首先如果直接敲
bash Anaconda3-5.2.0-Linux-x86_64.sh
告诉我已存在
ERROR: File or directory already exists: '/root/anaconda3'If you want to update an existing installation, use the -u option.
需要使用
bash Anaconda3-5.2.0-Linux-x86_64.sh -u
之后提示没有安装bunzip2，使用以下指令安装，然后还是报错，这次是软件源有问题
[/root/anaconda3] >>> PREFIX=/root/anaconda3Anaconda3-5.2.0-Linux-x86_64.sh: line 350: bunzip2: command not foundtar: This does not look like a tar archivetar: Exiting with failure status due to previous errors[root@ml-cent-3 result]# yum install -y bzip2Loaded plugins: fastestmirror/centos/7/os/x86_64/repodata/repomd.xml: [Errno 14] curl#6 - "Could not resolve host: ; Unknown error"Trying other mirror.
好吧，换个软件源，按照网上的方法来，我发现我没有wget……
只能参考给centos重新安装yum的base-repo源手动下载对应处理器的版本，然后上传到linux上安装wget
[root@ml-cent-3 result]# rpm -ivh wget-1.19.5-3.fc29.x86_64.rpmwarning: wget-1.19.5-3.fc29.x86_64.rpm: Header V3 RSA/SHA256 Signature, key ID 429476b4: NOKEYerror: Failed dependencies:libgnutls.so.30()(64bit) is needed by wget-1.19.5-3.fc29.x86_64libgnutls.so.30(GNUTLS_3_4)(64bit) is needed by wget-1.19.5-3.fc29.x86_64libidn2.so.0()(64bit) is needed by wget-1.19.5-3.fc29.x86_64libidn2.so.0(IDN2_0.0.0)(64bit) is needed by wget-1.19.5-3.fc29.x86_64libmetalink.so.3()(64bit) is needed by wget-1.19.5-3.fc29.x86_64libnettle.so.6()(64bit) is needed by wget-1.19.5-3.fc29.x86_64libnettle.so.6(NETTLE_6)(64bit) is needed by wget-1.19.5-3.fc29.x86_64libpsl.so.5()(64bit) is needed by wget-1.19.5-3.fc29.x86_64
报错，百度得知使用下面方式可以安装成功，但是无法使用
rpm -ivh wget-1.19.5-3.fc29.x86_64.rpm --force --nodeps# 安装后# wgetwget: error while loading shared libraries: libidn2.so.0: cannot open shared object file: No such file or directory
原来下的版本不对，还是去这里下载tar.gz的吧，解压后进入文件夹查看INSTALL文档中有提示安装方法，于是尝试，，结果没有安装gcc，尝试用yum去安装gcc是失败的，以为软件源的问题没解决啊！
[root@ml-cent-3 wget-1.19]# file INSTALLINSTALL: ASCII text[root@ml-cent-3 wget-1.19]# vi INSTALL[root@ml-cent-3 wget-1.19]# ./configure && make && make installconfigure: configuring for GNU Wget 1.19checking for a BSD-compatible install... /usr/bin/install -cchecking whether build environment is sane... yeschecking for a thread-safe mkdir -p... /usr/bin/mkdir -pchecking for gawk... gawkchecking whether make sets $(MAKE)... yeschecking whether make supports nested variables... yeschecking build system type... x86_64-pc-linux-gnuchecking host system type... x86_64-pc-linux-gnuchecking whether make supports nested variables... (cached) yeschecking for gcc... nochecking for cc... nochecking for cl.exe... noconfigure: error: in `/etc/result/wget-1.19':configure: error: no acceptable C compiler found in $PATHSee `config.log' for more details
最后解决办法很简单，很粗暴，但是我竟然没有想到，，直接在网易源官网就可以下载repo文件，晕，赶紧下载下来，重命名成CentOS-Base.repo放到/etc/yum.repos.d/，还是不行
最后解决办法
最后对比了下可以正常通过yum安装软件的服务器的export出来的信息，发现其他正常服务器都有设置proxy，就这个服务器没有，果断把proxy设置搬过去，可以正常通过yum安装程序了，说明之前的repo根本没有问题！
之后就可以正常安装Anaconda了，需要注意的是刚装好是用不了conda，pip等命令的，需要添加路径
export PATH=$PATH:/root/anaconda3/bin
