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17%
The weak spot of SBCs
04.04.2023
Home »  Archive  »  2023  »  Issue 74: The F...  » 
Lead Image © Lucy Baldwin, 123RF.com
at the command line if using some care. Figure 3: The gnome-disks read benchmark on a SanDisk A1 U1 card. Entering dd [6] to a valid path on the filesystem
17%
Big data tools for midcaps and others
20.05.2014
Home »  Archive  »  2014  »  Issue 20: IPv6...  » 
Lead Image © Roman Gorielov, 123RF.com
very little note of your progress. Version 0.20 designates the first generation Hadoop (v1.0, Figure 6). Whenever you hear people refer to the 0.23 branch (Figure 7), they are talking about Hadoop 2.2.x
17%
News for Admins
04.08.2020
Home »  Archive  »  2020  »  Issue 58: Graph...  » 
 
at the time. That was then, this is now, and the feature is set for inclusion in the 5.8 kernel. According to this comment (https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6c
17%
Customizing PortSentry
30.03.2012
Home »  Articles  » 
 
="/etc/portsentry/portsentry.blocked.atcp"; banudp="/etc/portsentry/portsentry.blocked.audp"; # TCP tcp=`tail -n1 $bantcp | awk '{ print $6 }' | cut -d / -f 2`; if [ `echo $tcp | grep '123.45.67.' ` ] || [ `echo $tcp | grep '89
17%
Deis combines Docker and CoreOS
17.02.2015
Home »  Archive  »  2015  »  Issue 25: Safe...  » 
Lead Image © jager, 123RF.com
. Project Atomic [6] and CoreOS [7] [8] are perfect examples of this trend. CoreOS is a naked Linux distribution that only supports one thing really well: the operation of Docker containers (see the "Core
17%
Best practices when working with Docker images
04.04.2023
Home »  Archive  »  2023  »  Issue 74: The F...  » 
Photo by Ilse Orsel on Unsplash
(Listing 2), the resulting size will be less than 30KB. Listing 1 A Simple C Program #include int main () { printf("Hello, world!\n"); } Listing 2 Dockerfile Build
17%
Segmenting networks with VLANs
13.02.2017
Home »  Archive  »  2017  »  Issue 37: Distr...  » 
Lead Image © Maxim Kazmin, 123RF.com
-ring encapsulation (1 bit), and identification of the respective VLAN identifier (12 bits). A maximum of 4,096 VLANs can be set up with the 12 bits of the VID (VLAN identifier) field. Tagged VLANs differ from
17%
Life cycle management with Foreman and Puppet
16.05.2013
Home »  Archive  »  2013  »  Issue 14: Samba 4  » 
© auremar, 123RF.com
_package_name : 11 ensure => "installed", 12 } The Puppet DSL offers inheritance, classes, modules, arrays, variables, parameters, templates, and scopes very much like a programming language. In other
17%
Easy configuration management with Puppet
18.07.2013
Home »  Archive  »  2013  »  Issue 15: What’...  » 
Warangkana Bunyarittongchai, 123RF
mode => '0755', 11 require => Package['update-motd'] 12 } Next, I create ./files/misc/10-mymotd containing the following: #!/bin/bash echo "Welcome to my puppet-managed server
17%
Nagios on a Rasp Pi 3 with NEMS
09.10.2017
Home »  Archive  »  2017  »  Issue 41: Kuber...  » 
Lead Image © Chris Gendreau; Fotolia
program (e.g., PuTTY), you connect to the server on port 22 with the reserved IP address. The default username is pi , and the default password is raspberry (Figure 1). Now enter sudo nems

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