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7%
PostgreSQL 9.3
04.02.2014
Home »  Articles  » 
 
                                                              ^ 08 HINT:  There is an entry for table "a", but it cannot be referenced from this part of the query. 09  10  11 # But LATERAL makes this join correct: 12  13  14 SELECT 15    a.id, a.name, t
7%
New in PostgreSQL 9.3
09.01.2013
Home »  Archive  »  2013  »  Issue 18: New W...  » 
Lead Image © Nuno Andre, 123RF.com
OR REPLACE FUNCTION public.deny_alter_table() 02 RETURNS event_trigger 03 LANGUAGE plpgsql 04 AS $function$ 05 BEGIN 06 07 RAISE EXCEPTION '% is disabled', TG_TAG; 08 09 END; 10 $function$ 11 12
7%
Managing virtual machines
30.11.2025
Home »  Archive  »  2012  »  Issue 09: Windo...  » 
© Igor Klimov, 123RF.com
"creating" $vmname 09 10 virsh suspend rhstorage 11 virt-clone -o rhstorage -n $vmname -f /var/lib/libvirt/images/$vmname.qcow 12 virsh resume rhstorage 13 14 oldmac="52:54:00:B4:DF:EB" 15 newmac
7%
Developing RESTful APIs
14.08.2017
Home »  Archive  »  2017  »  Issue 40: Lean...  » 
Lead Image © bowie15, 123RF.com
/contactshelf 06 /contacts: 07 get: 08 description: Retrieve list of existing contacts 09 responses: 10 200: 11 body: 12 application/json: 13 example: | 14
7%
Filtering email with Sieve
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© radist777, 123RF.com
of Ubuntu, 10.04 (Lucid Lynx), which comes with Postfix 2.7 and Dovecot 1.2. In the following example, both components should be installed and functional, and the individual user accounts should come from
7%
Aggregating information with Huginn
18.02.2018
Home »  Archive  »  2018  »  Issue 43: Real...  » 
Lead Image © it Ilka Burckhardt, Fotolia.com
], but it should also work with an Apache server without any problems [6]. The developers only guarantee smooth operation on Debian 7 or 8 and Ubuntu 14.04 or 16.04. In principle, the installation also works
7%
Integrating OCS information into monitoring with OpenNMS
21.08.2014
Home »  Archive  »  2014  »  Issue 22: OpenS...  » 
Lead Image © Kheng Ho Toh, 123RF.com
and production. To show how monitoring profiles can be implemented for a specific server, the example distinguishes between mail, web, and database servers. It assumes that the stable version 1.12.3 of OpenNMS [6
7%
Profiling Python Code
09.12.2019
Home »  HPC  »  Articles  » 
output only lists the code itself. Because it doesn’t profile the code line-by-line, it’s impossible to learn anything about the code. Listing 6: cProfile Output Sat Oct 26 09
7%
Analyzing tricky database problems
14.03.2018
Home »  Archive  »  2018  »  Issue 44: Cloud...  » 
Photo by Quino Al on Unsplash
. The infrastructure also includes three LDAP servers, six NFS servers (based on Ceph), and two HAProxy load balancers. Monitoring is done via Graphite [5], with an Elasticsearch [6], Logstash [7], and Kibana [8] (ELK
7%
Run rootless Podman containers as  systemd services
26.01.2025
Home »  Archive  »  2025  »  Issue 85: Monit...  » 
Photo by Geeky Shots on Unsplash
=%h/containers/caddy/data/caddy:/data/caddy:Z 09 Volume=%h/containers/certificates:/data/certificates:z,ro 10 Volume=%h/containers/caddy/etc:/etc/caddy:Z 11 PublishPort=443:443 12 Network=reverse-proxy.network 13 14 [Service] 15 Restart=always 16

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