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gyptazy<a href="https://mastodon.gyptazy.com/tags/Proxmox" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Proxmox</a> virtualization often goes along with the great Proxmox Backup Server - and we always want statistics! Let's get our metrics of PBS in Grafana!In this HowTo, we will quickly install and configure the pbs-exporter for hashtag#Prometheus on a Proxmox Backup Server system, add a token for the user and install the hashtag#Grafana dashboard. - <a href="https://mastodon.gyptazy.com/tags/devops" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#devops</a> <a href="https://mastodon.gyptazy.com/tags/homelab" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#homelab</a> <a href="https://mastodon.gyptazy.com/tags/netops" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#netops</a> <a href="https://mastodon.gyptazy.com/tags/virtualization" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#virtualization</a> <a href="https://mastodon.gyptazy.com/tags/backup" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#backup</a> <a href="https://mastodon.gyptazy.com/tags/pbs" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#pbs</a> <a href="https://mastodon.gyptazy.com/tags/proxmoxbackupserver" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#proxmoxbackupserver</a><a href="https://gyptazy.com/howto-proxmox-backup-server-prometheus-exporter-grafana-dashboard/" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://gyptazy.com/howto-proxmox-backup-server-prometheus-exporter-grafana-dashboard/</a>

WiresharkNew at SharkFest'24 EUROPE, Chris Greer & Ross Bagurdes are teaching a core Wireshark skills class!<a href="https://youtu.be/hPruLbqVfFY" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://youtu.be/hPruLbqVfFY</a>COURSE TITLE: Core Wireshark Skills for Network Engineers & Security ProsCOURSE SUMMARY: Throughout this course, we are going to look at real-world examples of how to practically use Wireshark to solve network problems and isolate cybersecurity incidents. This skill will help AllOps (NetOps, SecOps, DevOps) engineers to improve in their analysis and troubleshooting skills. Labs have been designed to give real-world, hands-on experience with protocols using Wireshark.MORE INFO: <a href="https://sharkfest.wireshark.org/sfeu" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://sharkfest.wireshark.org/sfeu</a><a href="https://ioc.exchange/tags/wireshark" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#wireshark</a> <a href="https://ioc.exchange/tags/networkanalysis" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#networkanalysis</a> <a href="https://ioc.exchange/tags/pcap" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#pcap</a> <a href="https://ioc.exchange/tags/packetanalysis" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#packetanalysis</a> <a href="https://ioc.exchange/tags/sharkfest" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#sharkfest</a> <a href="https://ioc.exchange/tags/cybersecurity" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#cybersecurity</a> <a href="https://ioc.exchange/tags/netops" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#netops</a> <a href="https://ioc.exchange/tags/devops" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#devops</a> <a href="https://ioc.exchange/tags/secops" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#secops</a>

WiresharkJoin Chris Greer (Packet Pioneer) & Ross Bagurdes at SharkFest'24 EUROPE 4-8 Nov in Vienna, Austria for a class you won't want to miss!<a href="https://www.youtube.com/watch?v=hPruLbqVfFY" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.youtube.com/watch?v=hPruLbqVfFY</a> <a href="https://sharkfest.wireshark.org/sfeu" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://sharkfest.wireshark.org/sfeu</a>COURSE TITLE: Core Wireshark Skills for Network Engineers & Security ProsCOURSE SUMMARY: Throughout this course, we are going to look at real-world examples of how to practically use Wireshark to solve network problems and isolate cybersecurity incidents. This skill will help AllOps (NetOps, SecOps, DevOps) engineers to improve in their analysis and troubleshooting skills. Labs have been designed to give real-world, hands-on experience with protocols using Wireshark.WHO IS THE COURSE FOR: Wireshark can be intimidating. I remember how it felt when I first started looking at a trace file with Wireshark. Questions started flooding into my mind: What should I look for? Where do I start? How can I find the packets that matter? What filters should I use? What is 'normal' and what can I ignore in all this data? I froze under the weight of all the detail in the packets. If you have ever felt that way when looking at a pcap, this is the course for you!MORE INFO: <a href="https://sharkfest.wireshark.org/sfeu" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://sharkfest.wireshark.org/sfeu</a><a href="https://ioc.exchange/tags/wireshark" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#wireshark</a> <a href="https://ioc.exchange/tags/networkanalysis" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#networkanalysis</a> <a href="https://ioc.exchange/tags/pcap" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#pcap</a> <a href="https://ioc.exchange/tags/packetanalysis" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#packetanalysis</a> <a href="https://ioc.exchange/tags/sharkfest" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#sharkfest</a> <a href="https://ioc.exchange/tags/cybersecurity" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#cybersecurity</a> <a href="https://ioc.exchange/tags/netops" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#netops</a> <a href="https://ioc.exchange/tags/devops" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#devops</a> <a href="https://ioc.exchange/tags/secops" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#secops</a>

WiresharkWe're thrilled to have Chris Greer and Ross Bagurdes starting off SharkFest'24 US with a Core Wireshark Skills pre-conference classIn this course, look at real-world examples of how to practically use <a href="https://ioc.exchange/tags/Wireshark" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Wireshark</a> to solve network problems and isolate <a href="https://ioc.exchange/tags/cybersecurity" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#cybersecurity</a> incidents. This skill will help AllOps (<a href="https://ioc.exchange/tags/NetOps" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#NetOps</a>, <a href="https://ioc.exchange/tags/SecOps" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#SecOps</a>, <a href="https://ioc.exchange/tags/DevOps" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#DevOps</a>) engineers to improve in their analysis and troubleshooting skills. Labs have been designed to give real-world, hands-on experience with protocols using Wireshark.Don't miss out, sign up today! <a href="https://sharkfest.wireshark.org/sfus" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://sharkfest.wireshark.org/sfus</a>

