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24%
Why Good Applications Don’t Scale
13.10.2020
Home »  HPC  »  Articles  » 
You ha ve parallelized your serial application ,  but as you use more cores you are  n o t seeing any improvement  in performance . What gives? ... a : Notice that the denominator is now a function of n 2. From Equation 8 you can plot the speedup. As with the previous problem, assume a parallel portion p = 0.8, leaving a serial portion s = 0 ... You  ha ve parallelized your serial application ,  but as you use more cores you are  n o t seeing any improvement  in performance . What gives?
24%
Automated builds using CentOS 7 and Kickstart
17.02.2015
Home »  Archive  »  2015  »  Issue 25: Safe...  » 
Lead Image © Icetray, fotolia.com
. Here are the steps involved in installing CentOS 7: 1. Download the ISO [2]. 2. Burn the ISO to DVD. 3. Configure the server to boot from DVD. 4. Start the install. Once the server boots, you'll see
24%
Creating a private apt repository with reprepro
12.09.2013
Home »  Archive  »  2013  »  Issue 16: Docker  » 
Lead Image © binkski, 123RF.com
be authenticated! 07 tkmon 08 Install these packages without verification [y/N]? n 09 E: Some packages could not be authenticated 10 $ wget -O - https://192.168.56.102/tk-archive.gpg.pub | sudo apt-key add - 11
24%
DevSecOps with DefectDojo
03.04.2024
Home »  Archive  »  2024  »  Issue 80: Threa...  » 
Lead Image © Aleksey Mnogosmyslov, 123RF.com
credentials. the initializer can take up to 3 minutes to run 08 # use docker-compose logs -f initializer to track progress 09 docker-compose logs initializer ? grep "Admin password:" First, run
24%
Solving the security problems of encrypted DNS
25.03.2020
Home »  Archive  »  2020  »  Issue 56: Secur...  » 
Lead Image © Leo Blanchette, 123RF.com
2fuTVWnj7LDsEh3NzrhjGYlhWmtvrXg3mlFelz/MZ 08 XrK6uAlp6206Hc669ylfhIcD9d7w0rc9Ms1DFCh5wzVRbnJJF51mW2nC 09 mh5C8E7xSw== 10 mozilla.org. 6074 IN DNSKEY 256 3 7 11 AwEAAcY1VDPt
24%
A watchdog for every modern *ix server
25.09.2023
Home »  Archive  »  2023  »  Issue 77: Secur...  » 
Photo by Sudhith Xavier on Unsplash
guest 82a84,88 > > tee /etc/.htpasswd <<'EOF' > guest:$apr1$gz4n7s6o$P.O/V1k9rZuV9nN/5lh3l0 > admin:$apr1$esczj7wu$ffu/6j8vETMAMJaVTKn7a1 > EOF Monit is configured to load service
24%
Installing and operating the Graylog SIEM solution
13.12.2018
Home »  Archive  »  2018  »  Issue 48: Secur...  » 
Lead Image © Leo Blanchette, 123RF.com
"$file" ]; then 05 touch /tmp/listner.log 06 fi 07 tail -n 0 -F /db/oraclese/product/diag/tnslsnr/pics-db11/listener/trace/listener.log | while read LINE 08 do 09 echo "\"host:\" "\"picsdb\", \"message
24%
Linux device mapper writecache
30.01.2020
Home »  Archive  »  2020  »  Issue 55: AWS L...  » 
Lead Image © lightwise, 123R.com
Zhao through his summer internship at IBM Research. The dm-cache module was integrated into the Linux kernel tree as of version 3.9. It is an all-purpose caching module and is written and designed to run
24%
New features in Windows Terminal Preview
03.02.2022
Home »  Archive  »  2022  »  Issue 67: syst...  » 
Photo by Mohamed Shaffaf on Unsplash
Terminal Preview in Microsoft Store: https://www.microsoft.com/en-us/p/windows-terminal-preview/9n8g5rfz9xk3 Windows Terminal Preview on GitHub: https://github.com/microsoft/terminal/releases More
24%
Registry for Docker images
01.08.2019
Home »  Archive  »  2019  »  Issue 52: Stop...  » 
Lead Image © Viktoriya Malova, 123RF.com
Registry-Config ¸bereinstimmen! 07 expiration: 900 08 users: 09 # Password is specified as a BCrypt hash. Use `htpasswd -nB USERNAME` to generate. 10 "oliver": 11 password: "$2y$05

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