Fixes | Public BIT Wiki - linux:debian

LXC correct domain for Postfix

Zyzonix (zyzonix@undisclosed.example.com) — 2025-02-22T14:41:19+00:00

LXC correct domain for Postfix When using postfix within a Proxmox Container (LXC), Postfix might source a wrong domain and just appends .localdomain to the sender/receiver address. To change that edit /etc/postfix/main.cf and change the line mydomain =

Setup APT Repository (Sonatype Nexus3) - created

Zyzonix (zyzonix@undisclosed.example.com) — 2025-02-11T07:17:54+00:00

Setup APT Repository (Sonatype Nexus3) An alternative solution to host a repository for APT which is more easy to maintain is using Sonatype's Nexus3 Repository Manager. Firstly install Sonatype's Nexus3: Installation * Download Debian 12 Server from here:

Resize/Grow LVM-volume

Zyzonix (zyzonix@undisclosed.example.com) — 2025-02-08T13:53:21+00:00

Resize/Grow LVM-volume Firstly show all available LVMs: lvdisplay The output might look like this: --- Logical volume --- LV Path /dev/pve/swap LV Name swap VG Name pve LV UUID U1Mc2n-WRuL-P8Li-yIb6-AXN8-ueDd-oYfwOu LV Write Access read/write LV Creation host, time proxmox, 2023-08-19 09:49:14 +0200 LV Status available # open 2 LV Size 8.00 GiB Current LE …

Set Static IP Address / Static route - [Static route for LXC]

Zyzonix (zyzonix@undisclosed.example.com) — 2024-12-27T13:57:53+00:00

Set Static IP Address / Static route ifupdown2 First install the ifupdown2 package: sudo apt install ifupdown2 It will generate the file /etc/network/interfaces if it doesn't exist. Then edit /etc/network/interfaces and add the following: auto eth0 iface eth0 inet static address 172.16.1.20/24 gateway 172.16.1.1 nameserver 172.16.1.1

- ↷ Page name changed from linux:debian:static-ip-address to linux:debian:static-ip-address-route

Zyzonix (zyzonix@undisclosed.example.com) — 2024-12-27T13:56:31+00:00

Edit DNS server - ↷ Page moved from linux:linux-tutorials:change-dns-server to linux:debian:change-dns-server

Zyzonix (zyzonix@undisclosed.example.com) — 2024-12-25T13:12:33+00:00

Edit DNS server Tested on Debian 12 There are several ways to set a DNS server in Debian. One way is using /etc/resolv.conf. Therefore just add the following line with the DNS server you want to add to the file: nameserver Sourced from

Debian / Systemd

Zyzonix (zyzonix@undisclosed.example.com) — 2024-12-25T13:08:35+00:00

Debian / Systemd This namespace has the following content: debian index

Run command with systemd periodically - ↷ Page moved from linux:linux-tutorials:systemd-command-periodically to linux:debian:systemd-command-periodically

Zyzonix (zyzonix@undisclosed.example.com) — 2024-12-25T13:08:13+00:00

Run command with systemd periodically If you wish to run a command periodically with systemd create a service with the following content: [Unit] Description=Autorun command After=network.target network-online.target [Service] RestartSec=30 Restart=always User= ExecStart=/command/to/be/run [Install] WantedBy=multi-user.target

OpenVPN in LXC

Zyzonix (zyzonix@undisclosed.example.com) — 2024-04-10T17:40:55+00:00

OpenVPN in LXC This guide quickly describes how to connect a Linux container as VPN client with OpenVPN. There are some settings on the host's side required, because OpenVPN requires a specific tun interface. * Edit the config of the container that should get VPN functionalities

nmcli (NetworkManager CLI)

Zyzonix (zyzonix@undisclosed.example.com) — 2024-04-09T20:25:14+00:00

nmcli (NetworkManager CLI) Quick Commands View current connections: nmcli connection show View device information from all devices: nmcli device show Add new interface with static IP First get the name of the interface: ip a Then add a new connection:

Remove Proxmox subscription badge - [Automatic way]

BIT (bit@undisclosed.example.com) — 2024-03-13T09:41:14+00:00

Remove Proxmox subscription badge To remove the subcription badge that is displayed after logging in into Proxmox VE or Proxmox BS, you can either manually edit the proxmoxlib.js under /usr/share/javascript/proxmox-widget-toolkit or install our script.

Backup Server

Zyzonix (zyzonix@undisclosed.example.com) — 2024-03-09T18:20:15+00:00

Backup Server Currently under construction/development...

Virtual Environment - [Remove Nodes from Cluster without quorum]

Zyzonix (zyzonix@undisclosed.example.com) — 2023-12-29T19:23:36+00:00

Virtual Environment Remove Nodes from Cluster without Quorum Firstly get an overview about all active nodes (nodes to be removed must be running), therefore run the following command on a node that should stay in the cluster: pvecm nodes Then shut down the nodes to be removed and delete the node with this command:

postfix_config_host_file.png - created

Zyzonix (zyzonix@undisclosed.example.com) — 2023-06-30T07:10:02+00:00

postfix_config_systemmail.png - created

Zyzonix (zyzonix@undisclosed.example.com) — 2023-06-30T07:05:26+00:00

postfix_config_internet_site.png - created

Zyzonix (zyzonix@undisclosed.example.com) — 2023-06-30T07:03:15+00:00