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12%
An IT nomad's diary
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© Jasmin Merdan, 123RF.com
Friday, 5pm: I just switched off my laptop a quarter of an hour ago and I am ready to go running, when my phone rings. Two friends from California are calling to proudly tell me about a new Perl web
12%
Improve the physical security of your business
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© ginasanders, 123RF.com
the intruder's visits. Additionally, security considerations should not be restricted to the immediate workplace. Important documents and laptops may not be on the company's premises but somewhere in a hotel
12%
Service mesh for Kubernetes microservices
09.04.2019
Home »  Archive  »  2019  »  Issue 50: Bpfilter  » 
Lead Image by Ricardo Gomez Angel on Unsplash.com
be managed and monitored in great detail. Lee Calcote, in his book on microservices [1], refers to this concept as "decoupling at Layer 5," the implication being that a service mesh frees the developer of any
12%
Improving performance with environment variables
02.08.2021
Home »  Archive  »  2021  »  Issue 64: Bare...  » 
Lead Image © sgame, fotolia.com
in different, conceivably better, performance. The test system is my Linux laptop (see Table 1 for specifications). The laptop runs Ubuntu 20.04 with the 455.45.01 NVidia driver, and CUDA 11.2. Octave 5
12%
Hacking Mutillidae II
03.08.2023
Home »  Archive  »  2023  »  Issue 76: Energ...  » 
Photo by USGS on Unsplash
testing laboratory. You can run the containers locally on a laptop, remotely in AWS, or on another server. Before creating the containers, take a look at the features you can look forward to seeing, again
12%
The pros and cons of a virtual desktop infrastructure
12.09.2013
Home »  Archive  »  2013  »  Issue 16: Docker  » 
Lead Image © Mariia Puliaieva, 123RF.com
laptops more quickly and effectively in the future. ADMIN: Was it difficult to convince your users to give up their own physical, full-fledged PCs? If there were reservations, how you were able
12%
Detect failures and ensure high availability
22.05.2023
Home »  Archive  »  2023  »  Issue 75: Teamwork  » 
Photo by Tim Foster on Unsplash
's purpose is to monitor both cluster state and quorum. Pacemaker is a cluster resource manager. When you enable a particular resource agent catering to a specific set of tasks or applications, Pacemaker
12%
HPC fundamentals
16.08.2018
Home »  Archive  »  2018  »  Issue 46: CMS S...  » 
Lead Image © Kasia biel, 123RF.com
, spot-monitoring the compute nodes, and debugging. This list is just the short version; the complete list is extensive. Anything you want to do on a single node can be done on a large number
12%
Risk mitigation for Active Directory
27.05.2025
Home »  Archive  »  2025  »  Issue 87: Light...  » 
Photo by cdd20 on Unsplash
on application servers, a service account cannot be blocked by a client, and a normal user cannot be blocked by attacks on the NETLOGON share of a DC. As a final means of protection, you can always monitor failed
12%
Profiling Is the Key to Survival
19.12.2012
Home »  HPC  »  Articles  » 
. Profiling goes beyond this to monitor the system while the application is running, which is really monitoring “events” that happen on the system. For example, you could measure the number of different cache

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