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Category5 TV Network
2025-06-20 11:21:53 -04:00
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# gitGK
# gitGK Git Appliance
gitGK is a completely self-contained git server with no cloud dependency. It's also private and secure... your code never leaves your system. Whether you're developing software, maintaining configs, or tracking changes to any file-based workflow, gitGK is the cleanest, most efficient way to bring Git versioning in-house.
![gitGK Logo](./img/gitGK.svg)
**gitGK** is a completely self-contained git server with no cloud dependency. It's also private and secure... your code never leaves your system. Whether you're developing software, maintaining configs, or tracking changes to any file-based workflow, gitGK is the cleanest, most efficient way to bring Git versioning in-house.
Based on Gitea and pre-configured to run on Debian Linux, gitGK was created by Robbie Ferguson at **Category5 TV Network** to provide a fast, open-source alternative to GitHub and GitLab with full control and zero vendor lock-in.
---
## 🚀 Features
- Fully automated install in minutes
- Secure-by-default configuration
- Gitea web UI (GitHub-style)
- MariaDB database backend
- NGINX reverse proxy
- Optional HTTPS via Let's Encrypt
- Automatic security updates enabled
---
## 🛠️ Installation
### Step 1: Download the Installer
```bash
wget https://raw.githubusercontent.com/Cat5TV/gitGK/refs/heads/main/install-gitgk.sh
chmod +x install-gitgk.sh
```
### Step 2: Run it
With a domain name:
```bash
sudo ./install-gitgk.sh git.example.com
```
Or just use your server's IP:
```bash
sudo ./install-gitgk.sh
```
This will install:
- Git
- Gitea (latest release)
- MariaDB
- NGINX (preconfigured for secure web UI access)
- Automatic security updates
It will also:
- Create system users
- Set up services with `systemd`
- Launch the Gitea web UI (default port: 3000 or as configured)
---
## 📂 Post-Install Info
- Web UI: Visit `http://yourdomain` or `http://your-server-ip`
- Admin account setup is completed via the browser
- MariaDB password saved to: `/root/gitea-db-password.txt`
- Repo data stored in: `/var/lib/gitea`
- Configuration in: `/etc/gitea/`
---
## 🔀 Step 3 (Optional): Move gitGK Data to External Disk
You can move all persistent gitGK data (repos + database) to a mounted external volume, such as a second VHD.
This step is for advanced users only, and the following commands are only examples.
### Step-by-step:
1. Mount your external storage to a path like `/mnt/gitgk-data`:
```bash
sudo mount /dev/sdb1 /mnt/gitgk-data
```
2. Run the migration script:
```bash
wget https://raw.githubusercontent.com/Cat5TV/gitGK/refs/heads/main/gitgk-datamove.sh
chmod +x gitgk-datamove.sh
sudo ./gitgk-datamove.sh /mnt/gitgk-data
```
This will:
- Stop services
- Move Gitea data and MariaDB data to the mounted volume
- Update the MariaDB config
- Replace original data folders with symlinks
- Restart services
⚠️ **IMPORTANT**
You must add the mount to `/etc/fstab` to ensure it is mounted again after reboot.
Failing to do so will prevent gitGK from starting after a reboot.
Example `/etc/fstab` entry:
```
/dev/sdb1 /mnt/gitgk-data ext4 defaults 0 2
```
---
## 🛡️ Security
- Unattended security updates are **enabled**
- MariaDB runs with a strong root password (generated during install)
- Gitea runs under a limited system user
- All services are managed with `systemd`
- A firewall is recommended (not configured by default)
- Automatic security updates are enabled
---
## 🔄 Backups
You can include this server in your existing `rdiff-backup` or snapshot routines.
Make sure to include:
- `/var/lib/gitea` (or your mounted data location)
- `/var/lib/mysql` (or your mounted data location)
- `/etc/gitea/` and `/etc/mysql/`
---
---
## 🌐 Update Host IP or Use a Domain
If you're deploying a pre-built image, or the IP of your gitGK server otherwise changes (such as when cloning a VM), or if you want to use a domain instead of an IP address, use the included utility script:
```bash
wget https://raw.githubusercontent.com/Cat5TV/gitGK/refs/heads/main/gitgk-host.sh
chmod +x gitgk-host.sh
sudo ./gitgk-host.sh
```
This script:
- Detects and replaces the old IP or hostname in both:
- `/etc/gitea/app.ini`
- `/etc/nginx/sites-available/gitea`
- Allows you to enter a domain name instead of using an IP
- Automatically restarts Gitea and reloads NGINX
This is especially useful if your VM gets a new IP or if you bind your gitGK appliance to DNS.
