- [WireGuard](https://www.wireguard.com/) - Very fast VPN based on elliptic curve and public key crypto.
- [Nebula](https://github.com/slackhq/nebula) - A scalable p2p VPN with a focus on performance, simplicity and security.
### Web
**[`^ back to top ^`](#awesome-sysadmin)**
@ -813,6 +814,7 @@ Various resources, such as books, websites and articles, for improving your skil
- [The Visible Ops Handbook: Implementing ITIL in 4 Practical and Auditable Steps](http://www.itpi.org/the-visible-ops-handbook-review.html) - Is a methodology designed to jumpstart implementation of controls and process improvement.
* UNIX and Linux System Administration Handbook (ISBN-13: 978-0131480056) - Approaches system administration from a practical perspective.
## Communities / Forums
*For the social people.*
@ -826,11 +828,13 @@ Various resources, such as books, websites and articles, for improving your skil
- [Server Fault](https://serverfault.com/) – StackExchange community for system and network administrators.
## Newsletters
- [Servers for Hackers](https://serversforhackers.com/) - Newsletter for programmers who find themselves needing to know their way around a server.
- [Web Operations Weekly](http://webopsweekly.com/) - A weekly newsletter on Web operations, infrastructure, performance, and tooling, from the browser down to the metal.
## Repositories
*Software package repositories.*
@ -843,21 +847,17 @@ Various resources, such as books, websites and articles, for improving your skil
- [Remi](http://rpms.famillecollet.com/) - Repository with LAMP updated packages for RHEL/Centos/Fedora.
- [Software Collections](https://www.softwarecollections.org) - Community Release of [Red Hat Software Collections](https://access.redhat.com/documentation/en/red-hat-software-collections/). Provides updated packages of Ruby, Python, etc. for CentOS/Scientific Linux 6.x.
## Websites
*Useful sysadmin related websites.*
- [ArchWiki](https://wiki.archlinux.org/) – Arch Linux Wiki which has really nice written articles valid for other distros.
- [Gentoo Wiki](https://wiki.gentoo.org/) - Gentoo Linux Wiki with a lot in-detail description of Linux components.
- [Awesome SysAdmin @ LibHunt](https://sysadmin.libhunt.com) - Your go-to SysAdmin Toolbox. Based on the list here.
- [Ops School](http://www.opsschool.org) - Comprehensive program that will help you learn to be an operations engineer.
- [Digital Ocean Tutorials](https://www.digitalocean.com/community/tutorials) - A surprisingly vast resource for getting the basics of certain applications, tools, or even systems administration topics.
## Wikis
*Useful Wikis for Sysadmins – not to be confused with Wiki software.*
- [ArchWiki](https://wiki.archlinux.org/) – Arch Linux Wiki which has really nice written articles valid for other distros.
- [Gentoo Wiki](https://wiki.gentoo.org/) - Gentoo Linux Wiki with a lot in-detail description of Linux components.