works with 1 or more simultaneously downloaded repositories
username@machineName ~/git/ops (master)
$ git pull
Already up-to-date.

username@machineName ~/git/ops (master)
$ git status
On branch master
Your branch is up-to-date with 'origin/master'.

Untracked files:
  (use "git add <file>..." to include in what will be committed)

        create_config/generate_config.pl

nothing added to commit but untracked files present (use "git add" to track)

username@machineName ~/git/ops (master)
$ cd create_config/

username@machineName ~/git/ops/create_config (master)
$ ls -laF
total 27
drwxr-xr-x    1 username   Administ     4096 Oct 24 15:00 ./
drwxr-xr-x    1 username   Administ     4096 Oct 24 14:57 ../
-rw-r--r--    1 username   Administ     3151 Oct 24 14:57 README
drwxr-xr-x    1 username   Administ     4096 Oct 24 14:57 cisco_asa/
-rwxr-xr-x    1 username   Administ    17088 Oct 24 15:00 generate_config.pl*
-rwxr-xr-x    1 username   Administ    17088 Oct 24 14:57 generate_config.pl*
drwxr-xr-x    1 username   Administ     4096 Oct 24 14:57 templates/

username@machineName ~/git/ops/create_config (master)
$ vi generate_config.pl

You may need to do this...
git pull origin master
git clone git.company.com:dns (pulls down repo 'dns')
git checkout <branch> (change to a branch)
git branch (check if you are using master or a branch)
git branch <branch> (create a branch)
git branch -d <branch> (delete a branch)
cd <dir>
git add .
git log (what have you done)
git diff HEAD (what's different from your last commit)
git diff --staged (look at diff on what you've staged/committed
git reset <filename> (unstage file)
git reset --hard origin (reset all the files to be from the repo)
git checkout -- <filename> (revert file to content before last commit for file)
git branch clean_up (get rid of multiple intermediate file versions)
git rm <filename> (remove local files and stage git repo removal of files)
git checkout master (or <branch>)
git merge <branch> (merge branch into master)
git stash (Stash the changes in a dirty working directory away, return directory to current uploaded git status)
git revert  revert commit before it is pushed

username@machineName ~/git/ops/create_config (master)
$ git commit -am "testing small change to generate_config.pl"
[master a89fe0a] testing small change to generate_config.pl
 1 file changed, 1 insertion(+), 1 deletion(-)

username@machineName ~/git/ops/create_config (master)
$git revert a89fe0a (roll back commit before push)

username@machineName ~/git/ops/create_config (master)
$ git push origin master

Nagios
username@username-machineName:/h/git/nagios/etc> grep <Site> *
(grep Atlanta *)

username@machineName:/h/git/nagios/etc> vi servicegroups.cfg
	search for site, put in entry in ro-isp-1 and ro-isp-2 line - ",ro-isp-1,<Site> ISP # / <ISP>"
	(,ro-isp-1,city2 ISP 1 / Orange)
username@machineName:/h/git/nagios/etc> vi services_network.cfg
	define service {
		use     EST-service
		host_name   VPN_Tunnels
		service_description city / xx.yyy.zz.a/22 -  datacenter
		check_command   check_ipsec_tunnel!bb.cc.ddd.ee!fff.ggg.hhh.iii
	}
username@machineName:/h/git/nagios/etc> vi services_unix.cfg
define service {
	use                     critical-24x7-service
	host_name               ro-isp-1
	service_description     city2 ISP 1 / Orange
	check_command           check_ro_isp_1!80.11.196.68!60!80
	}
define service {
	use                     critical-24x7-service
	host_name               ro-isp-2
	service_description     city2 ISP 2 / OVH
	check_command           check_ro_isp_2!109.190.86.25!60!80
	}
username@machineName:/h/git/nagios/etc> git commit -am "<ticket £> <change description>"
(git commit -am "corrected ISP addresses for city")

Getting Git/SSH to work
Make sure local repository has permissions that allow you to modify the files:
	[username@server .ssh]$ cd -
	/usr/local/company/asterisk
	[username@server asterisk]$ ls -l
	total 4
	drwxrwxr-x 2 username zipgroup500 4096 Nov  3 14:18 etc
	[username@server asterisk]$ ls -l etc/
	total 32
	-rw-rw-r-- 1 username operations  2071 Nov  3 14:11 server1.conf
	-rw-rw-r-- 1 username operations  2221 Nov  3 14:11 server2.conf
	-rw-rw-r-- 1 username operations  2070 Nov  3 14:11 server3.conf
	-rw-rw-r-- 1 username operations  2099 Nov  3 14:11 server4.conf

Make sure ~/.ssh/ directory includes, with something like the contents noted:
	config
		Host git.company.com
		User gitolite
		IdentityFile ~/.ssh/nopass_id_rsa
	nopass_id_rsa
		(generated private key)