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17%
Managing Linux Memory
11.06.2014
Home »  Archive  »  2014  »  Issue 21: Manag...  » 
Lead Image © J.R. Bale, 123RF.com
the (synthetic) throughput of the SAP application server changes if disk-based operations also occur in parallel. As a 100 percent reference value, we also performed a test cycle without parallel disk access
17%
NetFlow reporting with Google Analytics
10.06.2015
Home »  Archive  »  2015  »  Issue 27: Fault...  » 
Lead Image © Qi Feng, 123RF.com
source nfdump [5] tool does this job on an existing Linux server or on a lean virtual machine (VM). A CPU core, 256MB of RAM, and a 2GB hard drive are sufficient for the VM. You can install on Cent
17%
Getting started with the Apache Cassandra database
06.10.2019
Home »  Archive  »  2019  »  Issue 53: Secur...  » 
Photo by Almos Bechtold on Unsplash
have been able to do this safely and inexpensively. The MySQL database used until then had reached its limits at a size of 7TB and more than 100 million users. Two Facebook programmers, Avinash Lakshman
17%
Secure Your KVM Virtual Machines
11.06.2014
Home »  Archive  »  2014  »  Issue 21: Manag...  » 
Lead Image © George Tsartsianidis, 123RF.com
can be regulated by SELinux, AppArmor, or some other mandatory access control system. The sVirt component in libvirt 0.6.1 and newer actually does some of the work for SELinux and AppArmor [2
17%
OCI containers with Podman
06.10.2019
Home »  Archive  »  2019  »  Issue 53: Secur...  » 
Photo by Ray Aucott on Unsplash
. 21 # 22 [registries.block] 23 registries = [] These registries are called when Podman can't find an image locally or if an image doesn't contain a fully qualified registry name within an image
17%
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
17%
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
17%
Wireshark
27.11.2011
Home »  Articles  » 
 
support for Python scripts and the ability to right-click the packet details in the packet list to add protocol fields. The release of Libpcap 1.0.0 added the ability to define the buffer size
17%
Energy efficiency in the data center
03.08.2023
Home »  Archive  »  2023  »  Issue 76: Energ...  » 
Photo by Ussama Azam on Unsplash
supplied to the devices – is a common method for calculating the cost of an infrastructure. With a theoretical PUE value of 1.0, the components would receive 100 percent of the energy used in the data center
17%
Kea, the ISC's successor to the DHCP daemon
03.08.2023
Home »  Archive  »  2023  »  Issue 76: Energ...  » 
Photo by Markus Winkler on Unsplash
in 2014. At the time of writing, the available Kea versions were 2.2.0 (July 2022, Current-Stable) and 2.3.6 (March 2023, Experimental-Development). Most distributions have prebuilt Kea packages

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