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42%
Questions about the present and future of OpenStack
28.11.2022
Home »  Archive  »  2022  »  Issue 72: OpenS...  » 
Photo by Julien DI MAJO on Unsplash
customers. Is that right? TC: It's really both. In June we held our first in-person event since the pandemic, the OpenInfra Summit in Berlin [1]. We met one new user after another, many of them running
42%
Network virtualization with OpenDaylight
03.12.2015
Home »  Archive  »  2015  »  Issue 30: OpenD...  » 
Lead Image © Juthamas Oonhawat, 123RF.com
introduces you to the structure based on a sample scenario. Google and Facebook provide examples of the need to manage data streams on networks in a targeted way. The legacy network architecture was unable
42%
Finding and recording memory errors
11.04.2016
Home »  Archive  »  2016  »  Issue 32: Measu...  » 
Lead Image © lightwise, 123RF.com
difference. The upper number is just about one error per gigabit of memory per hour. The lower number indicates roughly one error every 1,000 years per gigabit of memory. A Linux kernel module called EDAC [4
42%
Accessing Fortran code with Python
05.12.2019
Home »  Archive  »  2019  »  Issue 54: NVMe...  » 
Lead Image © Kheng Ho Toh, , 123RF.com
a shared object (.so) suitable for Python to import: $ ls -s total 120 112 secretcode.cpython-37m-x86_64-linux-gnu.so 4 secret.f90 4 secret.pyf To test the code, run python3 (Listing 4). Remember
42%
Bpfilter offers a new approach to packet filtering in Linux
09.04.2019
Home »  Archive  »  2019  »  Issue 50: Bpfilter  » 
Lead Image © alphaspirit, 123RF.com
(Figure 3). Figure 3: Bpfilter can theoretically process many more packets than iptables – once it gets going. Industry giants like Facebook or Google
42%
FreeRADIUS for WiFi hotspots
20.03.2014
Home »  Archive  »  2014  »  Issue 19: Perim...  » 
Lead Image © Tyler Olson, 123RF.com
. RADIUS typically runs as a service on Linux (service freeradius start), or you can use the radiusd or freeradius command, depending on your distribution. The FreeRADIUS server then listens for all requests
42%
Zabbix release 2.2
20.05.2014
Home »  Archive  »  2014  »  Issue 20: IPv6...  » 
Lead Image © bowie15, 123RF.com
, and ctype in place. Additionally, an unprivileged zabbix user is necessary for the Zabbix daemon. If you want the server and agent to run on the same machine – for example, to include the server itself
42%
Cloud Foundry realizes a service mesh
02.06.2020
Home »  Archive  »  2020  »  Issue 57: Artif...  » 
Lead Image © lightwise, 123RF.com
. Instead, users have to run curl commands against the APIs. Because the Cloud Foundry service mesh is still in beta, not every Cloud Foundry provider supports it yet. However, if you have the provider's own
42%
Artificial intelligence improves monitoring
02.06.2020
Home »  Archive  »  2020  »  Issue 57: Artif...  » 
Photo by Ivan F on Unsplash
with hard disk latencies, the version store size (bottom right), and the longest running transaction provides a more accurate picture and explains the processor load
42%
Cross-platform database management with DBeaver
01.08.2019
Home »  Archive  »  2019  »  Issue 52: Stop...  » 
Lead Image © Erwin Wodicka, Fotolia.com
-not-exists flathub Now your Ubuntu installation is all set to install Flatpak apps. If you aren't running Ubuntu, follow the instructions for your distribution on the Flatpak website [4] to enable it to install

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