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解决brew安装curl: Failed to connect

解决brew安装curl: Failed to connect

作者: Recorder_MZou | 来源:发表于2020-04-07 21:03 被阅读0次

    安装homebrew报错“curl: (7) Failed to connect to raw.githubusercontent.com port 443: Connectio”如何解决?码笔记分享MAC安装brew报错的解决方法:

    安装homebrew报错的解决方法

    安装homebrew,执行brew安装命令后:

    /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install.sh)"
    

    报错,如下:

    curl: (7) Failed to connect to raw.githubusercontent.com port 443: Connectio

    如何解决?方法如下:

    • 1. 打开下方链接地址

    地址:https://raw.githubusercontent.com/Homebrew/install/master/install

    • 2. 保存打开后的内容

    githubusercontent

    githubusercontent

    保存网页内容,ctrl+s保存。* 3. 保存后的文件命名brew_install.rb

    第2步保存文件命名为:brew_install.rb,请注意文件后缀是.rb。

    保存后的brew_install.rb文件放在哪里都行,能找到就行。

    • 4. 找到文件目录执行命令

    进入brew_install.rb所在目录,执行命令:ruby brew_install.rb

    这个方法安装brew有点慢,brew需要从官网下载,码笔记这里测试brew下载速度只有十几k/秒,实际请以当前网络为准。

    或者直接运行脚本,把一下这段脚本保存到一个install.sh的文件,然后通过控制台运行

    #!/bin/bash
    set -u
    
    # First check if the OS is Linux.
    if [[ "$(uname)" = "Linux" ]]; then
      HOMEBREW_ON_LINUX=1
    fi
    
    # On macOS, this script installs to /usr/local only.
    # On Linux, it installs to /home/linuxbrew/.linuxbrew if you have sudo access
    # and ~/.linuxbrew otherwise.
    # To install elsewhere (which is unsupported)
    # you can untar https://github.com/Homebrew/brew/tarball/master
    # anywhere you like.
    if [[ -z "${HOMEBREW_ON_LINUX-}" ]]; then
      HOMEBREW_PREFIX="/usr/local"
      HOMEBREW_REPOSITORY="/usr/local/Homebrew"
      HOMEBREW_CACHE="${HOME}/Library/Caches/Homebrew"
    
      STAT="stat -f"
      CHOWN="/usr/sbin/chown"
      CHGRP="/usr/bin/chgrp"
      GROUP="admin"
      TOUCH="/usr/bin/touch"
    else
      HOMEBREW_PREFIX_DEFAULT="/home/linuxbrew/.linuxbrew"
      HOMEBREW_CACHE="${HOME}/.cache/Homebrew"
    
      STAT="stat --printf"
      CHOWN="/bin/chown"
      CHGRP="/bin/chgrp"
      GROUP="$(id -gn)"
      TOUCH="/bin/touch"
    fi
    BREW_REPO="https://github.com/Homebrew/brew"
    
    # TODO: bump version when new macOS is released
    MACOS_LATEST_SUPPORTED="10.15"
    # TODO: bump version when new macOS is released
    MACOS_OLDEST_SUPPORTED="10.13"
    
    # no analytics during installation
    export HOMEBREW_NO_ANALYTICS_THIS_RUN=1
    export HOMEBREW_NO_ANALYTICS_MESSAGE_OUTPUT=1
    
    # string formatters
    if [[ -t 1 ]]; then
      tty_escape() { printf "\033[%sm" "$1"; }
    else
      tty_escape() { :; }
    fi
    tty_mkbold() { tty_escape "1;$1"; }
    tty_underline="$(tty_escape "4;39")"
    tty_blue="$(tty_mkbold 34)"
    tty_red="$(tty_mkbold 31)"
    tty_bold="$(tty_mkbold 39)"
    tty_reset="$(tty_escape 0)"
    
    have_sudo_access() {
      local -a args
      if [[ -n "${SUDO_ASKPASS-}" ]]; then
        args=("-A")
      fi
    
