Jabber vs. XMPP
XMPP is widely – and mabye better – known as Jabber. This was more or less the same until Cisco bought Jabber Inc and the trademark. You can read more about the story on the XMPP.org website. But is there… Read moreJabber vs. XMPP
XMPP: ejabberd Project on the-federation.info
For those interested in alternative social networks there is that website that is called the-federation.info, which collects some statistics of “The Fediverse”. The biggest part of the fediverse is Mastodon, but there are other projects (or parts) like Friendica or… Read moreXMPP: ejabberd Project on the-federation.info
XMPP – Getting Started…
When you a new to XMPP and just installed your client and connected to some XMPP server, you will notice: there is no contact for you to chat with! This is contrary to Facebook, WhatsApp or Signal where you upload… Read moreXMPP – Getting Started…
XMPP – Fun with Clients
As I already wrote in my last blog post there’s much development in XMPP, not only on the server side, but also on the client side. It’s surely not exaggerated to say that Conversations on Android is the de-facto standard… Read moreXMPP – Fun with Clients
XMPP – Prosody & Ejabberd
In my day job I’m responsible of maintaining the VoIP and XMPP infrastructure. That’s about approx. 40.000 phones and several thousand users using Enterprise XMPP software. Namely it is Cisco CUCM and IM&P on the server side and Cisco Jabber… Read moreXMPP – Prosody & Ejabberd
EU-Wahl, Klima, CDU und Youtube
Nächste Woche am 26. Mai ist EU-Wahl (und in Rostock auch noch Kommunal- und Oberbürgermeisterwahl). Am 24. Mai sind wieder weltweit Demos von “Fridays for Future”, bei dem die Schülerinnen und Schüler, die größtenteils nicht an der EU-Wahl teilnehmen dürfen,… Read moreEU-Wahl, Klima, CDU und Youtube
#FridaysForFuture in #Rostock
Heute fanden in vielen, vielen Städten weltweit Demos gegen den Klimawandel unter dem Motto #FridaysForFuture statt. Auch in Rostock. Und zwar quasi arbeitnehmerfreundlich um 12 Uhr am Kröpeliner Tor, so daß ich heute einfach ein bißchen die Mittagspause ausdehnte musste,um… Read more#FridaysForFuture in #Rostock
Too much disk IO on sda in RAID10 setup – part 2
Some days ago I blogged about my issue with one of the disks in my server having a high utilization and latency. There have been several ideas and guesses what the reason might be, but I think I found the… Read moreToo much disk IO on sda in RAID10 setup – part 2
Too much disk IO on sda in RAID10 setup
I have a RAID10 setup with 4x 2 TB WD Red disks in my server. Although the setup works fairly well and has enough throughput there is one strange issue with that setup: /dev/sda has more utilzation/load than the other… Read moreToo much disk IO on sda in RAID10 setup
Adding NVMe to Server
My server runs on a RAID10 of 4x WD RAID 2 TB disks. Basically those disks are fast enough to cope with the disk load of the virtual machines (VMs). But since many users moved away from Facebook and Google,… Read moreAdding NVMe to Server