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Kolab iRony with CalDAV and CardDAV support
11.06.2014
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Lead Image © Pablo Hidalgo, 123RF.com
installation of Kolab 3.0 and later is a matter of one or two cups of coffee and does not impose too many requirements on the admin. The Kolab developers recommend a recent CentOS (preferably 6.4) as the basis ... Open standards and open source are requisite in Kolab groupware. The alpha release of version 3.1 hugely extended the number of compatible clients with the CalDAV and CardDAV protocols, making Kolab
17%
SSL/TLS best practices for websites
07.10.2014
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Lead Image © Yevgeniya Ponomareva, Fotolia.com
as reliably as the rest of the PKI world. 4. Protocols A public website must support the TLS 1.0, TLS 1.1, and TLS 1.2 protocols. SSL 2 is obsolete and insecure. SSL 3 is also deprecated and, although
17%
Relational databases as containers
17.06.2017
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Lead Image © James Thew, 123RF.com
Software services packaged as containers finally reached the remotest corners of IT about three years ago. Docker [1], rkt [2], LXC [3], and the like see themselves confronted with technologies
17%
Detecting malware with Yara
09.10.2017
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Lead Image © Mohamad Razi Bin Husin, 123RF.com
= "A pdf file that contains a bad link" 10 11 strings: 12 $pdf_magic = {68 47 77 22} 13 $s_anchor_tag = "0 and (#s
17%
Convert Linux shell commands into PowerShell cmdlets
07.04.2022
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Photo by Larisa Birta on Unsplash
network interface you want to run the command against (e.g., Invoke-ifconfig eth0). Figure 3: The wrapper generated by Crescendo works fine on Ubuntu
17%
Automate macOS 12 with the Shortcuts app
02.08.2022
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Lead Image © Kirsty Pargeter, 123RF.com
: https://support.apple.com/en-gb/guide/shortcuts-mac/apdf22b0444c/5.0/mac/12.0 Importing Automator workflows: https://support.apple.com/en-gb/guide/shortcuts-mac/apd02bffbaac/5.0/mac/12.0 Sharing
17%
Containers made simple
04.04.2023
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Photo by Nathan Cima on Unsplash
install the community edition of Docker (Docker CE) on a current system (e.g., Ubuntu 22.04), create a persistent volume, and then start the Portainer container (Listing 1). The rest happens automatically
17%
Discover vulnerabilities with Google Tsunami
04.04.2023
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Photo by Silas Baisch on Unsplash
. The Shell Approach The following example assumes you have a host machine running Ubuntu Linux 22.04 with Java installed. Besides Java, you need Nmap network scanner version 7.80 or newer and the Ncrack
17%
Manage projects in SMEs with OpenProject
22.05.2023
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Photo by Pedro Miranda on Unsplash
Docker container. In principle, this can be started on any server with a working Docker runtime environment. The following example assumes you have a fresh Ubuntu 22.04, which can be virtualized, of course
17%
When are Kubernetes and containers not a sensible solution?
28.11.2022
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Photo by Kelly Sikkema on Unsplash
(e.g., from Ubuntu 20.04 to Ubuntu 22.04 at Canonical). If you run and are familiar with a defined set of services on your systems, you will reach your objectives far faster with classic packages than

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