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20%
Warewulf Cluster Manager – Completing the Environment
20.06.2012
Home »  HPC  »  Articles  » 
a mountpoint for the VNFS that will be NFS-mounted from the master node. [root@test1 ~]# cd /var/chroots/sl6.2 [root@test1 sl6.2]# mkdir vnfs [root@test1 sl6.2]# ls -s total 88 4 bin 4 dev 0 fastboot 4 ... Warewulf Cluster Manager – Part 2
19%
When I/O workloads don't perform
02.08.2021
Home »  Archive  »  2021  »  Issue 64: Bare...  » 
Lead Image © Viacheslav Iakobchuk, 123RF.com
%steal %idle 0.79 0.07 1.19 2.89 0.00 95.06 Device r/s w/s rkB/s wkB/s rrqm/s wrqm/s %rrqm %wrqm r_await w_await aqu-sz rareq-sz wareq-sz svctm ... Every now and then, you find yourself in a situation where you expect better performance from your data storage drives. Either they once performed very well and one day just stopped, or they came
16%
Domain-driven design and agile development
28.11.2023
Home »  Archive  »  2023  »  Issue 78: Domai...  » 
Lead Image © omnimages, 123RF.com
business processes [2]. Each sticky note contains an event from the domain (e.g., Order received ) that clarifies the process flow. In practice, the method even works for more complex processes; you just ... synergies; in some cases, they even aim for the same targets.
16%
Program from one source to many apps with Flutter
07.04.2022
Home »  Archive  »  2022  »  Issue 68: Autom...  » 
Photo by Pynkhlainborlang Khongwar on Unsplash
().replaceFirst('T', ' ').replaceRange(w.date!.toIso8601String().lastIndexOf('.')-1, w.date!.toIso8601String().lastIndexOf('0'), ''); 113 }); 114 } 115 116 @override 117 Widget build(BuildContext context) { 118 return ... Developing apps in the past for Android, iOS, the web browser, and the desktop meant having to write different versions of the code; however, that's no longer the case thanks to Google's Flutter
16%
Portable home directory with state-of-the-art security
03.02.2022
Home »  Archive  »  2022  »  Issue 67: syst...  » 
Lead Image © SOMYOT TECHAPUWAPAT , 123RF.com
. Encryption by means of a certificate or multifactor access control (e.g., FIDO2 in addition to the password) is more useful, preventing data leaks even if the stick and the password fall into the hands ... The systemd Homed service makes it easy to move your home directory, and FIDO2 or PKCS#11 can secure the stored files.
16%
Secure remote access and web applications with two-factor authentication
16.05.2013
Home »  Archive  »  2013  »  Issue 14: Samba 4  » 
© maigi, 123rf.com
: The Mydigipass.com cloud application enriches web applications with two-factor authentication. OAuth API Mydigipass.com provides a standardized interface in the form of the OAuth 2.0 API [20 ... potential approaches for common use cases.
15%
New features in jQuery 3
11.10.2016
Home »  Archive  »  2016  »  Issue 35: Persi...  » 
Lead Image © Marc Dietrich, 123RF.com
Query themselves. A W3Techs [2] statistic even suggests that jQuery is used on two-thirds of all websites worldwide. Dismantling On June 9, 2016, the developers released jQuery version 3.0 [3]; an update followed ... The functions and objects of the jQuery JavaScript library make the work of web developers much easier. Although jQuery 3 remains largely compatible with version 2, some changes might prevent its use.
14%
Five free wiki platforms reviewed
20.06.2022
Home »  Archive  »  2022  »  Issue 69: Terra...  » 
Photo by Mariia Zakatiura on Unsplash
meager. In most cases, you just need a web server and a database server. Some systems can even manage without a database. The learning curve for users is also low because the Markdown syntax for text can ... for different use cases on the local network.
14%
Discovering SQL injection vulnerabilities
14.03.2013
Home »  Archive  »  2013  »  Issue 13: IPv6...  » 
© Mika Specta, 123RF.com
Within a couple of hours, an experienced Internet attack specialist can bring your server infrastructure to its knees. In many cases, the barn door through which the attackers gain entry ... cases, SQL injection was the root cause of a server's compromise.
14%
High-availability workshop: GFS with DRBD and Pacemaker
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Maxim Borovkov, 123RF.com
. On the other hand, you need to tell DRBD what to do if a split-brain situation occurs by adding following lines after-sb-0pri discard-zero-changes; after-sb-1pri discard-secondary; after-sb-2pri disconnect ... Cl uster filesystems such as GFS2 and OCFS2 allow many clients simultaneous access to a storage device. Along with DRBD and Pacemaker, this offers a low-budget option for creating a redundant service

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