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Userspace Networking with DPDK

by Rami Rosen DPDK is a fully open-source project that operates in userspace. It's a multi-vendor and multi-architecture project, and it aims at achieving high I/O performance and reaching high packet...

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Speeding Up Netfilter (by Avoiding Netfilter)

by Zack Brown Imre Palik tried to speed up some of Linux's networking code but was met with stubborn opposition. Essentially, he wanted networking packets to bypass the netfilter code unless...

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The Fight for Control: Andrew Lee on Open-Sourcing PIA

by Doc Searls When I learned that our new sister company, Private Internet Access (PIA), was opening its source code, I immediately wanted to know the backstory, especially since privacy is the theme...

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DIY RV Offsite Backup and Media Server

by Kyle Rankin What better way to add a geeky touch to #vanlife than with a Linux server in your RV? One easily could make the strong argument that an RV is the ultimate DIY project playground. It...

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Encrypting NFSv4 with Stunnel TLS

by Charles Fisher NFS clients and servers push file traffic over clear-text connections in the default configuration, which is incompatible with sensitive data. TLS can wrap this traffic, finally...

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Have a Plan for Netplan

by Shawn Powers Ubuntu changed networking. Embrace the YAML. If I'm being completely honest, I still dislike the switch from eth0, eth1, eth2 to names like, enp3s0, enp4s0, enp5s0. I've learned to...

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Papa's Got a Brand New NAS: the Software

by Kyle Rankin Who needs a custom NAS OS or a web-based GUI when command-line NAS software is so easy to configure? In a recent letter to the editor, I was contacted by a reader who enjoyed my "Papa's...

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A Use Case for Network Automation

by Eric Pearce Use the Python Netmiko module to automate switches, routers and firewalls from multiple vendors. I frequently find myself in the position of confronting "hostile" networks. By hostile,...

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Knot DNS: One Tame and Sane Authoritative DNS Server

by Thomas Golden How to install and minimally configure Knot to act as your home lab's local domain master and slave servers. If you were a regular viewer of the original Saturday Night Live era, you...

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RV Offsite Backup Update

by Kyle Rankin Having an offsite backup in your RV is great, and after a year of use, I've discovered some ways to make it even better. Last year I wrote a feature-length article on the data backup...

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