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1Fix the driver behind crashes, sound loss and screen glitches2Clear out junk files and repair common Windows errors3Scan for outdated or missing drivers - takes under a minuteOn a Linux VPS, the safest Git workflow is: verify the checkout, inspect remote changes with git fetch, integrate them using an explicit policy, and record the exact commit you deploy. The commands below cover daily updates, branches, commits, pushes, conflict recovery, tags, and rollback-oriented inspection without accidentally overwriting production code.
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1. Verify the VPS checkout before touching code
Run these commands from the application directory before every pull, merge, deployment, or cleanup operation:
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pwd
git status --short --branch
git branch --show-current
git remote -vpwd confirms that your shell is in the intended directory. git status --short --branch shows the current branch and any tracked or untracked changes in a compact form. git branch --show-current removes ambiguity when scripts or multiple checkouts are involved, while git remote -v verifies where fetches and pushes will go.
Do not continue until you understand every status line. A clean tree is easiest to update, but a dirty tree is not automatically wrong if the changes are deliberate and documented. Production-only configuration, generated files, and emergency edits should be handled according to your deployment policy rather than silently mixed into an upstream update.
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2. Clone a repository or configure its remote
Clone into the deployment path
git clone [email protected]:ORG/REPO.git /srv/app
cd /srv/appCloning creates a working checkout, configures the remote under the conventional name origin, and checks out the repository’s default branch. Replace the organization, repository, and path with values appropriate to your application.
Add or correct a remote in an existing checkout
git remote add origin [email protected]:ORG/REPO.git
git remote set-url origin [email protected]:ORG/REPO.git
git remote -vUse git remote add only when no remote with that name exists. If the URL is wrong, git remote set-url changes it without recloning. Verify the result immediately, especially on a server that contains several applications.
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| Remote type | Authentication | Operational strengths | Trade-offs on a VPS |
|---|---|---|---|
| SSH | Server-side key pair and repository permission | Well suited to unattended deployments; no interactive password prompt when the key is available | Requires key generation, agent or key-file handling, and correct repository access |
| HTTPS | Credential or token supplied through an approved credential mechanism | Often works where outbound SSH is blocked; may fit an existing enterprise credential policy | Unattended jobs need secure token storage and a non-interactive authentication design |
git:// |
None | Legacy read-only transport in some environments | No authentication; avoid it for sensitive operations and deployment remotes |
SSH access requires a key pair and permission to the repository. HTTPS can be preferable when a firewall blocks SSH, but never put a token directly in a remote URL that can be exposed in shell history, process listings, logs, or configuration backups.
3. Inspect branches and recent history
git branch -a
git switch main
git switch -c feature/name
git log --oneline --decorate --graph -n 20
git show --stat --oneline HEADgit branch -a lists local and remote-tracking branches. Switch to the branch your deployment process expects with git switch main (substitute the real production branch). Create a new local branch with git switch -c feature/name; this creates and checks out the branch in one operation.
Use the graph view before integrating unfamiliar work. The last 20 commits, shown by git log --oneline --decorate --graph -n 20, reveal whether the branch is ahead, behind, or diverged. git show --stat --oneline HEAD gives a compact summary of the commit currently checked out, useful when confirming what a deployment job is about to run.
4. Stage and commit only an intentional snapshot
Review, stage, and review again
git diff
git add path/to/file
git diff --cached
git commit -m "Describe the change"git diff displays unstaged edits. Stage only the paths that belong in this change with git add; avoid broad commands such as git add . when a checkout may contain secrets, build output, or unrelated operator edits.
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After staging, run git diff --cached. This is the exact snapshot the commit will contain. Check for credentials, private keys, environment files, debug output, accidental deletions, and generated artifacts before committing. Keep secrets in an environment file or secret manager excluded by .gitignore, not in the repository.
A commit records the reviewed snapshot in local history. Use a message that identifies the change and its intent, because operators may need to find or revert it months later.
5. Fetch first, then decide how to integrate
git fetch origin
git log --oneline HEAD..origin/main
git diff HEAD...origin/maingit fetch origin downloads objects and updates remote-tracking references such as origin/main; it does not merge those commits into your checked-out branch or modify your working files. That separation makes fetch the safer first step on a production VPS.
The range HEAD..origin/main lists commits present on the remote-tracking branch but not in your current branch. The three-dot diff HEAD...origin/main compares the branches from their common ancestor, helping you inspect the actual changes before choosing a merge or rebase.
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git pull --ff-only origin mainFast-forward-only mode updates the branch only when no local commit has diverged from the remote. If a merge would be required, the command stops instead of creating a commit or rewriting anything. This is a strong default for a deployment checkout that should mirror a tested remote branch.
git pull --no-rebase origin mainThe no-rebase form fetches and then merges. If local and remote work diverged, Git may create a merge commit. Use it only when the project’s history policy permits merge commits and you are prepared to resolve conflicts on the server or in a controlled release environment.
git pull --rebase origin mainRebase fetches the remote commits and replays local commits on top of them. It produces a linear-looking history but rewrites the IDs of the rebased local commits. Do not rebase commits that other people are already relying on unless the team explicitly allows that history rewrite.