      if [[ -z "${HAVE_SUDO_ACCESS-}" ]]; then
        if [[ -n "${args[*]-}" ]]; then
          /usr/bin/sudo "${args[@]}" -l mkdir &>/dev/null
        else
          /usr/bin/sudo -l mkdir &>/dev/null
        fi
        HAVE_SUDO_ACCESS="$?"
      fi
    
      if [[ -z "${HOMEBREW_ON_LINUX-}" ]] && [[ "$HAVE_SUDO_ACCESS" -ne 0 ]]; then
        abort "Need sudo access on macOS (e.g. the user $USER to be an Administrator)!"
      fi
    
      return "$HAVE_SUDO_ACCESS"
    }
    
    shell_join() {
      local arg
      printf "%s" "$1"
      shift
      for arg in "$@"; do
        printf " "
        printf "%s" "${arg// /\ }"
      done
    }
    
    chomp() {
      printf "%s" "${1/"$'\n'"/}"
    }
    
    ohai() {
      printf "${tty_blue}==>${tty_bold} %s${tty_reset}\n" "$(shell_join "$@")"
    }
    
    warn() {
      printf "${tty_red}Warning${tty_reset}: %s\n" "$(chomp "$1")"
    }
    
    abort() {
      printf "%s\n" "$1"
      exit 1
    }
    
    execute() {
      if ! "$@"; then
        abort "$(printf "Failed during: %s" "$(shell_join "$@")")"
      fi
    }
    
    execute_sudo() {
      local -a args=("$@")
      if [[ -n "${SUDO_ASKPASS-}" ]]; then
        args=("-A" "${args[@]}")
      fi
      if have_sudo_access; then
        ohai "/usr/bin/sudo" "${args[@]}"
        execute "/usr/bin/sudo" "${args[@]}"
      else
        ohai "${args[@]}"
        execute "${args[@]}"
      fi
    }
    
    getc() {
      local save_state
      save_state=$(/bin/stty -g)
      /bin/stty raw -echo
      IFS= read -r -n 1 -d '' "$@"
      /bin/stty "$save_state"
    }
    
    wait_for_user() {
      local c
      echo
      echo "Press RETURN to continue or any other key to abort"
      getc c
      # we test for \r and \n because some stuff does \r instead
      if ! [[ "$c" == $'\r' || "$c" == $'\n' ]]; then
        exit 1
      fi
    }
    
    major_minor() {
      echo "${1%%.*}.$(
        x="${1#*.}"
        echo "${x%%.*}"
      )"
    }
    
    if [[ -z "${HOMEBREW_ON_LINUX-}" ]]; then
      macos_version="$(major_minor "$(/usr/bin/sw_vers -productVersion)")"
    fi
    
    version_gt() {
      [[ "${1%.*}" -gt "${2%.*}" ]] || [[ "${1%.*}" -eq "${2%.*}" && "${1#*.}" -gt "${2#*.}" ]]
    }
    version_ge() {
      [[ "${1%.*}" -gt "${2%.*}" ]] || [[ "${1%.*}" -eq "${2%.*}" && "${1#*.}" -ge "${2#*.}" ]]
    }
    version_lt() {
      [[ "${1%.*}" -lt "${2%.*}" ]] || [[ "${1%.*}" -eq "${2%.*}" && "${1#*.}" -lt "${2#*.}" ]]
    }
    
    should_install_git() {
      if [[ $(command -v git) ]]; then
        return 1
      fi
    }
    
    should_install_command_line_tools() {
      if [[ -n "${HOMEBREW_ON_LINUX-}" ]]; then
        return 1
      fi
    
      if version_gt "$macos_version" "10.13"; then
        ! [[ -e "/Library/Developer/CommandLineTools/usr/bin/git" ]]
      else
        ! [[ -e "/Library/Developer/CommandLineTools/usr/bin/git" ]] ||
          ! [[ -e "/usr/include/iconv.h" ]]
      fi
    }
    
