CentOs安装Nvm,Node

 

Centos7系统 镜像链接如下：

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1	https://mirrors.aliyun.com/centos/7.9.2009/isos/x86_64/CentOS-7-x86_64-Everything-2009.iso?spm=a2c6h.25603864.0.0.18de6aeaLWNeIw

　

1： 下载脚本文件 https://raw.githubusercontent.com/creationix/nvm/v0.13.1/install.sh  保存为test.sh. 文件内容如下：

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#!/usr/bin/env bash   { # this ensures the entire script is downloaded #   nvm_has() {   type "$1" > /dev/null 2>&1 }   nvm_echo() {   command printf %s\\n "$*" 2>/dev/null }   if [ -z "${BASH_VERSION}" ] || [ -n "${ZSH_VERSION}" ]; then   # shellcheck disable=SC2016   nvm_echo >&2 'Error: the install instructions explicitly say to pipe the install script to `bash`; please follow them'   exit 1 fi   nvm_grep() {   GREP_OPTIONS='' command grep "$@" }   nvm_default_install_dir() {   [ -z "${XDG_CONFIG_HOME-}" ] && printf %s "${HOME}/.nvm" || printf %s "${XDG_CONFIG_HOME}/nvm" }   nvm_install_dir() {   if [ -n "$NVM_DIR" ]; then     printf %s "${NVM_DIR}"   else     nvm_default_install_dir   fi }   nvm_latest_version() {   nvm_echo "v0.39.3" }   nvm_profile_is_bash_or_zsh() {   local TEST_PROFILE   TEST_PROFILE="${1-}"   case "${TEST_PROFILE-}" in     *"/.bashrc" | *"/.bash_profile" | *"/.zshrc" | *"/.zprofile")       return     ;;     *)       return 1     ;;   esac }   # # Outputs the location to NVM depending on: # * The availability of $NVM_SOURCE # * The method used ("script" or "git" in the script, defaults to "git") # NVM_SOURCE always takes precedence unless the method is "script-nvm-exec" # nvm_source() {   local NVM_GITHUB_REPO   NVM_GITHUB_REPO="${NVM_INSTALL_GITHUB_REPO:-nvm-sh/nvm}"   local NVM_VERSION   NVM_VERSION="${NVM_INSTALL_VERSION:-$(nvm_latest_version)}"   local NVM_METHOD   NVM_METHOD="$1"   local NVM_SOURCE_URL   NVM_SOURCE_URL="$NVM_SOURCE"   if [ "_$NVM_METHOD" = "_script-nvm-exec" ]; then     NVM_SOURCE_URL="https://raw.githubusercontent.com/${NVM_GITHUB_REPO}/${NVM_VERSION}/nvm-exec"   elif [ "_$NVM_METHOD" = "_script-nvm-bash-completion" ]; then     NVM_SOURCE_URL="https://raw.githubusercontent.com/${NVM_GITHUB_REPO}/${NVM_VERSION}/bash_completion"   elif [ -z "$NVM_SOURCE_URL" ]; then     if [ "_$NVM_METHOD" = "_script" ]; then       NVM_SOURCE_URL="https://raw.githubusercontent.com/${NVM_GITHUB_REPO}/${NVM_VERSION}/nvm.sh"     elif [ "_$NVM_METHOD" = "_git" ] || [ -z "$NVM_METHOD" ]; then       NVM_SOURCE_URL="https://github.com/${NVM_GITHUB_REPO}.git"     else       nvm_echo >&2 "Unexpected value \"$NVM_METHOD\" for \$NVM_METHOD"       return 1     fi   fi   nvm_echo "$NVM_SOURCE_URL" }   # # Node.js version to install # nvm_node_version() {   nvm_echo "$NODE_VERSION" }   nvm_download() {   if nvm_has "curl"; then     curl --fail --compressed -q "$@"   elif nvm_has "wget"; then     # Emulate curl with wget     ARGS=$(nvm_echo "$@" | command sed -e 's/--progress-bar /--progress=bar /' \                             -e 's/--compressed //' \                             -e 's/--fail //' \                             -e 's/-L //' \                             -e 's/-I /--server-response /' \                             -e 's/-s /-q /' \                             -e 's/-sS /-nv /' \                             -e 's/-o /-O /' \                             -e 's/-C - /-c /')     # shellcheck disable=SC2086     