KPTree Wiki
https://wiki.kptree.net/
2026-04-24T12:04:22+00:00KPTree Wiki
https://wiki.kptree.net/
https://wiki.kptree.net/lib/exe/fetch.php?media=wiki:dokuwiki.svgtext/html2025-05-24T13:09:25+00:00Anonymous (anonymous@undisclosed.example.com)Wireguard VPN access from WAN to LAN
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/html2025-11-30T10:55:19+00:00Anonymous (anonymous@undisclosed.example.com)Debian Server Network Setup
https://wiki.kptree.net/doku.php?id=linux_router:network&rev=1764500119&do=diff
linux debian ubuntu router network netplan interface vlan ipv6 ip
Debian Server Network Setup
Debian Network - Server Interface Setup
As of Debian 10 (Buster) Debian still by default uses this interface Setup. It can be setup to use netplan inface.
Ubuntu (as of version 14.04) defaults to Predictable Network Interface Names, also see Systemd Docs. I have no problem with this. In any case, you should always check dev names and not assume names, such astext/html2025-03-02T07:31:20+00:00Anonymous (anonymous@undisclosed.example.com)NFTables Configuration
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/html2025-08-17T00:27:04+00:00Anonymous (anonymous@undisclosed.example.com)Network Setup
https://wiki.kptree.net/doku.php?id=home_server:home_server_setup:network_setup&rev=1755390424&do=diff
network interface netplan nic setup loopback eth ethernet bridge bond networkd linux debian setup command
Network Setup
Most server have more than one network connection although one is technically enough. Routers by definition need to have a minimum of at least 2 network connections.
It would seem that Debian Linux supports multiple methods to define network connections:text/html2023-12-23T13:07:19+00:00Anonymous (anonymous@undisclosed.example.com)IPMI CLI Tools
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/html2023-04-30T09:43:13+00:00Anonymous (anonymous@undisclosed.example.com)KPTree Torrent VM Setup
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/html2025-10-14T05:59:15+00:00Anonymous (anonymous@undisclosed.example.com)Router Miscellaneous
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
Usetext/html2025-01-10T02:59:45+00:00Anonymous (anonymous@undisclosed.example.com)SSH Notes
https://wiki.kptree.net/doku.php?id=home_server:home_server_setup:other_services:ssh&rev=1736477985&do=diff
linux debian ssh ssh_notes
SSH Notes
SSH Login Message
Acronyms and Definitions
* MOTD = Message of the Day
Login Messages
* sudo vim /etc/issue.net Displays a message before the user begins login, I do not use this.
* sudo vim /etc/ssh/sshd_config ensure the following option is settext/html2025-11-09T00:31:16+00:00Anonymous (anonymous@undisclosed.example.com)Docker nginx / php notes
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/html2024-12-15T03:35:46+00:00Anonymous (anonymous@undisclosed.example.com)DHCP / DNS Setup
https://wiki.kptree.net/doku.php?id=linux_router:dns_dhcp&rev=1734233746&do=diff
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 withtext/html2025-09-20T09:35:01+00:00Anonymous (anonymous@undisclosed.example.com)Router Hardware
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 coretext/html2024-09-21T12:10:33+00:00Anonymous (anonymous@undisclosed.example.com)ISP PPPoE Network Setup
https://wiki.kptree.net/doku.php?id=linux_router:ppp&rev=1726920633&do=diff
linux router pppoe pppoed isp mtu dns dhcp
ISP PPPoE Network Setup
A reasonably comprehensive discussion on Ubuntu forums Setup Ubuntu Server as a router using a PPPoE connection, MTU and TCP MSS when using PPPoE. Also from Ubuntu forums How to Optimize your Internet Connection using MTU and RWIN. Ubuntu documentation ADSLPPPoE. PPPD manual page.
Another reference is Confirm Blog Using PPPoE on Linux.
Some other references:
* Connecting to NBN HFC with a linux router] Internode router set…text/html2025-03-08T09:28:50+00:00Anonymous (anonymous@undisclosed.example.com)Router VM
https://wiki.kptree.net/doku.php?id=linux_router:qemu&rev=1741426130&do=diff
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:text/html2023-04-30T09:43:13+00:00Anonymous (anonymous@undisclosed.example.com)Conky
https://wiki.kptree.net/doku.php?id=home_server:home_server_setup:other_services:conky&rev=1682847793&do=diff
conkey linux debian manjaro setup monitor
Conky
Conky is a Linux system monitor tool using X Windows. Conky is highly configurable and is able to monitor many system variables including the status of the CPU, memory, swap space, disk storage, temperatures, processes, network interfaces, battery power, system messages, e-mail in-boxes Linux updates, runs many popular music players, and much more. Unlike system monitors that use high-level widget tool-kits to render their information, Conky i…text/html2025-05-18T07:27:42+00:00Anonymous (anonymous@undisclosed.example.com)IPMI Console Setup
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/html2025-06-21T05:00:34+00:00Anonymous (anonymous@undisclosed.example.com)Docker Deluge Image / Service
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/html2025-08-16T11:39:12+00:00Anonymous (anonymous@undisclosed.example.com)Docker mailserver
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/html2026-04-03T14:43:15+00:00Anonymous (anonymous@undisclosed.example.com)Nextcloud Container
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/html2025-12-23T02:48:44+00:00Anonymous (anonymous@undisclosed.example.com)Docker Host
https://wiki.kptree.net/doku.php?id=docker_notes:vm-container&rev=1766458124&do=diff
linux docker vm proxmox server vnc kvm libvirt selfhosted
Docker Host
KVM versus Proxmox
I originally started using Linux KVM based VM, with QEMU and Libvirt on Ubuntu bare metal, circa 2014, this before was I was aware that Proxmox existed. Around 2020 I moved to Debian as my preferred bare metal distribution for server and desktop, I stopped using Windows as my main home desktop around this time. When I started playing around with Docker to create my own container images I preferred use of…text/html2025-05-22T08:07:33+00:00Anonymous (anonymous@undisclosed.example.com)Router Configuration, Switch & Server Setup
https://wiki.kptree.net/doku.php?id=linux_router:ubuntu&rev=1747901253&do=diff
linux router router_configuration setup debian ubuntu snap snaps switch network
Router Configuration, Switch & Server Setup
Router Configuration
[DRAFT]
A router performs the following key features:
* A gateway between different network areas
* Restrict network traffic
* Forward Network traffic
* Track network traffic, allows traffic incoming only if response to out going (one way traffic) This is primary firewall action and primary security action! This is often confused with NAT…text/html2025-08-09T03:11:23+00:00Anonymous (anonymous@undisclosed.example.com)Domain names, domain nameservers, DNS and DHCP
https://wiki.kptree.net/doku.php?id=tech_notes:dns&rev=1754709083&do=diff
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.