    get_permission() {
      $STAT "%A" "$1"
    }
    
    user_only_chmod() {
      [[ -d "$1" ]] && [[ "$(get_permission "$1")" != "755" ]]
    }
    
    exists_but_not_writable() {
      [[ -e "$1" ]] && ! [[ -r "$1" && -w "$1" && -x "$1" ]]
    }
    
    get_owner() {
      $STAT "%u" "$1"
    }
    
    file_not_owned() {
      [[ "$(get_owner "$1")" != "$(id -u)" ]]
    }
    
    get_group() {
      $STAT "%g" "$1"
    }
    
    file_not_grpowned() {
      [[ " $(id -G "$USER") " != *" $(get_group "$1") "* ]]
    }
    
    # USER isn't always set so provide a fall back for the installer and subprocesses.
    if [[ -z "${USER-}" ]]; then
      USER="$(chomp "$(id -un)")"
      export USER
    fi
    
    # Invalidate sudo timestamp before exiting (if it wasn't active before).
    if ! /usr/bin/sudo -n -v 2>/dev/null; then
      trap '/usr/bin/sudo -k' EXIT
    fi
    
    # Things can fail later if `pwd` doesn't exist.
    # Also sudo prints a warning message for no good reason
    cd "/usr" || exit 1
    
    ####################################################################### script
    if should_install_git; then
      abort "$(
        cat <<EOABORT
    You must install Git before installing Homebrew. See:
      ${tty_underline}https://docs.brew.sh/Installation${tty_reset}
    EOABORT
      )"
    fi
    
    if [[ -z "${HOMEBREW_ON_LINUX-}" ]]; then
      have_sudo_access
    else
      if [[ -n "${CI-}" ]] || [[ -w "$HOMEBREW_PREFIX_DEFAULT" ]] || [[ -w "/home/linuxbrew" ]] || [[ -w "/home" ]]; then
        HOMEBREW_PREFIX="$HOMEBREW_PREFIX_DEFAULT"
      else
        trap exit SIGINT
        if [[ $(/usr/bin/sudo -n -l mkdir 2>&1) != *"mkdir"* ]]; then
          ohai "Select the Homebrew installation directory"
          echo "- ${tty_bold}Enter your password${tty_reset} to install to ${tty_underline}${HOMEBREW_PREFIX_DEFAULT}${tty_reset} (${tty_bold}recommended${tty_reset})"
          echo "- ${tty_bold}Press Control-D${tty_reset} to install to ${tty_underline}$HOME/.linuxbrew${tty_reset}"
          echo "- ${tty_bold}Press Control-C${tty_reset} to cancel installation"
        fi
        if have_sudo_access; then
          HOMEBREW_PREFIX="$HOMEBREW_PREFIX_DEFAULT"
        else
          HOMEBREW_PREFIX="$HOME/.linuxbrew"
        fi
        trap - SIGINT
      fi
      HOMEBREW_REPOSITORY="${HOMEBREW_PREFIX}/Homebrew"
    fi
    
    if [[ "$UID" == "0" ]]; then
      abort "Don't run this as root!"
    elif [[ -d "$HOMEBREW_PREFIX" && ! -x "$HOMEBREW_PREFIX" ]]; then
      abort "$(
        cat <<EOABORT
    The Homebrew prefix, ${HOMEBREW_PREFIX}, exists but is not searchable. If this is
    not intentional, please restore the default permissions and try running the
    installer again:
        sudo chmod 775 ${HOMEBREW_PREFIX}
    EOABORT
      )"
    fi
    
    if [[ -z "${HOMEBREW_ON_LINUX-}" ]]; then
      if version_lt "$macos_version" "10.7"; then
        abort "$(
          cat <<EOABORT
    Your Mac OS X version is too old. See:
      ${tty_underline}https://github.com/mistydemeo/tigerbrew${tty_reset}
    EOABORT
        )"
      elif version_lt "$macos_version" "10.9"; then
        abort "Your OS X version is too old"
      elif version_gt "$macos_version" "$MACOS_LATEST_SUPPORTED" ||
        version_lt "$macos_version" "$MACOS_OLDEST_SUPPORTED"; then
        who="We"
        what=""
        if version_gt "$macos_version" "$MACOS_LATEST_SUPPORTED"; then
          what="pre-release version"
        else
          who+=" (and Apple)"
          what="old version"
        fi
        ohai "You are using macOS ${macos_version}."
        ohai "${who} do not provide support for this ${what}."
    
