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60%
Monitoring NFS Storage with nfsiostat
12.03.2013
Home »  HPC  »  Articles  » 
correctly within my ability to test a range of packages. I tested the script with a couple of versions of Python as well: 2.6.x and 2.7.x, but not 3.x. The script is offered up as is with no real guarantees
60%
Introducing the NoSQL MongoDB database
04.12.2024
Home »  Archive  »  2024  »  Issue 84: Non-R...  » 
Photo by Wesley Tingey on Unsplash
in this collection has different fields, depending on the type of vehicle (Listing 1). Listing 1 Collection of Vehicles 01 { 02 "type": "Car", 03 "brand: "BMW, 04 "model": "X5", 05 "year": 2021
60%
Automating command execution across servers
01.06.2024
Home »  Archive  »  2024  »  Issue 81: Load...  » 
Photo by Adrian Hartanto on Unsplash
is not verified. The purpose of this routine is to prevent man-in-the-middle (MITM) attacks. Sake uses the x/crypto/ssh Go package, which is a bit quirky [3]. An issue I stumbled on when testing Sake
60%
SmartOS: Cool Cloud Platform Rises from the Ashes of Solaris
10.06.2014
Home »  Articles  » 
: cd / curl -k http://pkgsrc.joyent.com/packages/SmartOS/bootstrap/bootstrap-2013Q3-x86_64.tar.gz | gzcat | tar-xf - To rebuild the package database and update it, enter: pkg_admin rebuild pkgin -y up
60%
Coordinating distributed systems with ZooKeeper
07.10.2014
Home »  Archive  »  2014  »  Issue 23: 10 Ti...  » 
Lead Image © smileus, 123RF.com
of the naming, grouping, or configurations of the menagerie. Thanks to ZooKeeper [1], which is available under the Apache 2.0 license, not every cluster has to provide a synchronization service itself
60%
A self-healing VM system
07.06.2019
Home »  Archive  »  2019  »  Issue 51: Self-...  » 
Lead Image © THISSATAN KOTIRAT , 123RF.com
better system protection, you can set the node monitor to "respawn" if it ever shuts down for any reason (notification email is recommended). The OS for the test environment is Red Hat Enterprise Linux 7.3
60%
Proactive Monitoring
11.10.2016
Home »  Archive  »  2016  »  Issue 35: Persi...  » 
Lead Image © Tom Wang, 123RF.com
. The previously mentioned riemann-cli tool tests mail delivery: riemann-cli send --service=Mailtest --metric="3l337" --state=error -ttl=20 --description="Mail function test" --tags=riemann test www This command
60%
Zero-Ops Kubernetes with MicroK8s
27.09.2021
Home »  Archive  »  2021  »  Issue 65: 7 Em...  » 
Among the number of burgeoning Kubernetes distributions available today is the excellent production-ready K3s [1], which squeezes into a tiny footprint and is suitable for Internet of Things (Io
60%
Versatile network and system monitoring
30.01.2024
Home »  Archive  »  2024  »  Issue 79: Monit...  » 
Lead Image © erythropterus, 123RF.com
an initial evaluation of the environment. They provide the installation packages for Ubuntu 20.04/22.4, CentOS 8, and Debian 11, along with Docker, virtual machine (VM) images, and an online demo [2]. If you
60%
Five special distros for system and network admins
28.07.2025
Home »  Archive  »  2025  »  Issue 88: 5 Net...  » 
Lead Image © Christos Georghiou, 123RF.com
designed for Live use on optical data carriers were first seen more than 20 years ago. In the meantime, USB flash memory has largely replaced the CDs and DVDs used in the past. They are not only smaller than

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