A web client for FTP, SFTP, WebDAV, Git, S3, Minio, LDAP, Caldav, Carddav, Mysql, Backblaze filestores. Tries to work like Dropbox's interface. Manage files on remote servers entirely with your browser. Tries to be mobile friendly, too. Customizable. Supports media playback.
You're supposed to run it from inside of Docker, but it's probably worth fixing that.
Can be reverse-proxied with Nginx.
Filestash lets you easily manage your data regardless of where it is stored: FTP / SFTP / Git / S3 / Minio / Dropbox / Google Drive
Graphical file manager. Lets you create mountable shared drives on a server for collaboration. Plugin architecture so it can be customized. Has its own text editor. Tries to run on as many platforms as possible, from desktop to mobile. Tries to be lightweight.
LibreTime makes it easy to run your own online or terrestrial radio station. Check out some features and screenshots, then install it and start broadcasting!
A simple zero-config tool to make locally trusted development certificates with any names you'd like. Does this by adding (and managing) a local CA on your laptop which you can issue arbitrary certs for (including localhost).
See your server in a web browser and perform system tasks with a mouse. It’s easy to start containers, administer storage, configure networks, and inspect logs. Full dashboard. Lets you configure things as well as look in on them. Extensible with a plugin architecture. Packaged in many distros, including Debian. Does not replace the shell, does not take over the system's configuration so you can work from both ends and they won't conflict. Doesn't step on other management apps, either. Uses your account, relies on sudo to elevate privs. Mobile friendly. If you can reach it using SSH, you can admin it.
Appears to be written in C.
Another self-hosted Github work-alike, forked from Gogs. Lightweight, written in Go, will run anywhere you can compile Go for. If you know how to use Github, you probably know how to use Gitea.
A Github workalike that is self-hosted. Written in Go, runs anywhere you can compile Go code for. Lightweight, will run happily on a RasPi. If you know how to use and admin Github, you know how to use Gogs already.
Github repo: https://github.com/gogs/gogs
Possibly the most awesome open source music library management system that I've ever used - written in Python, it can import thousands of tracks into its database, along with CDDB information. It even manages my collection of radio shows, tracking down episode information as necessary.
A permalink to a post at the Global Nerdy blog explaining the Laws of Software Development.
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A free, open source application that makes manipulating SQLite databases easier. Designed with both people who aren't skilled with databases and administrators in mind.
An open source, cross-platform e-book organization application. Also handles format conversion, conversion of RSS feeds into e-books, reader synchronization. You can even read your e-books with it.
How to manage resources in Solaris 10 and later using the /etc/project file. Very handy if you want to limit the number of concurrent logins to a single machine.
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A single-file database administration utility written in PHP. Supports MySQL, PostgreSQL, SQLite, MS SQL, and Oracle database servers. Formerly phpMyAdmin. Seems to let you do everything you could do from a database shell. Session-aware. Has plugins for a number of popular web apps to help you fix their databases should you need to. Easily themeable, just drop a new CSS file into the directory Adminer is installed in.
A VNC client implemented entirely in HTML5, using WebSockets and Canvas. Supports encrypted connections. Remotely manage servers without having to install extra software!
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Open source mission control software comprised of simple, pluggable visual modules. It's not programming, it's activating and configuring modules to handle and display different kinds of data to give you the kind of tacical overview that you need.
Cross platform, written in Java.
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RackTables is a web application that makes it easy to maintain inventories of your data centers. Can handle multiple data centers, racks, machines, categories and types of device... requires a basic LAMP stack.
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How to display the list of file shares on a Windows server.
How to interactively edit the mail queue of a Postfix server to delete messages, clean up junk, or other stuff. Requires administrative access. Read the whole thing before you do anything. In fact, keep a copy of this page locally just in case.
The SANS Institute's sample security policy documents, which are free to use as frameworks or templates for more specialized security policies.
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