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Installing and operating the Graylog SIEM solution

13.12.2018

Home » Archive » 2018 » Issue 48: Secur... »

. The pwgen command generates a password and encrypts with sh256sum: pwgen -N 1 -s 100 echo -n | sha256sum The encrypted password is then assigned to the parameter root_password_sha2. Table 1 gives

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Tools for hardware diagnostics under Windows

26.01.2025

Home » Archive » 2025 » Issue 85: Monit... »

for disk diagnostics, delivering a full set of data and values related to hard and solid state drives (Figure 3). Besides the current S.M.A.R.T. status, the program displays the temperature, speed, write

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Identify malicious traffic with Maltrail

26.03.2025

Home » Archive » 2025 » Issue 86: Data... »

Lead Image © Andrea De Martin, 123RF.com

. In this case, the sensor sends messages by the User Datagram Protocol (UDP) to the remote server. For an initial impression of Maltrail, the developers offer an online demo [3]. Maltrail is not particularly

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Overview of cloud platforms and appliances

30.11.2025

Home » Archive » 2010 » Issue 2: Backup... »

, your scaling options are virtually unlimited, and you can add Content Delivery Networks (CDN). As an example, SlideShare [1] integrates document downloads and Flash file hosting with Amazon S3 and Cloud

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History and use of the mail utility

05.12.2014

Home » Archive » 2014 » Issue 24: Visua... »

Lead Image © Vlad Kochelaevskiy, fotolia.com

to protect against spam. If you're interested, you can install sSMTP as follows: # apt-get install ssmtp The configuration that is working for me is shown in Listing 3 and lives in the config file /etc

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Routing with Quagga

19.02.2013

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on routers by Cisco or Juniper. However, Quagga gives IT administrators the option of participating in the world’s largest group of routers – with a Linux computer. The Quagga project originated with the Zebra

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Visualizing data captured by nmon

15.08.2016

Home » Archive » 2016 » Issue 34: Softw... »

wound up with approximately 250MB of nmon logfiles. Those who use the nmon Analyser Excel spreadsheet [3] know that you cannot process logs of that size without first having to do some customization

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Packaging Apps To Run on Any Linux Device

09.10.2017

Home » Archive » 2017 » Issue 41: Kuber... »

Lead Image © Amawasri Naksakul, 123RF.com

runtime daemon as rkt [2] and the Open Container Initiative [3] take off. Since 2014, a major player in the Linux market has been touting a different type of container that is a real eye-opener. I'll take

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RSQL, a Microsoft SQL clone

09.06.2018

Home » Archive » 2018 » Issue 45: Autom... »

handling, string processing, and mathematical operations [3]. Communication between the DBS and the outside world can be established using either a database console in a terminal, intermediary software

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Safeguard and scale containers

05.12.2016

Home » Archive » 2016 » Issue 36: Autom... »

need to orchestrate the operation of Docker containers in bulk, and Kubernetes [3] (Figure 1) is a two-year-old system that does just that. As part of Google Infrastructure for Everyone Else (GIFEE

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