        echo "$(
          cat <<EOS
    This installation may not succeed.
    After installation, you will encounter build failures with some formulae.
    Please create pull requests instead of asking for help on Homebrew\'s GitHub,
    Discourse, Twitter or IRC. You are responsible for resolving any issues you
    experience while you are running this ${what}.
    EOS
        )
    "
      fi
    fi
    
    ohai "This script will install:"
    echo "${HOMEBREW_PREFIX}/bin/brew"
    echo "${HOMEBREW_PREFIX}/share/doc/homebrew"
    echo "${HOMEBREW_PREFIX}/share/man/man1/brew.1"
    echo "${HOMEBREW_PREFIX}/share/zsh/site-functions/_brew"
    echo "${HOMEBREW_PREFIX}/etc/bash_completion.d/brew"
    echo "${HOMEBREW_REPOSITORY}"
    
    # Keep relatively in sync with
    # https://github.com/Homebrew/brew/blob/master/Library/Homebrew/keg.rb
    directories=(bin etc include lib sbin share opt var
      Frameworks
      etc/bash_completion.d lib/pkgconfig
      share/aclocal share/doc share/info share/locale share/man
      share/man/man1 share/man/man2 share/man/man3 share/man/man4
      share/man/man5 share/man/man6 share/man/man7 share/man/man8
      var/log var/homebrew var/homebrew/linked
      bin/brew)
    group_chmods=()
    for dir in "${directories[@]}"; do
      if exists_but_not_writable "${HOMEBREW_PREFIX}/${dir}"; then
        group_chmods+=("${HOMEBREW_PREFIX}/${dir}")
      fi
    done
    
    # zsh refuses to read from these directories if group writable
    directories=(share/zsh share/zsh/site-functions)
    zsh_dirs=()
    for dir in "${directories[@]}"; do
      zsh_dirs+=("${HOMEBREW_PREFIX}/${dir}")
    done
    
    directories=(bin etc include lib sbin share var opt
      share/zsh share/zsh/site-functions
      var/homebrew var/homebrew/linked
      Cellar Caskroom Homebrew Frameworks)
    mkdirs=()
    for dir in "${directories[@]}"; do
      if ! [[ -d "${HOMEBREW_PREFIX}/${dir}" ]]; then
        mkdirs+=("${HOMEBREW_PREFIX}/${dir}")
      fi
    done
    
    user_chmods=()
    if [[ "${#zsh_dirs[@]}" -gt 0 ]]; then
      for dir in "${zsh_dirs[@]}"; do
        if user_only_chmod "${dir}"; then
          user_chmods+=("${dir}")
        fi
      done
    fi
    
    chmods=()
    if [[ "${#group_chmods[@]}" -gt 0 ]]; then
      chmods+=("${group_chmods[@]}")
    fi
    if [[ "${#user_chmods[@]}" -gt 0 ]]; then
      chmods+=("${user_chmods[@]}")
    fi
    
    chowns=()
    chgrps=()
    if [[ "${#chmods[@]}" -gt 0 ]]; then
      for dir in "${chmods[@]}"; do
        if file_not_owned "${dir}"; then
          chowns+=("${dir}")
        fi
        if file_not_grpowned "${dir}"; then
          chgrps+=("${dir}")
        fi
      done
    fi
    
