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11%
Analyzing tricky database problems
14.03.2018
Home »  Archive  »  2018  »  Issue 44: Cloud...  » 
Photo by Quino Al on Unsplash
. The infrastructure also includes three LDAP servers, six NFS servers (based on Ceph), and two HAProxy load balancers. Monitoring is done via Graphite [5], with an Elasticsearch [6], Logstash [7], and Kibana [8] (ELK
11%
Let the hardware do the heavy lifting
09.06.2018
Home »  Archive  »  2018  »  Issue 45: Autom...  » 
Photo by Victor Freitas on Unsplash
the AES256-GCM-SHA128 cipher suit. The numbers we observed were astounding. The 100G network adapter with inline TLS delivered 98Gbps of Tx and Rx, with 20% CPU usage, whereas the same test without inline
11%
Automate the Active Directory Federation Services install
11.04.2016
Home »  Archive  »  2016  »  Issue 32: Measu...  » 
Lead Image © drubig-photo, fotolia.com
.kbcorp.de"; Initial Catalog=ADFSConfiguration;Integrated Security=True;Min Pool Size=20" The -SQLConnectionString parameter is used here for a new farm node in the same way it is used for a new
11%
Live migration of virtual machines with KVM
13.06.2016
Home »  Archive  »  2016  »  Issue 33: IPv6...  » 
Lead Image © SV-Luma, 123RF.com
(e.g., iSCSI, Fibre Channel), or you can stick with NFS. For example, NetApp Clustered ONTAP also offers support for pNFS, which newer Linux distributions such as Red Hat Enterprise Linux or CentOS  6
11%
Distributed denial of service attacks from and against the cloud
14.11.2013
Home »  Archive  »  2013  »  Issue 17: Cloud...  » 
Lead Image © leksustuss, 123RF.com
. Therefore, the URL must be modified slightly for each instance of access. Thus, just 6,000 unsuspecting users of a browser like Chrome can generate a flood of up to one million requests per second. Attacks
11%
Flexible backup for large-scale environments
05.08.2024
Home »  Archive  »  2024  »  Issue 82: Sover...  » 
Photo by Nils Bouillard on Unsplash
IBM 3592-60 [4] tape drives completes the storage system. Each drive can write a tape with up to 20TB of uncompressed data. Hosts are connected to the tape drives over two redundant Fibre Channel paths
11%
Secure status and event monitoring of tier 0 systems
30.01.2024
Home »  Archive  »  2024  »  Issue 79: Monit...  » 
Lead Image © Brian Jackson, 123RF.com
. With or Without an Agent Virtually no other architectural issue has prompted so much debate in the monitoring community over the last 20 years as the use of dedicated agents. In fact, modern operating systems
11%
Building a defense against DDoS attacks
30.01.2024
Home »  Archive  »  2024  »  Issue 79: Monit...  » 
step further with CrowdSec [6]. The principle is similar to Fail2Ban; all participants share the list of blocked addresses. When an unknown attacker attacks its first server, this server informs
11%
Self-hosted remote support
03.04.2024
Home »  Archive  »  2024  »  Issue 80: Threa...  » 
Photo by Karsten Würth on Unsplash
of a few simple steps in the Synology Disk Station Manager (DSM) web interface without shell access. I tested my own instances on Microsoft Windows Server 2022 and Ubuntu 20.04 LTS (Focal Fossa). The steps
11%
Fight Windows ransomware with on-board tools
03.04.2024
Home »  Archive  »  2024  »  Issue 80: Threa...  » 
Photo by John Cameron on Unsplash
a 20-character password can fail if it falls into the hands of attackers. Therefore you need multifactor authentication (MFA), one-time passwords (OTPs), and similar procedures. Many companies have

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