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27%
Automated OpenStack instance configuration with cloud-init and metadata service
05.02.2019
Home »  Archive  »  2019  »  Issue 49: Anato...  » 
Lead Image © jeka81, 123RF.com
: $ curl http://169.254.169.254 1.0 2007-01-19 2007-03-01 2007-08-29 2007-10-10 2007-12-15 2008-02-01 2008-09-01 2009-04-04 The cloud-init package installed on an instance contains utilities for its early
27%
A smoke-jumping admin's best friend
09.04.2019
Home »  Archive  »  2019  »  Issue 50: Bpfilter  » 
Lead Image © Thomas Detert, Fotolia.com
replacement for top written in Node.js with scrolling charts at the top (CPU usage) and the bottom left (memory usage). A good YouTube video [6] presents vtop. iptraf Provides network
27%
Useful tools for automating network devices
11.10.2016
Home »  Archive  »  2016  »  Issue 35: Persi...  » 
© Sila Nimkittikul, 123RF.com
Galaxy [6], can be used to modify various configuration parameters. If you opt for Chef instead, you can install the components needed for Chef on your Junos using a matching Cookbook provided by Juniper
27%
Where does job output go?
28.11.2023
Home »  Archive  »  2023  »  Issue 78: Domai...  » 
Photo by Charles Forerunner on Unsplash
. For example, today you can get consumer-grade 1-2TB SSD drives for well under $100, and I've seen some 1TB SSDs for under $30 (August 2023). Don't forget that SSDs can range from thin 2.5-inch form factors
27%
Production-ready mini-Kubernetes installations
27.09.2024
Home »  Archive  »  2024  »  Issue 83: Storage  » 
Lead Image © Goran Bogicevic, Fotolia.com
to start with a local setup, you first need to set up a classic virtual machine (VM). Ideally, you will want to run Debian GNU/Linux 12 or Ubuntu 24.04. Preferably, you should also install a runtime
27%
Mobile hacking tool
26.03.2025
Home »  Archive  »  2025  »  Issue 86: Data...  » 
Photo by Valentina Curini on Unsplash
(e.g., which you can use to read passwords in the scope of a pentest) are available for download from GitHub [5] [6]. Flipper Zero is designed for interaction with a smartphone. During the initial
27%
A self-hosted server and site manager for WordPress
03.04.2024
Home »  Archive  »  2024  »  Issue 80: Threa...  » 
Lead Image © Marek Ulliasz, 123RF.com
content management system (CMS) in use by far, with a more than 40 percent market share [1]. The next closest CMS is Wix with only a 3.6 percent market share. Although you can argue about actual percentages
27%
Dockerizing Legacy Applications
28.11.2023
Home »  Archive  »  2023  »  Issue 78: Domai...  » 
Lead Image © hanohiki, 123RF.com
/CD pipelines, such as PostgreSQL [4] or MySQL [5]. In Listing 6, I use a Docker image containing Docker and Docker Compose and the usual variables defining the database, its user, and password. I also define
27%
A ptrace-based tracing mechanism for syscalls
06.10.2022
Home »  Archive  »  2022  »  Issue 71: Kuber...  » 
Photo by Nadjib BR on Unsplash
this problem. File I/O can therefore be a highly relevant factor for program optimization. The libiotrace [4] library uses LD_PRELOAD to gather data about POSIX [5] and MPI [6] file I/O functions. Although other
27%
What's new in Samba 4
16.05.2013
Home »  Archive  »  2013  »  Issue 14: Samba 4  » 
© Natalia Sheinkin, 123RF.com
to be invoked. [Bug 9651] 6. Windows clients complain that they cannot disable offline caching on the profile share [Bug 7810]. (This is a non-critical message and does not affect operation.) Issues 2 and 3

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