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21%
A Brief History of Supercomputers
21.01.2021
Home »  HPC  »  Articles  » 
. The initial processor speed was 300MHz. Future processors used 450, 600, and even 675MHz. Similar to the T3D, the T3E could scale from 8 to 2,176 PEs, and each PE had between 64MB and 2GB of memory. The T3D
21%
Operating systems for the cloud and containers
14.08.2017
Home »  Archive  »  2017  »  Issue 40: Lean...  » 
Lead Image © leeavison, 123RF.com
storage is handled by the almost venerable ext3. The use of BusyBox [11] for most executable programs and of Dropbear [12] as the SSH daemon is the logical consequence of the Buildroot underpinnings
21%
Warewulf 4
13.12.2022
Home »  HPC  »  Articles  » 
: Warewulf Installation $ sudo yum install -y https://repo.ctrliq.com/rhel/8/ciq-release.rpm $ yum install -y warewulf   CIQ Stable                                                        12 kB/s |  32 k
21%
Tips and Tricks for Containers
12.05.2020
Home »  HPC  »  Articles  » 
. done. Processing triggers for install-info (6.5.0.dfsg.1-2) ... Processing triggers for libgdk-pixbuf2.0-0:amd64 (2.36.11-2) ... Now, I'll make sure Octave is installed: root@c31656cbd380:/# octave
21%
Program GUIs in Go with Fyne
28.11.2021
Home »  Archive  »  2021  »  Issue 66: Inci...  » 
Photo by Santoshi Guruju on Unsplash
" 06 "fyne.io/fyne/v2/widget" 07 ) 08 09 func main() { 10 a := app.New() 11 w := a.NewWindow("") <b>12</b> w.Resize(fyne.NewSize(<b>200</b>, <b>200</b>)) 13 w.SetContent(widget.NewLabel("Hello World!")) 14</div> <div class="clear"></div> </div> <div class="view"> <div class="percent">21%</div> <div class="title"><a href="/HPC/Articles/Warewulf-4-Code/Listing-1/(language)/eng-US">Listing 1</a></div> <div class="clear"></div> <div class="date">21.08.2012</div> <div class="breadcrumb_only" itemscope itemtype="http://data-vocabulary.org/Breadcrumb"> Home <span class="separator">»</span>  <span itemprop="url"> <span itemprop="title"> <a onclick="_gaq.push(['_trackEvent', '', 'HPC', 'text-link'])" href="/HPC">HPC</a> </span> </span>  <span class="separator">»</span>  <span itemprop="url"> <span itemprop="title"> <a onclick="_gaq.push(['_trackEvent', '', 'Articles', 'text-link'])" href="/HPC/Articles">Articles</a> </span> </span>  <span class="separator">»</span>  <span itemprop="url"> <span itemprop="title"> <a onclick="_gaq.push(['_trackEvent', '', 'Warewulf 4 Code', 'text-link'])" href="/HPC/Articles/Warewulf-4-Code">Warewulf 4 Code</a> </span> </span>  <span class="separator">»</span>  <span class="path" itemprop="url"> <span itemprop="title"> <a onclick="_gaq.push(['_trackEvent', '', '', 'text-link'])" href="/HPC/Articles/Warewulf-4-Code/Listing-1"></a> </span> </span> </div> <div class="clear"></div> <div class="attribute-image"> </div> <div class="text"> ==================================================================== Install       2 Package(s) Total download size: 106 k Installed size: 187 k Downloading Packages: (<b>1/2</b>): gkrellm-daemon-2.3.5-3.el6.x86_64.rpm      |  69 kB     00:00 (<b>2/2</b>): lm_sensors-libs-3.1.1-10.el6.x</div> <div class="clear"></div> </div> <div class="view"> <div class="percent">21%</div> <div class="title"><a href="/HPC/Articles/Rethinking-RAID-on-Linux/(language)/eng-US">Rethinking RAID (on Linux)</a></div> <div class="clear"></div> <div class="date">16.03.2021</div> <div class="breadcrumb_only" itemscope itemtype="http://data-vocabulary.org/Breadcrumb"> Home <span class="separator">»</span>  <span itemprop="url"> <span itemprop="title"> <a onclick="_gaq.push(['_trackEvent', '', 'HPC', 'text-link'])" href="/HPC">HPC</a> </span> </span>  <span class="separator">»</span>  <span itemprop="url"> <span itemprop="title"> <a onclick="_gaq.push(['_trackEvent', '', 'Articles', 'text-link'])" href="/HPC/Articles">Articles</a> </span> </span>  <span class="separator">»</span>  <span class="path" itemprop="url"> <span itemprop="title"> <a onclick="_gaq.push(['_trackEvent', '', '', 'text-link'])" href="/HPC/Articles/Rethinking-RAID-on-Linux"></a> </span> </span> </div> <div class="clear"></div> <div class="attribute-image"><a href="/HPC/Articles/Rethinking-RAID-on-Linux/(language)/eng-US"> <img src="/var/ezflow_site/storage/images/hpc/articles/rethinking-raid-on-linux/181697-12-eng-US/Rethinking-RAID-on-Linux_small.jpg" itemprop="image" alt=""> </a></div> <div class="text"> RAID Status cat /proc/mdstat Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] [raid10] md0 : active raid1 sdd1[1] sdc1[0]       244065408 blocks super <b>1.2</b> [<b>2/2</b>] [UU</div> <div class="clear"></div> </div> <div class="view"> <div class="percent">20%</div> <div class="title"><a href="/HPC/Articles/Warewulf-4-Time-and-Resource-Management/(language)/eng-US">Warewulf 4 – Time and