How to Install Gitlab OmniBus and Gitlab-CE 12.0.3 on CentOS 7.6

Installation of GitLab OmniBus And Gitlab-CE 12.0.3 On CentOs 7.6

OmniBus Packages:

curl policycoreutils-python openssh-server postfix

GitLab Package Repository Command:

curl https://packages.gitlab.com/install/repositories/gitlab/gitlab-ee/script.rpm.sh | sudo bash

Installation Procedure

Install the omnibus packages in order to run the GItlab-CE 12.0.3 by executing the following command.And then enable and start the service of both sshd and postfix .

[root@localhost ~]# yum install curl policycoreutils-python openssh-server postfix -y
Loaded plugins: fastestmirror, langpacks
Loading mirror speeds from cached hostfile
 * base: mirrors.123host.vn
 * extras: mirror.ehost.vn
 * updates: mirrors.123host.vn
base                                                                                                                  | 3.6 kB  00:00:00     
extras                                                                                                                | 3.4 kB  00:00:00     
updates                                                                                                               | 3.4 kB  00:00:00     
(1/2): extras/7/x86_64/primary_db                                                                                     | 205 kB  00:00:01     
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Package curl-7.29.0-51.el7.x86_64 already installed and latest version
Package policycoreutils-python-2.5-29.el7_6.1.x86_64 already installed and latest version
Package openssh-server-7.4p1-16.el7.x86_64 already installed and latest version
Package 2:postfix-2.10.1-7.el7.x86_64 already installed and latest version
Nothing to do

Add the Gitlab-CE 12.0.3 repository by executing the following command

[root@localhost ~]#  curl https://packages.gitlab.com/install/repositories/gitlab/gitlab-ce/script.rpm.sh | sudo bash
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100  6705    0  6705    0     0   2694      0 --:--:--  0:00:02 --:--:--  2693
Detected operating system as centos/7.
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Fingerprint: 1a4c 919d b987 d435 9396 38b9 1421 9a96 e15e 78f4
 From       : https://packages.gitlab.com/gitlab/gitlab-ce/gpgkey
Generating yum cache for gitlab_gitlab-ce-source...

The repository is setup! You can now install packages.

Now Install the Gitlab-CE 12.0.3 Version

[root@localhost ~]# yum install gitlab-ce -y
Loaded plugins: fastestmirror, langpacks
Loading mirror speeds from cached hostfile
 * base: mirrors.123host.vn
 * extras: mirror.ehost.vn
 * updates: mirrors.123host.vn
Resolving Dependencies
--> Running transaction check
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       *.                  *.
      ***                 ***
     *****               *****
    .******             *******
    ********            ********
   ,,,,,,,,,***********,,,,,,,,,
  ,,,,,,,,,,,*********,,,,,,,,,,,
  .,,,,,,,,,,,*******,,,,,,,,,,,,
      ,,,,,,,,,*****,,,,,,,,,.
         ,,,,,,,****,,,,,,
            .,,,***,,,,
                ,*,.
  


     _______ __  __          __
    / ____(_) /_/ /   ____ _/ /_
   / / __/ / __/ /   / __ `/ __ \
  / /_/ / / /_/ /___/ /_/ / /_/ /
  \____/_/\__/_____/\__,_/_.___/
  

Thank you for installing GitLab!
GitLab was unable to detect a valid hostname for your instance.
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  Verifying  : gitlab-ce-12.0.3-ce.0.el7.x86_64                                                                                          1/1 

Installed:
  gitlab-ce.x86_64 0:12.0.3-ce.0.el7                                                                                                         

Complete!

Check the service status of ssh and postfix as follows

[root@localhost ~]# systemctl status sshd postfix
● sshd.service - OpenSSH server daemon
   Loaded: loaded (/usr/lib/systemd/system/sshd.service; enabled; vendor preset: enabled)
   Active: active (running) since Sat 2019-03-09 15:36:44 IST; 4 months 13 days ago

● postfix.service - Postfix Mail Transport Agent
   Loaded: loaded (/usr/lib/systemd/system/postfix.service; enabled; vendor preset: disabled)
   Active: active (running) since Sat 2019-03-09 15:36:47 IST; 4 months 13 days ago

Reconfigure the Gitlab to power the OmniBus GitLab

[root@localhost ~]# gitlab-ctl reconfigure
Starting Chef Client, version 13.6.4
resolving cookbooks for run list: ["gitlab"]
Synchronizing Cookbooks:
  - postgresql (0.1.0)
  - redis (0.1.0)
  - registry (0.1.0)
  - gitlab (0.0.1)
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Recipe: <Dynamically Defined Resource>
  * service[alertmanager] action restart
    - restart service service[alertmanager]
  * service[postgres-exporter] action restart
    - restart service service[postgres-exporter]
  * service[grafana] action restart
    - restart service service[grafana]

Running handlers:
Running handlers complete
Chef Client finished, 510/1343 resources updated in 04 minutes 15 seconds
Gitlab Reconfigured!

Open your Browser and enter the IP address of your Gitlab machine to access the Gitlab Create a password for the Gitlab root account Enter the default username as root and password created Administrators Gitlab Account has been created.

With this, Installation of Gitlab Omnibus and Gitlab-CE 12.0.3 version is successful and comes to end.