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20%
Processor and Memory Metrics
12.02.2014
Home »  HPC  »  Articles  » 
) irq  (Linux, FreeBSD) softirq  (Linux) steal  (Linux ≥ 2.6.11) guest  (Linux ≥ 2.6.24) guest_nice  (Linux ≥ 3.2.0) The Python code for gathering CPU statistics isn’t too difficult: I
20%
OpenStack installation with the Packstack installer
16.08.2018
Home »  Archive  »  2018  »  Issue 46: CMS S...  » 
Lead Image © Tom Wang, Fotolia.com
| heat | orchestration | | 6e2c0431b52c417f939dc71fd606d847 | cinderv3 | volumev3 | | 76f57a7d34d649d7a9652e0a2475d96a | cinderv2 | volumev2 | | 7702f8e926cf4227857ddca46b3b328f
20%
Tuning I/O Patterns in Python
18.12.2013
Home »  HPC  »  Articles  » 
(One-by-One) 1 #include 2 3 /* Our structure */ 4 struct rec 5 { 6 int x,y,z; 7 float value; 8 }; 9 10 int main() 11 { 12 int counter; 13 struct rec my_record; 14 int counter_limit; 15
20%
News for admins
11.02.2016
Home »  Archive  »  2016  »  Issue 31: Tunin...  » 
 
of all IT infrastructure money is now spent on the cloud. The Worldwide Quarterly Cloud IT Infrastructure Tracker says a total of $7.6 billion was spent in the third quarter of 2015. The total cloud
20%
Attack and defense techniques
03.02.2022
Home »  Archive  »  2022  »  Issue 67: syst...  » 
Photo by Artem Bryzgalov on Unsplash
to vulnerabilities, and also developed STIX and CyBox, which are used to exchange threat information and attack indicators. The MITRE ATT&CK and D3FEND knowledge databases offer techniques that let you retrace ... The MITRE ATT&CK and D3FEND knowledge databases provide useful techniques for securing your IT infrastructure. ... MITRE ATT&CK & D3FEND
20%
HDF5 and Parallel I/O
17.05.2017
Home »  HPC  »  Articles  » 
, 5 ) / ( 8, 5 ) }       DATA {       (0,0): 0, 1, 2, 3, 4,       (1,0): 5, 6, 7, 8, 9,       (2,0): 10, 11, 12, 13, 14,       (3,0): 15, 16, 17, 18, 19,       (4,0): 20, 21, 22, 23, 24,       (5,0): 25, 26, 27, 28, 29,       (6
20%
Translation tool with version control
07.06.2019
Home »  Archive  »  2019  »  Issue 51: Self-...  » 
Lead Image © Yang MingQi; 123RF.com
Hub [2]. The Git repositories can also be installed directly in OpenShift. The setup is described in detail in the Weblate documentation [3]. Weblate also offers a hosted version [4], in which the setup
20%
Lean on Logwatch
17.02.2015
Home »  Archive  »  2015  »  Issue 25: Safe...  » 
Lead Image © MuharremZengin, 123RF.com
NEW packages will be installed: libdate-manip-perl libyaml-syck-perl logwatch As a result, about 12.5MB of new software is installed. Logwatch gets configuration details several ways: from script
20%
Filesystem Murder Mystery
09.04.2019
Home »  Archive  »  2019  »  Issue 50: Bpfilter  » 
Lead Image © Lucy Baldwin, 123RF.com
unexplained delays of a few seconds while renaming some gigabyte-sized files [2] on a fast cloud instance [3]. I was able to reproduce his result in an AWS EC2 m5d.large instance running Ubuntu Server 18
20%
Live snapshots with Virtual Machine Manager
20.05.2014
Home »  Archive  »  2014  »  Issue 20: IPv6...  » 
Lead Image © Iryna Denysova, 123RF.com
in the graphical front end, Virtual Machine Manager (VMM) [1]. In general, Qemu [2] or libvirt [3] distinguish between internal and external snapshots. For internal snapshots, libvirt freezes the complete state

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