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18%
Monitoring daemons with shell tools
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© Shariff Che'Lah, 123RF.com
#! /bin/sh 02 03 while true 04 do 05 06 zeit=$(date +%d.%m.%y\ %H:%M\ ) 07 08 psql -U monitor -d monitor -c "select * from watch;" 09 10 if [ $? -eq 2 ]; 11 12 then 13 14 echo "$time: Database
18%
Managing virtual infrastructures with oVirt 3.1
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© Kheng Ho Toh, 123RF.com
, 50GB of memory, and a 1Gb NIC. However, the CPU must be a 64-bit system with a mandatory virtualization extension: either AMD-V or Intel VT. In contrast to RHEV 2.2, RHEV 3 is no longer based on RHEL ... Version 3.1 of the oVirt management platform for virtual infrastructures has recently become available. On Fedora 17, the new release is easy to install and deploy. ... oVirt 3.1 ... Managing virtual infrastructures with oVirt 3.1
18%
High-Performance Python 1
16.07.2019
Home »  HPC  »  Articles  » 
is spent compiling the function. Recall that the first pass through the code compiles it. Subsequent passes do not: CPU times: user 72.3 ms, sys: 8 µs, total: 72.3 ms Wall time: 72 ms Notice that the run
18%
New Approaches to DNS
02.06.2026
Home »  Archive  »  2026  »  Issue 93 Disast...  » 
Lead Image ©bowie15, 123RF.com
some recent protocols that have evolved around the need to address the security issues associated with DNS. You'll learn about: DNS over HTTPS DNS over TLS DNS over QUIC DNS over HTTP/3
18%
Dispatches from the world of IT
30.11.2025
Home »  Archive  »  2011  »  Issue 4: Secure...  » 
 
gas prices. The company announced its VMware Ready Desktop Solutions program on June 22. Ready Desktop Solutions is a validation program for "desktop virtualization solution architectures" provided
18%
Server virtualization with VirtualBox
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
© Federico Caputo, 123RF.com
apache2-mpm-prefork apache2-utils apache2.2-bin apache2.2-commona pache2-doc apache2-suexec libapache2-mod-php5 libapr1 libaprutil1 libaprutil1-dbd-sqlite3 libaprutil1-ldap libapr1 libaprutil1 libaprutil1
17%
Give your servers the once over with Nmap
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© ragsac, 123RF.com
.nmap.org (64.13.134.52): Not shown: 994 filtered ports PORT STATE SERVICE VERSION 22/tcp open ssh OpenSSH 4.3 (protocol 2.0) 25/tcp closed smtp
17%
Simple, small-scale Kubernetes distributions for the edge
03.04.2024
Home »  Archive  »  2024  »  Issue 80: Threa...  » 
Lead Image © grafner, 123RF.com
containers for edge operation. In this article, I look at three of these distributions: K3s (SUSE), MicroShift (Red Hat), and MicroK8s (Canonical). Of course, you will find other lean distributions
17%
Tested: Autoconfiguring IPv6 clients
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© Benis Arapovic, 123RF.com
, the MAC address (e.g., 00:11:22:33:44:55) is split down the middle, and two bytes containing FF:FE are inserted. This gives you 64 bits. If the basis is a globally unique address (which should be the case
17%
Production-ready mini-Kubernetes installations
27.09.2024
Home »  Archive  »  2024  »  Issue 83: Storage  » 
Lead Image © Goran Bogicevic, Fotolia.com
, you can quickly become confused when you hear about K3s [2], k0s [3], minikube [4], Microkubes [5], and the many other variants. These names relate to K8s distributions, all of which enrich the vanilla

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