零起步5-CentOS7.6源码编译安装git-2.24.1

安装 git-2.24.1

 

 

准备工作1：下载安装包及相关依赖，git有几个依赖 openssl openssl-devel curl-devel expat-devel，已安装的不用重复安装

 

[root@localhost ~]# wget https://github.com/git/git/archive/v2.24.1.tar.gz
[root@localhost ~]# yum install expat-devel openssl openssl-devel curl-devel -y

 

 

 

编译安装 

 

[root@localhost ~]# tar zxvf v2.24.1.tar.gz
[root@localhost ~]# cd git-2.24.1/
[root@localhost git-2.24.1]# make prefix=/usr/local/git all
[root@localhost git-2.24.1]# make prefix=/usr/local/git install
[root@localhost git-2.24.1]# cd ..

 

 

配置环境变量，添加git用户和组（禁用shell登录）

 

[root@localhost ~]# echo "export PATH=$PATH:/usr/local/git/bin" >> /etc/bashrc
[root@localhost ~]# source /etc/bashrc
[root@localhost ~]# groupadd git
[root@localhost ~]# useradd git -g git
[root@localhost ~]# su - git
[git@localhost ~]$ cat /etc/passwd |grep git
git:x:1002:1002::/home/git:/bin/bash

 

 

至此，git服务安装完成！

 

安装报错及处理办法

 

git-compat-util.h:283:25: 致命错误：openssl/ssl.h：没有那个文件或目录

yum install openssl openssl-devel  -y

 

http.h:6:23: 致命错误：curl/curl.h：没有那个文件或目录

yum -y install curl-devel -y

 

http-push.c:22:19: 致命错误：expat.h：没有那个文件或目录

yum install expat-devel -y

 

 

Git服务器配置

 

创建证书登录

 

添加证书之前，还要做这么一步： Git服务器打开RSA认证 。在Git服务器上首先需要将/etc/ssh/sshd_config中的RSA认证打开，即将sshd_config文件中下面几个的注释解开

1. RSAAuthentication yes 

2. PubkeyAuthentication yes 

3. AuthorizedKeysFile .ssh/authorized_keys

 

所以我们在/home/git下创建.ssh目录，然后创建authorized_keys文件，再设置私钥，创建公钥

 

[root@localhost ~]# su - git
[git@localhost ~]$ cd /home/git/ 
[git@localhost ~]$ mkdir .ssh 
[git@localhost ~]$ chmod 700 .ssh 
[git@localhost ~]$ touch .ssh/authorized_keys 
[git@localhost ~]$ chmod 600 .ssh/authorized_keys
[git@localhost ~]$ cd ~/.ssh
[git@localhost .ssh]$ ll
总用量 0
-rw-------. 1 git git 0 12月 21 06:55 authorized_keys

[git@localhost .ssh]$ ssh-keygen -t rsa -C "[email protected]"
Generating public/private rsa key pair.
Enter file in which to save the key (/home/git/.ssh/id_rsa): authorized_keys
authorized_keys already exists.
Overwrite (y/n)? y
Enter passphrase (empty for no passphrase):
Enter same passphrase again:
Your identification has been saved in authorized_keys.
Your public key has been saved in authorized_keys.pub.
The key fingerprint is:
SHA256:sBSBC4rSnkFUgZBkNKN1eerEewgAhmXLL2UvxieEHK8 [email protected]
The key's randomart image is:
+---[RSA 2048]----+
|B%*o++o.         |
|B=**o ..         |
|o==o=+o          |
|+ +B=o o         |
|..E**o+ S        |
|  oo++.          |
|     .           |
|                 |
|                 |
+----[SHA256]-----+

[git@localhost .ssh]$ ll
总用量 8
-rw-------. 1 git git 1766 12月 21 06:59 authorized_keys
-rw-r--r--. 1 git git  403 12月 21 06:59 authorized_keys.pub
[git@localhost .ssh]$ cat authorized_keys.pub

ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDkzB8FpT6oVnVhhwp3vd7EsXICgiLwMnlyM8/If9Rh8sfiWKOWbQK2tUsLi9H6SEdpolNyUwdM/+gfkMGYJz2Kjw7IUESJol5WGK+DSNkM2NLF8k/Z2VVSHKE06Crgq+94NTwgGpukZ2o0oTeZjEELMC62RvC9bS+ALv+y7Au87fiOcdeOG2+uR0T1OZIeDSF4zEsnSVAw+PumXptol8oGqiA2jqTDfoeF28tC4JkYviMdTGegSzpDOC4sK0N/+ZZAMznetlXst7iTtIFSbnnFA7pXdovPF8zfxa8hlQjejomYD7mx6i0tSDzRofMwveOdUFKTXgZqEBTc9ZA1KNnT [email protected]

 

上面的authorized_keys.pub即为生成的公钥，将公钥内容拷贝到 github中，

登录http://github.com，鼠标移到右上角的图标进入个人设置页面，title随便填，key填入cat authorized_keys.pub 如上输出的红色内容

Settings -->  SSH and GPG keys  -->  New SSH key

 

最后一步，将私钥加入到本地计算机的ssh-agent 中，因为现在私钥存储在本地计算机中，但跟GitHub 建立连接的时候，实际上是本机计算机的 ssh-agent 与 GitHub 服务器进行通信，ssh-agent并不知道私钥存储在哪儿，所以要有以下操作

 

[git@localhost .ssh]$ ssh-add ~/.ssh/authorized_keys
Could not open a connection to your authentication agent.
[git@localhost .ssh]$ eval `ssh-agent  -s`
Agent pid 43025
[git@localhost .ssh]$ ssh-add ~/.ssh/authorized_keys
Enter passphrase for /home/git/.ssh/authorized_keys:
Identity added: /home/git/.ssh/authorized_keys (/home/git/.ssh/authorized_keys)
[git@localhost .ssh]$ ssh-add -l
2048 SHA256:sBSBC4rSnkFUgZBkNKN1eerEewgAhmXLL2UvxieEHK8 /home/git/.ssh/authorized_keys (RSA)

 

 

一切准备就绪，测试与github的通信

 

[git@localhost .ssh]$ ssh -T [email protected]

 

如果连接成功，应该会有以下提示，这表明git服务搭建成功

Hi xxx! You've successfully authenticated, but GitHub does not provide shell access.

 

再切换到root用户，修改git权限，只允许ssh连接来推送和获取git仓库，禁止shell登录，将

git:x:1002:1002::/home/git:/bin/bash

改为

git:x:1002:1002::/home/git:/usr/local/git/bin/git-shell

 

[git@localhost ~]$ su
密码：
[root@localhost ~]# vi /etc/passwd
[root@localhost ~]# cat /etc/passwd |grep git
git:x:1002:1002::/home/git:/usr/local/git/bin/git-shell

 

 

 

 

错误一：没有将pubKey添加到github导致的验证失败

debug1: No more authentication methods to try.

Permission denied (publickey).

 

错误二：保存在本地计算机的私钥没有加入到本地计算机的ssh-agent 中

Could not open a connection to your authentication agent.

 

警告：将RSA连接的github  IP和github.com域名持久绑定到hosts中（也可不理会）

Warning: Permanently added ' github.com,13.250.177.223' (RSA) to the list of known hosts.

 

[root@localhost ~]# vi /etc/hosts

 

加入以下内容在文件最后，保存退出

13.250.177.223 github.com