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24%
Secure Your Server with TCP Wrappers
02.10.2012
Home »  Articles  » 
 
port 22) to port 2222, for example, to stop port scans filling up your logs. Without TCP Wrappers enabled, scans might run dictionary attacks on your server where password combinations are guessed by one
24%
Interprocess communication essentials in Perl
05.12.2019
Home »  Archive  »  2019  »  Issue 54: NVMe...  » 
Lead Image © Carsten Reisinger, 123RF.com
waitpid(-1, 0); 20 } else { 21 close READFROMCHILD; 22 close WRITETOCHILD; 23 $thisdata = ; 24 print "The child process read $thisdata"; 25 print WRITETOPARENT "The child process
24%
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
24%
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
24%
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
24%
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
24%
Speed up Your Name Server with a MySQL Back End
23.07.2013
Home »  Articles  » 
 
=gmysql # Tells our PowerDNS server we are using MySQL backend config-dir=/etc/powerdns/pdns.d/ #Specify our configuration file gmysql-host=127.0.0.1 #Configures the IP address that PowerDNS will listen
24%
Wireshark
27.11.2011
Home »  Articles  » 
 
. It was formerly known as Ethereal and is probably known to many administrators by that name. The tool was renamed when version 0.99.1 of Wireshark was released, because Ethereal developer Gerald Combs left Ethereal
24%
Kubernetes clusters within AWS EKS
02.08.2021
Home »  Archive  »  2021  »  Issue 64: Bare...  » 
Lead Image © Zlatko Guzmic, 123RF.com
blown EKS cluster. You can minimize the costs by decreasing the number of worker nodes. The billing documentation states (at the time of writing, at least, so your mileage might vary): "You pay $0.10 per
24%
Securing containers with Anchore
07.06.2019
Home »  Archive  »  2019  »  Issue 51: Self-...  » 
Lead Image © loiic, Fotolia.com
something like: /usr/lib/python2.7/dist-packages/ requests/__init__.py:80: RequestsDependencyWarning: urllib3 (1.24.1) or chardet (3.0.4) doesn't match a supported version! Requests

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