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05.02.2023

Home » Archive » 2023 » Issue 73: Datab... »

). In such an environment, a "dedicated" MariaDB container could be run as a replacement for a MariaDB VM: podman run --name maria --volume /var/pods/maria:/var/lib/mysql:Z --net pub_net --ip 192.168.1.10 --mac-address 12:34:56:78:9

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Monitoring container clusters with Prometheus

09.10.2017

Home » Archive » 2017 » Issue 41: Kuber... »

with Kubernetes. Tested To illustrate the information outlined above, I will demonstrate how you can run your own small Kubernetes cluster with a Prometheus extension based on Minikube [9]. Minikube offers

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pdsh Parallel Shell

08.07.2018

Home » HPC » Articles »

The pdsh parallel shell tool lets you run a command across multiple nodes in a cluster. ... seconds set connect timeout (default is 10 sec) -u seconds set command timeout (no default) -f n use fanout of n nodes -w host,host,... set target node list on command line -x ... The pdsh parallel shell tool lets you run a command across multiple nodes in a cluster.

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Network backups with Amanda

05.12.2016

Home » Archive » 2016 » Issue 36: Autom... »

/state/log" 05 dumpuser "amanda" 06 labelstr "MyData[0-9][0-9]" 07 autolabel "MyData%%" EMPTY VOLUME_ERROR 08 tpchanger "chg-disk:/amanda/vtapes" 09 tapecycle 4 10 dumpcycle 3 days 11 amrecover_changer "changer

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HPC Data Analytics

08.08.2014

Home » HPC » Articles »

] Python [6] Julia (up and coming) [7] Java [8] Matlab [9] and Matlab-compatible tools (Octave [10], Scilab [11], etc.) Java is the lingua franca of MapReduce [12] and Hadoop

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Keeping Docker containers safe

13.02.2017

Home » Archive » 2017 » Issue 37: Distr... »

-host storage like Ceph like Ceph or the more cloud-friendly GlusterFS [12]. It's What's Inside that Counts Security used to be much worse when it came to the internals of a container. Up until Docker v1.10

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Web applications with Julia

26.01.2025

Home » Archive » 2025 » Issue 85: Monit... »

.0.0.1", PORT) do ws 08 for msg in ws 09 d = Meta.parse(JSON.parse(msg)["s"]) 10 @info d 11 @info typeof(d) 12 WebSockets.send(ws, """

You picked $d

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A Distributed SQL Database

03.08.2023

Home » Archive » 2023 » Issue 76: Energ... »

Catcher in the Rye', 'J.D. Salinger', '1951-07-16', 15.99), ('To Kill a Mockingbird', 'Harper Lee', '1960-07-11', 12.99), ('Pride and Prejudice', 'Jane Austen', '1813-01-28', 9.99); At this point

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Proactive Monitoring

11.10.2016

Home » Archive » 2016 » Issue 35: Persi... »

-server"})) 06 07 ; Enable all interfaces for TCP, UDP and websockets: 08 (let [host "0.0.0.0"] 09 (tcp-server {:host host}) 10 (udp-server {:host host}) 11 (ws-server {:host host})) 12 13 ; Clean up events

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Many Clouds, One API

22.08.2011

Home » Articles »

[inst.id] = inst.state 08 summary[inst.state] += 1 09 state 10 end 11 total = summary.values.inject(0) { |sum, i| sum += i } 12 puts "Found #{total} instances in the following states:" 13 summary

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