Resource Management</a></div> <div class="clear"></div> <div class="date">17.01.2023</div> <div class="breadcrumb_only" itemscope itemtype="http://data-vocabulary.org/Breadcrumb"> Home <span class="separator">»</span>  <span itemprop="url"> <span itemprop="title"> <a onclick="_gaq.push(['_trackEvent', '', 'HPC', 'text-link'])" href="/HPC">HPC</a> </span> </span>  <span class="separator">»</span>  <span itemprop="url"> <span itemprop="title"> <a onclick="_gaq.push(['_trackEvent', '', 'Articles', 'text-link'])" href="/HPC/Articles">Articles</a> </span> </span>  <span class="separator">»</span>  <span class="path" itemprop="url"> <span itemprop="title"> <a onclick="_gaq.push(['_trackEvent', '', '', 'text-link'])" href="/HPC/Articles/Warewulf-4-Time-and-Resource-Management"></a> </span> </span> </div> <div class="clear"></div> <div class="attribute-image"><a href="/HPC/Articles/Warewulf-4-Time-and-Resource-Management/(language)/eng-US"> <img src="/var/ezflow_site/storage/images/hpc/articles/warewulf-4-time-and-resource-management/200985-2-eng-US/Warewulf-4-Time-and-Resource-Management_small.jpg" itemprop="image" alt=""> </a></div> <div class="text"> to NTP server (162.159.<b>200</b>.123) at stratum 4    time correct to within 21 ms    polling server every 64 s Your output will not match this exactly, but you can see that it’s using an outside source to synchronize</div> <div class="clear"></div> </div> <div class="view"> <div class="percent">20%</div> <div class="title"><a href="/Archive/2023/74/Building-a-HPC-cluster-with-Warewulf-4/(language)/eng-US">Building a HPC cluster with Warewulf 4</a></div> <div class="clear"></div> <div class="date">04.04.2023</div> <div class="breadcrumb_only" itemscope itemtype="http://data-vocabulary.org/Breadcrumb"> Home <span class="separator">»</span>  <span itemprop="url"> <span itemprop="title"> <a onclick="_gaq.push(['_trackEvent', '', 'Archive', 'text-link'])" href="/Archive">Archive</a> </span> </span>  <span class="separator">»</span>  <span itemprop="url"> <span itemprop="title"> <a onclick="_gaq.push(['_trackEvent', '', '2023', 'text-link'])" href="/Archive/2023">2023</a> </span> </span>  <span class="separator">»</span>  <span itemprop="url"> <span itemprop="title"> <a onclick="_gaq.push(['_trackEvent', '', 'Issue 74: The Future of Software-Defined Networking', 'text-link'])" href="/Archive/2023/74">Issue 74: The F...</a> </span> </span>  <span class="separator">»</span>  <span class="path" itemprop="url"> <span itemprop="title"> <a onclick="_gaq.push(['_trackEvent', '', '', 'text-link'])" href="/Archive/2023/74/Building-a-HPC-cluster-with-Warewulf-4"></a> </span> </span> </div> <div class="clear"></div> <div class="attribute-image"><a href="/Archive/2023/74/Building-a-HPC-cluster-with-Warewulf-4/(language)/eng-US"> <img src="/var/ezflow_site/storage/images/archive/2023/74/building-a-hpc-cluster-with-warewulf-4/photobyandrewlyonunsplash_wolf.png/203484-1-eng-US/PhotobyAndrewLyonUnsplash_Wolf.png_small.png" itemprop="image" alt="Photo by Andrew Ly on Unsplash" title="Photo by Andrew Ly on Unsplash"> </a></div> <div class="text"> the ntpstat utility on the head node and then running it: $ sudo yum install ntpstat $ ntpstat synchronised to NTP server (162.159.<b>200</b>.123) at stratum 4 time correct to within 21 ms polling server every</div> <div class="clear"></div> </div> <div class="view"> <div class="percent">20%</div> <div class="title"><a href="/HPC/Articles/I-O-Profiling-at-the-Block-Level/(language)/eng-US">I/O Profiling at the Block Level</a></div> <div class="clear"></div> <div class="date">27.08.2014</div> <div class="breadcrumb_only" itemscope itemtype="http://data-vocabulary.org/Breadcrumb"> Home <span class="separator">»</span>  <span itemprop="url"> <span itemprop="title"> <a onclick="_gaq.push(['_trackEvent', '', 'HPC', 'text-link'])" href="/HPC">HPC</a> </span> </span>  <span class="separator">»</span>  <span itemprop="url"> <span itemprop="title"> <a onclick="_gaq.push(['_trackEvent', '', 'Articles', 'text-link'])" href="/HPC/Articles">Articles</a> </span> </span>  <span class="separator">»</span>  <span class="path" itemprop="url"> <span itemprop="title"> <a onclick="_gaq.push(['_trackEvent', '', '', 'text-link'])" href="/HPC/Articles/I-O-Profiling-at-the-Block-Level"></a> </span> </span> </div> <div class="clear"></div> <div class="attribute-image"><a href="/HPC/Articles/I-O-Profiling-at-the-Block-Level/(language)/eng-US"> <img src="/var/ezflow_site/storage/images/hpc/articles/i-o-profiling-at-the-block-level/94595-1-eng-US/I-O-Profiling-at-the-Block-Level_small.jpg" itemprop="image" alt=""> </a></div> <div class="text"> provide useful information beyond how ioprof works. The benchmark I will use is IOzone. 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