Git installation on CentOS

Git is a free and open source, fast and distributed version control system (VCS), which by design is based on speed, efficient performance and data integrity to support small-scale to extensive software development projects.

Git is a software repository that allows you to keep a track of your software changes, revert to previous version and create another version of files and directories.

Git is written in C, with a mix of Perl and a variety of shell scripts, it’s primarily intended to run on the Linux kernel and has a number of remarkable features as listed below:

⇰ Easy to learn
⇰ It is fast and most of its operations are carried out locally, in addition, this offers it a tremendous speed on centralized systems that need to communicate with remote servers.
⇰ Highly efficient
⇰ Supports data integrity checks
⇰ Enables cheap local branching
⇰ Offers a convenient staging area
⇰ It also maintains multiple work-flows together with many others

In this how-to guide, we shall move through the necessary steps of installing Git on CentOS/RHEL 7/6 and Fedora 20-24 Linux distributions along with how to configure Git so that you can start participating right away..

Step 1.

Open /launch your centos machine

a. Click on not listed?

Step 2:

Type ‘root’ in the Text box bellow to UserName

a. Then press enter button or click on next button

Step 3:

here you have to enter the root user password .

a. After giving the root user password .. please wait for some time

Now your machine is ready to work.

Step 4:

Now click on mouse right button

Then select open terminal ( listed in bottom in the menu)

Now you are in terminal

Step 5:

[root@testserver ~]# git --version

bash: git: command not found...

Note: if you are using CentOS 7 or higher version..! 1.8 Version will come by default, No problems with that leave it continue with fallowing steps. Finally we can remove the older version.

Step 6:

[root@testserver ~]#

Before you begin, first you need to install required software dependencies from the default repositories, along with the utilities that needed to build a binary from source:

[root@testserver ~]# yum install curl-devel expat-devel gettext-devel openssl-devel zlib-devel –y

Step 7:

[root@testserver ~]# yum install gcc perl-ExtUtils-MakeMaker –y

If not installed already..! Install now by fallowing above command

[root@testserver ~]# cd /usr/src

[root@testserver src]# ls –l

total 0

drwxr-xr-x. 2 root root 6 Apr 11 2018 debug

drwxr-xr-x. 4 root root 71 Jun 12 20:40 kernels

[root@testserver src]#

Step 8:

After you have installed required software dependencies, go to the official Git release page and grab the latest version and compile it from source using following series of command:

For download git open source software, open the bellow website

http://clouddevops.in/git_releases.html

click on bellow link from our site. https://mirrors.edge.kernel.org/pub/software/scm/git/git-2.27.0.tar.gz or

you can download from git official website

https://git-scm.com/downloads

click on bellow link from our site.

https://mirrors.edge.kernel.org/pub/software/scm/git/git-2.27.0.tar.gz

[root@testserver src]# pwd

/usr/src

[root@testserver src]#

[root@testserver src]# wget https://mirrors.edge.kernel.org/pub/software/scm/git/git-2.27.0.tar.gz

[root@testserver src]# ll

total 9172

drwxr-xr-x. 2 root root 6 Apr 11 2018 debug

-rw-r--r--. 1 root root 9391548 Jun 1 22:03 git-2.27.0.tar.gzv

[root@testserver src]#

[root@testserver src]# ll

total 9172

drwxr-xr-x. 2 root root 6 Apr 11 2018 debug

-rw-r--r--. 1 root root 9391548 Jun 1 22:03 git-2.27.0.tar.gz

drwxr-xr-x. 4 root root 71 Jun 12 20:40 kernels

[root@testserver src]#

Step 9:

Extract the tar package by fallowing bellow command

[root@testserver src]# tar -xvf git-2.27.0.tar.gz

git-2.27.0/

git-2.27.0/.cirrus.yml

git-2.27.0/.clang-format

git-2.27.0/.editorconfig

git-2.27.0/.gitattributes

git-2.27.0/.github/

git-2.27.0/.github/CONTRIBUTING.md

git-2.27.0/.github/PULL_REQUEST_TEMPLATE.md

git-2.27.0/.github/workflows/

git-2.27.0/.github/workflows/main.yml

git-2.27.0/.gitignore

git-2.27.0/.gitmodules

git-2.27.0/.mailmap

git-2.27.0/.travis.yml

git-2.27.0/.tsan-suppressions

git-2.27.0/CODE_OF_CONDUCT.md

git-2.27.0/COPYING

git-2.27.0/Documentation/

git-2.27.0/Documentation/.gitattributes.

………………………………………………………….

