https://wiki.kptree.net/ 2026-06-04T18:57:22+00:00 https://wiki.kptree.net/ https://wiki.kptree.net/lib/exe/fetch.php?media=wiki:dokuwiki.svg text/html 2025-11-09T00:31:16+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.kptree.net/doku.php?id=docker_notes:nginx-php-notes&rev=1762648276&do=diff 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. text/html 2023-04-30T09:43:13+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.kptree.net/doku.php?id=home_server:media_vm_setup&rev=1682847793&do=diff 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… text/html 2025-09-29T05:35:59+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.kptree.net/doku.php?id=home_server:home_server_setup:other_services:misc&rev=1759124159&do=diff 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 text/html 2026-04-03T14:43:15+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.kptree.net/doku.php?id=docker_notes:docker-nextcloud&rev=1775227395&do=diff 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. text/html 2023-05-13T02:20:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.kptree.net/doku.php?id=home_server:home_server_setup:other_services:nut&rev=1683944429&do=diff 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. text/html 2026-01-17T01:03:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.kptree.net/doku.php?id=docker_notes:docker&rev=1768611790&do=diff 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 text/html 2026-01-31T14:34:43+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.kptree.net/doku.php?id=home_server:home_server_setup:other_services:rsync&rev=1769870083&do=diff rsync backup linux debian rsnapshot Rsync These are my rsync notes. I also used to use rsnapshot, however I was unhappy with the performance of this application and moved to restic. The original rsnapshot notes have been rolled up and moved to the bottom of this page. Rsync Notes Main rsync command usage summary text/html 2025-03-02T05:34:56+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.kptree.net/doku.php?id=docker_notes:turnserver&rev=1740893696&do=diff 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… text/html 2025-03-02T07:31:20+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.kptree.net/doku.php?id=linux_router:nftables&rev=1740900680&do=diff 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: text/html 2025-05-24T13:09:25+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.kptree.net/doku.php?id=linux_router:wireguard&rev=1748092165&do=diff 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. text/html 2025-11-22T03:58:17+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.kptree.net/doku.php?id=home_server:home_server_setup:other_services:bash&rev=1763783897&do=diff 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. text/html 2025-08-16T11:39:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.kptree.net/doku.php?id=docker_notes:docker-mailserver&rev=1755344352&do=diff 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… text/html 2024-06-23T01:11:37+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.kptree.net/doku.php?id=linux_router:netfilter&rev=1719105097&do=diff 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 | ┌────────────… text/html 2023-04-30T09:43:13+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.kptree.net/doku.php?id=linux_router:nftables_control&rev=1682847793&do=diff 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. text/html 2025-12-30T03:42:42+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.kptree.net/doku.php?id=python:subprocess&rev=1767066162&do=diff Python Programming Notes Here are my notes from starting to use and learn the python programming language. I am only focusing on Python 3 at this time. python subprocess subprocess.run subprocess module The subprocess module allows you to spawn new processes, connect to their input/output/error pipes, and obtain their return codes. text/html 2026-01-09T09:49:22+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.kptree.net/doku.php?id=project:home_solar_bess&rev=1767952162&do=diff home solar bess battery stroage power electric Home Solar / BESS In my home jurisdiction housing with single phase power reticulation are generally limited to solar systems with 5kW of feed in capacity, so systems are limited to 6.6kW of peak solar panel capacity coupled to a inverter with 5kW maximum capacity. The requirements have developed and changed significantly over the past 15 years as features of residential solar power has significantly changed during this time, particularly renewab… text/html 2024-09-22T09:13:38+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.kptree.net/doku.php?id=tech_notes:boot&rev=1726996418&do=diff 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: text/html 2023-04-30T09:43:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.kptree.net/doku.php?id=wiki:syntax&rev=1682847792&do=diff 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 text/html 