the_information_nexus/OpenWrt.md at eb985158449ec0490c195ee956f1da49330d655c

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medusa eb98515844 Update docs/tech_docs/OpenWrt.md

2024-04-19 20:33:33 +00:00

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pct start 101

pct stop 101

pct destroy 101

pct console 101

pct reboot 101

Proxmox Container Creation

Use the following command to create a new container with reduced memory and storage:

pct create 101 /var/lib/vz/template/cache/openwrt-rootfs.tar.xz --unprivileged 1 --arch amd64 --ostype unmanaged --hostname openwrt-01 --tag network --storage local-lvm --memory 128 --swap 0 --rootfs local-lvm:1,size=512M \
--net0 name=eth0,bridge=vmbr0,firewall=1 \
--net1 name=eth1,bridge=vmbr1,firewall=1

OpenWRT Firewall Configuration

passwd

vi /etc/config/network

config interface 'loopback'
        option proto 'static'
        option ipaddr '127.0.0.1'
        option netmask '255.0.0.0'
        option device 'lo'

config interface 'wan'
        option proto 'dhcp'
        option device 'eth0'

config interface 'wan6'
        option proto 'dhcpv6'
        option device 'eth0'

config interface 'lan'
        option ifname 'eth1'
        option proto 'static'
        option device 'eth1'
        option ipaddr '10.0.0.1'
        option netmask '255.255.255.0'

130 dd

vi /etc/config/firewall

config rule
    option name 'Allow-SSH'
    option src 'wan'
    option proto 'tcp'
    option dest_port '22'
    option target 'ACCEPT'

config rule
    option name 'Allow-HTTPS'
    option src 'wan'
    option proto 'tcp'
    option dest_port '443'
    option target 'ACCEPT'

config rule
    option name 'Allow-HTTP'
    option src 'wan'
    option proto 'tcp'
    option dest_port '80'
    option target 'ACCEPT'

Applying the Configuration

After updating the configuration files:

Restart Network Services:
```
/etc/init.d/network restart
```
Reload Firewall Settings:
```
/etc/init.d/firewall restart
```

Installing Packages via CLI

Update the Package List: Before installing any new packages, it's a good practice to update the list of packages to ensure you are installing the latest versions available. You can do this by running:

opkg update

opkg install qemu-ga

poweroff

OpenWRT Container (ID: 100):

pct create 100 /var/lib/vz/template/cache/openwrt-rootfs.tar.xz --unprivileged 1 --arch amd64 --ostype unmanaged --hostname openwrt-0 --tag network --storage local-lvm --cores 2 --memory 128 --swap 0 --rootfs local-lvm:1,size=512M --net0 name=eth0,bridge=vmbr0,firewall=1 --net1 name=eth1,bridge=vmbr1,firewall=1

Kali Linux Container (ID: 200):

pct create 200 /var/lib/vz/template/cache/kali-default-rootfs.tar.xz --unprivileged 1 --arch amd64 --ostype debian --hostname kali-0 --tag tools --storage local-lvm --cores 2 --memory 1024 --swap 512 --rootfs local-lvm:1,size=8G --net0 name=eth0,bridge=vmbr1,firewall=1

Alpine Container (ID: 300):

pct create 300 /var/lib/vz/template/cache/alpine-default-rootfs.tar.xz --unprivileged 1 --arch amd64 --ostype alpine --hostname alpine-0 --tag docker --storage local-lvm --cores 2 --memory 1024 --swap 256 --rootfs local-lvm:1,size=8G --net0 name=eth0,bridge=vmbr1,firewall=1

For your standalone Proxmox setup, switching between static and dynamic IP configurations and managing virtual bridges are important tasks. Below, I'll provide a concise guide to handle these changes effectively and safely.

Switching from Static IP to DHCP:

Backup Configurations: Always backup configuration files before making changes (cp /etc/network/interfaces /etc/network/interfaces.bak).

cp /etc/network/interfaces /etc/network/interfaces.bak

Update Network Interface Configuration:
- Open /etc/network/interfaces in a text editor:
```
nano /etc/network/interfaces
```
- Change the vmbr0 configuration from static to DHCP:
```
auto vmbr0
iface vmbr0 inet dhcp
    bridge-ports enp3s0
    bridge-stp off
    bridge-fd 0
```
- Save the changes and exit the editor.
Restart Networking to Apply Changes:
- Apply the new network settings:
```
systemctl restart networking
```
Find the New DHCP-Assigned IP Address:
- After the network restarts, check the assigned IP:
```
ip addr show vmbr0
```
Update /etc/hosts with the New IP:
- Edit the /etc/hosts file to replace the old static IP with the new one:
```
nano /etc/hosts
```
- Modify the line with the old IP to the new one you just obtained:
```
192.168.86.62 whitebox.foxtrot.lan whitebox  # Old IP
192.168.x.x whitebox.foxtrot.lan whitebox    # New DHCP IP
```
- Save and exit.
Reserve IP in DHCP Server (Optional but Recommended):
- To ensure the IP does not change on reboots, reserve the IP in your DHCP server settings to always assign the same IP to the MAC address of vmbr0.

Creating a New Virtual Bridge (`vmbrX`):

Add a New Virtual Bridge Configuration:

Edit /etc/network/interfaces:
```
nano /etc/network/interfaces
```

Add a new bridge configuration at the end of the file:

auto vmbrX  # Replace X with the next available number
iface vmbrX inet manual
    bridge-ports none
    bridge-stp off
    bridge-fd 0

Save and exit the editor.

Activate the New Bridge:
- Restart the networking service to bring up the new bridge:
```
systemctl restart networking
```

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