eval wget $ARGS   fi }   install_nvm_from_git() {   local INSTALL_DIR   INSTALL_DIR="$(nvm_install_dir)"   local NVM_VERSION   NVM_VERSION="${NVM_INSTALL_VERSION:-$(nvm_latest_version)}"   if [ -n "${NVM_INSTALL_VERSION:-}" ]; then     # Check if version is an existing ref     if command git ls-remote "$(nvm_source "git")" "$NVM_VERSION" | nvm_grep -q "$NVM_VERSION" ; then       :     # Check if version is an existing changeset     elif ! nvm_download -o /dev/null "$(nvm_source "script-nvm-exec")"; then       nvm_echo >&2 "Failed to find '$NVM_VERSION' version."       exit 1     fi   fi     local fetch_error   if [ -d "$INSTALL_DIR/.git" ]; then     # Updating repo     nvm_echo "=> nvm is already installed in $INSTALL_DIR, trying to update using git"     command printf '\r=> '     fetch_error="Failed to update nvm with $NVM_VERSION, run 'git fetch' in $INSTALL_DIR yourself."   else     fetch_error="Failed to fetch origin with $NVM_VERSION. Please report this!"     nvm_echo "=> Downloading nvm from git to '$INSTALL_DIR'"     command printf '\r=> '     mkdir -p "${INSTALL_DIR}"     if [ "$(ls -A "${INSTALL_DIR}")" ]; then       # Initializing repo       command git init "${INSTALL_DIR}" || {         nvm_echo >&2 'Failed to initialize nvm repo. Please report this!'         exit 2       }       command git --git-dir="${INSTALL_DIR}/.git" remote add origin "$(nvm_source)" 2> /dev/null \         || command git --git-dir="${INSTALL_DIR}/.git" remote set-url origin "$(nvm_source)" || {         nvm_echo >&2 'Failed to add remote "origin" (or set the URL). Please report this!'         exit 2       }     else       # Cloning repo       command git clone "$(nvm_source)" --depth=1 "${INSTALL_DIR}" || {         nvm_echo >&2 'Failed to clone nvm repo. Please report this!'         exit 2       }     fi   fi   # Try to fetch tag   if command git --git-dir="$INSTALL_DIR"/.git --work-tree="$INSTALL_DIR" fetch origin tag "$NVM_VERSION" --depth=1 2>/dev/null; then     :   # Fetch given version   elif ! command git --git-dir="$INSTALL_DIR"/.git --work-tree="$INSTALL_DIR" fetch origin "$NVM_VERSION" --depth=1; then     nvm_echo >&2 "$fetch_error"     exit 1   fi   command git -c advice.detachedHead=false --git-dir="$INSTALL_DIR"/.git --work-tree="$INSTALL_DIR" checkout -f --quiet FETCH_HEAD || {     nvm_echo >&2 "Failed to checkout the given version $NVM_VERSION. Please report this!"     exit 2   }   if [ -n "$(command git --git-dir="$INSTALL_DIR"/.git --work-tree="$INSTALL_DIR" show-ref refs/heads/master)" ]; then     if command git --no-pager --git-dir="$INSTALL_DIR"/.git --work-tree="$INSTALL_DIR" branch --quiet 2>/dev/null; then       command git --no-pager --git-dir="$INSTALL_DIR"/.git --work-tree="$INSTALL_DIR" branch --quiet -D master >/dev/null 2>&1     else       nvm_echo >&2 "Your version of git is out of date. Please update it!"       command git --no-pager --git-dir="$INSTALL_DIR"/.git --work-tree="$INSTALL_DIR" branch -D master >/dev/null 2>&1     fi   fi     nvm_echo "=> Compressing and cleaning up git repository"   if ! command git --git-dir="$INSTALL_DIR"/.git --work-tree="$INSTALL_DIR" reflog expire --expire=now --all; then     nvm_echo >&2 "Your version of git is out of date. Please update it!"   fi   if ! command git --git-dir="$INSTALL_DIR"/.git --work-tree="$INSTALL_DIR" gc --auto --aggressive --prune=now ; then     nvm_echo >&2 "Your version of git is out of date. Please update it!"   fi   return }   # # Automatically install Node.js # nvm_install_node() {   local NODE_VERSION_LOCAL   NODE_VERSION_LOCAL="$(nvm_node_version)"     if [ -z "$NODE_VERSION_LOCAL" ]; then     return 0   fi     nvm_echo "=> Installing Node.js version $NODE_VERSION_LOCAL"   nvm install "$NODE_VERSION_LOCAL"   local CURRENT_NVM_NODE     CURRENT_NVM_NODE="$(nvm_version current)"   if [ "$(nvm_version "$NODE_VERSION_LOCAL")" == "$CURRENT_NVM_NODE" ]; then     nvm_echo "=> Node.js version $NODE_VERSION_LOCAL has been successfully installed"   else     nvm_echo >&2 "Failed to install Node.js $NODE_VERSION_LOCAL"   fi }   install_nvm_as_script() {   local INSTALL_DIR   INSTALL_DIR="$(nvm_install_dir)"   local NVM_SOURCE_LOCAL   NVM_SOURCE_LOCAL="$(nvm_source script)"   local NVM_EXEC_SOURCE   NVM_EXEC_SOURCE="$(nvm_source script-nvm-exec)"   local NVM_BASH_COMPLETION_SOURCE   NVM_BASH_COMPLETION_SOURCE="$(nvm_source script-nvm-bash-completion)"     # Downloading to $INSTALL_DIR   mkdir -p "$INSTALL_DIR"   if [ -f "$INSTALL_DIR/nvm.sh" ]; then     nvm_echo "=> nvm is already installed in $INSTALL_DIR, trying to update the script"   else     nvm_echo "=> Downloading nvm as script to '$INSTALL_DIR'"   fi   nvm_download -s "$NVM_SOURCE_LOCAL" -o "$INSTALL_DIR/nvm.sh" || {     nvm_echo >&2 "Failed to download '$NVM_SOURCE_LOCAL'"     return 1   } &   nvm_download -s "$NVM_EXEC_SOURCE" -o "$INSTALL_DIR/nvm-exec" || {     nvm_echo >&2 "Failed to download '$NVM_EXEC_SOURCE'"     return 2   } &   nvm_download -s "$NVM_BASH_COMPLETION_SOURCE" -o "$INSTALL_DIR/bash_completion" || {     nvm_echo >&2 "Failed to download '$NVM_BASH_COMPLETION_SOURCE'"     return 2   } &   for job in $(jobs -p | command sort)   do     wait "$job" || return $?   done   chmod a+x "$INSTALL_DIR/nvm-exec" || {     nvm_echo >&2 "Failed to mark '$INSTALL_DIR/nvm-exec' as executable"     return 3   } }   nvm_try_profile() {   if [ -z "${1-}" ] || [ ! -f "${1}" ]; then     return 1   fi   nvm_echo "${1}" }   # # Detect profile file if not specified as environment variable # (eg: PROFILE=~/.myprofile) # The echo'ed path is guaranteed to be an existing file # Otherwise, an empty string is returned # nvm_detect_profile() {   if [ "${PROFILE-}" = '/dev/null' ]; then     # the user has specifically requested NOT to have nvm touch their profile     return   fi     if [ -n "${PROFILE}" ] && [ -f "${PROFILE}" ]; then     nvm_echo "${PROFILE}"     return   fi     local DETECTED_PROFILE   DETECTED_PROFILE=''     if [ "${SHELL#*bash}" != "$SHELL" ]; then     if [ -f "$HOME/.bashrc" ]; then       DETECTED_PROFILE="$HOME/.bashrc"     elif [ -f "$HOME/.bash_profile" ]; then       DETECTED_PROFILE="$HOME/.bash_profile"     fi   elif [ "${SHELL#*zsh}" != "$SHELL" ]; then     if [ -f "$HOME/.zshrc" ]; then       DETECTED_PROFILE="$HOME/.zshrc"     elif [ -f "$HOME/.zprofile" ]; then       DETECTED_PROFILE="$HOME/.zprofile"     fi   fi     if [ -z "$DETECTED_PROFILE" ]; then     for EACH_PROFILE in ".profile" ".bashrc" ".bash_profile" ".zprofile" ".zshrc"     do       if DETECTED_PROFILE="$(nvm_try_profile "${HOME}/${EACH_PROFILE}")"; then         break       fi     done   fi     if [ -n "$DETECTED_PROFILE" ]; then     nvm_echo "$DETECTED_PROFILE"   fi }   # # Check whether the user has any globally-installed npm modules in their system # Node, and warn them if so. # nvm_check_global_modules() {   local NPM_COMMAND   NPM_COMMAND="$(command -v npm 2>/dev/null)" || return 0   [ -n "${NVM_DIR}" ] && [ -z "${NPM_COMMAND%%"$NVM_DIR"/*}" ] && return 0     local NPM_VERSION   NPM_VERSION="$(npm --version)"   NPM_VERSION="${NPM_VERSION:--1}"   [ "${NPM_VERSION%%[!