/dists/xenial/main/binary-amd64/Packages 404 Not Found E: Some index files failed to download. They have been ignored, or old ones used instead. // A: 修改node相关文件：/etc/apt/sources.list.d/chris-lea-ubuntu-node_js-xenial.list deb http://ppa.launchpad.net/chris-lea/node.js/ubuntu trusty main deb-src http://ppa.launchpad.net/chris-lea/node.js/ubuntu trusty main
Q: node -v异常
node -v -bash: /usr/local/bin/node: Permission denied sudo node -v Segmentation fault (core dumped) // A: 重新安装nodejs 手动移除 /usr/local/lib/node_modules整个目录 手动移除 /usr/local/bin/node 手动移除 /usr/local/bin/n 手动移除 /usr/local/bin/npm
ubuntu软件源
修改/etc/apt/sources.list为以下软件源（改前请备份）
163和里面在部分网络下会一直下载失败，可以改回官方源下载
源列表
http://wiki.ubuntu.org.cn/模板:16.04source
Ubuntu官方
deb http://cn.archive.ubuntu.com/ubuntu/ xenial main restricted universe multiverse deb http://cn.archive.ubuntu.com/ubuntu/ xenial-security main restricted universe multiverse deb http://cn.archive.ubuntu.com/ubuntu/ xenial-updates main restricted universe multiverse deb http://cn.archive.ubuntu.com/ubuntu/ xenial-backports main restricted universe multiverse deb http://cn.archive.ubuntu.com/ubuntu/ xenial-proposed main restricted universe multiverse deb-src http://cn.archive.ubuntu.com/ubuntu/ xenial main restricted universe multiverse deb-src http://cn.archive.ubuntu.com/ubuntu/ xenial-security main restricted universe multiverse deb-src http://cn.archive.ubuntu.com/ubuntu/ xenial-updates main restricted universe multiverse deb-src http://cn.archive.ubuntu.com/ubuntu/ xenial-backports main restricted universe multiverse deb-src http://cn.archive.ubuntu.com/ubuntu/ xenial-proposed main restricted universe multiverse
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作者：十戒s
链接：https://www.jianshu.com/p/2b24cd430a7d
來源：简书
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