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43%
HPC Storage – I/O Profiling
26.01.2012
Home »  HPC  »  Articles  » 
. rMB/s: Number of megabytes read from the device per second. wMB/s: Number of megabytes written to the device per second. avgrq-sz: Average size (in sectors) of the requests issued to the device
43%
Application virtualization with Docker
08.10.2015
Home »  Archive  »  2015  »  Issue 29: Rescu...  » 
Lead Image © Oleksiy Mark, 123RF.com
. Container 2.0 with Docker Docker is a real shooting star. The first public release only arrived on the market in March 2013, but today it is supported by many well-known companies. It is, for example
43%
Clustering with OpenAIS and Corosync
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
brunoilfo, 123RF.com
Suite (RHCS) and use CMAN as their Cluster Manager. Depending on the version you use, the implementation will look total different. The initial variant (version 1.0) included with RHEL 4 or very old
43%
Nmon: All-Purpose Admin Tool
17.12.2014
Home »  HPC  »  Articles  » 
.6%, with the remaining 0.4% devoted to system time. On the right-hand side of the display is an ASCII chart of CPU percentages for each core, with the legend running along the top of the chart. User time is shown with U
43%
Setting up HTTP/2 for Nginx
25.03.2021
Home »  Archive  »  2021  »  Issue 62: Lean...  » 
Photo by Ludomil Sawicki on Unsplash
(Listing 1), which indicates a push. Listing 1 Server Push in Log 2020-11-22T12:01:10+01:00 1606042870.567 200 605 h2 "GET /index.html HTTP/2.0" 2020-11-22T12:01:10+01:00 1606042870.567 200
43%
Live migration of virtual machines with KVM
13.06.2016
Home »  Archive  »  2016  »  Issue 33: IPv6...  » 
Lead Image © SV-Luma, 123RF.com
to allow the no_root_squash option. A line for this purpose in /etc/exports would look like this: /nfs 192.168.1.0/ 24(rw,no_root_squash) It allows all the computers on the 192.168.1.0 network to mount
43%
Kernel and driver development for the Linux kernel
07.10.2014
Home »  Archive  »  2014  »  Issue 23: 10 Ti...  » 
Lead Image © psdesign1, Fotolia.com
_string; 08 09 static int prochello_show( struct seq_file *m, void *v ) 10 { 11 int error = 0; 12 13 error = seq_printf( m, "%s\n", output_string); 14 return error; 15 } 16 17 static int prochello
43%
Monitoring container clusters with Prometheus
09.10.2017
Home »  Archive  »  2017  »  Issue 41: Kuber...  » 
Lead Image © Guido Vrola, 123RF.com
in turn stores as a separate time series. The software can already cope with millions of time series, yet version 2.0 [6] should cover more extreme Kubernetes environments with thousands of nodes
43%
Automated OpenStack instance configuration with cloud-init and metadata service
05.02.2019
Home »  Archive  »  2019  »  Issue 49: Anato...  » 
Lead Image © jeka81, 123RF.com
', 'makecache'] with allowed return codes [0] (shell=False, capture=False) ... 2018-10-17 22:00:06,125 - util.py[DEBUG]: Running command ['yum', '-t', '-y', 'upgrade'] with allowed return codes [0] (shell
43%
Automating command execution across servers
01.06.2024
Home »  Archive  »  2024  »  Issue 81: Load...  » 
Photo by Adrian Hartanto on Unsplash
# A single task is defined, which by default will 20 # run only against "devuan" hosts. 21 tasks: 22 upgradeall: 23 desc: Upgrade all packages 24 target: 25 tags: [devuan] 26 cmd: | 27

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