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17%
A smoke-jumping admin's best friend
09.04.2019
Home »  Archive  »  2019  »  Issue 50: Bpfilter  » 
Lead Image © Thomas Detert, Fotolia.com
. Figure 1: Ncurses-based menuconfig (Wikipedia, CC BY-SA 3.0). Another option is Newt [22], a programming library that focuses on color TUIs (Figure 2) and uses a widget approach, making programming
17%
Ansible as an alternative to the Puppet configuration tool
11.02.2016
Home »  Archive  »  2016  »  Issue 31: Tunin...  » 
Lead Image © Jenzig, photocase.com
shows a complete inventory definition that creates the backend host described in Listing 2. Listing 3 Ansible Inventory 01 [backend] 02 192.168.0.1 # Backend-Server Ansible is also
17%
OpenVPN with e-tokens in large-scale environments
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© sTan, fotolia.com
version [9]. Listing 3 /etc/openvpn/ccd/John_Doe 01 # John Doe 02 ifconfig-push 192.168.1.3 255.255.255.0 03 push "topology subnet" 04 push "redirect-gateway" 05 push "dhcp-option DNS 192
17%
Managing Linux systems with Spacewalk
14.11.2013
Home »  Archive  »  2013  »  Issue 17: Cloud...  » 
Lead Image © NASA
use strict; 04 use Exporter; 05 use vars qw($VERSION @ISA @EXPORT @EXPORT_OK %EXPORT_TAGS); 06 07 $VERSION = 1.0; 08 @ISA = qw(Exporter); 09 @EXPORT = (); 10 @EXPORT_OK = qw
17%
Jenkins Configuration as Code
07.06.2019
Home »  Archive  »  2019  »  Issue 51: Self-...  » 
Lead Image © Amri Wolfgang, 123RF.com
--retry 3 --retry-delay 0 --retry-max-time 60 ${JENKINS_UC}/jenkins.war -o ${JENKINS_HOME}/jenkins.war 30 RUN for P in ${PLUGINS}; do curl -sSfL --connect-timeout 20 --retry 2 --retry-delay 0 --retry
17%
What is an IOPS Really?
24.02.2022
Home »  HPC  »  Articles  » 
, an “accepted” payload has been created for measuring IOPS. This size is 4KB. The kilobyte is defined as 1,000 bytes and is grounded in base 10 (10^3). Over time, kilobyte has been incorrectly used to mean
17%
Fast and scalable ownCloud Infinite Scale
02.08.2021
Home »  Archive  »  2021  »  Issue 64: Bare...  » 
Photo by Markus Spiske on Unsplash
CIS is the technology preview 1.8.0 (as of July 2021). Go, Vue.js, and a modular approach replace the outdated PHP, database, and POSIX filesystem the older versions needed. In internal documents, ownCloud promises up
17%
Clustering with OpenAIS and Corosync
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
brunoilfo, 123RF.com
ID. Version 3.0 of the cluster suite (in RHEL 6 and Fedora 10 or later), replaces OpenAIS with Corosync [3]. Viewed superficially, not too many changes are seen between the two cluster managers ... 3
17%
A free anti-spam tool for Exchange environments
30.11.2025
Home »  Archive  »  2012  »  Issue 08: FreeNAS  » 
© baurka, 123RF.com
businesses might also be interested in the POP3 connector in ASSP. This feature lets you pick up email from various POP3 servers, scan the messages for viruses and spam, and then forward the results
17%
A script for strict packet filter updates
05.12.2016
Home »  Archive  »  2016  »  Issue 36: Autom...  » 
Lead Image © french 03, photocase.com
the filter rule 152 eval FOUND_IPS=\`${RULE}\` 153 IPS="${IPS} 154 ${FOUND_IPS}" 155 done 156 157 # Filter by IP address, incidence count, and use of the IP threshold 158 IPS=`echo "${IPS}" | grep -E '([0-9]{1,3}\.){3}[0-9]{1,3

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