前言：公司配的mac,由于版本等原因导致pod install失败，在网上搜索了很多解决方案，也试了很多方法。然而并没有什么卵用，最后只能卸掉cocoapods 重新安装属于自己的包管理工具。
一，卸载cocoapods
1，首先，检查自己是否有没有安装过pod:
~which pod/usr/local/bin/pod
➜ ~ sudo rm -rf /usr/local/bin/podPassword:
➜ ~ gem list显示如下：......claide (1.0.2)
cocoapods (1.4.0)
cocoapods-core (1.4.0)
cocoapods-deintegrate (1.0.2)
cocoapods-downloader (1.1.3)
cocoapods-plugins (1.0.0)
cocoapods-search (1.0.0)
cocoapods-stats (1.0.0)
cocoapods-trunk (1.3.0)
cocoapods-try (1.1.0)
colored2 (3.1.2 )
......
➜ ~ sudo gem uninstall cocoapods -v 1.4.0in addition to the gem? [Yn] y根据提示输入y，允许卸载：Removing podRemoving sandbox-podSuccessfully uninstalled cocoapods-1.4.0
➜ ~ sudo gem uninstall cocoapods-XXX
➜ ~ gem list
只要文件中没有cocoapods的文件就可以了。
二，修改镜像源
1，查看源：➜ ~ gem sources -l*** CURRENT SOURCES ***https://gems.ruby-china.org这里我的源位置不是https://gems.ruby-china.org/，需要修改：
➜ ~ gem sources --remove https://gems.ruby-china.orghttps://gems.ruby-china.org removed from sources
查看是否移除成功：➜ ~ gem sources -l*** CURRENT SOURCES ***没有即证明移除
3，添加源，网上有提供淘宝源的，但好像淘宝源不能用了，以下建议：
➜ ~ gem sources -a https://gems.ruby-china.org/
查看是否添加成功：
➜ ~ gem sources -l
*** CURRENT SOURCES ***https://gems.ruby-china.org/
出现上述即为add成功
三，安装cocoapods，项目应用
1,安装，根据提示输入密码➜ ~ sudo gem install cocoapods
Password:Fetching: cocoapods-core-1.5.2.gem (100%)
Successfully installed cocoapods-core-1.5.2Fetching: cocoapods-deintegrate-1.0.2.gem (100%)
Successfully installed cocoapods-deintegrate-1.0.2......ERROR: While executing gem ... (Errno::EPERM)
Operation not permitted - /usr/bin/xcodeproj
咦？出现个错误，没关系，接下来这样做：
➜ ~ sudo gem install -n /usr/local/bin cocoapods
➜ ~ pod setup
Setting up CocoaPods master repo$ /usr/bin/git clone https://github.com/CocoaPods/Specs.git master --progressCloning into 'master'...remote: Counting objects: 2141415, done.
remote: Compressing objects: 100% (398/398), done.
Receiving objects: 0% (9227/2141415), 1.84 MiB | 10.00 KiB/s接着，耐心等待～～～
四，其他问题
1, YAML safe loading is not available. Please upgrade psych to a version that supports safe loading (>= 2.0).解决办法：
$ rvm list known$ rvm install 2.4.1 # 这里可以安装你需要的版本 但是需要安装2.0以上的$ rvm use 2.4.1 --default2，unable to access 'https://github.com/CocoaPods/Specs.git/': SSLRead() return error -9806
或者出现如下错误提示：
[!] /usr/bin/git clone https://github.com/CocoaPods/Specs.git master --progress
Cloning into 'master'...
remote: Counting objects: 2143217, done.
remote: Compressing objects: 100% (348/348), done.
error: RPC failed;
解决办法：
git config --global http.proxy 更改代理
pod setup 应用pod
git config --global --unset http.proxy 取消代理
再查询，已经没有了代理， 后成功安装。
[!]/usr/bin/git clone https://github.com/BaiduLBS/BaiduMapKit.git
/var/folders/qx/xn6yzj497sb42jwz9z6nyyjm0000gn/T/d20180516-70123-1uz7sj3
--template= --single-branch --depth 1 --branch 3.2.1
将Podfile文件的内容改为
use_frameworks! platform :ios, ‘8.3‘ target "baidu" do pod 'BaiduMapKit’,’2.10.2’ end BaiduMapKit版本号根据你的自定义。执行
pod install
还是不行的话，是因为pod install命令被墙了,换成pod install --verbose --no-repo-update搞定!