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17%
Haskell framework for the web
22.12.2017
Home »  Archive  »  2017  »  Issue 42: Secur...  » 
Photo by Aidas Ciziunas, Unsplash.com
up a software project. The process differs from one operating system to the next, but this article describes its use on Fedora 25, which first needs a couple of packages from the unofficial repository
17%
A watchdog for every modern *ix server
25.09.2023
Home »  Archive  »  2023  »  Issue 77: Secur...  » 
Photo by Sudhith Xavier on Unsplash
="chmod --- > RQRDCMNDS="apt-get > chmod 13a17 > mkdir 15a20 > usermod 35c40 < if ! wget "https://mmonit.com/monit/dist/binary/${MONITVER}/monit-${MONITVER}-linux-x64.tar.gz" -O /tmp
17%
Software-defined networking for the future
04.04.2023
Home »  Archive  »  2023  »  Issue 74: The F...  » 
Photo by Leio McLaren on Unsplash
.0 was released in December 2009. The interface allows an SDN controller to reach beyond routers and switches, which was previously impossible. SDN is controlled in infrastructures by OpenFlow with Open
16%
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
16%
OpenLDAP Workshop
11.06.2014
Home »  Archive  »  2014  »  Issue 21: Manag...  » 
Lead Image © tiero, 123RF.com
objectClass: person 20 objectClass: organizationalPerson 21 objectClass: inetOrgPerson 22 objectClass: posixAccount 23 cn: Ulrich Habel 24 gidNumber: 100 25 homeDirectory: /home/uhabel 26 sn: Habel 27 uid
16%
Monitoring container clusters with Prometheus
09.10.2017
Home »  Archive  »  2017  »  Issue 41: Kuber...  » 
Lead Image © Guido Vrola, 123RF.com
in turn stores as a separate time series. The software can already cope with millions of time series, yet version 2.0 [6] should cover more extreme Kubernetes environments with thousands of nodes
16%
Measuring the performance health of system nodes
02.08.2022
Home »  Archive  »  2022  »  Issue 70: Defen...  » 
Lead Image © Peter Hermes Furian, 123RF.com
be turned on and off according to what you want to check about the state of the node. Almost 20 years ago, when I worked for a Linux high-performance computing (HPC) company that no longer exists, we had
16%
Speed up your MySQL database
11.02.2016
Home »  Archive  »  2016  »  Issue 31: Tunin...  » 
Lead Image © Mikhail Dudarev, 123RF.com
your tuning actions. Are you looking for a shorter response time or more throughput? One objective could be, say: "Action X takes 3.5 seconds to complete after clicking – in future, we want to be done
16%
Exploring Kubernetes with Minikube
11.09.2018
Home »  Archive  »  2018  »  Issue 47: Findi...  » 
- containerPort: 80 19 20 --- 21 22 apiVersion: v1 23 kind: Service 24 metadata: 25 name: nginx-svc 26 labels: 27 run: nginx-svc 28 spec: 29 type: NodePort 30 ports: 31 - port: 80 32 protocol
16%
Getting a free TLS certificate from Let's Encrypt
13.06.2016
Home »  Archive  »  2016  »  Issue 33: IPv6...  » 
Lead Image © Stuart Miles, 123RF.com
for $i" 19 20 #If certs do not exist yet 21 FILE="$LECROOT/$i/cert.pem" 22 if [ ! -f "$FILE" ] 23 then 24 echo "$FILE does not exists, so lets get certificates" 25 cd /root/letsencrypt 26

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