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Network monitoring with Icinga and Raspberry Pi

17.02.2015

Home » Archive » 2015 » Issue 25: Safe... »

web interface, a REST API, and support for a wider array of databases. Because Icinga was forked from Nagios code, it maintains compatibility with Nagios plugins [3]. Some of Icinga's key features are

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Setting up SSL connections on Apache 2

18.07.2013

Home » Archive » 2013 » Issue 15: What’... »

, it is already in the /etc/apache2/ports.conf file; openSUSE 12.3 uses /etc/apache2/listen.conf, and on CentOS it's in /etc/httpd/conf.d/ssl.conf. If necessary, remove the hash signs (#) that comment out

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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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Serverless computing with AWS Lambda

30.01.2020

Home » Archive » 2020 » Issue 55: AWS L... »

Id: 4e90b424-95d9-4453-a2f4-8f5259f5f263 Duration: 70.72 ms Billed Duration: 100 ms Memory Size: 128 MB Max Memory Used: 55 MB Init Duration: 129.20 ms More or Less

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Error-correcting code memory keeps single-bit errors at bay

14.11.2013

Home » Archive » 2013 » Issue 17: Cloud... »

of an uncorrectable error by factors of 9-400. Uncorrectable errors following a correctable error are still small at 0.1%-2.3% per year. + The incidence of correctable errors increases with age

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Julia: Fast as Fortran, easy as Python

09.04.2019

Home » Archive » 2019 » Issue 50: Bpfilter »

Julia julia> 1//2 + 1//3 5//6 julia> numerator(10//12) 5 julia> 2//3 == 4//6 true julia> 2//3 == 4/6 false After strings and the various types of numbers, the most important built-in data type

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Maintaining Android in the enterprise

21.08.2014

Home » Archive » 2014 » Issue 22: OpenS... »

* 10 * daemon started successfully * 11 List of devices attached 12 015d8bed0d3c0814 device If you use the commands from the SDK regularly, it makes sense to add its path, preferably like

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Guarding against social engineering attacks

01.08.2019

Home » Archive » 2019 » Issue 52: Stop... »

to check the hash reported by your SHA256 checksum tool with the listed checksum to verify that you have indeed downloaded the correct file and it has not been tampered with en route: $ sha256sum backbox-5.3

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Free Enterprise Backup with Bareos

12.11.2013

Home » Articles »

community to continue development of an independent fork named Bareos. The first stable release was Bareos 12.4 in April 2013 (the version number stands for the year and the quarter of the feature freeze

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CRI-O and Kubernetes Security

30.11.2020

Home » Archive » 2020 » Issue 60: Secur... »

cri-o-${CRIO_VERSION} The following NEW packages will be installed cri-o-1.17 0 to upgrade, 1 to newly install, 0 to remove and 0 not to upgrade. Need to get 17.3 MB of archives. After this operation

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