KPTree Wiki

TC - Traffic Control

Anonymous (anonymous@undisclosed.example.com) — 2024-06-23T00:14:23+00:00

linux router tc traffic control TC - Traffic Control The Linux kernel's network stack has network traffic control and shaping features. The iproute2 package installs the tc command to control these via the command line. Queuing controls how data is sent; receiving data is much more reactive with fewer network-oriented controls. However, since TCP/IP packets are sent using a slow start the system starts sending the packets slow and keeps sending them faster and faster until packets start getti…

Docker nginx / php notes

Anonymous (anonymous@undisclosed.example.com) — 2025-11-09T00:31:16+00:00

linux docker nginx php fast-cgi php-fpm Docker nginx / php notes nginx executable I had some trouble getting nginx with php-fpm to operate. So I tried to get working a simple setup to nut-out the nuances. I got it working using php-fpm socket with Apline Linux on 2 Docker instances, one running Nginx and the other php-fpm.

KPTree - Home Desktop Setup

Anonymous (anonymous@undisclosed.example.com) — 2026-03-16T07:04:18+00:00

mswindows windows setup tip notes personal license powertoys KPTree - Home Desktop Setup Background I have Windows on my main desk top machine, it is dual boot with Debian/XFCE. I am using Debian almost exclusively now. The BIOS based dual boot works well, I have it defaulting to Debian. I do not currently have a Windows VM setup on my main server. My 3 sons also have computers with Windows on them. Lastly, I am required to used company Windows machines at work. Hence I like to keep a li…

NFTables Configuration

Anonymous (anonymous@undisclosed.example.com) — 2025-03-02T07:31:20+00:00

linux router nftables firewall NFTables Configuration The best reference for nftables is at the dedicated wiki wiki nftables. Some other references I found nftables router. The reference at stosb is good, but not for a router Explaining My Configs: nftables. Nftables Cheatsheet After a lot of experimenting the following is my NFTables router configuration file. Create the following file called:

Home Sprinkler Setup Notes

Anonymous (anonymous@undisclosed.example.com) — 2025-05-18T12:49:17+00:00

sprinkler spray garden irrigation Home Sprinkler Setup Notes See my Sprinker solenoid woes Reticulation System The home I am currently living in and own had a garden irrigation system install with bore pump when purchased. The system was over 20 years old when I purchased and is now over 30 years old.

Docker mailserver

Anonymous (anonymous@undisclosed.example.com) — 2025-08-16T11:39:12+00:00

linux docker mail mailserver alpine dovecot postfix sqlite s6 s6-rc Docker mailserver This mailserver setup follows Workaround's SPmail guide for Debian 12 “Bookworm”. Key changes are that instead of installing on Debian 12 virtual machine1, with a Maria mysql database2, this setup is for installation on latest Alpine linux Docker image with s6-rc init using maria database. I toyed with sqlite and basically got it functional, however the support apps do not function with sqlite, so I went ba…

Wireguard VPN access from WAN to LAN

Anonymous (anonymous@undisclosed.example.com) — 2025-05-24T13:09:25+00:00

linux router vpn wireguard docker qr_code qr Wireguard VPN access from WAN to LAN I use a Docker instance for my Wireguard server now. I use 2 forms of vpn (virtual private network) on my home server. * VPN to gain remote secure private access to my home LAN from the WAN (internet). This is the one I am describing here.