……………………………………………………………….

……………………………………………………….

git-2.27.0/xdiff/xinclude.h

git-2.27.0/xdiff/xmacros.h

git-2.27.0/xdiff/xmerge.c

git-2.27.0/xdiff/xpatience.c

git-2.27.0/xdiff/xprepare.c

git-2.27.0/xdiff/xprepare.h

git-2.27.0/xdiff/xtypes.h

git-2.27.0/xdiff/xutils.c

git-2.27.0/xdiff/xutils.h

git-2.27.0/zlib.c

git-2.27.0/configure

git-2.27.0/version

git-2.27.0/git-gui/version

[root@testserver src]#

[root@testserver src]# ll

total 9192

drwxr-xr-x. 2 root root 6 Apr 11 2018 debug

drwxrwxr-x. 27 root root 16384 Jun 1 21:19 git-2.27.0

-rw-r--r--. 1 root root 9391548 Jun 1 22:03 git-2.27.0.tar.gz

drwxr-xr-x. 4 root root 71 Jun 12 20:40 kernels

[root@testserver src]#

[root@testserver src]# ll

total 9192

drwxr-xr-x. 2 root root 6 Apr 11 2018 debug

drwxrwxr-x. 27 root root 16384 Jun 1 21:19 git-2.27.0

-rw-r--r--. 1 root root 9391548 Jun 1 22:03 git-2.27.0.tar.gz

drwxr-xr-x. 4 root root 71 Jun 12 20:40 kernels

Step 10:

Enter into the git-2.27.0 folder

[root@testserver src]# cd git-2.27.0/

You can check present working directory by applying pwd command.

[root@testserver ~]# pwd

/usr/src/git-2.27.0

[root@testserver ~]#

Step 11:

Compile the source files

[root@testserver ~]# make prefix=/usr/local/git all

GIT_VERSION = 2.27.0

* new build flags

CC fuzz-commit-graph.o

CC fuzz-pack-headers.o

CC fuzz-pack-idx.o

CC bugreport.o

* new link flags

CC common-main.o

CC abspath.o

CC add-interactive.o

CC add-patch.o

CC advice.o

CC alias.o

CC alloc.o

CC apply.o

CC archive-tar.o

CC archive-zip.o

CC archive.o

CC argv-array.o

* new prefix flags

CC attr.o

CC base85.o

CC bisect.o

CC blame.o

CC blob.o

CC bloom.o

CC branch.o

CC bulk-checkin.o

CC bundle.o

CC cache-tree.o

CC chdir-notify.o

CC checkout.o

CC color.o

CC ewah/ewah_rlw.o

CC exec-cmd.o

CC fetch-negotiator.o

…………………………………………

…………………………………………….

……………………………………

CC t/helper/test-xml-encode.o

LINK t/helper/test-tool

GEN bin-wrappers/git

GEN bin-wrappers/git-receive-pack GEN bin-wrappers/git-shell

GEN bin-wrappers/git-upload-archive

GEN bin-wrappers/git-upload-pack

GEN bin-wrappers/git-cvsserver

GEN bin-wrappers/test-fake-ssh

GEN bin-wrappers/test-line-buffer

GEN bin-wrappers/test-svn-fe

GEN bin-wrappers/test-tool

[root@testserver ~]#

Step 12:

Install the git software now by fallowing bellow command.

[root@testserver ~]# make prefix=/usr/local/git install

SUBDIR git-gui

SUBDIR gitk-git

SUBDIR templates

install -d -m 755 '/usr/local/git/bin'

install -d -m 755 '/usr/local/git/libexec/git-core'

install git-bugreport git-credential-store git-daemon git-fast-import git-http-backend git-

imap-send git-remote-testsvn git-sh-i18n--envsubst git-shell git-http-fetch git-http-push git-

credential-cache git-credential-cache--daemon git-remote-http git-remote-https git-remote-ftp

git-remote-ftps git-bisect git-difftool--helper git-filter-branch git-merge-octopus git-merge-

one-file git-merge-resolve git-mergetool git-quiltimport git-request-pull git-submodule git-

web--browse git-add--interactive git-archimport git-cvsexportcommit git-cvsimport git-

cvsserver git-send-email git-svn git-p4 git-instaweb '/usr/local/git/libexec/git-core'

install -m 644 git-mergetool--lib git-parse-remote git-rebase--preserve-merges git-sh-i18n

git-sh-setup '/usr/local/git/libexec/git-core'

install git git-receive-pack git-shell git-upload-archive git-upload-pack git-cvsserver '/usr/local/git/bin'

make -C templates DESTDIR='' install

make[1]: Entering directory `/usr/src/git-2.27.0/templates'

install -d -m 755 '/usr/local/git/share/git-core/templates'

