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16%
PowerDNS Authoritative server high availability with MariaDB Galera
02.08.2022
Home »  Archive  »  2022  »  Issue 70: Defen...  » 
Lead Image © Sergey Nivens, 123RF.com
A quick edit of your pristine MariaDB server's configuration file /etc/my.cnf.d/server.cnf (1) binds the MariaDB service to the localhost and (2) connects and (3) creates the database: Bind-address = 127.0.0
16%
The Lua scripting language
20.03.2014
Home »  Archive  »  2014  »  Issue 19: Perim...  » 
Lead Image © Nataliya Velykanova, 123RF.com
the standard work Programming in Lua , third edition, which was published early last year. The first edition, available online [4] refers to Lua 5.0. The language has now moved to version 5.2, but the online
16%
Build a honeypot with real-world alerts
01.08.2019
Home »  Archive  »  2019  »  Issue 52: Stop...  » 
Lead Image © Bruce Rolff, 123RF.com
. The takeaway is the -j LOG option (line 12), which logs port scanning behavior to a logfile with the iptables: prefix. Listing 1 iptable Rules 01 *filter 02 *filter 03 :INPUT ACCEPT [0:0] 04
16%
Microsoft System Center Virtual Machine Manager 2008 R2
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© Tono Balaguer, 123RF.com
. To install the management component in SCVMM, you also need the Windows Automated Installation Kit (WAIK) 1.1, which is automatically installed when you install the management server; Windows PowerShell 1.0
16%
Implement your own MIBs with Python
29.09.2020
Home »  Archive  »  2020  »  Issue 59: Custo...  » 
snmp-mibs-downloader smitools The easiest way to extend it is with a minimal snmpd configuration file: rocommunity rpitesting extend rpitemp /bin/cat /sys/class/thermal/thermal_zone0/temp
16%
Julia: Fast as Fortran, easy as Python
09.04.2019
Home »  Archive  »  2019  »  Issue 50: Bpfilter  » 
Lead Image © Andrey Suslov, 123RF.com
is that it has met its ambitious goals and represents the fulfillment of a long-held desire for a language that is as fast as Fortran but as easy as Python. Given that, Julia's first stable release version 1.0
16%
High-availability workshop: GFS with DRBD and Pacemaker
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Maxim Borovkov, 123RF.com
were delivered as part of the RHCS scope. Thus, up to RHCS 3.0, everything was fine if you wanted Pacemaker and GFS to cooperate. But Red Hat changed its policy in Red Hat Cluster Suite 3.1, deciding
16%
Managing Linux systems with Spacewalk
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© patrimonio designs, Fotolia.com
released version 1.0. The application's core tasks include RPM package software provisioning, managing configuration files, and kickstart trees, thus supporting the installation of bare-metal systems
16%
Build operating system images on demand
30.01.2020
Home »  Archive  »  2020  »  Issue 55: AWS L...  » 
Lead Image © Nataliya Hora, 123RF.com
and needs 900MB of storage space (Figure 1). If you have fast Internet access on the system on which you call the fai-diskimage command, the process is also quick. It hardly takes a minute for the finished
16%
Monitoring IoT devices
07.10.2025
Home »  Archive  »  2025  »  Issue 89: Autom...  » 
Lead Image © alexutemov, 123rf.com
, the current version of the agent requires 36MB of RAM, 63MB of memory space, and a network bandwidth of 237bps (uplink) and 79bps (downlink), which enables Datadog to collect CPU utilization, I/O rates, TCP

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