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---
stage: Create
group: Source Code
info: "To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/product/ux/technical-writing/#assignments"
---
# Frequently used Git commands **(FREE ALL)**
The following commands are frequently used.
## Add another URL to a remote
Add another URL to a remote, so both remotes get updated on each push:
```shell
git remote set-url --add <remote_name> <remote_url>
```
## Refs and Log
### Use reflog to show the log of reference changes to HEAD
```shell
git reflog
```
### Check the Git history of a file
The basic command to check the Git history of a file:
```shell
git log <file>
```
If you get this error message:
```plaintext
fatal: ambiguous argument <file_name>: unknown revision or path not in the working tree.
Use '--' to separate paths from revisions, like this:
```
Use this to check the Git history of the file:
```shell
git log -- <file>
```
### Check the content of each change to a file
```shell
gitk <file>
```
### Check the content of each change to a file, follows it past file renames
```shell
gitk --follow <file>
```
## Debugging
### Use a custom SSH key for a Git command
```shell
GIT_SSH_COMMAND="ssh -i ~/.ssh/gitlabadmin" git <command>
```
### Debug cloning
With SSH:
```shell
GIT_SSH_COMMAND="ssh -vvv" git clone <git@url>
```
With HTTPS:
```shell
GIT_TRACE_PACKET=1 GIT_TRACE=2 GIT_CURL_VERBOSE=1 git clone <url>
```
### Debugging with Git embedded traces
Git includes a complete set of [traces for debugging Git commands](https://git-scm.com/book/en/v2/Git-Internals-Environment-Variables#_debugging), for example:
- `GIT_TRACE_PERFORMANCE=1`: enables tracing of performance data, showing how long each particular `git` invocation takes.
- `GIT_TRACE_SETUP=1`: enables tracing of what `git` is discovering about the repository and environment it's interacting with.
- `GIT_TRACE_PACKET=1`: enables packet-level tracing for network operations.
## Rebasing
### Rebase your branch onto the default
The `-i` flag stands for 'interactive'. Replace `<default-branch>` with the name
of your [default branch](../../user/project/repository/branches/default.md):
```shell
git rebase -i <default-branch>
```
### Continue the rebase if paused
```shell
git rebase --continue
```
### Use `git rerere`
To _reuse_ recorded solutions to the same problems when repeated:
```shell
git rerere
```
To enable `rerere` functionality:
```shell
git config --global rerere.enabled true
```
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|
