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43%
Getting a free TLS certificate from Let's Encrypt
13.06.2016
Home »  Archive  »  2016  »  Issue 33: IPv6...  » 
Lead Image © Stuart Miles, 123RF.com
if openssl x509 -checkend 2419200 -noout -in $LECROOT/$i/cert.pem 11 then 12 echo "Certificate is good for another 4 weeks!" 13 else 14 echo "Certificate $i will expire within 4 weeks! (or
43%
Getting started with Prometheus
28.11.2021
Home »  Archive  »  2021  »  Issue 66: Inci...  » 
Photo by Clay LeConey on Unsplash
- localhost:9093 12 13 # Load and evaluate rules in this file every 'evaluation_interval' seconds. 14 rule_files: 15 - alert.rules 16 17 ########### SCRAPING CONFIGURATION ######### 18 19 scrape_configs: 20 21
43%
CI/CD deliverables pipeline
07.06.2019
Home »  Archive  »  2019  »  Issue 51: Self-...  » 
Lead Image by serhat-beyazkaya, Unsplash.com
the individual components simple, leaving enough items with a potential for improvement, depending on your application. In release 2.x, pipelining [2] officially became part of Jenkins. Since then, completely new
43%
Configuration management with CFEngine 3
30.05.2021
Home »  Archive  »  2021  »  Issue 63: Autom...  » 
Lead Image © iofoto, Fotolia.com
the administration of numerous systems with the help of an abstraction and a kind of configuration language. Growing use eventually resulted in the far more mature version 2 in 2002, which because of its reliability
43%
Virtualization with KVM
29.06.2011
Home »  CloudAge  »  Articles  » 
 
memory to the existing machines. Luckily, KVM became an official component of all Linux kernels as of version 2.6.20. In other words, you only need to install Qemu and a couple of tools. Most ... 2
43%
Kolab iRony with CalDAV and CardDAV support
11.06.2014
Home »  Archive  »  2014  »  Issue 21: Manag...  » 
Lead Image © Pablo Hidalgo, 123RF.com
-enabled clients, such as the Lightning Thunderbird extension, Evolution, OS  X applications like Apple's iCal (Calendar since Mountain Lion), as well as iOS and Android systems. For this to work, the Kolab team ... data available on iOS and Mac OS  X and in Thunderbird and Evolution.
43%
Automated OpenStack instance configuration with cloud-init and metadata service
05.02.2019
Home »  Archive  »  2019  »  Issue 49: Anato...  » 
Lead Image © jeka81, 123RF.com
://cloud.centos.org/centos/7/images/CentOS-7-x86_64-GenericCloud-1808.qcow2 Because you are going to use the image on a tenant only, you can upload it as a private image available exclusively in your project. First, you need
43%
OpenLDAP Workshop
11.06.2014
Home »  Archive  »  2014  »  Issue 21: Manag...  » 
Lead Image © tiero, 123RF.com
# replace: olcRootDN 07 dn: olcDatabase={2}bdb,cn=config 08 changetype: modify 09 replace: olcRootPW 10 olcRootPW: {SSHA}f0pv70XFFox5UqKc6A4Uy39NcxkqcJbc 11 - 12 replace: olcAccess 13 olcAccess: {0}to attrs
43%
Kopano Groupware – an open source productivity suite
30.11.2020
Home »  Archive  »  2020  »  Issue 60: Secur...  » 
Lead Image © Klementiev, fotolio.com
detailed documentation [7] and installation packages are available for Debian from version 8, RHEL from version 6, SLES 12, Ubuntu 18.04, and Univention Corporate Server from version 4.2. Setup Aid
43%
Look for Bottlenecks with Open|SpeedShop
21.12.2011
Home »  HPC  »  Articles  » 
module load openspeedshop-2.0.1 module load mvapich-1.1  (or other MPI implementation). If you run your application like this normally, mpirun –np 256 smg2000 –n 65 65 65  or this, srun -ppbatch -N 32

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