    if [[ "${#group_chmods[@]}" -gt 0 ]]; then
      ohai "The following existing directories will be made group writable:"
      printf "%s\n" "${group_chmods[@]}"
    fi
    if [[ "${#user_chmods[@]}" -gt 0 ]]; then
      ohai "The following existing directories will be made writable by user only:"
      printf "%s\n" "${user_chmods[@]}"
    fi
    if [[ "${#chowns[@]}" -gt 0 ]]; then
      ohai "The following existing directories will have their owner set to ${tty_underline}${USER}${tty_reset}:"
      printf "%s\n" "${chowns[@]}"
    fi
    if [[ "${#chgrps[@]}" -gt 0 ]]; then
      ohai "The following existing directories will have their group set to ${tty_underline}${GROUP}${tty_reset}:"
      printf "%s\n" "${chgrps[@]}"
    fi
    if [[ "${#mkdirs[@]}" -gt 0 ]]; then
      ohai "The following new directories will be created:"
      printf "%s\n" "${mkdirs[@]}"
    fi
    
    if should_install_command_line_tools; then
      ohai "The Xcode Command Line Tools will be installed."
    fi
    
    if [[ -t 0 && -z "${CI-}" ]]; then
      wait_for_user
    fi
    
    if [[ -d "${HOMEBREW_PREFIX}" ]]; then
      if [[ "${#chmods[@]}" -gt 0 ]]; then
        execute_sudo "/bin/chmod" "u+rwx" "${chmods[@]}"
      fi
      if [[ "${#group_chmods[@]}" -gt 0 ]]; then
        execute_sudo "/bin/chmod" "g+rwx" "${group_chmods[@]}"
      fi
      if [[ "${#user_chmods[@]}" -gt 0 ]]; then
        execute_sudo "/bin/chmod" "755" "${user_chmods[@]}"
      fi
      if [[ "${#chowns[@]}" -gt 0 ]]; then
        execute_sudo "$CHOWN" "$USER" "${chowns[@]}"
      fi
      if [[ "${#chgrps[@]}" -gt 0 ]]; then
        execute_sudo "$CHGRP" "$GROUP" "${chgrps[@]}"
      fi
    else
      execute_sudo "/bin/mkdir" "-p" "${HOMEBREW_PREFIX}"
      if [[ -z "${HOMEBREW_ON_LINUX-}" ]]; then
        execute_sudo "$CHOWN" "root:wheel" "${HOMEBREW_PREFIX}"
      else
        execute_sudo "$CHOWN" "$USER:$GROUP" "${HOMEBREW_PREFIX}"
      fi
    fi
    
    if [[ "${#mkdirs[@]}" -gt 0 ]]; then
      execute_sudo "/bin/mkdir" "-p" "${mkdirs[@]}"
      execute_sudo "/bin/chmod" "g+rwx" "${mkdirs[@]}"
      execute_sudo "$CHOWN" "$USER" "${mkdirs[@]}"
      execute_sudo "$CHGRP" "$GROUP" "${mkdirs[@]}"
    fi
    
    if ! [[ -d "${HOMEBREW_CACHE}" ]]; then
      if [[ -z "${HOMEBREW_ON_LINUX-}" ]]; then
        execute_sudo "/bin/mkdir" "-p" "${HOMEBREW_CACHE}"
      else
        execute "/bin/mkdir" "-p" "${HOMEBREW_CACHE}"
      fi
    fi
    if exists_but_not_writable "${HOMEBREW_CACHE}"; then
      execute_sudo "/bin/chmod" "g+rwx" "${HOMEBREW_CACHE}"
    fi
    if file_not_owned "${HOMEBREW_CACHE}"; then
      execute_sudo "$CHOWN" "$USER" "${HOMEBREW_CACHE}"
    fi
    if file_not_grpowned "${HOMEBREW_CACHE}"; then
      execute_sudo "$CHGRP" "$GROUP" "${HOMEBREW_CACHE}"
    fi
    if [[ -d "${HOMEBREW_CACHE}" ]]; then
      execute "$TOUCH" "${HOMEBREW_CACHE}/.cleaned"
    fi
    