You can make the policy explicit in configuration rather than relying on an implicit default:
git config pull.rebase false # merge
git config pull.rebase true # rebase| Policy | History rewritten? | Can create a merge commit? | Conflict handling | Production suitability |
|---|---|---|---|---|
--ff-only |
No | No | Stops before integration if branches diverged | Safest for a checkout that must match a tested upstream branch |
--no-rebase |
No existing commits rewritten | Yes, when necessary | Resolve conflicts during the merge, then commit | Appropriate when merge commits are part of the project policy |
--rebase |
Yes, local commits are replayed | No merge commit for the replay itself | Resolve each conflict while the rebase pauses | Use only when the team permits rebasing and the checkout is not a shared history source |
7. Push changes and establish upstream tracking
git push -u origin main
git push
git push origin feature/namegit push -u origin main sends the local main branch to origin and records origin/main as its upstream. Later, an argument-less git push can use that association. Push a branch explicitly with git push origin feature/name when it has no upstream or when you want to make the destination unmistakable.
On a VPS, avoid making a working checkout the place where unreviewed production changes are authored. A bare repository with a controlled deployment hook, or a pull-based deployment script that checks out a reviewed commit, provides a repeatable release path. Whichever design you use, run Git as the unprivileged account that owns the checkout and ensure filesystem ownership is consistent.
8. Fix a non-fast-forward push rejection
A non-fast-forward rejection means the remote branch contains commits that your local branch does not. Git refuses the push because accepting it as-is would discard the remote history.
-
Fetch the remote branch:
git fetch origin -
Compare both sides:
git log --oneline --left-right HEAD...origin/mainCommits marked on the left exist only locally; commits on the right exist only on the remote.
-
Integrate according to project policy:
git rebase origin/mainUse a merge instead if the repository requires merge-based history.
-
Resolve conflicts if Git pauses. Edit each conflicted file, remove the conflict markers, then stage the resolved paths:
git add <resolved-files> git rebase --continueFor a merge, finish with
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Run tests or deployment checks, then retry:
git push
Never answer a non-fast-forward rejection with an unreviewed force push to a shared production branch. A force push can remove commits other operators or release jobs still need; if it is ever necessary, use the team’s protected, reviewed procedure and communicate the exact target.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.9. Tag releases and remove remote branches carefully
git tag -a v1.2.0 -m "Release v1.2.0"
git push origin v1.2.0
git push origin --tagsAn annotated tag records a named release point and message. Push one tag when releasing a specific version, or push all local tags when that is an intentional repository operation. Confirm the commit being tagged with git show first; tags should identify an immutable release decision, not an unverified working tree.
git push origin :old-branchThe colon syntax deletes the named remote branch. Treat branch deletion as a controlled operation: verify the spelling, confirm that the branch is no longer needed, and check branch-protection or release rules before running it.
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10. Inspect changes and recover from mistakes
| Command | What it shows or does | Risk |
|---|---|---|
git diff |
Unstaged edits in tracked files | Read-only |
git diff --cached |
Exact staged snapshot for the next commit | Read-only |
git restore path/to/file |
Discards unstaged edits in the specified path | Destructive for those local edits |
git reflog |
Previous positions of HEAD, useful for locating commits after resets or rebases |
Read-only, but recovery still requires careful selection |
git reset --hard HEAD |
Discards all local tracked edits and resets files to the current commit | Destructive; uncommitted tracked work is lost |
git clean -nd |
Preview of untracked files and directories that cleaning would remove | Preview only; do not skip this check |
Run the preview and inspection commands before any destructive cleanup. A VPS checkout may contain production-only configuration or generated assets that are not recoverable from the remote repository. Preserve backups or deployment artifacts before resetting or cleaning when those files matter.
11. VPS operating practices that prevent avoidable outages
- Use a dedicated deployment account. Do not run routine Git operations as root. The account should own the checkout and have only the permissions needed to deploy.
- Keep credentials and secrets outside Git. Use environment files or a secret manager, exclude them with
.gitignore, and inspect the staged diff before every commit. - Verify branch and remote immediately before deployment. A correct command run in the wrong directory or against the wrong remote can deploy another application.
- Record the deployed revision. Run
git rev-parse --short HEADafter the checkout is updated and store that value in the deployment log, release metadata, or service banner. - Prefer repeatable deployment automation. A bare repository plus a reviewed hook, or a pull script that fetches and checks out a known commit, is safer than manually editing files and later overwriting them with a pull.
- Test before restarting services. Fetching and merging changes files; it does not prove that dependencies, migrations, configuration, or application startup will succeed.
12. A conservative update sequence for a production checkout
When the server is intended to mirror a remote branch and contains no local application work, this sequence makes each decision visible:
-
cd /srv/app pwd git status --short --branch git branch --show-current git remote -v -
git fetch origin git log --oneline HEAD..origin/main git diff HEAD...origin/main -
If the review is acceptable and the branch should never diverge locally, run:
git pull --ff-only origin main -
Run the application’s tests, dependency checks, migrations, or build steps required by your release procedure.
-
git rev-parse --short HEADRecord the resulting commit as the deployed revision.
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If fast-forward-only mode stops, do not bypass the warning. Investigate local commits with git log, decide whether they belong in the project, and integrate them through the reviewed merge or rebase process instead of forcing the production branch into an unknown state.
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