*text/html2025-08-10T12:30:03+00:00Anonymous (anonymous@undisclosed.example.com)PiKVM
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/html2025-09-29T05:35:59+00:00Anonymous (anonymous@undisclosed.example.com)Commonly used commands and scripts
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 unusabletext/html2026-01-17T01:03:10+00:00Anonymous (anonymous@undisclosed.example.com)Docker
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 Enginetext/html2025-03-02T05:34:56+00:00Anonymous (anonymous@undisclosed.example.com)turn server
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/html2024-03-24T08:01:21+00:00Anonymous (anonymous@undisclosed.example.com)KPTree - Email Server Setup
https://wiki.kptree.net/doku.php?id=home_server:email_server&rev=1711267281&do=diff
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.text/html2025-01-04T10:36:56+00:00Anonymous (anonymous@undisclosed.example.com)ISP IPoE DHCP Setup Notes
https://wiki.kptree.net/doku.php?id=linux_router:ipoe&rev=1735987016&do=diff
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…text/html2024-12-15T02:31:01+00:00Anonymous (anonymous@undisclosed.example.com)IPTables Configuration
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/html2025-04-06T07:41:58+00:00Anonymous (anonymous@undisclosed.example.com)Manjaro Setup Notes
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/html2023-04-30T09:43:13+00:00Anonymous (anonymous@undisclosed.example.com)samba
https://wiki.kptree.net/doku.php?id=home_server:home_server_setup:other_services:samba&rev=1682847793&do=diff
linux samba
samba
I have not look at samba much since I first attempted to set up my home sever circa 2011 on Fedora before I moved to Ubuntu. I stopped using Fedora as I had noob pain with Selinux, coupled with the short service life of Fedora, so I moved to Ubuntu, where I had a lot more success.text/html2024-12-06T11:35:56+00:00Anonymous (anonymous@undisclosed.example.com)Docker - diun & ntfy
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/html2026-04-11T00:19:34+00:00Anonymous (anonymous@undisclosed.example.com)Docker - DHCP Kea Server
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 templatetext/html2026-02-15T00:27:57+00:00Anonymous (anonymous@undisclosed.example.com)Docker init Systems
https://wiki.kptree.net/doku.php?id=docker_notes:init&rev=1771115277&do=diff
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 mosttext/html2024-12-28T03:23:56+00:00Anonymous (anonymous@undisclosed.example.com)Private LAN VPN Access
https://wiki.kptree.net/doku.php?id=docker_notes:vpn&rev=1735356236&do=diff
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.text/html2026-03-16T07:04:18+00:00Anonymous (anonymous@undisclosed.example.com)KPTree - Home Desktop Setup
https://wiki.kptree.net/doku.php?id=home_server:mswindows_notes&rev=1773644658&do=diff
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…text/html2024-12-07T03:13:35+00:00Anonymous (anonymous@undisclosed.example.com)Web Server setup
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/html2024-06-23T01:11:37+00:00Anonymous (anonymous@undisclosed.example.com)Basic Netfilter Function Block Diagram
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/html2023-04-30T09:43:13+00:00Anonymous (anonymous@undisclosed.example.com)NFTables IP Control
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/html2024-06-23T00:14:23+00:00Anonymous (anonymous@undisclosed.example.com)TC - Traffic Control
https://wiki.kptree.net/doku.php?id=linux_router:tc&rev=1719101663&do=diff
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…text/html2026-03-22T01:59:49+00:00Anonymous (anonymous@undisclosed.example.com)Linux CLI Commands
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/html2025-02-08T09:11:05+00:00Anonymous (anonymous@undisclosed.example.com)KVM Setup
https://wiki.kptree.net/doku.php?id=home_server:home_server_setup:kvm&rev=1739005865&do=diff
server kvm virtual command debian machine qemu virsh qcow linux command setup nbd network block device
KVM Setup
I original setup my main server and virual machines all with Ubuntu. However I have started using Debian and find it leaner than Ubuntu. I am slowly moving my various servers and virtual machines to Debian.
* Install And Configure KVM In Ubuntu 20.04 Headless Server
* Installing KVM on Debian 10
* How To Install KVM Hypervisor on Debian 12|11|10
* How to install KVM server on …text/html2023-04-30T09:43:13+00:00Anonymous (anonymous@undisclosed.example.com)Calibre Server
https://wiki.kptree.net/doku.php?id=home_server:home_server_setup:other_services:calibre_server&rev=1682847793&do=diff
linux calibre server ebook
Calibre Server
Calibre is a comprehensive book library package.
I had the server running on my Ubuntu 14.04 system about 5 years ago. From memory the Calibre web interface was a bit unpolished, however some of my phone apps could access the library for easier book access.