🖥️ Autoinstall Configuration Summary
This document resume the Autoinstall predefined settings.
🌍 System Configuration
- Keyboard:
fr(French, Latin9 variant) - Locale:
en_US.UTF-8 - Timezone:
Europe/Paris - Installation Source:
- Default:
ubuntu-server
- Default:
- APT:
- Offline fallback ✅ Enabled
- Automatic updates ❌ Disabled
🔒 User & Security
👤 User Account
- Username:
athea - Hostname:
<node name> - Password: Set (SHA-512 hashed)
- SSH:
- Password auth: ❌ Disabled
- Key-based auth: ✅ Enabled
- Preloaded SSH key for
athea
- Sudo Access:
- Passwordless sudo for
atheavia/etc/sudoers.d/athea
- Passwordless sudo for
🛡️ Security Hardening
-
Installs:
openssh-serverapparmor-utilslibpam-pwquality(password policies)systemd-journal-remotekosmos-hardening(security hardening)- ❌ Ubuntu Pro drivers disabled
- ❌ Multimedia codecs disabled
-
Automatic Updates Disabled:
- Modifies
20auto-upgradesto disable periodic checks.
- Modifies
🌐 Network Configuration Details
🔗 Physical Interfaces
| Interface | Purpose | MTU | Notes |
|---|---|---|---|
admin | Management | 1500 | Fixed IP |
bond0-slave1 | Bond member | 9000 | LACP enabled |
bond0-slave2 | Bond member | 9000 | LACP enabled |
bond1-slave1 | Bond member | 9000 | LACP enabled |
bond1-slave2 | Bond member | 9000 | LACP enabled |
⚡ Bonds (LACP 802.3ad)
- bond0 & bond1:
- Mode:
802.3ad - LACP rate:
fast - Hash policy:
layer2+3 - MTU:
9000(jumbo frames)
- Mode:
🏷️ VLANs
| VLAN | Parent | ID | MTU | Purpose |
|---|---|---|---|---|
admin.510 | admin | 510 | 1500 | Management VLAN |
admin.515 | admin | 515 | 1500 | |
bond0.535 | bond0 | 535 | 9000 | Storage network |
bond0.600 | bond0 | 600 | 9000 | |
bond1.540 | bond1 | 540 | 9000 | Replication network |
bond1.550 | bond1 | 550 | 9000 |
🌉 Bridges
| Bridge | Vlan | IP | MTU |
|---|---|---|---|
br-technique | bond0.535 | 10.0.0.0/16 | 9000 |
br-storage | bond1.540 | 192.168.20.0/24 | 9000 |
br-repl | bond1.550 | 192.168.30.0/24 | 9000 |
💾 Disk Partitioning (GPT/UEFI)
| Partition | Size | Filesystem | Mount Point | Purpose |
|---|---|---|---|---|
| 1 | 1GB | FAT32 | /boot/efi | EFI System Partition |
| 2 | 24GB | ext4 | /home | User home directories |
| 3 | 32GB | ext4 | / | Root filesystem |
| 4 | 24GB | ext4 | /tmp | Temporary files |
| 5 | 32GB | ext4 | /var/log | System logs |
| 6 | Remaining | ext4 | /var | Variable data |
Notes:
- Uses smallest available disk (matched by size).
- Wipes disk with superblock-recursive.
- Partition table: GPT (for UEFI compatibility).
⚙️ Post-Installation (late-commands)
Sets up sudo for athea
⏱️ NTP Configuration
🔌 Final Step
- Reboots after installation.