-0-9]*}" -gt 0 ] || return 0     local NPM_GLOBAL_MODULES   NPM_GLOBAL_MODULES="$(     npm list -g --depth=0 |     command sed -e '/ npm@/d' -e '/ (empty)$/d'   )"     local MODULE_COUNT   MODULE_COUNT="$(     command printf %s\\n "$NPM_GLOBAL_MODULES" |     command sed -ne '1!p' |                     # Remove the first line     wc -l | command tr -d ' '                   # Count entries   )"     if [ "${MODULE_COUNT}" != '0' ]; then     # shellcheck disable=SC2016     nvm_echo '=> You currently have modules installed globally with `npm`. These will no'     # shellcheck disable=SC2016     nvm_echo '=> longer be linked to the active version of Node when you install a new node'     # shellcheck disable=SC2016     nvm_echo '=> with `nvm`; and they may (depending on how you construct your `$PATH`)'     # shellcheck disable=SC2016     nvm_echo '=> override the binaries of modules installed with `nvm`:'     nvm_echo       command printf %s\\n "$NPM_GLOBAL_MODULES"     nvm_echo '=> If you wish to uninstall them at a later point (or re-install them under your'     # shellcheck disable=SC2016     nvm_echo '=> `nvm` Nodes), you can remove them from the system Node as follows:'     nvm_echo     nvm_echo '     $ nvm use system'     nvm_echo '     $ npm uninstall -g a_module'     nvm_echo   fi }   nvm_do_install() {   if [ -n "${NVM_DIR-}" ] && ! [ -d "${NVM_DIR}" ]; then     if [ -e "${NVM_DIR}" ]; then       nvm_echo >&2 "File \"${NVM_DIR}\" has the same name as installation directory."       exit 1     fi       if [ "${NVM_DIR}" = "$(nvm_default_install_dir)" ]; then       mkdir "${NVM_DIR}"     else       nvm_echo >&2 "You have \$NVM_DIR set to \"${NVM_DIR}\", but that directory does not exist. Check your profile files and environment."       exit 1     fi   fi   # Disable the optional which check, https://www.shellcheck.net/wiki/SC2230   # shellcheck disable=SC2230   if nvm_has xcode-select && [ "$(xcode-select -p >/dev/null 2>/dev/null ; echo $?)" = '2' ] && [ "$(which git)" = '/usr/bin/git' ] && [ "$(which curl)" = '/usr/bin/curl' ]; then     nvm_echo >&2 'You may be on a Mac, and need to install the Xcode Command Line Developer Tools.'     # shellcheck disable=SC2016     nvm_echo >&2 'If so, run `xcode-select --install` and try again. If not, please report this!'     exit 1   fi   if [ -z "${METHOD}" ]; then     # Autodetect install method     if nvm_has git; then       install_nvm_from_git     elif nvm_has curl || nvm_has wget; then       install_nvm_as_script     else       nvm_echo >&2 'You need git, curl, or wget to install nvm'       exit 1     fi   elif [ "${METHOD}" = 'git' ]; then     if ! nvm_has git; then       nvm_echo >&2 "You need git to install nvm"       exit 1     fi     install_nvm_from_git   elif [ "${METHOD}" = 'script' ]; then     if ! nvm_has curl && ! nvm_has wget; then       nvm_echo >&2 "You need curl or wget to install nvm"       exit 1     fi     install_nvm_as_script   else     nvm_echo >&2 "The environment variable \$METHOD is set to \"${METHOD}\", which is not recognized as a valid installation method."     