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100%
Netcat – The admin's best friend
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© Dmitry Rukhlenko, 123RF.com
seconds, for example: # nc -p 16000 -w 30 examplehost.tld 22 If firewalling is in place and you need to originate your connection from a specific IP address to open a port, then you can enter: # nc -s 1.2.3 ... 12
99%
Security without firewalls
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© rukanoga, 123RF.com
starting 12.34, so, for example, 12.34.56.78 will be allowed to connect to ALL services and not just SSH. As well as these flexible options, you can also declare old school subnets directly: sshd: 1.2.3 ... 12
99%
openlava – Hot resource manager
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© Konrad Bak, 123RF.com
.cluster.openlava #----------------------------------------------------------------------- # T H I S I S A O N E P E R C L U S T E R F I L E # # This is a sample cluster definition file. There is a cluster # definition file for each cluster. This file's name should be # lsf ... 12
99%
Dynamic routing in Linux with Quagga
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© petrol, 123RF.com
password 8 ZDF339a.20a3E 05 log file /var/log/quagga/zebra.log 06 service password-encryption 07 ! 08 interface eth0 09 multicast 10 ipv6 nd suppress-ra 11 ! 12 interface eth1 13 ip address 10 ... 12
62%
Automating deployments on Proxmox with OpenTofu and cloud-init
04.12.2024
Home »  Articles  » 
Lead Image © lightwise, 123RF.com
Rubén Llorente ... " { 11 endpoint = "https://192.168.3.15:8006/" 12 username = "root@pam" 13 password = "proxmox" 14 insecure = true 15 tmp_dir = "/var/tmp" 16 17 ssh { 18 agent = true 19 } 20
61%
Automating command execution across servers
01.06.2024
Home »  Archive  »  2024  »  Issue 81: Load...  » 
Photo by Adrian Hartanto on Unsplash
Rubén Llorente ... : [devuan] 10 donkey: 11 user: root 12 host: donkey.operationalsecurity.es 13 tags: [devuan] 14 zebra: 15 user: root 16 host: zebra.operationalsecurity.es 17 tags: [devuan] 18 19
61%
An overview of the Citadel BBS
02.06.2020
Home »  Archive  »  2020  »  Issue 57: Artif...  » 
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
61%
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
61%
Discover the power of RouterBOARDS
25.09.2023
Home »  Archive  »  2023  »  Issue 77: Secur...  » 
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
54%
Automate macOS 12 with the Shortcuts app
02.08.2022
Home »  Archive  »  2022  »  Issue 70: Defen...  » 
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 ... Apple ported the Shortcuts automation tool known from the iPhone and iPad to macOS Monterey 12 to help users make their everyday work more convenient, with or without programming knowledge. ... Automate macOS 12 with the Shortcuts app

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