Docker - DHCP Kea Server

Anonymous (anonymous@undisclosed.example.com) — 2026-04-11T00:19:34+00:00

linux docker kea dhcp Docker - DHCP Kea Server Since mid 2023 I have been running a Docker ISC Kea Image using base Docker Alpine Linux images, with S6 init system. (ISC Kea is a modern replacement for their DHCP.) The main DHCP server runs on my main server and I have an automatic fall over back up on my separate Linux router. I basically followed the Kea template

IPMI CLI Tools

Anonymous (anonymous@undisclosed.example.com) — 2023-12-23T13:07:19+00:00

linux ipmi ipmitool cli bmc IPMI CLI Tools Much copied from Adam Sweet's wiki on IPMI. What is IPMI? IPMI is standard which allows remote server management, primarily developed by Intel. IPMI cards, known as Baseboard Management Cards (BMCs) are primitive computers in their own right and are operational all the time, so long as the server has a power source. The server itself does not need to be powered on, or the operating system operational for the BMC to work, it just needs a power source…

Web Server setup

Anonymous (anonymous@undisclosed.example.com) — 2024-12-07T03:13:35+00:00

linux debian apache apache2 httpd web server php certbot letsencrypt nextcloud cloud vm virtual machine kvm proxy reverse proxy gid uid vipw vigr group id user id Web Server setup Basic Web Server setup on VM I am moving away from Ubuntu to Debian. I find the instruction for here are good to setup a basic web server Digitalocean's LAMP on Debian 11 and Computing for Geeks LAMP on Debian. Old, tl;dr; The main reference used is Unixmen - How To Install LAMP Stack On Ubuntu 16.04, for the bas…

Router Miscellaneous

Anonymous (anonymous@undisclosed.example.com) — 2025-10-14T05:59:15+00:00

linux router monitor links darkstat glances ntopng iftop nethogs Router Miscellaneous Monitoring There are a number of linux monitoring packages available. See these links for more examples see, 13 Linux Performance Monitoring Tools – Part 2, and 30 Linux System Monitoring Tools Every SysAdmin Should Know. Below are a few that I have tried and use. iftop iftop - display bandwidth usage on an interface by host Use

NFTables IP Control

Anonymous (anonymous@undisclosed.example.com) — 2023-04-30T09:43:13+00:00

linux nft nftables nmap NFTables IP Control I primarily set this feature up to act as a form of parental control on my home internet access. Disable Range of IP addresses, with count-down timer The DHCP assigned addresses in the range 100 - 254 were to be disabled (dropped) in the evening. The addresses below 100 were assigned a specific IP address in the DHCP based upon MAC.

Docker Deluge Image / Service

Anonymous (anonymous@undisclosed.example.com) — 2025-06-21T05:00:34+00:00

linux docker image container openvpn docker_compose wireguard macvlan nftables Docker Deluge Image / Service I want a torrent service that uses a VPN and is set-up to block non VPN WAN (internet) access. On my virtual machine implementation of this I used the following 3 packages: deluge (deluged with deluge-web), openvpn and nftables. I have used both iptables and nftables and find nftables is definitely more elegant to use. As far as I can tell there is not a Docker image that will meet m…

Basic Netfilter Function Block Diagram

Anonymous (anonymous@undisclosed.example.com) — 2024-06-23T01:11:37+00:00

linux router mtu netfilter Basic Netfilter Function Block Diagram Both NFTables and IPTables use the Netfilter framework provided in the Linux kernal. NFtables was implemented to supersede IPTables, which due to the widespread use of IPTables, will probably take a long time. The following is a basic block diagram of the Netfilter Filter and NAT (Network Address Translation) functions, which are the basic requirements for router. Incoming Packets | ┌────────────…

Sprinkler Solenoid 24VAC Woes

Anonymous (anonymous@undisclosed.example.com) — 2024-08-24T08:27:38+00:00

sprinkler inductor controller solenoid valve solenoid_valve Sprinkler Solenoid 24VAC Woes See my Home Sprinkler notes I have had many problems with my sprinkler system; decrepit failing 30 year old underground wiring, failing solenoid valves and their solenoids. Some of the old solenoid valves were replaced as they had mechanically failed. The multiple issues made it vary difficult to diagnose what was happening at any time.