………………………………………………

………………………………………

……………………………………

…………………………………………………

ln -s "git-remote-http" "$execdir/$p" || \

{ test -z "" && \

ln "$execdir/git-remote-http" "$execdir/$p" 2>/dev/null || \

ln -s "git-remote-http" "$execdir/$p" 2>/dev/null || \

cp "$execdir/git-remote-http" "$execdir/$p" || exit; } \

done && \

./check_bindir "z$bindir" "z$execdir" "$bindir/git-add"

[root@testserver ~]#

Step 13:

Setting the git path

[root@testserver ~]# vim ~/.bashrc

# .bashrc

# User specific aliases and functions

alias rm='rm -i'

alias cp='cp -i'

alias mv='mv -i'

# Source global definitions

if [ -f /etc/bashrc ]; then

. /etc/bashrc

export PATH=$PATH:/usr/local/git/bin

Step

Save and Exit by fallowing command from the vi editor

:wq

Step 14:

[root@testserver ~]# source ~/.bashrc

bashrc or source ~/. bashrc will preserve your current shell: Except for the modifications that reloading ~/. bashrc into the current shell (sourcing) makes, the current shell and its state are preserved, which includes environment variables, shell variables, shell options, shell functions, and command history.

[root@testserver ~]# source ~/.bashrc

Step 15:

[root@testserver ~]# git --version

git version 1.8.3.1

[root@testserver ~]#

Step 16:

Remove the older version by fallowing bellow command.

[root@testserver ~]# yum remove git –y

[root@testserver ~]# yum remove git -y

Loaded plugins: fastestmirror, langpacks

Resolving Dependencies

--> Running transaction check

---> Package git.x86_64 0:1.8.3.1-23.el7_8 will be erased

--> Processing Dependency: git = 1.8.3.1-23.el7_8 for package: perl-Git-1.8.3.1-23.el7_8.noarch

--> Processing Dependency: git for package: gettext-devel-0.19.8.1-3.el7.x86_64

--> Running transaction check

---> Package gettext-devel.x86_64 0:0.19.8.1-3.el7 will be erased

---> Package perl-Git.noarch 0:1.8.3.1-23.el7_8 will be erased

--> Finished Dependency Resolution

Dependencies Resolved

==========================================================================================================

Package Arch Version Repository Size

==========================================================================================================

Removing:

git x86_64 1.8.3.1-23.el7_8 @updates 22 M

Removing for dependencies:

gettext-devel x86_64 0.19.8.1-3.el7 @base 1.4 M

perl-Git noarch 1.8.3.1-23.el7_8 @updates 57 k

Transaction Summary

===========================================================================================================

Remove 1 Package (+2 Dependent packages)

Installed size: 24 M

Downloading packages:

Running transaction check

Running transaction test

Transaction test succeeded

Running transaction

Erasing : gettext-devel-0.19.8.1-3.el7.x86_64 1/3

Erasing : perl-Git-1.8.3.1-23.el7_8.noarch 2/3

Erasing : git-1.8.3.1-23.el7_8.x86_64 3/3

Verifying : git-1.8.3.1-23.el7_8.x86_64 1/3

Verifying : perl-Git-1.8.3.1-23.el7_8.noarch 2/3

Verifying : gettext-devel-0.19.8.1-3.el7.x86_64 3/3

Removed:

git.x86_64 0:1.8.3.1-23.el7_8

Dependency Removed:

gettext-devel.x86_64 0:0.19.8.1-3.el7

perl-Git.noarch 0:1.8.3.1-23.el7_8

Complete!

[root@testserver ~]#

Step 17:

[root@testserver ~]# hash –r

hash –r command used to Forget all remembered locations, and determine them right now. If you run a command and bash can't find it (because you made a change to your system, for example), run hash -r and try the command again.

root@testserver git-2.27.0]# hash -r

[root@testserver ~]#

Step 18:

[root@testserver ~]# git --version

git version 2.27.0

[root@testserver ~]#

Step 19:

[root@testserver ~]# git --version

git version 2.27.0

[root@testserver ~]#

The DevOps seminar will help you to learn DevOps from scracth to deep knowledge of various DevOps tools such as fallowing List.

Linux, Git, Jenkins, Maven, Apache Tomcat, Nexus, Ansible, Chef, Docker, Nagios, Kubernetes.

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