centOS7.4安装gitlab
1、环境：
虚拟机：VMware Workstation
系统：CentOS7.4 x86_64
2、工具：
我这边用的是Xshell6-6.0.0111r，WinSCP
原因就是方便
3、下载安装包
下载地址:https://mirrors.tuna.tsinghua.edu.cn/gitlab-ce/yum/el7/gitlab-ce-10.0.0-ce.0.el7.x86_64.rpm
4、安装依赖
在CentOS系统上安装所需的依赖：ssh，防火墙,postfix(用于邮件通知) ，wget，以下这些命令也会打开系统防火墙中的HTTP和SSH端口访问。
4.1、安装ssh
[root@localhost ~]# sudo yum install -y curl policycoreutils-pythonopenssh-server
已加载插件：fastestmirror
base | 3.6 kB 00:00:00
extras | 3.4 kB 00:00:00
updates | 3.4 kB 00:00:00
(1/4): base/7/x86_64/group_gz | 166 kB 00:00:00
(2/4): extras/7/x86_64/primary_db | 156 kB 00:00:00
(3/4): updates/7/x86_64/primary_db | 1.3 MB 00:00:02
(4/4): base/7/x86_64/primary_db | 6.0 MB 00:00:02
...
更新完毕:
curl.x86_64 0:7.29.0-51.el7
作为依赖被升级:
libcurl.x86_64 0:7.29.0-51.el7 nspr.x86_64 0:4.19.0-1.el7_5 nss.x86_64 0:3.36.0-7.el7_5 nss-pem.x86_64 0:1.0.3-5.el7
nss-softokn.x86_64 0:3.36.0-5.el7_5 nss-softokn-freebl.x86_64 0:3.36.0-5.el7_5 nss-sysinit.x86_64 0:3.36.0-7.el7_5 nss-tools.x86_64 0:3.36.0-7.el7_5
nss-util.x86_64 0:3.36.0-1.el7_5
完毕！
4.2、将SSH服务设置成开机自启动 ，启动SSH服务
[root@localhost ~]# sudo systemctl enable sshd
[root@localhost ~]# sudo systemctl start sshd4.3、安装防火墙(已安装，请启动后跳过)
[root@localhost ~]# yum install firewalld systemd -y4.4、启动防火墙
[root@localhost ~]# systemctl start firewalld4.5、添加http服务到firewalld,pemmanent表示永久生效，若不加--permanent系统下次启动后就会失效。
[root@localhost ~]# sudo firewall-cmd --permanent --add-service=http
success
4.6、重启防火墙
[root@localhost ~]# sudo systemctl reload firewalld4.7、安装Postfix
[root@localhost ~]# sudo yum install postfix
已加载插件：fastestmirror
Loading mirror speeds from cached hostfile
* base: mirror.jdcloud.com
* extras: mirror.jdcloud.com
* updates: mirrors.cqu.edu.cn
正在解决依赖关系
...
作为依赖被安装:
mariadb-libs.x86_64 1:5.5.60-1.el7_5
更新完毕:
postfix.x86_64 2:2.10.1-7.el7
完毕！4.8、将postfix服务设置成开机自启动，并启动
[root@localhost ~]# sudo systemctl enable postfix
[root@localhost ~]# sudo systemctl start postfix4.9、安装policycoreutils-python
[root@localhost local]# yum install policycoreutils-python
已加载插件：fastestmirror
Loading mirror speeds from cached hostfile
* base: mirror.jdcloud.com
* extras: mirror.jdcloud.com
* updates: mirrors.cqu.edu.cn
正在解决依赖关系
...
已安装:
policycoreutils-python.x86_64 0:2.5-29.el7
作为依赖被安装:
audit-libs-python.x86_64 0:2.8.4-4.el7 checkpolicy.x86_64 0:2.5-8.el7 libcgroup.x86_64 0:0.41-20.el7 libsemanage-python.x86_64 0:2.5-14.el7
python-IPy.noarch 0:0.75-6.el7 setools-libs.x86_64 0:3.3.8-4.el7
作为依赖被升级:
audit.x86_64 0:2.8.4-4.el7 audit-libs.x86_64 0:2.8.4-4.el7 libselinux.x86_64 0:2.5-14.1.el7 libselinux-python.x86_64 0:2.5-14.1.el7
libselinux-utils.x86_64 0:2.5-14.1.el7 libsemanage.x86_64 0:2.5-14.el7 libsepol.x86_64 0:2.5-10.el7 policycoreutils.x86_64 0:2.5-29.el7
完毕！
5、安装gitlab
安装有点慢，稍等几分钟。。
[root@localhost local]# rpm -i gitlab-ce-10.2.5-ce.0.el7.x86_64.rpm
警告：gitlab-ce-10.2.5-ce.0.el7.x86_64.rpm: 头V4 RSA/SHA1 Signature, 密钥 ID f27eab47: NOKEY
It looks like GitLab has not been configured yet; skipping the upgrade script.
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Thank you for installing GitLab!
GitLab was unable to detect a valid hostname for your instance.
Please configure a URL for your GitLab instance by setting `external_url`
configuration in /etc/gitlab/gitlab.rb file.
Then, you can start your GitLab instance by running the following command:
sudo gitlab-ctl reconfigure
For a comprehensive list of configuration options please see the Omnibus GitLab readme
https://gitlab.com/gitlab-org/omnibus-gitlab/blob/master/README.md6、修改gitlab配置文件指定服务器ip和自定义端口
修改etc/gitlab/gitlab.rb文件，分配一个不会冲突的端口号，这里我用的是8666
## GitLab configuration settings
##! This file is generated during initial installation and **is not** modified
##! during upgrades.
##! Check out the latest version of this file to know about the different
##! settings that can be configured by this file, which may be found at:
##! https://gitlab.com/gitlab-org/omnibus-gitlab/raw/master/files/gitlab-config-template/gitlab.rb.template
## GitLab URL
##! URL on which GitLab will be reachable.
##! For more details on configuring external_url see:
##! https://docs.gitlab.com/omnibus/settings/configuration.html#configuring-the-external-url-for-gitlab
## external_url 'http://gitlab.example.com'
external_url 'http://localhost:8666'
7、重置并启动GitLab
[root@localhost local]# gitlab-ctl reconfigure
[root@localhost local]# gitlab-ctl restart8、将防火墙端口开放8666端口
[root@localhost local]# firewall-cmd --permanent --zone=public --add-port=8666/tcp
success
9、访问页面
192.168.92.129:8666
结果访问不到！！！
百度了一下原因
第一种：端口8080被占用
第二种：内存小于2G
将内存由1g改为2g(推荐4g)
修改后
sudo gitlab-ctl reconfigure或者sudo gitlab-ctl restart
再次访问
初始账户: root 密码:5iveL!fe
第一次登录修改密码
