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36%
Open source mail archiving software compared
09.08.2015
Home »  Archive  »  2015  »  Issue 28: SSD RAID  » 
Lead Image © Alexander Dedrin, 123RF.com
: It must be possible to make data available within a reasonable period of time. Migration to new storage technologies must be possible. The storage must be capable of handling growth in the long term
36%
Tuning SSD RAID for optimal performance
09.08.2015
Home »  Archive  »  2015  »  Issue 28: SSD RAID  » 
Lead Image © ELEN, Fotolia.com
to form a page (e.g., 8KB). Several pages then form a block (~2MB). At this level, the first peculiarity of flash memory already comes to light: Whereas new data can be written to unused pages, subsequent
36%
Cloud security with AWS GuardDuty
04.08.2020
Home »  Archive  »  2020  »  Issue 58: Graph...  » 
Lead Image © Amy Walters, 123RF.com
-party DNS server (e.g., Google, 8.8.8.8), GuardDuty cannot analyze the DNS logs. Figure 1: GuardDuty monitoring solution at a glance. Apart from
36%
Manage OpenVPN keys with Easy-RSA
06.10.2019
Home »  Archive  »  2019  »  Issue 53: Secur...  » 
Lead Image © Orlando Rosu, 123rf.com
to install a new configuration or new certificates." Listing 4 revoke_remove_cert_without_user 01 #!/bin/sh 02 /opt/openvpn/scripts/checkCertWithoutUser.pl | xargs --no-run-if-empty --replace
36%
Proactive Monitoring
11.10.2016
Home »  Archive  »  2016  »  Issue 35: Persi...  » 
Lead Image © Tom Wang, 123RF.com
to the Graphite server and that the expired function logs all expired events in the previously defined logfile. After you have edited the file, load the new configuration with service reload or kill SIGHUP. A look
36%
Network backups with Amanda
05.12.2016
Home »  Archive  »  2016  »  Issue 36: Autom...  » 
Lead Image © Tommaso Lizzul, 123RF.com
.amandahosts exists somewhere on the backup server. If not, create a new copy in the home directory of the amanda user. Then, open .amandahosts as the amanda user with a text editor – on Ubuntu, type sudo -u
36%
Roll out hybrid clouds with Ansible  automation
14.03.2018
Home »  Archive  »  2018  »  Issue 44: Cloud...  » 
Lead Image © markovka, 123RF.com
Ops" by Martin Loschwitz, ADMIN , issue 42, 2017, pg. 30, http://www.admin-magazine.com/Archive/2017/42/DebOps-delivers-easy-Ansible-automation-for-Debian-based-systems2 "What's New in Ansible 2
36%
Kubernetes networking in the kernel
05.08.2024
Home »  Archive  »  2024  »  Issue 82: Sover...  » 
Lead Image © balein, 123RF.com
between all hosts and that each host must be able to receive UDP packets on port 8472. Pods on the Same Node When a node's container runtime (e.g., containerd) creates a new pod, it leverages the Linux
36%
Border Gateway Protocol
30.01.2024
Home »  Archive  »  2024  »  Issue 79: Monit...  » 
Lead Image © Rachael Arnott, 123RF.com
new setup is required, which means learning hundreds of thousands of items of routing information; the end effect is a denial of service as it is happening. Authentication by cryptographic procedures
36%
OpenStack workshop, part 3:Gimmicks, extensions, and high availability
16.05.2013
Home »  Archive  »  2013  »  Issue 14: Samba 4  » 
© Steven Frame, 123RF
000609-a85f-4d46-8abd-... Created a new floatingip: +---------------------+--------------------------------------+ | Field | Value

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