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14%
PowerDNS Authoritative server high availability with MariaDB Galera
02.08.2022
Home »  Archive  »  2022  »  Issue 70: Defen...  » 
Lead Image © Sergey Nivens, 123RF.com
) NOT NULL, 06 master VARCHAR(128) DEFAULT NULL, 07 last_check INT DEFAULT NULL, 08 type VARCHAR(6) NOT NULL, 09 notified_serial INT UNSIGNED DEFAULT
14%
Better compression of web pages
22.12.2017
Home »  Archive  »  2017  »  Issue 42: Secur...  » 
if TLS connections (SSL) are used. Fortunately, the free Let's Encrypt [6] certification service makes light work of configuring SSL on the web server [7]. Install the Let's Encrypt client on Debian
14%
The OpenResty distribution for Nginx
20.03.2014
Home »  Archive  »  2014  »  Issue 19: Perim...  » 
Lead Image © Kirill Kurashov, 123RF.com
with the popular Linux distributions; in other words, you need to build it from the source code. To do this, you also need to install some packages and libraries: Perl 5.6.1 or later, libreadline, libpcre
14%
Automating with Expect Scripts
12.11.2012
Home »  Articles  » 
 
@trapper:~\$ " send -- "ssh aspen\r" expect -exact "ssh aspen\r khess@aspen’s password: " send -- "PASSWORD\r" expect -exact "\r Linux aspen 2.6.32-43-server #97-Ubuntu SMP Wed Sep 5 16:56:41 UTC 2012 x86_64 GNU
14%
Getting started with Prometheus
28.11.2021
Home »  Archive  »  2021  »  Issue 66: Inci...  » 
Photo by Clay LeConey on Unsplash
in each mode. # TYPE node_cpu_seconds_total counter node_cpu_seconds_total{cpu="0",mode="idle"} 71039.6 node_cpu_seconds_total{cpu="0",mode="iowait"} 54.79 node_cpu_seconds_total{cpu="0",mode="irq"} 865
14%
Time-series-based monitoring with Prometheus
14.08.2017
Home »  Archive  »  2017  »  Issue 40: Lean...  » 
Lead Image © Juthamas Oonhawat, 123RF.com
it as an open source project with an official announcement [5], although it previously also existed as open source on GitHub [6]. Today, programmers interested in doing so can develop Prometheus under
14%
Harden your Apache web server
25.03.2021
Home »  Archive  »  2021  »  Issue 62: Lean...  » 
sensible defaults (e.g., in version 2.2, RequestReadTimeout was still set to  ). LimitRequestBody also has a value of zero in the current Apache version, which means that a client is always allowed
14%
Develop your own scripts for Nmap
03.12.2015
Home »  Archive  »  2015  »  Issue 30: OpenD...  » 
Lead Image © Raman Maisei, 123RF.com
, it outputs the message Hello World! . To test the script on a local web server, run the following command: # nmap --script /path/http-vuln-check local targetlhost -p 22,80,443 The output should look
14%
Documentation Tools for Admins
20.05.2014
Home »  Archive  »  2014  »  Issue 20: IPv6...  » 
Lead Image © Sorin Colac, 123RF.com
that employees authenticate before creating entries, making it clear later who posted an entry. Less computer-savvy users are supported by a WYSIWYG editor [6] or at least a help link for the wiki syntax
14%
CI/CD deliverables pipeline
07.06.2019
Home »  Archive  »  2019  »  Issue 51: Self-...  » 
Lead Image by serhat-beyazkaya, Unsplash.com
-y 17 18 RUN apt-get install -y \ 19 autoconf \ 20 automake \ 21 build-essential \ 22 ca-certificates \ 23 cmake \ 24 curl \ 25 g++-7 \ 26 git \ 27 less \ 28

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