You can

git remote set-url origin new.git.url/here

See git help remote. You also can edit .git/config and change the URLs there.

You're not in any danger of losing history unless you do something very silly (and if you're worried, just make a copy of your repo, since your repo is your history.)

git remote -v
# View existing remotes
# origin  https://github.com/user/repo.git (fetch)
# origin  https://github.com/user/repo.git (push)

git remote set-url origin https://github.com/user/repo2.git
# Change the 'origin' remote's URL

git remote -v
# Verify new remote URL
# origin  https://github.com/user/repo2.git (fetch)
# origin  https://github.com/user/repo2.git (push)

Changing a remote's URL

git remote set-url {name} {url}

git remote set-url origin https://github.com/myName/GitTest.git

Change Host for a Git Origin Server

from: http://pseudofish.com/blog/2010/06/28/change-host-for-a-git-origin-server/

Hopefully this isn’t something you need to do. The server that I’ve been using to collaborate on a few git projects with had the domain name expire. This meant finding a way of migrating the local repositories to get back in sync.

Update: Thanks to @mawolf for pointing out there is an easy way with recent git versions (post Feb, 2010):

git remote set-url origin ssh://newhost.com/usr/local/gitroot/myproject.git

See the man page for details.

If you’re on an older version, then try this:

As a caveat, this works only as it is the same server, just with different names.

Assuming that the new hostname is newhost.com, and the old one was oldhost.com, the change is quite simple.

Edit the .git/config file in your working directory. You should see something like:

[remote "origin"]
fetch = +refs/heads/*:refs/remotes/origin/*
url = ssh://oldhost.com/usr/local/gitroot/myproject.git

Change oldhost.com to newhost.com, save the file and you’re done.

From my limited testing (git pull origin; git push origin; gitx) everything seems in order. And yes, I know it is bad form to mess with git internals.

This is very easy and simple; just follow these instructions.

1. For adding or changing the remote origin:

   git remote set-url origin githubrepurl
   

2. To see which remote URL you have currently in this local repository:

   git remote show origin
   

Switching remote URLs

Open Terminal.

Ist Step:- Change the current working directory to your local project.

2nd Step:- List your existing remotes in order to get the name of the remote you want to change.

git remote -v

origin  https://github.com/USERNAME/REPOSITORY.git (fetch)

origin  https://github.com/USERNAME/REPOSITORY.git (push)

Change your remote's URL from HTTPS to SSH with the git remote set-url command.

3rd Step:- git remote set-url origin git@github.com:USERNAME/REPOSITORY.git

4th Step:- Now Verify that the remote URL has changed.

git remote -v Verify new remote URL

origin  git@github.com:USERNAME/REPOSITORY.git (fetch)
origin  git@github.com:USERNAME/REPOSITORY.git (push)

git remote set-url origin git://new.location

(alternatively, open .git/config, look for [remote "origin"], and edit the url = line.

You can check it worked by examining the remotes:

git remote -v
# origin  git://new.location (fetch)
# origin  git://new.location (push)

Next time you push, you'll have to specify the new upstream branch, e.g.:

git push -u origin master

See also: GitHub: Changing a remote's URL

As seen here,

$ git remote rm origin
$ git remote add origin git@github.com:aplikacjainfo/proj1.git
$ git config master.remote origin
$ git config master.merge refs/heads/master

It will work fine, you can try this

For SSH:

command: git remote set-url origin <ssh_url>

example: git remote set-url origin git@github.com:username/rep_name.git

For HTTPS:

command: git remote set-url origin <https_url>

example: git remote set-url origin https://github.com/username/REPOSITORY.git

1. remove origin using command on gitbash git remote rm origin
2. And now add new Origin using gitbash git remote add origin (Copy HTTP URL from your project repository in bit bucket) done

First you need to type this command to view existing remotes

git remote -v

Then second you need to type this command to Change the 'origin' remote's URL

git remote set-url origin <paste your GitHub URL>

Write the below command from your repo terminal:

git remote set-url origin git@github.com:<username>/<repo>.git

Refer this link for more details about changing the url in the remote.

To check git remote connection:

git remote -v

Now, set the local repository to remote git:

git remote set-url origin https://NewRepoLink.git

Now to make it upstream or push use following code:

git push --set-upstream origin master -f

if you cloned your local will automatically consist,

remote URL where it gets cloned.

you can check it using git remote -v

if you want to made change in it,

git remote set-url origin https://github.io/my_repo.git

here,

origin - your branch

if you want to overwrite existing branch you can still use it.. it will override your existing ... it will do,

git remote remove url
and 
git remote add origin url

for you...

Troubleshooting :

You may encounter these errors when trying to changing a remote. No such remote '[name]'

This error means that the remote you tried to change doesn't exist:

git remote set-url sofake https://github.com/octocat/Spoon-Knife fatal: No such remote 'sofake'

Check that you've correctly typed the remote name.

Reference : https://help.github.com/articles/changing-a-remote-s-url/

Navigate to the project root of the local repository and check for existing remotes:

git remote -v

If your repository is using SSH you will see something like:

> origin  git@github.com:USERNAME/REPOSITORY.git (fetch)
> origin  git@github.com:USERNAME/REPOSITORY.git (push)

And if your repository is using HTTPS you will see something like:

> origin  https://github.com/USERNAME/REPOSITORY.git (fetch)
> origin  https://github.com/USERNAME/REPOSITORY.git (push)

Changing the URL is done with git remote set-url. Depending on the output of git remote -v, you can change the URL in the following manner:

In case of SSH, you can change the URL from REPOSITORY.git to NEW_REPOSITORY.git like:

$ git remote set-url origin git@github.com:USERNAME/NEW_REPOSITORY.git

And in case of HTTPS, you can change the URL from REPOSITORY.git to NEW_REPOSITORY.git like:

$ git remote set-url origin https://github.com/USERNAME/NEW_REPOSITORY.git

NOTE: If you've changed your GitHub username, you can follow the same process as above to update the change in the username associated with your repository. You would only have to update the USERNAME in the git remote set-url command.

