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10%
A script for strict packet filter updates
05.12.2016
Home »  Archive  »  2016  »  Issue 36: Autom...  » 
Lead Image © french 03, photocase.com
-interactive/pam for root from 1.0.0.1 port 4321 ssh2 # Feb 22 8:00:10 AM hostname sshd[1234]: Failed keyboard-interactive/pam for invalid user mysql from 1.0.0.1 port 4322 ssh2 FILTER=' cat /var/log/secure | awk '\''$5
10%
Proactive Monitoring
11.10.2016
Home »  Archive  »  2016  »  Issue 35: Persi...  » 
Lead Image © Tom Wang, 123RF.com
in the long term. Test Environment In the test lab, both Centos 7.1 and Ubuntu 16.04 received version 0.2.11 dated April 20, 2016. The test team simulated two data centers at different locations
10%
S3QL filesystem for cloud backups
09.01.2013
Home »  Archive  »  2013  »  Issue 18: New W...  » 
Lead Image © stylephotographs, 123RF.com
the instructions for installing Python 2.7 from the PUIAS repo [22]. In case you are wondering, PUIAS is a project of the members of Princeton University and the Institute for Advanced Studies (IAS). Although
10%
GUI or Text-Based Interface?
05.12.2018
Home »  HPC  »  Articles  » 
(Wikipedia, CC BY-SA 3.0). Another option is the Newt library, which focuses on color TUIs (Figure 2) and uses a widget approach, making programming a TUI much easier. With Newt, you can create stacked
10%
Remote maintenance and automation with RPort
07.04.2022
Home »  Archive  »  2022  »  Issue 68: Autom...  » 
Photo by Claudia Soraya on Unsplash
server in Azure, Amazon Elastic Compute Cloud (AWS EC2), or Google Compute, you have to pay attention to the correct firewall settings when creating the VM. In addition to SSH port 22, you need to allow
10%
Installing and operating the Graylog SIEM solution
13.12.2018
Home »  Archive  »  2018  »  Issue 48: Secur...  » 
Lead Image © Leo Blanchette, 123RF.com
], and MongoDB 3.6 [3]. If not already present, installing Java (as root or using sudo) before Elasticsearch and MongoDB is recommended: yum install java-1.8.0-openjdk-headless.x86_64 You should remain root
10%
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
10%
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
10%
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
10%
Jenkins Configuration as Code
07.06.2019
Home »  Archive  »  2019  »  Issue 51: Self-...  » 
Lead Image © Amri Wolfgang, 123RF.com
# Jenkins home directory is a volume, so configuration and build history 22 # can be persisted and survive image upgrades 23 VOLUME ${JENKINS_HOME} 24 USER ${JENKINS_USER} 25 26 ARG JENKINS

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