## 📜 License
Licensed under the **Apache License 2.0**
(c) 2025 Robbie Ferguson
**Category5 TV Network**

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#!/bin/bash
# gitgk-datamove.sh - Moves Gitea and MariaDB data to mounted external storage (e.g., VHD)
#
# Copyright 2025 Robbie Ferguson
# Category5 TV Network
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
set -e
# === Configurable Variables ===
TARGET_BASE="${1}"
if [[ -z "$TARGET_BASE" ]] || [[ ! -d "$TARGET_BASE" ]]; then
echo "Usage: sudo ./gitgk-datamove.sh /mnt/your-mounted-disk"
echo ""
echo "This script will move all gitGK data to the given target directory."
echo "Make sure the disk is mounted first. Example:"
echo ""
echo " sudo mount /dev/sdb1 /mnt/gitgk-data"
echo ""
echo "Then run:"
echo " sudo ./gitgk-datamove.sh /mnt/gitgk-data"
echo ""
echo "IMPORTANT: If you reboot your system without mounting this path again,"
echo " gitGK will FAIL TO START. You must add an fstab entry first."
echo ""
echo "Example fstab entry:"
echo " /dev/sdX1 /mnt/gitgk-data ext4 defaults 0 2"
echo ""
exit 1
fi
GITEA_SRC="/var/lib/gitea/data"
MYSQL_SRC="/var/lib/mysql"
GITEA_DEST="$TARGET_BASE/data"
MYSQL_DEST="$TARGET_BASE/mysql"
MYSQL_CONFIG="/etc/mysql/mariadb.conf.d/50-server.cnf"
# Ensure root
if [[ $EUID -ne 0 ]]; then
echo "This script must be run as root."
exit 1
fi
# === Determine what to move ===
echo ""
read -p "Would you like to move Gitea repository data to $TARGET_BASE? [y/N]: " MOVE_GITEA
read -p "Would you like to move MariaDB database data to $TARGET_BASE? [y/N]: " MOVE_MYSQL
echo "Stopping services..."
systemctl stop gitea || true
systemctl stop mariadb || true
# === Gitea Data ===
if [[ "$MOVE_GITEA" =~ ^[Yy]$ ]]; then
if mountpoint -q "$GITEA_SRC" || df "$GITEA_SRC" | grep -q "$TARGET_BASE"; then
echo "Gitea data already resides on the target mount. Skipping Gitea move."
else
echo "Moving Gitea data to $GITEA_DEST"
mkdir -p "$GITEA_DEST"
rsync -av "$GITEA_SRC/" "$GITEA_DEST/"
chown -R gitea:gitea "$GITEA_DEST"
mv "$GITEA_SRC" "${GITEA_SRC}.bak"
ln -s "$GITEA_DEST" "$GITEA_SRC"
fi
else
echo "Skipping Gitea data move."
fi
# === MariaDB Data ===
if [[ "$MOVE_MYSQL" =~ ^[Yy]$ ]]; then
echo "Moving MariaDB data to $MYSQL_DEST"
mkdir -p "$MYSQL_DEST"
rsync -av "$MYSQL_SRC/" "$MYSQL_DEST/"
chown -R mysql:mysql "$MYSQL_DEST"
cp "$MYSQL_CONFIG" "$MYSQL_CONFIG.bak"
sed -i "s|^datadir\s*=.*|datadir = $MYSQL_DEST|" "$MYSQL_CONFIG"
mv "$MYSQL_SRC" "${MYSQL_SRC}.bak"
ln -s "$MYSQL_DEST" "$MYSQL_SRC"
else
echo "Skipping MariaDB data move."
fi
# === Restart services ===
echo "Starting services..."
systemctl start mariadb
systemctl start gitea
echo ""
echo "Selected gitGK data has been moved to $TARGET_BASE (if requested)"
echo "IMPORTANT: Ensure this mount is present before reboot or services may fail."