2023-12-23T13:07:19+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.kptree.net/doku.php?id=home_server:home_server_setup:other_services:ipmi&rev=1703336839&do=diff 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… text/html 2025-05-18T07:27:42+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.kptree.net/doku.php?id=home_server:home_server_setup:other_services:ipmi_console&rev=1747553262&do=diff 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… text/html 2025-04-06T07:41:58+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.kptree.net/doku.php?id=home_server:home_server_setup:other_services:manjaro&rev=1743925318&do=diff linux manjaro arch archlinux vuescan flatpak davfs cups printing print Manjaro Setup Notes I tried Manjaro circa 2019 for a couple of years as my main Linux Desktop. I had no major problems with it. An occasional minor problem this nVidia graphic card and some minor issues with updates. Having used Debian / Ubuntu the past 10 years on servers I decided to switch to Debian testing desk top with XFCE. Debian testing basically give a similar level of latest updates as Manjaro/Arch. I have not … text/html 2025-06-21T05:00:34+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.kptree.net/doku.php?id=docker_notes:docker-deluge&rev=1750482034&do=diff 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… text/html 2026-04-11T00:19:34+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.kptree.net/doku.php?id=docker_notes:docker-dhcp&rev=1775866774&do=diff 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 text/html 2024-12-15T02:31:01+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.kptree.net/doku.php?id=linux_router:iptables&rev=1734229861&do=diff 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 … text/html 2025-10-14T05:59:15+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.kptree.net/doku.php?id=linux_router:misc&rev=1760421555&do=diff 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 text/html 2024-08-24T08:27:38+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.kptree.net/doku.php?id=project:sprinklers&rev=1724488058&do=diff 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. text/html 2026-03-22T01:59:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.kptree.net/doku.php?id=tech_notes:linux_commands&rev=1774144789&do=diff cli commands Linux CLI Commands Various Linux CLI (Command Line Interface) Commands with examples and grouped by type File System Find specific file types * Using ls: * ls -lhaF | grep ^l # list links * ls -lhaF | grep ^d # list directories * ls -lhaF | grep ^- text/html 2025-01-03T00:55:46+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.kptree.net/doku.php?id=home_server:home_server_setup:other_services:back-up_server_old&rev=1735865746&do=diff 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 … text/html 2024-12-06T11:35:56+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.kptree.net/doku.php?id=docker_notes:diun-ntfy&rev=1733484956&do=diff 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. text/html 2025-01-07T01:00:11+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.kptree.net/doku.php?id=docker_notes:docker-reverse-proxy&rev=1736211611&do=diff linux docker traefik reverse_proxy proxy openssl ssl certificate portainer cloudsec Reverse Proxy Server - Traefik I seem to have gotten the Traefik reverse proxy working according to Techno Tim Put Wildcard Certificates and SSL on EVERYTHING (github reference_files for traefik-portainer-ssl). Also see Jim's Garage Your Traefik Isn't Secure (JimsGarage/Traefik-Secure/ Below is a basic description of the process that aligns with my configuration files. I do this for 2 reasons, both allowing m… text/html 2024-12-07T03:13:35+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.kptree.net/doku.php?id=home_server:web_server_setup&rev=1733541215&do=diff 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… text/html 2025-09-20T09:35:01+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.kptree.net/doku.php?id=linux_router:hardware&rev=1758360901&do=diff 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 text/html 2025-12-30T03:54:42+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.kptree.net/doku.php?id=project:lighting&rev=1767066882&do=diff light bulb colour Light Bulb Info Colour Temperatures (see The Ultimate Guide To Lighting Colour Temperature) Region Warm White Daylight Australia Warm White Cool White Daylight 2600K to 3200K >3200K to 4500K >4500K North America Warm White Neutral white Cool white 2700K - 3000K 3500K - 4100K 5000K - 6500K text/html 2025-08-10T12:30:03+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.kptree.net/doku.php?id=tech_notes:pikvm&rev=1754829003&do=diff 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. text/html 2023-04-30T09:43:13+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.kptree.net/doku.php?id=home_server:home_server_setup:other_services:tmux&rev=1682847793&do=diff 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