exit 1   fi     nvm_echo     local NVM_PROFILE   NVM_PROFILE="$(nvm_detect_profile)"   local PROFILE_INSTALL_DIR   PROFILE_INSTALL_DIR="$(nvm_install_dir | command sed "s:^$HOME:\$HOME:")"     SOURCE_STR="\\nexport NVM_DIR=\"${PROFILE_INSTALL_DIR}\"\\n[ -s \"\$NVM_DIR/nvm.sh\" ] && \\. \"\$NVM_DIR/nvm.sh\"  # This loads nvm\\n"     # shellcheck disable=SC2016   COMPLETION_STR='[ -s "$NVM_DIR/bash_completion" ] && \. "$NVM_DIR/bash_completion"  # This loads nvm bash_completion\n'   BASH_OR_ZSH=false     if [ -z "${NVM_PROFILE-}" ] ; then     local TRIED_PROFILE     if [ -n "${PROFILE}" ]; then       TRIED_PROFILE="${NVM_PROFILE} (as defined in \$PROFILE), "     fi     nvm_echo "=> Profile not found. Tried ${TRIED_PROFILE-}~/.bashrc, ~/.bash_profile, ~/.zprofile, ~/.zshrc, and ~/.profile."     nvm_echo "=> Create one of them and run this script again"     nvm_echo "   OR"     nvm_echo "=> Append the following lines to the correct file yourself:"     command printf "${SOURCE_STR}"     nvm_echo   else     if nvm_profile_is_bash_or_zsh "${NVM_PROFILE-}"; then       BASH_OR_ZSH=true     fi     if ! command grep -qc '/nvm.sh' "$NVM_PROFILE"; then       nvm_echo "=> Appending nvm source string to $NVM_PROFILE"       command printf "${SOURCE_STR}" >> "$NVM_PROFILE"     else       nvm_echo "=> nvm source string already in ${NVM_PROFILE}"     fi     # shellcheck disable=SC2016     if ${BASH_OR_ZSH} && ! command grep -qc '$NVM_DIR/bash_completion' "$NVM_PROFILE"; then       nvm_echo "=> Appending bash_completion source string to $NVM_PROFILE"       command printf "$COMPLETION_STR" >> "$NVM_PROFILE"     else       nvm_echo "=> bash_completion source string already in ${NVM_PROFILE}"     fi   fi   if ${BASH_OR_ZSH} && [ -z "${NVM_PROFILE-}" ] ; then     nvm_echo "=> Please also append the following lines to the if you are using bash/zsh shell:"     command printf "${COMPLETION_STR}"   fi     # Source nvm   # shellcheck source=/dev/null   \. "$(nvm_install_dir)/nvm.sh"     nvm_check_global_modules     nvm_install_node     nvm_reset     nvm_echo "=> Close and reopen your terminal to start using nvm or run the following to use it now:"   command printf "${SOURCE_STR}"   if ${BASH_OR_ZSH} ; then     command printf "${COMPLETION_STR}"   fi }   # # Unsets the various functions defined # during the execution of the install script # nvm_reset() {   unset -f nvm_has nvm_install_dir nvm_latest_version nvm_profile_is_bash_or_zsh \     nvm_source nvm_node_version nvm_download install_nvm_from_git nvm_install_node \     install_nvm_as_script nvm_try_profile nvm_detect_profile nvm_check_global_modules \     nvm_do_install nvm_reset nvm_default_install_dir nvm_grep }   [ "_$NVM_ENV" = "_testing" ] || nvm_do_install   } # this ensures the entire script is downloaded #

2：  执行脚本，并且重新加载本地脚本

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1 2 3

chmod +x test.sh ./test.sh source ~/.bashrc

3.查看所有node

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1	nvm list-remote

4.安装Node.js版本

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1	nvm install v16.20.2

5.查看已安装版本号

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1

nvm list

6.使用指定版本

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1	nvm use v16.20.2