echo "Example fstab line:"
echo " /dev/sdX1 $TARGET_BASE ext4 defaults 0 2"

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#!/bin/bash
# gitgk-host.sh - Fixes hardcoded IPs in gitGK configs after IP change or domain assignment
#
# Copyright 2025 Robbie Ferguson
# Category5 TV Network
#
# Licensed under the Apache License, Version 2.0
set -e
GITEA_CONFIG="/etc/gitea/app.ini"
NGINX_CONFIG="/etc/nginx/sites-available/gitea"
# Ask user if they want to use a domain
read -p "Would you like to use a domain name instead of your IP? [y/N]: " USE_DOMAIN
if [[ "$USE_DOMAIN" =~ ^[Yy]$ ]]; then
read -p "Enter your domain name (e.g., git.example.com): " NEW_HOST
else
# Get the current IP address (first non-loopback)
NEW_HOST=$(hostname -I | awk '{print $1}')
if [[ -z "$NEW_HOST" ]]; then
echo "Unable to determine the current IP address."
exit 1
fi
fi
echo "New hostname to configure: $NEW_HOST"
# Check if the new host is already in use
if grep -q "$NEW_HOST" "$GITEA_CONFIG" && grep -q "$NEW_HOST" "$NGINX_CONFIG"; then
echo "Config files already use this host. No changes needed."
exit 0
fi
# Detect old IP or host in the config files (excluding loopback and localhost)
OLD_HOST=$(grep -Eo '([0-9]{1,3}\.){3}[0-9]{1,3}' "$GITEA_CONFIG" | grep -v '127.0.0.1' | head -n 1)
if [[ -z "$OLD_HOST" ]]; then
OLD_HOST=$(grep -Eo '([a-zA-Z0-9.-]+\.[a-zA-Z]{2,6})' "$GITEA_CONFIG" | grep -v 'localhost' | head -n 1)
fi
if [[ -z "$OLD_HOST" ]]; then
echo "Could not detect the current configured host."
read -p "Please enter the host (IP or domain) to replace: " OLD_HOST
fi
echo "Replacing $OLD_HOST with $NEW_HOST in config files..."
# Replace in Gitea app.ini
sed -i "s/$OLD_HOST/$NEW_HOST/g" "$GITEA_CONFIG"
# Replace in NGINX config
sed -i "s/$OLD_HOST/$NEW_HOST/g" "$NGINX_CONFIG"
# Restart services
echo "Restarting Gitea and NGINX..."
systemctl restart gitea
systemctl reload nginx
echo "Hostname/IP successfully updated to: $NEW_HOST"

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<svg width="240" height="80" viewBox="0 0 240 80" xmlns="http://www.w3.org/2000/svg">
<style>
.git { fill: #1a1a1a; font-weight: bold; }
.gk { fill: #00cc66; font-weight: bold; }
text { font-family: 'Segoe UI', 'Arial', sans-serif; font-size: 64px; }
</style>
<text x="0" y="60" class="git">git</text>
<text x="100" y="60" class="gk">GK</text>
</svg>
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install-gitgk.sh Executable file
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#!/bin/bash
# install-gitgk.sh - Installer for gitGK Git Appliance
#
# Copyright 2025 Robbie Ferguson
# Category5 TV Network
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
set -e
# === Configuration ===
DOMAIN=${1:-} # Optional: pass domain as first argument
if [ -z "$DOMAIN" ]; then
DOMAIN=$(hostname -I | awk '{print $1}')
echo "No domain provided, using IP: $DOMAIN"
fi
GITEA_USER="gitea"
GITEA_DB="gitea"
GITEA_DB_USER="gitea"
GITEA_DB_PASS="$(openssl rand -base64 32)"
GITEA_VERSION="1.24.1"
# === Confirm root privileges ===
if [ "$(id -u)" -ne 0 ]; then
echo "Please run this script as root or with sudo."
exit 1
fi
echo "Updating system and installing required packages..."
apt update
DEBIAN_FRONTEND=noninteractive apt install -y \
git \
wget \
curl \
mariadb-server \
nginx \
certbot \
python3-certbot-nginx \
openssl \
unattended-upgrades \
apt-listchanges
echo "Enabling automatic security updates..."
dpkg-reconfigure -f noninteractive unattended-upgrades
# === Setup Gitea Users and Directories ===
echo "Creating system users..."
id git >/dev/null 2>&1 || adduser --system --group --home /home/git --shell /bin/bash git
id "$GITEA_USER" >/dev/null 2>&1 || adduser --system --group --home /home/gitea --shell /bin/bash "$GITEA_USER"
echo "Setting up gitGK directories..."
mkdir -p /var/lib/gitea/{custom,data,log}
mkdir -p /etc/gitea
chown -R $GITEA_USER:$GITEA_USER /var/lib/gitea
chown root:$GITEA_USER /etc/gitea
chmod -R 750 /var/lib/gitea
chmod 770 /etc/gitea
echo "Installing Gitea binary..."
echo "Downloading Gitea binary..."
