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PowerDNS Authoritative server high availability with MariaDB Galera

02.08.2022

Home » Archive » 2022 » Issue 70: Defen... »

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 = 127.0.0

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An IP-based load balancing solution

30.11.2025

Home » CloudAge » Articles »

backup_active = 1 05 backup = 192.168.1.232 06 heartbeat = 1 07 heartbeat_port = 539 08 keepalive = 6 09 deadtime = 18 10 network = direct 11 debug_level = NONE 12 monitor_links = 1 13 syncdaemon = 1 14

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Automated OpenStack instance configuration with cloud-init and metadata service

05.02.2019

Home » Archive » 2019 » Issue 49: Anato... »

: $ curl http://169.254.169.254 1.0 2007-01-19 2007-03-01 2007-08-29 2007-10-10 2007-12-15 2008-02-01 2008-09-01 2009-04-04 The cloud-init package installed on an instance contains utilities for its early

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OrientDB document and graph database

09.08.2015

Home » Archive » 2015 » Issue 28: SSD RAID »

('Guards! Guards!', {'de':'Wachen! Wachen!', 'fr' : 'Au Guet!'} ); 20 21 create edge Relation from #11:0 to #11:1 set type='Married', from='1993-01-01'; 22 23 create edge Appear from #11:0 to #13:0 set

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Graph database Neo4j discovers fake reviews on Amazon

04.08.2020

Home » Archive » 2020 » Issue 58: Graph... »

similarity value of 1.0 to the two rascals. Of course, this is not yet hard evidence of unfair practices, but the result at least shows where you could drill down further to reveal more evidence

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Port Knocking

07.10.2014

Home » Archive » 2014 » Issue 23: 10 Ti... »

seq_timeout = 10 08 tcpflags = syn 09 command = /usr/sbin/iptables -A INPUT -s \ %IP% -p tcp --dport 22 -j ACCEPT 10 11 [closeSSH] 12 sequence = 9000

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Matlab-like tools for high-performance computing

16.05.2013

Home » Archive » 2013 » Issue 14: Samba 4 »

,1000); 06 07 // Set host data on the Device (GPU) 08 dA = gpuSetData(A); 09 dC = gpuSetData(C); 10 11 d1 = gpuMult(A,B); 12 d2 = gpuMult(dA,dC); 13 d3 = gpuMult(d1,d2); 14 result = gpuGetData(d3); // Get

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Vagrant, Serf, Packer, and Consul create and manage development environments

21.08.2014

Home » Archive » 2014 » Issue 22: OpenS... »

_wait_timeout": "30s", 08 "shutdown_command": "echo 'Done' | sudo -S shutdown -h now" 09 }], 10 "provisioners": [{ 11 "type": "shell", 12 "inline": [ 13 "sleep 30", 14 "sudo apt-get update", 15 ... 22

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Web applications with Julia

26.01.2025

Home » Archive » 2025 » Issue 85: Monit... »

startserver() 05 WebSockets.listen("127.0.0.1", PORT) do ws 06 for msg in ws 07 d = Meta.parse(JSON.parse(msg)["s"]) 08 WebSockets.send(ws, """

You picked $d

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MariaDB MaxScale: A smart proxy for MySQL

11.04.2016

Home » Archive » 2016 » Issue 32: Measu... »

_options=synced 08 servers=backend1, [...] 09 user=maxscale 10 passwd=secret 11 12 [Galera Listener] 13 type=listener 14 service=Galera Router 15 protocol=MySQLClient 16 address=10.42.0.1 17 port=3306 18 19 [Galera

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