Trolli Schmittlauch 🦥Hat sich da <a href="https://toot.matereal.eu/tags/GroupOne" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#GroupOne</a> etwa eine IPv4 Routing Loop zwischen Frankfurt und Oberhausen gebaut? :blobhyperthink: <a href="https://toot.matereal.eu/tags/NetOps" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#NetOps</a>

gyptazyAlmost 10 yrs ago it already started w/ 3x <a href="https://gyptazy.ch/snac?t=hp" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#HP</a> <a href="https://gyptazy.ch/snac?t=dl385" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#DL385</a> G5 (3rd in another rack). Each of them w/ 64GB RAM and 2 CPU setup. Nowadays, even larger VMs already come with this amount of RAM. I love building my own and independent <a href="https://gyptazy.ch/snac?t=infrastructure" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#infrastructure</a> and <a href="https://gyptazy.ch/snac?t=as" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#AS</a>. <a href="https://gyptazy.ch/snac?t=datacenter" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#datacenter</a> <a href="https://gyptazy.ch/snac?t=dc" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#DC</a> <a href="https://gyptazy.ch/snac?t=sysops" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#SysOps</a> <a href="https://gyptazy.ch/snac?t=netops" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#NetOps</a> <a href="https://gyptazy.ch/snac?t=ipv6" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#IPv6</a>

Rev. GothAlice<a href="https://mas.to/@carnage4life" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@carnage4life</a> Using the Unbound "local caching DNS resolver" I point blocked domains (w/ subdomains) at a local Nginx web server which just responds to everything on any domain with a "200 OK, whatever you say" response, and point blocks at it using:local-zone: "twitter.com" redirect local-data: "twitter.com A 192.168.2.32"Ta-da. It and its subdomains no longer exist for me.<a href="https://marrow.haus/tags/netops" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#netops</a> <a href="https://marrow.haus/tags/sysops" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#sysops</a> <a href="https://marrow.haus/tags/birdsite" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#birdsite</a> <a href="https://marrow.haus/tags/dns" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#dns</a>

Rev. GothAlice<a href="https://mas.to/@carnage4life" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@carnage4life</a> I can just recommend to sysops and netops folks to do what I've done: blacklist the domain and all related domains at the network (i.e. DNS or NAT gateway/firewall) level.They might not be "federated", but that doesn't mean we can't "de-federate" them at a networking level. That'll also stop drive-by analytics; sites that embed non-toots from that other site.Sad that'll mostly impact news sites. …but they don't need to embed, either.<a href="https://marrow.haus/tags/feditips" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#feditips</a> <a href="https://marrow.haus/tags/fediblock" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#fediblock</a> <a href="https://marrow.haus/tags/netops" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#netops</a> <a href="https://marrow.haus/tags/sysops" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#sysops</a>

MediaWikiHow and why did Wikipedia became a multi-datacenter deployment?This is an introduction post chronicling our seven-year journey, the MediaWiki infrastructure improvements made along the way, and the reasons/benefits for each change.<a href="https://techblog.wikimedia.org/2023/05/08/around-the-world-how-wikipedia-became-a-multi-datacenter-deployment/" rel="nofollow noopener noreferrer" target="_blank">https://techblog.wikimedia.org/2023/05/08/around-the-world-how-wikipedia-became-a-multi-datacenter-deployment/</a><a href="https://wikis.world/tags/WebPerf" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#WebPerf</a> <a href="https://wikis.world/tags/PHP" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#PHP</a> <a href="https://wikis.world/tags/MediaWiki" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#MediaWiki</a> <a href="https://wikis.world/tags/MultiDC" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#MultiDC</a> <a href="https://wikis.world/tags/Wikitech" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Wikitech</a> <a href="https://wikis.world/tags/NetOps" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#NetOps</a> <a href="https://wikis.world/tags/CDN" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#CDN</a>

WiresharkRoss Bagurdes will be teaching a pre-conference class at SharkFest'23 US: "Learn <a href="https://ioc.exchange/tags/Wireshark" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Wireshark</a> Analyzer Intro & <a href="https://ioc.exchange/tags/TCP" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#TCP</a> Deep Dive for <a href="https://ioc.exchange/tags/NetOps" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#NetOps</a> and <a href="https://ioc.exchange/tags/SecOps" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#SecOps</a>". Throughout this course, look at real-world examples of how to practically use Wireshark to solve network problems and isolate <a href="https://ioc.exchange/tags/cybersecurity" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#cybersecurity</a> incidents. Sign up today and save on registration! <a href="https://sharkfest.wireshark.org" rel="nofollow noopener noreferrer" target="_blank">https://sharkfest.wireshark.org</a>

Timo TijhofI wrote about Wikipedia's HTTP/2 and SPDY deployment to its CDN and the regressions and benefits we found in page load time and other performance metrics.It took place back in 2016, but the topic came up recently and the caveats at scale are still somewhat undocumented. Enjoy!<a href="https://techblog.wikimedia.org/2022/11/04/http-2-performance-revisited/" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://techblog.wikimedia.org/2022/11/04/http-2-performance-revisited/</a><a href="https://fosstodon.org/tags/webperf" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#webperf</a> <a href="https://fosstodon.org/tags/http2" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#http2</a> <a href="https://fosstodon.org/tags/spdy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#spdy</a> <a href="https://fosstodon.org/tags/http3" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#http3</a> <a href="https://fosstodon.org/tags/cdn" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#cdn</a> <a href="https://fosstodon.org/tags/NetOps" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#NetOps</a>

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