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17%
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
17%
Correctly integrating containers
09.10.2017
Home »  Archive  »  2017  »  Issue 41: Kuber...  » 
Lead Image © Beboy, Fotolia.com
network; the nodes typically use parts of a private network from the 10/8 class A network [8]. Flannel creates a class C network on each node and connects it internally with Docker bridge docker0 via
17%
Puppet Bolt orchestration tool
02.08.2022
Home »  Archive  »  2022  »  Issue 70: Defen...  » 
Photo by lee junda on Unsplash
docker-compose.yaml version: '3' services: target1: build: . ports: - '3000:80' - '2000:22' container_name: target1 target2: build
17%
Policy rulesets in cloud-native environments
06.10.2022
Home »  Archive  »  2022  »  Issue 71: Kuber...  » 
Lead Image © bloomua, 123RF.com
": [ 16 { 17 "GroupName": "RND-Admins" 18 } 19 ] 20 }, 21 { 22 "Path": "/", 23 "UserName": "guido", 24 "Arn": "arn:aws:iam::123456789:user/guido", 25
17%
Harden your Apache web server
25.03.2021
Home »  Archive  »  2021  »  Issue 62: Lean...  » 
PUT DELETE> Require valid-user SetHandler server-status Require ip 192.0.2.0/24 Directory and Files are always processed first. Directory
17%
Develop your own scripts for Nmap
03.12.2015
Home »  Archive  »  2015  »  Issue 30: OpenD...  » 
Lead Image © Raman Maisei, 123RF.com
DNS record for 192.168.1.100: localhost PORT STATE SERVICE 22/tcp filtered ssh 80/tcp open http |_http-vuln-check: Hello World! 443/tcp open https Nmap done: 1 IP address (1 host up) scanned in 0.23 seconds
17%
Jira, Confluence, and GitLab
18.02.2018
Home »  Archive  »  2018  »  Issue 43: Real...  » 
Lead Image © Iaroslav Neliubov, 123RF.com
_python_interpreter variables ideally remain unchanged: They cause Python to connect to the host on standard SSH port 22 and to use Python 3 when calling commands on the target system. Next, check whether the devops.hosts setup
17%
Automated OpenStack instance configuration with cloud-init and metadata service
05.02.2019
Home »  Archive  »  2019  »  Issue 49: Anato...  » 
Lead Image © jeka81, 123RF.com
', 'makecache'] with allowed return codes [0] (shell=False, capture=False) ... 2018-10-17 22:00:06,125 - util.py[DEBUG]: Running command ['yum', '-t', '-y', 'upgrade'] with allowed return codes [0] (shell
17%
Documentation Tools for Admins
20.05.2014
Home »  Archive  »  2014  »  Issue 20: IPv6...  » 
Lead Image © Sorin Colac, 123RF.com
use. Trac Trac 1.0 [18] is written in Python and released under the BSD 3-Clause license; among other things, it comes with its own ticketing system, a Subversion interface, and a journal
17%
IPv6 Tables
20.05.2014
Home »  Archive  »  2014  »  Issue 20: IPv6...  » 
Lead Image © gepard1979, 123RF.com
LAN_IF=eth0 DMZ_IF=eth2 LAN_NET=2001:db8:1::/64 DMZ_NET=2001:db8:2::/64 Next, completely reset the firewall rules to delete any previously existing rules. You can use the -F option for this. You also

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