BASH Customisation

Anonymous (anonymous@undisclosed.example.com) — 2025-11-22T03:58:17+00:00

linux bash alias tar bash_aliases configure configuration bashrc command script bashrc history sudo visudo dimmer ps kill nightmode xrandr tar archive default_editor editor BASH Customisation The standard BASH colour configuration uses a blue colour for listing directories (ls) which is difficult to read on a black background. While this is the “standard colour”, due to the impracticality I have decided to change it.

dokuwiki setup notes

Anonymous (anonymous@undisclosed.example.com) — 2025-09-29T11:22:11+00:00

linux wiki dokuwiki server plugin markdown dokuwiki setup notes Also see notes on setting up Docker Dokuwiki container * Dokuwiki home page * Dokuwiki Installation instructions * Upgrading Dokuwiki * DokuWiki Manual * Docuwiki maintenance * How to backup DokuWiki? * How to move DokuWiki from one Server to another? dokuwiki backup Back-ups placed here: '/media/disk1/KarlData/Karl Data 2/dokuwiki_backups/' and named KPtreeWiki-backup_yyyy-mm-dd. e.g. sudo tar zcpfv '/media/…

IPMI Console Setup

Anonymous (anonymous@undisclosed.example.com) — 2025-05-18T07:27:42+00:00

linux bmc grub ipmi console redirection cli IPMI Console Setup I have 3 computers from Supermicro with BMC and IPMI. The Supermicro provided utility program IPMIView is good, but the iKVM console redirection facility is woefully unreliable and also seems to be poorly documented! (Probably because it is based upon Java.) Interestingly this utility program is provided for Windows and Linux, and is even available in Manjaro AUR repositories. (This probably actually makes sense as many Supermic…

NUT (Network UPS Tools) Setup

Anonymous (anonymous@undisclosed.example.com) — 2023-05-13T02:20:29+00:00

linux debian nut ups server NUT (Network UPS Tools) Setup I purchased my current main UPS the Powershield Commander RT PSCRT1100 / Voltronic Power Otima II 1.1K in 2014 and setup NUT about this time, including early conversion to systemd scripts. I notice the Techno Tim Network UPS Tools (NUT) Ultimate Guide late 2022 has a perhaps more modern take on this.

Docker - diun & ntfy

Anonymous (anonymous@undisclosed.example.com) — 2024-12-06T11:35:56+00:00

linux docker diun ntfy Docker - diun & ntfy ntfy is a notification application and server frame work. It has an iOS client and can also use standard web page and Andiod app. I originally considered gotify however there is not iOS application for this notification system, which basically makes it of less value for me.

Nextcloud Container

Anonymous (anonymous@undisclosed.example.com) — 2026-04-03T14:43:15+00:00

linux docker nextcloud mysql mariadb Nextcloud Container Nextcloud publishes their own Docker container of Nextcloud. The Nextcloud image on Docker hub is maintained by the Nextcloud community, and is not officially supported by Nextcloud! Linuxserver.io, as well as some others also have Nextcloud containers on Docker Hub.

Docker init Systems

Anonymous (anonymous@undisclosed.example.com) — 2026-02-15T00:27:57+00:00

alpine linux docker init s6 s6-rc alias Docker init Systems There are a number of init systems used on docker containers, many are the defaults that ship with the standard Linux distributions, e.g. systemd which is particularly popular on the larger comprehensive distributions. tldr; There is a lot of argument in the init world, SystemD seems to have taken over the init system in most

DHCP / DNS Setup

Anonymous (anonymous@undisclosed.example.com) — 2024-12-15T03:35:46+00:00

linux router dns dhcp bind ip ipv6 radvd host dig nslookup DHCP / DNS Setup Outdated I have moved my DNS and DHCP servers to Docker, Docker-DNS Server. I am still using ISC_Bind9, but am now using ISC_Kea for DHCP as ISC_Bind is no longer supported as of 2022. tl;dr; Further to this I am not looking at backups for both these services on my local area network. Whilst these services worked reliably well, when ever I shutdown the the router with

boot tools

Anonymous (anonymous@undisclosed.example.com) — 2024-09-22T09:13:38+00:00

linux boot uefi ventoy boot tools list drives * df -h * sudo fdisk -l * lsblk flags: * -f to get more verbose output * -o to get specific output columns, use -h option to see list of column options * blkid * ls -l /dev/disk/by-id, additional list options:

Programs & Applications

Anonymous (anonymous@undisclosed.example.com) — 2025-11-14T08:19:08+00:00

programs applications pipx flatpak Programs & Applications dpkg -l dpkg -l lists all the installed programs on a Debian apt based system. There are too many to list all and many are built in system commands. Below are some that I highlight for interest and future reference to easily find on reinstall.

Formatting Syntax

Anonymous (anonymous@undisclosed.example.com) — 2023-04-30T09:43:12+00:00

Formatting Syntax DokuWiki supports some simple markup language, which tries to make the datafiles to be as readable as possible. This page contains all possible syntax you may use when editing the pages. Simply have a look at the source of this page by pressing

Commonly used commands and scripts

Anonymous (anonymous@undisclosed.example.com) — 2025-09-29T05:35:59+00:00

linux dmesg command systemd journal journalctl tzdata timezone apt upgrade update install remove crontab man apropos tldr ip tc systemctl journalctl pbcopy pbpaste copy paste Commonly used commands and scripts dmesg sudo dmesg lists the OS boot messages between grub and os up. sudo dmesg --level=emerg,alert,crit,err,warn,notice,debug give a more succinct list of focus potential problem issues. * emerg - system is unusable

Anonymous (anonymous@undisclosed.example.com) — 2026-01-25T13:50:25+00:00

Administration Welcome/Home Personal * Personal Thoughts and Beliefs (Private) * Localisations * KPTree Recipes * Home Sprinkler Setup Notes * KPTree - Home Desktop Setup Home Server Setup * Home Server Notes * My Home IT Setup * Network Setup * KVM Setup * VNC Server * fsck - file system check * Home Server Index Home Server Other VM Setups * Home Server other VMs Index * KPTree - Email Server Setup * KPTree Torrent VM Setup * KPTree - Home Desktop Setup * dokuwiki setup…

Docker

Anonymous (anonymous@undisclosed.example.com) — 2026-01-17T01:03:10+00:00

linux docker cli installation network volume iptables nftables portainer Docker Docker is a set of platform as a service (PaaS) products that use OS-level virtualization to deliver software in packages called _containers_. The service has both free and premium tiers. The software that hosts the containers is called Docker Engine

Docker - DNS Server

Anonymous (anonymous@undisclosed.example.com) — 2026-02-15T00:37:24+00:00

linux docker dns bind9 Docker - DNS Server What Is DNS and How Does It Work – A Comprehensive Guide I have been using Bind9 as my home LAN DNS for the past few years. I originally operated it on bare metal on my home router computer. In mid 2023 I successfully moved my Bind9 primary instance to my main home server in a container and created a slave instance in a container running on my home router computer. I created a Docker Bind9 Image using base Docker Alpine Linux images, with S6 init s…

turn server

Anonymous (anonymous@undisclosed.example.com) — 2025-03-02T05:34:56+00:00

linux docker turnserver turn server From wikipedia; Traversal Using Relays around NAT (TURN) is a protocol that assists in traversal of network address translators (NAT) or firewalls for multimedia applications. It may be used with the Transmission Control Protocol (TCP) and User Datagram Protocol (UDP). It is most useful for clients on networks masqueraded by symmetric NAT devices. TURN does not aid in running servers on well known ports in the private network through a NAT; it supports the c…

