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30%
Using a Bash script to mirror external monitors
10.06.2015
Home »  Archive  »  2015  »  Issue 27: Fault...  » 
Lead Image © bowie15, 123RF.com
-from 1600x900 This command mirrors my laptop screen on the external display and scales the image from the native 1,600x900 resolution on my laptop to a native 1,900x1,200 resolution on the external display
30%
JMeter tests loads and measures performance of static and dynamic resources
28.11.2021
Home »  Archive  »  2021  »  Issue 66: Inci...  » 
Photo by CHUTTERSNAP on Unsplash
right-click on  HTTP Request in the left pane and choose Add | Assertions | Response Assertion . Most often you are interested in whether the server returned success code 200 , but under certain
30%
Sort out your SSH configs
07.10.2014
Home »  Archive  »  2014  »  Issue 23: 10 Ti...  » 
Lead Image © saniphoto, fotolia.com
; only your explicitly allowed IP addresses present in /etc/hosts.allow can get that far. Another useful precaution is to kick people off the server who have been idle for 20 minutes (i.e., 1,200 seconds
30%
Test your system to help fight phishing attacks
22.05.2023
Home »  Archive  »  2023  »  Issue 75: Teamwork  » 
Photo by David Clode on Unsplash
professional manner, at more than EUR 200 billion (~$163 billion) [1]. Although most companies focus their security campaigns on hardening their own infrastructures, they overlook the fact that the real threats
30%
Set up subdomains with Apache and Nginx
25.03.2021
Home »  Archive  »  2021  »  Issue 62: Lean...  » 
Lead Image © Saniphoto, Fotolia.com
curl -I http://www.example1.de should then generate the output from Listing 6. Listing 6 Accessing a Redirected Website HTTP/1.1 200 OK Date: Sat, 28 Nov 2020 08:25:05 GMT Server: Apache
30%
Central logging for Kubernetes users
30.01.2020
Home »  Archive  »  2020  »  Issue 55: AWS L...  » 
Lead Image © zlajo, 123RF.com
labels for certain values: An http_return_codes metric could have a value label, which in turn takes tags of 200, 403, 404, and so on. Ultimately, labels help admins keep the total number of all metrics
30%
Selecting compilers for a supercomputer
18.02.2018
Home »  Archive  »  2018  »  Issue 43: Real...  » 
Lead Image Photo by Michal Kmet on Unsplash
with approximately 8,200 cores each, and six newer islands with 14,300 cores each. It achieves a speed of around 6 petaFLOPS (10^15 floating-point operations per second). In total, almost 500TB of main memory
30%
Activate HTTP/2 on web servers
11.10.2016
Home »  Archive  »  2016  »  Issue 35: Persi...  » 
Lead Image © Soloviova Liudmyla, 123RF.com
with the message: 10.0.0.1 - - [21/Dec/2015:05:46:30 -0500] "GET /tile-399.jpg HTTP/2.0" 200 846 "https://10.0.0.31/" ... Figure 2: A blue lightning bolt icon
30%
News for Admins
03.04.2024
Home »  Archive  »  2024  »  Issue 80: Threa...  » 
 
to the European Commission. Read more at SDxCentral: https://www.sdxcentral.com/articles/news/eu-invests-200m-in-quantum-technology-to-secure-communications-networks/2024/01/. NIST Identifies Main Types
30%
Azure Application Gateway load distribution tool
03.04.2024
Home »  Archive  »  2024  »  Issue 80: Threa...  » 
Lead Image © foodandmore, 123RF.com
, a health check sends regular requests to a user-specified URL and monitors whether or not the back-end instance sends the expected HTTP response (e.g., a status code of 200 or a specific character string

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