    if should_install_command_line_tools && version_ge "$macos_version" "10.13"; then
      ohai "Searching online for the Command Line Tools"
      # This temporary file prompts the 'softwareupdate' utility to list the Command Line Tools
      clt_placeholder="/tmp/.com.apple.dt.CommandLineTools.installondemand.in-progress"
      execute_sudo "$TOUCH" "$clt_placeholder"
    
      clt_label_command="/usr/sbin/softwareupdate -l |
                          grep -B 1 -E 'Command Line Tools' |
                          awk -F'*' '/^ *\\*/ {print \$2}' |
                          sed -e 's/^ *Label: //' -e 's/^ *//' |
                          sort -V |
                          tail -n1"
      clt_label="$(chomp "$(/bin/bash -c "$clt_label_command")")"
    
      if [[ -n "$clt_label" ]]; then
        ohai "Installing $clt_label"
        execute_sudo "/usr/sbin/softwareupdate" "-i" "$clt_label"
        execute_sudo "/bin/rm" "-f" "$clt_placeholder"
        execute_sudo "/usr/bin/xcode-select" "--switch" "/Library/Developer/CommandLineTools"
      fi
    fi
    
    # Headless install may have failed, so fallback to original 'xcode-select' method
    if should_install_command_line_tools && test -t 0; then
      ohai "Installing the Command Line Tools (expect a GUI popup):"
      execute_sudo "/usr/bin/xcode-select" "--install"
      echo "Press any key when the installation has completed."
      getc
      execute_sudo "/usr/bin/xcode-select" "--switch" "/Library/Developer/CommandLineTools"
    fi
    
    if [[ -z "${HOMEBREW_ON_LINUX-}" ]] && ! output="$(/usr/bin/xcrun clang 2>&1)" && [[ "$output" == *"license"* ]]; then
      abort "$(
        cat <<EOABORT
    You have not agreed to the Xcode license.
    Before running the installer again please agree to the license by opening
    Xcode.app or running:
        sudo xcodebuild -license
    EOABORT
      )"
    fi
    
    ohai "Downloading and installing Homebrew..."
    (
      cd "${HOMEBREW_REPOSITORY}" >/dev/null || return
    
      # we do it in four steps to avoid merge errors when reinstalling
      execute "git" "init" "-q"
    
      # "git remote add" will fail if the remote is defined in the global config
      execute "git" "config" "remote.origin.url" "${BREW_REPO}"
      execute "git" "config" "remote.origin.fetch" "+refs/heads/*:refs/remotes/origin/*"
    
      # ensure we don't munge line endings on checkout
      execute "git" "config" "core.autocrlf" "false"
    
      execute "git" "fetch" "origin" "--force"
      execute "git" "fetch" "origin" "--tags" "--force"
    
      execute "git" "reset" "--hard" "origin/master"
    
      execute "ln" "-sf" "${HOMEBREW_REPOSITORY}/bin/brew" "${HOMEBREW_PREFIX}/bin/brew"
    
      execute "${HOMEBREW_PREFIX}/bin/brew" "update" "--force"
    )
    
    if [[ ":${PATH}:" != *":${HOMEBREW_PREFIX}/bin:"* ]]; then
      warn "${HOMEBREW_PREFIX}/bin is not in your PATH."
    fi
    
    ohai "Installation successful!"
    echo
    
    # Use the shell's audible bell.
    if [[ -t 1 ]]; then
      printf "\a"
    fi
    
    # Use an extra newline and bold to avoid this being missed.
    ohai "Homebrew has enabled anonymous aggregate formulae and cask analytics."
    echo "$(
      cat <<EOS
    ${tty_bold}Read the analytics documentation (and how to opt-out) here:
      ${tty_underline}https://docs.brew.sh/Analytics${tty_reset}
    No analytics data has been sent yet (or will be during this \`install\` run).
    EOS
    )
    "
    
    ohai "Homebrew is run entirely by unpaid volunteers. Please consider donating:"
    echo "$(
      cat <<EOS
      ${tty_underline}https://github.com/Homebrew/brew#donations${tty_reset}
    EOS
    )
    "
    