VNC

Anonymous (anonymous@undisclosed.example.com) — 2025-07-05T10:36:50+00:00

linux docker vnc guacamole VNC I set up Guacamole using Install Guacamole on Docker – VNC, SSH, SFTP, and RDP like a Boss!. * keystroke in a Guacamole session opens and closes the Guacamole control panel. My docker-compose.yml --- services: # MariaDB - MySQL Database mariadb: container_name: guac_db image: linuxserver/mariadb:latest restart: always networks: # - proxy - guac security_opt: - no-new-privileges:true # ports: # …

Private LAN VPN Access

Anonymous (anonymous@undisclosed.example.com) — 2024-12-28T03:23:56+00:00

linux docker wireguard openvpn Private LAN VPN Access The scope here concerns use of VPN (Virtual Private Network) to gain secure access from the public network to a local private network. It relates to private secure access and use from the public network. It does not consider public VPNs setup for public use.

KPTree - Email Server Setup

Anonymous (anonymous@undisclosed.example.com) — 2024-03-24T08:01:21+00:00

linux mail server email postfix dovecot emailserver debian ubuntu horde postfixadmin admin clamav apache roundcube webmail certbot certificate KPTree - Email Server Setup Email Server Notes Setting up the email server on my home server was probably the most difficult task. Email server setup is intricate, risky and involves significant commitment and effort to setup reliably and maintain.

KPTree Torrent VM Setup

Anonymous (anonymous@undisclosed.example.com) — 2023-04-30T09:43:13+00:00

deluge torrent server openvpn btguard nftables iptables systemd virtual machine linux ubuntu KPTree Torrent VM Setup Deluge Headless setup The main reference used is Havetheknowhow.com, specifically for the deluge headless setup, Havetheknowhow.com - How to install Deluge Headless. The Deluge support page is also a root source of knowledge Deluge systemd. Whatbox Deluge also has some interesting dialog. If installing on a virtual machine (VM) it is important to also have set up the NFS to al…

Router Hardware

Anonymous (anonymous@undisclosed.example.com) — 2025-09-20T09:35:01+00:00

linux router hardware Router Hardware ikoolcore-r2-max (Dec 2024) The Supermicro SYS-E200-9B has stopped working. It posts bios, but will not boot further. I suspect hardware failure of some sort. The BMC failed a few years ago. I have ordered a replacement ikoolcore-r2-max. The replacement comes with 2.5Gb/s and 10GB/s NICs and a more modern and faster 8 core

ISP IPoE DHCP Setup Notes

Anonymous (anonymous@undisclosed.example.com) — 2025-01-04T10:36:56+00:00

linux router bridged modem isp ipoe mtu dns dhcp ISP IPoE DHCP Setup Notes Notes on Setting up a Linux router for IPoE DHCP. old, tldr; After a few years of reasonable successful use of bridged VDSL modem with Linux Router running pppoe and nftables my ISP informed me that they do not use authentication on the connection with username and password. In fact they mention they used dhcp IPoE as well as PPPoE. I set up my spare modem as they described and it worked straight way. When I tried my…

IPTables Configuration

Anonymous (anonymous@undisclosed.example.com) — 2024-12-15T02:31:01+00:00

linux router firewall iptables IPTables Configuration Having delved into IPtables and NFtables about the same time, my feelings are that NFTables is generally superior in just about every way, I can not be bothered explaining this, this is just my experience and feeling. I would preferentially use NFTables over IPtables where I have a choice. Unfortunately some software still uses IPtables, e.g. Docker. So it is good to be able to be sufficiently fluent and be able to work in both at this …

Router VM

Anonymous (anonymous@undisclosed.example.com) — 2025-03-08T09:28:50+00:00

linux router vm Router VM I have just decided to play with installing VM (virtual machines) on my Router hardware (2023-01). I have been reluctant to do this for a number of reasons. My separate listing for Router Hardware. Basically the machine is a bit old slow and under powered, but still adequate for what it does. I do not run a desktop on this machine, CLI (Command Line Interface only). The main services I am currently running on this machine are, all bare metal:

