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28%
Debugging the Linux kernel with the Qemu emulator
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Daniela Mangiuca, 123RF.com
. Additionally, Torvalds integrated kdb, a front end for kgdb, into the standard version 2.6.35 kernel to support simple operations, such as reading and setting memory addresses, reading kernel messages
28%
Monitoring network computers with the Icinga Nagios fork
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© Alterfalter, 123RF.com
young project that was forked from Nagios [2] because of disagreements regarding the pace and direction of development. Icinga delivers improved database connectors (for MySQL, Oracle, and Postgre
28%
Fast system management from Puppet Labs
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© Artmann Witte, fotolia.com
/2001/XMLSchema-instance" 05 xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd 06 http
28%
Server virtualization with VirtualBox
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
© Federico Caputo, 123RF.com
the VirtualBox website [1]. For Linux users, Oracle continues to provide repositories for various Linux distributions [2]. The non-free components, such as support for USB 2.0 devices, the VRDP server, and PXE
28%
Manage and automate networks
28.07.2025
Home »  Archive  »  2025  »  Issue 88: 5 Net...  » 
create workflows that react dynamically to events. Before I show you exactly how this works with the free open source tool, which is available under the Apache 2.0 license, I'll take a brief look at its
28%
Speed up Your Name Server with a MySQL Back End
23.07.2013
Home »  Articles  » 
 
of testing to make sure it is working: primary:~$dig +norecurs @127.0.0.1 ns1.example.com A dig +norecurs @127.0.0.1 ns1.example.com A ; <<>> DiG 9.9.2-P1 <<>> +norecurs @127.0.0.1 ns1.example.com A ; (1
28%
Network monitoring with Icinga and Raspberry Pi
17.02.2015
Home »  Archive  »  2015  »  Issue 25: Safe...  » 
Lead Image © AndreaDanti, 123RF.com
. Icinga Icinga [1] is feature-rich, impressive, open source network monitoring software [2]. Started in 2009, Icinga began as a fork of the Nagios project. The creators focused their attention on a modern
28%
Installing and operating the Graylog SIEM solution
13.12.2018
Home »  Archive  »  2018  »  Issue 48: Secur...  » 
Lead Image © Leo Blanchette, 123RF.com
. The pwgen command generates a password and encrypts with sh256sum: pwgen -N 1 -s 100 echo -n | sha256sum The encrypted password is then assigned to the parameter root_password_sha2. Table 1 gives
28%
Run your own chat server
22.05.2023
Home »  Archive  »  2023  »  Issue 75: Teamwork  » 
Photo by Volodymyr Hryshchenko on unsplash
server { listen 443 ssl http2; server_name matrix.domain.com; ssl_certificate /etc/letsencrypt/live/domain.com/fullchain.pem; # managed by Certbot ssl_certificate_key /etc
28%
Multiprocessing in Python with Fortran and OpenMP
22.12.2017
Home »  Archive  »  2017  »  Issue 42: Secur...  » 
Lead Image Photo by Zachary Young on Unsplash
The number of processors available = 4 The number of threads available = 4 OUTSIDE the parallel region. HELLO from process 0 Going INSIDE the parallel region: HELLO from process 0 HELLO from process 2

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