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100%
Fast email server deployments with iRedMail
30.01.2024
Home »  Archive  »  2024  »  Issue 79: Monit...  » 
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
Home »  Archive  »  2020  »  Issue 57: Artif...  » 
Lead Image © braverabbit; 123RF.com
Rubén Llorente ... the EasyInstall script. Once the setup is complete, the following command opens the ports Citadel uses: # ufw allow 25,80,110,119,143,443,465,563,587,993,995,5222/tcp The following commands install
99%
Discover the power of RouterBOARDS
25.09.2023
Home »  Archive  »  2023  »  Issue 77: Secur...  » 
Lead Image © andreysuslov, 123RF.com
Rubén Llorente ... Llorente, Linux Magazine , issue 232, March 2020, pg. 24, https://www.linux-magazine.com/Issues/2020/232/Privoxy ARP spoofing: https://en.wikipedia.org/wiki/ARP_spoofing Creative Commons Attribution
99%
Automating command execution across servers
01.06.2024
Home »  Archive  »  2024  »  Issue 81: Load...  » 
Photo by Adrian Hartanto on Unsplash
Rubén Llorente ... # A single task is defined, which by default will 20 # run only against "devuan" hosts. 21 tasks: 22 upgradeall: 23 desc: Upgrade all packages 24 target: 25 tags: [devuan] 26 cmd: | 27
99%
Hardware-enhanced security
03.02.2022
Home »  Archive  »  2022  »  Issue 67: syst...  » 
Lead Image © Jeff Metzger, 123RF.com
Rubén Llorente ... offers a whole range of models with different capabilities, with prices ranging from EUR29 to 109 (VAT not included; or about $25--$88). They also produce a line of Qubes OS-certified laptops and Nextcloud
99%
Automating deployments on Proxmox with OpenTofu and cloud-init
04.12.2024
Home »  Articles  » 
Lead Image © lightwise, 123RF.com
Rubén Llorente ... _file { 18 path = "webserver.yml" 19 file_name = "user_data_vm-webserver.yml" 20 } 21 } 22 23 resource "proxmox_virtual_environment_file" "network_cloud_config" { 24 count = 4 25 content
57%
Encrypted backup with Duplicity
11.04.2016
Home »  Archive  »  2016  »  Issue 32: Measu...  » 
Lead Image © Boing, Photocase.com
backups are created faster. Duplicity is licensed under the GNU GPL and thus can be used free of charge. Duplicity is tailored for Linux and other Unix operating systems, such as BSD or OS X. Most major
56%
Real-World HPC: Setting Up an HPC Cluster
04.11.2011
Home »  HPC  »  Articles  » 
out the relevant line in the/etc/inittab  file. This will free up some memory: # Run xdm in runlevel 5 # x:5:respawn:/etc/X11/prefdm ‑nodaemon Now perform a first full-system package update
54%
Manage OpenVPN keys with Easy-RSA
06.10.2019
Home »  Archive  »  2019  »  Issue 53: Secur...  » 
Lead Image © Orlando Rosu, 123rf.com
in the background with command lines like that shown in Listing 1. Listing 1 OpenSSL from Hell openssl x509 -req -CA ca.crt -CAkey ca.key -set_serial 0x$(openssl rand -hex 16) -days 3650
53%
Five multipurpose thin clients compared
12.09.2013
Home »  Archive  »  2013  »  Issue 16: Docker  » 
Lead Image © David Grigg, 123RF.com
25x177mm Weight: 1.2kg 1.44kg 1.3kg 1.12kg 0.455kg Operating system RangeeLinux IGEL Linux eLux RL Windows Embedded

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