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13%
Configuration management with Chef
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© Alistair Cotton, 123RF.com
_style": "runit", 06 "path": "/srv/chef", 07 "serve_path": "/srv/chef", 08 "server_fqdn": "chefserver.example.com", 09 "webui_enabled": true 10 } 11 }, 12 "run_list": [ "recipe
13%
GNU tools under Windows
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© Markus Gann, 123RF.com
of Cygwin. Posix programs that have been translated with Cygwin run under nearly all Windows versions; since Cygwin version 1.7, they will also run under Windows 7 and Windows Server 2008. GNU Utilities
13%
Endlessh and tc tarpits slow down attackers
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Lead Image © Yewkeo, 123RF.com
in solving encryption issues. In true DevOps fashion, I fire up Endlessh with a Docker container: $ git clone https://github.com/skeeto/endlessh If you look at the Dockerfile within the repository, you can
13%
Embarrassingly parallel computation
01.06.2024
Home »  Archive  »  2024  »  Issue 81: Load...  » 
Lead Image © Lucy Baldwin, 123RF.com
* argv[]) 08 { 09 long niter = 1000000000; 10 int myid; //holds process's rank id 11 double x,y; //x,y value for the random coordinate 12 int i; 13
13%
Monitor your nodes with collectl
30.11.2025
Home »  Archive  »  2012  »  Issue 09: Windo...  » 
© nobeastsofierce, 123RF.com
: 1331404720 TZ: -0500 09 # SubSys: bcdfijmnstYZCD Options: cz Interval: 10:60 NumCPUs: 4 NumBud: 3 Flags: ix 10 # Filters: NfsFilt: EnvFilt: 11 # HZ: 100 Arch: x86_64-linux-thread-multi PageSize: 4096 12 # Cpu
13%
Filtering email with Sieve
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© radist777, 123RF.com
of Ubuntu, 10.04 (Lucid Lynx), which comes with Postfix 2.7 and Dovecot 1.2. In the following example, both components should be installed and functional, and the individual user accounts should come from
13%
A ptrace-based tracing mechanism for syscalls
06.10.2022
Home »  Archive  »  2022  »  Issue 71: Kuber...  » 
Photo by Nadjib BR on Unsplash
tools, such as Darshan [7], use this method too, libiotrace adds live tracing support, as opposed to the pure postmortem analysis of most tools. A typical tracing setup for libiotrace is shown in Figure
13%
Machine learning and security
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Lead Image © Vlad Kochelaevskiy, 123RF.com
of 'days' 06 07 # function to produce base sine data 08 # with a 7th of the base frequency overlap 09 def data_w_weekend(t): 10 if np.sin(periods / 7 * 2 * np.pi * t) > 0.5: 11 value = 0.001 * np
13%
Introduction to behavior-driven monitoring
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
Mariya Herasymenko, 123RF
: Logging in 06 Given I am on http://www.xing.com/ 07 When I fill in "username-field" with "username" 08 And I fill in "password-field" with "password" 09 And I press "login-button" 10 Then I
13%
Secure your data channel with stunnel
25.03.2020
Home »  Archive  »  2020  »  Issue 56: Secur...  » 
Lead Image © Petr Vaclavek, 123RF.com
.0.0.1:1234 connect = server.example.com:1234 Listing 4 Server Configuration in stunnel.conf ; global settings sslVersion = TLSv1.2 chroot = /var/run/stunnel setuid = nobody setgid = nobody pid

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