Episode 226: Networking Basics with Steve Ovens

Everyone uses a network to access the internet, but how well do you understand the network you use? In this episode Steve Ovens joins us to give a basic network overview as well as answer questions you sent in! -- During The Show -- 02:00 Setting up Network Segment Reverse Proxy - Cameron Nginx Reverse Proxy (https://docs.nginx.com/nginx/admin-guide/web-server/reverse-proxy/) Kernel networking Issue - James BCM4354 WiFi Card RPM Fusion Link from Conan Kudo (https://koji.rpmfusion.org/koji/buildinfo?buildID=18141) Should we all use IPV6 IPV6 is only being deployed in Telcos Short Answer No How to Wireguard into my network? 10:50 FireJail FireJail (https://github.com/netblue30/firejail) Sandboxes applications using native Linux Kernel features Open Source Requires 3.x+ Kernel Bubblewrap (https://github.com/containers/bubblewrap) Alternative to FireJail Steve Ovens Talks/Articles Linux Namespaces (https://www.redhat.com/sysadmin/7-linux-namespaces) Mount Namespaces (https://www.redhat.com/sysadmin/mount-namespaces) Building Container Namespaces (https://www.redhat.com/sysadmin/building-container-namespaces) Cgroups Part One (https://www.redhat.com/sysadmin/cgroups-part-one) 14:00 Gadget of the week Orico Tool-Free USB 3.0 Enclosure (https://www.amazon.com/dp/B00A5323NO/ref=twister_B07C3NTZ9V?_encoding=UTF8&psc=1) 18:00 Networking Segment Caller Scooter Q: Sync Photos between Apple and Android Devices? A: Nextcloud Agent A: Piwigo (https://piwigo.org/) Q: Where can I find the Multipass app A: I will look into this A: Last resort chrome app Caller Tony Q: Rsync/backup advice A: Rsync A: ZFS send/receive A: Bacula (https://www.bacula.org/) A: SpiderOak (https://spideroak.com/) Q: Monitoring backups A: Librenms (https://www.librenms.org/) A: Site visits/manual What is an IP address What is my IP (https://www.whatismyip.com/) Type what is my IP in duckduckgo.com What is a Default Gateway Usually your router What is Bridge Mode All traffic gets passed through What is a MAC Address Unique hardware address Never changes Added to all packets What is a Subnet Mask How many computer are in a IP Range Class C Networks have 254 usable addresses How to separate large networks Use Subnets (no security) Use VLans Trouble Shooting Ping default gateway Check DNS DNS Phone Book for the internet Translates Domain Names to IP addresses Slower but Private DNS - Quad9, OpenDNS Faster but not Private - Google Static vs Dynamic IP addresses Dynamic is DHCP Reserve static address in DHCP server Wireguard YouTube Tutorial (https://www.youtube.com/watch?v=n00ayGUdCaI) Call to Action We will have community rooms/booths Matrix Chat (Element) will be used again this year SELF will be virtual this year, hosted again by yours truly! SELF Call for Talks (https://southeastlinuxfest.org/?nltr=MTE7MTIzMjtodHRwczovL2Zvcm1zLmdsZS9IeHoxNTRuS1NybkJXUkc0QTs7YmNmYmE5YmY2M2NmMDA5ODg5NWI3Y2ZlYjUzOGRkMzQ%3D) SELF dates June 10-12 Email volunteers@minddripmedia.com with your skill set and contact details -- The Extra Credit Section -- For links to the articles and material referenced in this week's episode check out this week's page from our podcast dashboard! This Episode's Podcast Dashboard (http://podcast.asknoahshow.com/226) Phone Systems for Ask Noah provided by Voxtelesys (http://www.voxtelesys.com/asknoah) Join us in our dedicated chatroom #GeekLab:linuxdelta.com on Matrix (https://element.linuxdelta.com/#/room/#geeklab:linuxdelta.com) -- Stay In Touch -- Find all the resources for this show on the Ask Noah Dashboard Ask Noah Dashboard (http://www.asknoahshow.com) Need more help than a radio show can offer? Altispeed provides commercial IT services and they’re excited to offer you a great deal for listening to the Ask Noah Show. Call today and ask about the discount for listeners of the Ask Noah Show! Altispeed Technologies (http://www.altispeed.com/) Contact Noah live [at] asknoahshow.com -- Twitter -- Noah - Kernellinux (https://twitter.com/kernellinux) Ask Noah Show (https://twitter.com/asknoahshow) Altispeed Technologies (https://twitter.com/altispeed)