Linux Router Setup Notes - Index

Anonymous (anonymous@undisclosed.example.com) — 2025-03-08T09:30:05+00:00

Linux Router Setup Notes - Index router index Linux Router Setup Notes - IndexStart page next page

ASCII

Anonymous (anonymous@undisclosed.example.com) — 2024-05-18T05:11:25+00:00

ascii code ASCII Four Column ASCII 00 01 10 11 00000 NUL Spc @ ` 00001 SOH ! A a 00010 STX “ B b 00011 ETX # C c 00100 EOT $ D d 00101 ENQ % E e 00110 ACK & F f 00111 BEL ' G g 01000 BS ( H h 01001 TAB ) I i 01010 LF * J j 01011 VT + K k 01100 FF , L

Domain names, domain nameservers, DNS and DHCP

Anonymous (anonymous@undisclosed.example.com) — 2025-08-09T03:11:23+00:00

Domain names, domain nameservers, DNS and DHCP Domain names, Domain nameservers, DNS and DHCP are a key part of the internet back bone. * DNS (Domain Name System) resolves the text domain names to the relevant IP (Internet Protocol) addresses. *

PiKVM

Anonymous (anonymous@undisclosed.example.com) — 2025-08-10T12:30:03+00:00

linux kvm ipmi pikvm bmc PiKVM I purchased a PiKVM kit in 2021, and got it operational at that time. I did not need to use it until recently, 2024-09. Basically a special 'hat' is mounted on a standard Raspberry Pi 4, the smallest memory unit type being sufficient (2 GB). The kit was complete with all the required parts, such as the hat, Raspberry PI, a case, small OLED display and various cables. The PiKVM is V3 HAT with RPi V4 2GB.

Back-up Server Old Setup

Anonymous (anonymous@undisclosed.example.com) — 2025-01-03T00:55:46+00:00

linux debian backup lvm filesystem server nfs mount showmount Back-up Server Old Setup This has been more difficult than I would have thought. I have used rsnapshot the past couple of years (2020-21), but have never really been happy with it for many reasons. The main reason is that it has never worked well, the rsync is reasonably fast, but the rsnapshot takes far too long. Other problems include; difficulties in set-up, and concerns will reliability. Recently I noticed that Debian no longer …

Linux Block Device Notes

Anonymous (anonymous@undisclosed.example.com) — 2026-02-03T11:50:32+00:00

linux debian nfs parted fstab format partion disk mount umount fstab unmount Linux Block Device Notes Linux Disk Partition and Format Notes Some basic tools * ls -l /dev/disk/by-uuid/ will list the disks with UUIDs * lsblk to list partitions (or list block devices) * lsblk -f or blkid to list the UUIDs * sudo blkid will list data blocks

NFS

Anonymous (anonymous@undisclosed.example.com) — 2025-01-05T06:27:27+00:00

linux debian nfs fstab server NFS There are a lot of resources online for NFS (Network File System). Nevertheless I decided to place my notes here to help me with my configuration, as there are a number of nuances that such notes will potentially assist with in the future. Sadly a number of resources I use seem out of date, not updated and/or possible subject to disappearance.

Simlinks

Anonymous (anonymous@undisclosed.example.com) — 2025-01-10T03:55:11+00:00

simlinks ln linux setup command Simlinks A symlink is a soft or hard link to a directory location to another directory location or file. It effectively allows a directory tree (soft link only) to be made for different non-structured directory locations, even across partitions. It allows configuration file control by having current configuration file pointing to different version or use type configuration files, depending on use case.

tmux

Anonymous (anonymous@undisclosed.example.com) — 2023-04-30T09:43:13+00:00

linux terminal tmux kitty ssh tmux tmux is a terminal multiplexer. It lets you switch easily between several programs in one terminal, detach them (they keep running in the background) and reattach them to a different terminal. tmux ---------- Prev Start page Next terminals kitty The fast, feature-rich, GPU based terminal emulator