GITEA_BINARY_URL="https://dl.gitea.com/gitea/1.24.1/gitea-${GITEA_VERSION}-linux-amd64"
wget -q --show-progress -O /usr/local/bin/gitea "$GITEA_BINARY_URL"
if [[ ! -x /usr/local/bin/gitea ]]; then
chmod +x /usr/local/bin/gitea
fi
if ! /usr/local/bin/gitea --version &>/dev/null; then
echo "Failed to install Gitea. Check your network connection or the URL."
exit 1
else
echo "Gitea installed: version $(/usr/local/bin/gitea --version)"
fi
echo "Creating Gitea systemd service..."
cat > /etc/systemd/system/gitea.service <<EOF
[Unit]
Description=Gitea (Git with a cup of tea)
After=network.target
[Service]
RestartSec=2s
Type=simple
User=$GITEA_USER
Group=$GITEA_USER
WorkingDirectory=/var/lib/gitea/
ExecStart=/usr/local/bin/gitea web --config /etc/gitea/app.ini
Restart=always
Environment=USER=$GITEA_USER HOME=/home/$GITEA_USER GITEA_WORK_DIR=/var/lib/gitea
[Install]
WantedBy=multi-user.target
EOF
echo "Starting Gitea service..."
systemctl daemon-reexec
systemctl enable --now gitea
# === MariaDB Setup ===
echo "Setting up MariaDB database..."
mysql -e "
CREATE DATABASE IF NOT EXISTS \`$GITEA_DB\` CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
CREATE USER IF NOT EXISTS '$GITEA_DB_USER'@'localhost' IDENTIFIED BY '$GITEA_DB_PASS';
GRANT ALL PRIVILEGES ON \`$GITEA_DB\`.* TO '$GITEA_DB_USER'@'localhost';
FLUSH PRIVILEGES;"
echo "$GITEA_DB_PASS" > /root/gitea-db-password.txt
chmod 600 /root/gitea-db-password.txt
echo "MariaDB credentials saved to /root/gitea-db-password.txt"
# === NGINX Reverse Proxy Setup ===
echo "Configuring NGINX reverse proxy..."
cat > /etc/nginx/sites-available/gitea <<EOF
server {
listen 80;
server_name $DOMAIN;
location / {
proxy_pass http://127.0.0.1:3000;
proxy_set_header Host \$host;
proxy_set_header X-Real-IP \$remote_addr;
proxy_set_header X-Forwarded-For \$proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Proto \$scheme;
}
}
EOF
ln -sf /etc/nginx/sites-available/gitea /etc/nginx/sites-enabled/gitea
nginx -t && systemctl reload nginx
# === Let's Encrypt Setup (optional, only for FQDN) ===
if [[ "$DOMAIN" != *[0-9]* ]]; then
echo "Attempting HTTPS setup with Let's Encrypt for domain: $DOMAIN"
certbot --non-interactive --nginx --agree-tos -d "$DOMAIN" -m admin@"$DOMAIN" || echo "Certbot failed; skipping SSL"
else
echo "Domain appears to be an IP address. Skipping SSL certificate setup."
fi
# === Final Notes ===
echo ""
echo "======================================================="
echo "gitGK Git Appliance Installed Successfully"
echo ""
echo "Web UI: http://$DOMAIN"
echo "Repo Path: /var/lib/gitea"
echo "MariaDB: User '$GITEA_DB_USER', database '$GITEA_DB'"
echo "Credentials saved to: /root/gitea-db-password.txt"
echo "Auto Security Updates: ENABLED"
echo ""
echo "Next Steps:"
echo "- Visit the web interface to complete the admin setup."
echo "- Consider configuring HTTPS if you used an IP."
echo "- Schedule backups of /etc/gitea, /var/lib/gitea, and the DB."
echo "======================================================="