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28.06.2011

Home » CloudAge » Articles »

When Canonical released Ubuntu 9.04 a couple or years ago, they took their first step into the rapidly growing business of cloud computing. As I write, Ubuntu's Natty Narwhal, release 11.04 is just

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Persistent Memory

14.01.2016

Home » HPC » Articles »

DRAM. At the extreme, you can pretty much buy systems with 1-2TB of memory, but you probably don't buy too many of them because of cost. Typical compute nodes are in the 64-256GB range. Persistent memory

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How persistent memory will change computing

03.12.2015

Home » Archive » 2015 » Issue 30: OpenD... »

than DRAM. At the extreme, you can pretty much buy systems with 1-2TB of memory, but you probably don't buy too many of them because of cost. Typical compute nodes are in the 64-256GB range. Persistent

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Monitor Your Nodes with collectl

28.03.2012

Home » HPC » Articles »

2 4 24 12 0 12 2 0 sda 0 0 0 0 0 0 0 0 0 0 0 20120310 13:39:20 sdb 0 0 0 1 3 17 12 0 27 8 1 sda 0 0 0 0 0 0 0 0 0 0 0 20120310 13:39:30 sdb 0 0 0 0 0 0 0 0 0 0 0 sda 0 0 0 0 0 0 0 0 0 0 0 20120310 13

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Many Clouds, One API

22.08.2011

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.keys.sort.each do |s| 14 printf "%20s %d\n", s, summary[s] 15 end 16 puts "Polling for changes (Ctrl-C to end)" 17 loop do 18 sleep 2 19 client.instances.each do |inst| 20 if state[inst.id] != inst.state 21

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Moving your data – It's not always pretty

18.07.2013

Home » Archive » 2013 » Issue 15: What’... »

to NFS-export the storage to the data mover. Then, just copy the data between mountpoints. For example: $ cp -a --preserve=all -r /old_storage/data /new_storage/data Be warned that if you use NFS, you

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Moving HPC to the Cloud

19.10.2012

Home » HPC » Articles »

12-core AMD processors ranging in speed from 2.2 to 2.9GHz with 24 to 128GB of RAM per server and up to 1TB of scratch local storage per node. Getting applications running POD HPC clouds can be quite

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Retrieving Windows performance data in PowerShell

10.04.2015

Home » Archive » 2015 » Issue 26: OpenS... »

Number: 00282-30340-00000-AB9A5 Version: 6.3.9600 The information you read from the operating system can also be formatted and customized. For example, normally only the operating system's most

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Flatpak, Snap, and AppImage

09.06.2018

Home » Archive » 2018 » Issue 45: Autom... »

as the kernel and all other processes. Isolation from the rest of the environment only occurs if you take care of this yourself with tools such as chroot [8], SELinux [9], or AppArmor [10]. Flatpak's structure

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Automate CentOS and RHEL installation with PXE

02.02.2021

Home » Archive » 2021 » Issue 61: Secur... »

timezone 19 timezone Europe/Vienna --isUtc --ntpservers 172.23.48.8,172.23.48.9 20 # user setup 21 user --name=example-user --password= --iscrypted --gecos="example-user" 22 # Disk partitioning

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