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17%
Blending Java with other programming languages
10.04.2015
Home »  Archive  »  2015  »  Issue 26: OpenS...  » 
Lead Image © Ivan Mikhaylov, 123RF.com
[...] 20 String line = readlineImpl(prompt); 21 if ((line != null) && (addToHist)) { 22 addToHistory(line); 23 } 24 return line; 25 } 26 27 public static void add
17%
Look for file changes and kick off actions with Watchman
10.04.2015
Home »  Archive  »  2015  »  Issue 26: OpenS...  » 
Lead Image © leksele, 123RF.com
] 20 } 21 ] 22 } 23 ] 24 } The script that performs the rsync operation, sync.sh, will look like Listing 3. Your script might be more complex (e.g., by adding some sort
17%
Nagios on a Rasp Pi 3 with NEMS
09.10.2017
Home »  Archive  »  2017  »  Issue 41: Kuber...  » 
Lead Image © Chris Gendreau; Fotolia
applications available by selecting Reporting : Nagios Core [5], NagVis [6], and Check_MK [7]. Each provides a different view of the Nagios3 monitoring data. Nagios Core is an event scheduler, event processor ... Nagios on a Rasp Pi 3 with NEMS
17%
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
17%
Versioned backups of local drives with Git
28.11.2022
Home »  Archive  »  2022  »  Issue 72: OpenS...  » 
[3] free of charge (Figure 1). The client can be used for both development and backup repositories. Git Extensions [4] offers a somewhat older, technically overloaded look and feel (Figure 2
17%
Installing applications in OpenStack with Murano
03.12.2015
Home »  Archive  »  2015  »  Issue 30: OpenD...  » 
Lead Image © stylephotographs, 123RF.com
behind the application catalog was Mirantis [3], one of the founding members of the OpenStack Foundation. A simple analysis of the software contributions to Murano shows that at least half
17%
Interprocess communication essentials in Perl
05.12.2019
Home »  Archive  »  2019  »  Issue 54: NVMe...  » 
Lead Image © Carsten Reisinger, 123RF.com
ways, and then kill everything, leaving no lingering processes (Listing 3). Listing 3 Asynchronous Communication 01 Use IO:Handle; 02 03 pipe(READFROMCHILD, WRITETOPARENT); 04 pipe
17%
Cron alternatives fcron and hcron
05.12.2019
Home »  Archive  »  2019  »  Issue 54: NVMe...  » 
Lead Image © stillfx, 123RF.com
Listing 3 fcron Examples ## Execute the echo command at 10:05am on Sundays and on the 31st. 5 10 31 * 7 echo ''' ## Run mycommand every day at 5:05, 5:35, 6:05, 6:35, 7:05, and 7:35. & 05,35 5
17%
Better compression of web pages
22.12.2017
Home »  Archive  »  2017  »  Issue 42: Secur...  » 
, and after the developers set up Chrome with Brotli support, other browser manufacturers followed suit. Today, Brotli supports all major browsers [3]. Brotli on the Server Side Things look less rosy
17%
Validating Docker containers
05.02.2019
Home »  Archive  »  2019  »  Issue 49: Anato...  » 
Lead Image © 36clicks, 123RF.com
in the container? 20 - name: "mysql client exists" 21 path: '/usr/bin/mysql' 22 shouldExist: true 23 24 # Does the MySQL configuration file exist at the right place? 25 - name: "my.cnf exists and has appropriate

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