    (
      cd "${HOMEBREW_REPOSITORY}" >/dev/null || return
      execute "git" "config" "--replace-all" "homebrew.analyticsmessage" "true"
      execute "git" "config" "--replace-all" "homebrew.caskanalyticsmessage" "true"
    )
    
    ohai "Next steps:"
    echo "- Run \`brew help\` to get started"
    echo "- Further documentation: "
    echo "    ${tty_underline}https://docs.brew.sh${tty_reset}"
    
    if [[ -n "${HOMEBREW_ON_LINUX-}" ]]; then
      case "$SHELL" in
      */bash*)
        if [[ -r "$HOME/.bash_profile" ]]; then
          shell_profile="$HOME/.bash_profile"
        else
          shell_profile="$HOME/.profile"
        fi
        ;;
      */zsh*)
        shell_profile="$HOME/.zprofile"
        ;;
      *)
        shell_profile="$HOME/.profile"
        ;;
      esac
    
      cat <<EOS
    - Install the Homebrew dependencies if you have sudo access:
      ${tty_bold}Debian, Ubuntu, etc.${tty_reset}
        sudo apt-get install build-essential
      ${tty_bold}Fedora, Red Hat, CentOS, etc.${tty_reset}
        sudo yum groupinstall 'Development Tools'
      See ${tty_underline}https://docs.brew.sh/linux${tty_reset} for more information.
    - Configure Homebrew in your ${tty_underline}${shell_profile}${tty_reset} by running
        echo 'eval \$(${HOMEBREW_PREFIX}/bin/brew shellenv)' >> ${shell_profile}
    - Add Homebrew to your ${tty_bold}PATH${tty_reset}
        eval \$(${HOMEBREW_PREFIX}/bin/brew shellenv)
    - We recommend that you install GCC by running:
        brew install gcc
    
    EOS
    fi
    
    

    方法二:

    (1)打开网站: `https://www.ipaddress.com/`
    查询一下 `raw.githubusercontent.com`对应的IP 地址
    
    image.png
    (2)替换系统的host文件
    注意:最好复制一份出来在更改
    
    image.png image.png image.png
    • 这里其实相当于网络不通的解决方式,一个网址在你电脑上是否能打开,打不开 我们都会在终端(dos系统)ping 一下 举个例子:


      在这里插入图片描述

      这是通的状态,一般不通会显示 timeout 等,你可以试试你的github是否通着。(一般电信公司排查网络问题,也是这样,看看是否丢包)

    2.当没有权限修改hosts文件的时候,可以这样操作:
    找到etc文件夹,然后右键,打开显示简介。找到最下面的共享与权限,点击打开,如图所示。


    image.png

    现在先打开右下角的小锁,然后修改everybody的权限为“读与写”即可,现在就可以继续之前的修改文档了,修改好之后保存。

    image.png

    新增hosts的文件:(用于github的连接)

    151.101.184.133 avatars0.githubusercontent.com
    151.101.184.133 avatars1.githubusercontent.com
    151.101.184.133 avatars2.githubusercontent.com
    151.101.184.133 avatars3.githubusercontent.com
    151.101.184.133 avatars4.githubusercontent.com
    151.101.184.133 avatars5.githubusercontent.com
    151.101.184.133 avatars6.githubusercontent.com
    151.101.184.133 avatars7.githubusercontent.com
    151.101.184.133 avatars8.githubusercontent.com
    

    修改完hosts还不会立即生效,你需要刷新DNS缓存,告诉电脑我的hosts文件已经修改了。

    sudo killall -HUP mDNSResponder
    

    大千世界,求同存异;相遇是缘,相识是份,相知便是“猿粪”(缘分)
    From MZou

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