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25.08.2016

Home » HPC » Articles »

over the Free Software Foundation's copyright assignment policy. Figure 3: Nano 2.0.9 on CentOS 6.8. JOE The last CLI editor I want to present

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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. ... . In the second case pdsh expands the host list to host1 , host2 , host3 , host4 , host8 , host9 , etc., through host11 . The pdsh website has more information on hostlist expressions. Being able to specify ... The pdsh parallel shell tool lets you run a command across multiple nodes in a cluster.

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I/O benchmarks with Fio

30.11.2025

Home » Archive » 2011 » Issue 5: Pen Te... »

tests and take some of the load off the SSD with the fstrim command from a recent util-linux package [9]. The workload from Listing 3, which measures the IOPS with a variable block size between 2Kb

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Keeping Docker containers safe

13.02.2017

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

of around 250MB to Amazon's S3 storage very effectively. A number of successful container technologies have been used extensively in the past, including LXC, Solaris Zones, and FreeBSD jails, to name

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Three full-text desktop search engines

28.11.2021

Home » Archive » 2021 » Issue 66: Inci... »

at least two other recent tools that, according to their brief descriptions, would be suitable for the task I set: DocFetcher [2] and Recoll [3] specialize in full-text search and were built for use

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pfSense firewall and router distribution

30.11.2025

Home » Archive » 2012 » Issue 07: Xen v... »

Chris Buechler and Scott Ullrich were unhappy. Although the FreeBSD m0n0wall distribution gave them a quick option for setting up a firewall and a router, it was designed for use on embedded systems

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Moving HPC to the Cloud

19.10.2012

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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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Protecting your web application infrastructure with the Nginx Naxsi firewall

18.07.2013

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

]. The new SPDY protocol is implemented in Nginx version 1.3.15 and will probably be integrated into the stable version 1.4, which is expected in May. (A SPDY patch is available for older versions of the 1.3

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Secure remote access and web applications with two-factor authentication

16.05.2013

Home » Archive » 2013 » Issue 14: Samba 4 »

and supplies (e.g., eBay/PayPal's GO 3 token, known as a "security key"). At the heart of two-factor authentication is the Identikey server, which – in the basic version – comprises a RADIUS interface

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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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