I worked:

git remote set-url origin <project>

For me, the accepted answer worked only in the case of fetch but not pull. I did the following to make it work for push as well.

git remote set-url --push origin new.git.url/here

So to update the fetch URL:

git remote set-url origin new.git.url/here

To update the pull URL:

git remote set-url --push origin new.git.url/here

In the Git Bash, enter the command:

git remote set-url origin https://NewRepoLink.git

Enter the Credentials

Done

You have a lot of ways to do that:

Console

git remote set-url origin [Here new url] 

Just be sure that you've opened it in a place where a repository is.

Config

It is placed in .git/config (same folder as repository)

[core]
    repositoryformatversion = 0
    filemode = false
    bare = false
    logallrefupdates = true
    symlinks = false
    ignorecase = true
[remote "origin"]
    url = [Here new url]  <------------------------------------
...

TortoiseGit

Then just edit URL.

SourceTree

1. Click on the "Settings" button on the toolbar to open the Repository Settings window.

2. Click "Add" to add a remote repository path to the repository. A "Remote details" window will open.

3. Enter a name for the remote path.

4. Enter the URL/Path for the remote repository

5. Enter the username for the hosting service for the remote repository.

6. Click 'OK' to add the remote path.

7. Back on the Repository Settings window, click 'OK'. The new remote path should be added on the repository now.

8. If you need to edit an already added remote path, just click the 'Edit' button. You should be directed to the "Remote details" window where you can edit the details (URL/Path/Host Type) of the remote path.

9. To remove a remote repository path, click the 'Remove' button

ref. Support

Change remote git URI to git@github.com rather than https://github.com

git remote set-url origin git@github.com:<username>/<repo>.git

Example:

git remote set-url origin git@github.com:Chetabahana/my_repo_name.git

The benefit is that you may do git push automatically when you use ssh-agent :

#!/bin/bash

# Check ssh connection
ssh-add -l &>/dev/null
[[ "$?" == 2 ]] && eval `ssh-agent`
ssh-add -l &>/dev/null
[[ "$?" == 1 ]] && expect $HOME/.ssh/agent

# Send git commands to push
git add . && git commit -m "your commit" && git push -u origin master

Put a script file $HOME/.ssh/agent to let it runs ssh-add using expect as below:

#!/usr/bin/expect -f
set HOME $env(HOME)
spawn ssh-add $HOME/.ssh/id_rsa
expect "Enter passphrase for $HOME/.ssh/id_rsa:"
send "<my_passphrase>\n";
expect "Identity added: $HOME/.ssh/id_rsa ($HOME/.ssh/id_rsa)"
interact

To change the remote upstream: git remote set-url origin <url>

To add more upstreams: git remote add newplace <url>

So you can choose where to work git push origin <branch> or git push newplace <branch>

You can change the url by editing the config file. Go to your project root:

nano .git/config

Then edit the url field and set your new url. Save the changes. You can verify the changes by using the command.

git remote -v 

An alternative approach is to rename the 'old' origin (in the example below I name it simply old-origin) and adding a new one. This might be the desired approach if you still want to be able to push to the old origin every now and then:

git remote rename origin old-origin
git remote add origin git@new-git-server.com>:<username>/<projectname>.git

And in case you need to push your local state to the new origin:

git push -u origin --all
git push -u origin --tags

If you're using TortoiseGit then follow the below steps:

1. Go to your local checkout folder and right click to go to TortoiseGit -> Settings
2. In the left pane choose Git -> Remote
3. In the right pane choose origin
4. Now change the URL text box value to where ever your new remote repository is

Your branch and all your local commits will remain intact and you can keep working as you were before.

Go to the folder/repo where you want to change and execute the below commands:

The below command will change the git fetch url of the repo.

git remote set-url origin <your new url>.git

The below command will change the git push url of the repo.

git remote set-url --push origin <your new url>.git

The below command to check whether the above changes reflected or not

git remote -v

Removing a remote

Use the git remote rm command to remove a remote URL from your repository.

    $ git remote -v
    # View current remotes
    > origin  https://github.com/OWNER/REPOSITORY.git (fetch)
    > origin  https://github.com/OWNER/REPOSITORY.git (push)
    > destination  https://github.com/FORKER/REPOSITORY.git (fetch)
    > destination  https://github.com/FORKER/REPOSITORY.git (push)

    $ git remote rm destination
    # Remove remote
    $ git remote -v
    # Verify it's gone
    > origin  https://github.com/OWNER/REPOSITORY.git (fetch)
    > origin  https://github.com/OWNER/REPOSITORY.git (push)

If you would like to set the username and password as well in the origin url, you can follow the below steps.

Exporting the password in a variable would avoid issues with special characters.

Steps:

export gituser='<Username>:<password>@'
git remote set-url origin https://${gituser}<gitlab_repo_url> 
git push origin <Branch Name>

check your privilege

in my case i need to check my username

i have two or three repository with seperate credentials.

problem is my permission i have two private git server and repositories

this second account is admin of that new repo and first one is my default user account and i should grant permission to first

(Only Windows PS) To change a server/protocol recursively in all local repos

Get-ChildItem -Directory -Recurse -Depth [Number] -Hidden -name | %{$_.replace("\.git","")} | %{git -C $_ remote set-url origin $(git -C $_ remote get-url origin).replace("[OLD SERVER]", "[NEW SERVER]")}