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Fast email server deployments with iRedMail
30.01.2024
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Lead Image © Konstantin Inozemtcev, 123RF.com
Rubén Llorente ... 8, 9 Debian 11, 12 Ubuntu 20.04, 22.04 FreeBSD 13.x OpenBSD 7.3 I recommend the downloadable installer, but I will skip
99%
An overview of the Citadel BBS
02.06.2020
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Lead Image © braverabbit; 123RF.com
Rubén Llorente ... . Figure 9: A user must be authorized by the administrator to send external email. The software provides POP3, IMAP, and SMPT access, so the email services from Citadel can be used with common email
99%
Discover the power of RouterBOARDS
25.09.2023
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Lead Image © andreysuslov, 123RF.com
Rubén Llorente ... on top of the ruleset that limits its traffic to 1Mbps upload and 2Mbps download. Listing 3 Static DHCP Leases /ip dhcp-server lease add address=192.168.90.211 mac-address=b6:c2
99%
Automating command execution across servers
01.06.2024
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Photo by Adrian Hartanto on Unsplash
Rubén Llorente ... is not verified. The purpose of this routine is to prevent man-in-the-middle (MITM) attacks. Sake uses the x/crypto/ssh Go package, which is a bit quirky [3]. An issue I stumbled on when testing Sake
99%
Hardware-enhanced security
03.02.2022
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Lead Image © Jeff Metzger, 123RF.com
Rubén Llorente ... application to interface with the Nitrokey. Thankfully, you are provided a free, open source program [3] that supports FreeBSD, macOS, Windows, and many Linux distributions. AppImages, Flatpaks, and Snaps
99%
Automating deployments on Proxmox with OpenTofu and cloud-init
04.12.2024
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Lead Image © lightwise, 123RF.com
Rubén Llorente ... of machines. Tools such as FAI created for physical machines are of use when deploying virtual machines, as well, as are distro-specific tools (e.g., autoinstall for OpenBSD [2], preseed for Debian [3
58%
Processor and Memory Metrics
12.02.2014
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(total), "=" * 33)) >         sys.stdout.write("%sB \n" % human(total)); 449c450 <     print_header() --- >     #print_header() 475a477 > You can apply this patch to the file as patch ps_mem.py where
56%
Warewulf 4 – Time and Resource Management
17.01.2023
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:  ohpc-slurm-server              x86_64     2.6-7.1.ohpc.2.6          OpenHPC-updates     7.0 k Installing dependencies:  mariadb-connector-c            x86_64     3.1.11-2.el8_3            appstream
56%
Building a HPC cluster with Warewulf 4
04.04.2023
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Photo by Andrew Ly on Unsplash
: ohpc-slurm-server x86_64 2.6-7.1.ohpc.2.6 OpenHPC-updates 7.0 k Installing dependencies: mariadb-connector-c x86_64 3.1.11-2.el8_3 appstream
54%
OpenACC – Data Management
07.02.2019
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exiting the data region, the data from the accelerator is copied back to the host. Table 3 shows a simple example of using the copy  clause. Table 3: The copy  Clause Fortran C !$acc data copy(a

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