= SSH Login =

* Check Firewall
*# Navigator VPC Network -> Firewall
*# Check VPC firewall rules
* Set default region
* SSH <syntaxhighlight lang="sh">gcloud compute ssh <vm-instance-name></syntaxhighlight>

= Config default SSH Key =

A new key pair will be generated, using existed key is not recommended.

'''The existed private key would be overwritten.'''

bash

<syntaxhighlight lang="sh">
# Setup
gcloud compute config-ssh \
--ssh-config-file=~/.ssh/config.09-xxx/config \
--ssh-key-file=~/.ssh/config.09-xxx/private_key.pem

# Remove
gcloud compute config-ssh \
--ssh-config-file=~/.ssh/config.09-xxx/config \
--ssh-key-file=~/.ssh/config.09-xxx/private_key.pem \
--remove
</syntaxhighlight>

Power Shell

<syntaxhighlight lang="powershell">
# Setup
gcloud compute config-ssh `
--ssh-config-file=~/.ssh/config.09-xxx/config `
--ssh-key-file=~/.ssh/config.09-xxx/private_key.pem

# Remove
gcloud compute config-ssh `
--ssh-config-file=~/.ssh/config.09-xxx/config `
--ssh-key-file=~/.ssh/config.09-xxx/private_key.pem `
--remove
</syntaxhighlight>

= Install Docker =

The docker package is not in apt by default. Ask claude first is good.

Gcloud

2025-11-13T02:22:02Z

2025-10-16T13:57:42Z

Tacoball: /* Maintainance */

== Configuration ==

<syntaxhighlight lang="bash">
git config --global core.editor "vim"
git config --global user.name "name"
git config --global user.email "name@mydomain.com"
git config --local user.name "name"
git config --local user.email "name@mydomain.com"
</syntaxhighlight>

== Maintainance ==

{| class="wikitable"
! Purpose
! Command
|-
| Delete unused branches
| <nowiki>git branch -l feature/* | xargs git branch -d</nowiki>
|-
|
| <nowiki>git branch -l feature/* | xargs git branch -D</nowiki>
|-
|
| <nowiki>git branch -l feature/* bugfix/* hotfix/* | xargs git branch -D</nowiki>
|-
| Check why a file was ignored
| git check-ignore -v config.php
|-
| Clone a specific branch
| git clone -b staging project project_staging
|-
|
| git --prune
|}

== Undo ==

<pre>
# Unstage a file
git reset -- src/sequelize-eparking/models/Fee.js

# Latest commit > stage
git reset HEAD^
git reset HEAD~1 # if symbol ^ escaped
git checkout upstream/develop composer.lock
</pre>

== Statistics ==

<syntaxhighlight lang="bash">
# stat for single commit
git diff 5741a4^..5741a4 --stat
git diff 5741a4^..5741a4 --shortstat

# Get commits count of someone.
git log --author='Me' --since='2019-01-01' --before='2019-12-31' | grep '^commit'
git log --author='Me' --since='2019-01-01' --before='2019-12-31' | grep '^commit' | wc -l
git diff 980b^ 980b | grep '^+[^+]' | wc -l
git diff 980b^ 980b | grep '^-[^-]' | wc -l
git diff 980b^ 980b | grep '^+++' | wc -l
</syntaxhighlight>

== Unknown ==

<syntaxhighlight lang="bash">
# See local and remote branches
git branch -v -a
master c313bf9 ...
remotes/origin/static-files-2 be32085 ...
remotes/origin/static-files-3 e9021d8 ...
...

# Checkout remote branch.
git checkout -b static-files-3 remotes/origin/static-files-3
</syntaxhighlight>

https://docs.github.com/en/github/extending-github/git-automation-with-oauth-tokens