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16%
Cloud security with AWS GuardDuty
04.08.2020
Home »  Archive  »  2020  »  Issue 58: Graph...  » 
Lead Image © Amy Walters, 123RF.com
grants permissions to enable GuardDuty. If some instances expose ports like 22 or 3389 to the world (0.0.0.0/0), you should soon see some findings of malicious IPs trying to get into your systems
16%
Manage OpenVPN keys with Easy-RSA
06.10.2019
Home »  Archive  »  2019  »  Issue 53: Secur...  » 
Lead Image © Orlando Rosu, 123rf.com
the Debian-based, distributions install it along with openvpn – one exception being Ubuntu, which only offers easy-rsa starting with Cosmic Cuttlefish (Ubuntu version 18.10) [3]. The successor, Easy-RSA 3
16%
Proactive Monitoring
11.10.2016
Home »  Archive  »  2016  »  Issue 35: Persi...  » 
Lead Image © Tom Wang, 123RF.com
. The problem is well known [3] and should be fixed in the next release. Because the index resides in volatile memory, stopping and then restarting is not a good idea. As an interim solution, you can send kill
16%
Keeping Docker containers safe
13.02.2017
Home »  Archive  »  2017  »  Issue 37: Distr...  » 
Lead Image © Irina Tischenko, 123RF.com
of around 250MB to Amazon's S3 storage very effectively. A number of successful container technologies have been used extensively in the past, including LXC, Solaris Zones, and FreeBSD jails, to name
16%
Flatpak, Snap, and AppImage
09.06.2018
Home »  Archive  »  2018  »  Issue 45: Autom...  » 
Photo by Quino Al on Unsplash
of the technology. However, there is a solution one size smaller. Youngsters The introduction of the DEB [2] and RPM [3] package formats coincided with the birth of the major distributions Debian and Red Hat
16%
HPC fundamentals
16.08.2018
Home »  Archive  »  2018  »  Issue 46: CMS S...  » 
Lead Image © Kasia biel, 123RF.com
., through host11 . In the second case, the hostlist expands to host1 , host2 , host3 , host4 , host8 , etc., through host11 . The pdsh website has more information on hostlist expressions [3]. Being able
16%
WordPress, Joomla, and Drupal compared
16.08.2018
Home »  Archive  »  2018  »  Issue 46: CMS S...  » 
Lead Image © Zoya Fedorova, 123RF.com
not be suitable for your website. Open source competitors such as Joomla [3] and Drupal [4] attract users with interesting and unique selling points. If you want to set up a website for a new product
16%
Error-correcting code memory keeps single-bit errors at bay
14.11.2013
Home »  Archive  »  2013  »  Issue 17: Cloud...  » 
Lead Image © Igor Stevanovic, 123RF.com
A study [3] of real memory errors took place at Google. During their investigations they found that one third of the machines and more than eight percent of the DIMMs saw correctable errors per year
16%
Protecting your web application infrastructure with the Nginx Naxsi firewall
18.07.2013
Home »  Archive  »  2013  »  Issue 15: What’...  » 
Pansiri Pikunkaew, 123RF
backend3.example.com server; 05 backend4.example.com server down; 06 backend5.example.com backup server; 07 } 08 09 upstream fallback { 10 fallback1.example.com server: 8081; 11 } 12 13 14 server { 15 % 16
16%
SSH tools for Windows
12.09.2013
Home »  Archive  »  2013  »  Issue 16: Docker  » 
Lead Image © Maksim Kabakou, 123RF.com
in PuTTY, such as puttygen or psftp. In addition to the popular PuTTY, Windows admins have options for using SSH on Windows, such as the Cygwin Windows X server-based MobaXterm [2] [3] or direct use

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