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16%
Container Apps
02.10.2017
Home »  Articles  » 
 
can bring your own build infrastructure or use ours. When you install a snap for the first time, another small snap is also pulled down (at the time of writing, it’s around 85MB), known as the ... Canonical’s Snapcraft (Snappy) package manager creates self-contained applications that work across Linux distributions. We show you how to install, publish, and run a simple snap.
16%
Assess USB performance while exploring storage caching
13.12.2018
Home »  Archive  »  2018  »  Issue 48: Secur...  » 
Lead Image © Lucy Baldwin, 123RF.com
disk reads: 1306 MB in 3.00 seconds = 434.77 MB/sec federico@cybertron:~$ sudo hdparm -W /dev/sdb /dev/sdb: write-caching = 1 (on) federico@cybertron:~$ sudo hdparm -W 0 /dev/sdb /dev/sdb: write
16%
Magnum: Exploring OpenStack's Container API
08.10.2015
Home »  Archive  »  2015  »  Issue 29: Rescu...  » 
Lead Image © Ulrich M ller, 123RF.com
224984 49332 pts/30 S+ 12:20 0:16 /usr/bin/python /usr/bin/magnum-api stack 19844 0.0 1.4 228088 57308 pts/31 S+ 12:20 0:03 /usr/bin/python /usr/bin/magnum-conductor $ which magnum /bin
16%
Dig Deep into Kubernetes with StatusBay
29.09.2020
Home »  Archive  »  2020  »  Issue 59: Custo...  » 
Lead Image © Noel Powell, Fotolia.com
sitting at less than 50MB (and using less than half the RAM of a standard cluster) the binary that runs K3s is a sight to behold and well worth getting your hands on. Especially when it's deemed production
16%
Using rsync for Backups
07.01.2014
Home »  Articles  » 
 
:/home/laytonjb/TEST/ laytonjb@192.168.1.250's password: sending incremental file list ./ HPCTutorial.pdf Open-MPI-SC13-BOF.pdf PrintnFly_Denver_SC13.pdf easybuild_Python-BoF-SC12-lightning-talk.pdf sent
15%
Warewulf Cluster Manager – Administration and Monitoring
21.08.2012
Home »  HPC  »  Articles  » 
-cycle the node(s) and a new image is transferred. Otherwise, you have to worry about what bits and pieces of the OS are on which node, and you can end up with what is referred to as OS skew, in which no two nodes
15%
Warewulf Cluster Manager – Master and Compute Nodes
22.05.2012
Home »  HPC  »  Articles  » 
=newnodes Warewulf> provision set --lookup groups newnodes --vnfs=sl6.2 --bootstrap=2.6.32-220.el6.x86_64 Are you sure you want to make the following changes to 1 node(s): SET: BOOTSTRAP = 2.6.32-220
15%
A standard cloud computing API
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
total = summary.values.inject(0) { |sum, i| sum += i } 12 puts "Found #{total} instances in the following states:" 13 summary.keys.sort.each do |s| 14 printf "%20s %d\n", s, summary[s] 15 end 16 puts ... addresses this issue by offering a standardized API for infrastructure as a service (IaaS) clouds.
15%
I/O benchmarks with Fio
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© Kheng Ho Toh, 123RF.com
/0K /s] [4137 /0 iops] [eta 00m:06s] In the example, the first job is performing a sequential read, marked as r in square brackets, while Fio hasn't initialized the second job, marked as P
15%
A closer look at hard drives
18.07.2013
Home »  Archive  »  2013  »  Issue 15: What’...  » 
Lucy Baldwin, 123RF
of file deletions – resolving this problem in most configurations not involving RAID, which is still negatively affected. The /etc/fstab file shows that this partition is installed with Ubuntu 12.04's

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