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94%
ARP cache poisoning and packet sniffing
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
© elisanth, 123RF.com
Destination MAC address Listing 1 Nemesis arp Packets 01 $ while true 02 > do 03 > sudo nemesis arp -v -r -d eth0 -S 192.168.1.2 -D 192.168.1.133 -h 00:22:6E:71:04:BB -m 00:0C:29:B2 ... 6
94%
Office 365 vs. Google Apps – Microsoft strikes back
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
© Helder Almeida, 123RF.com
://www.microsoft.com/en-us/office365/deployment-support.aspx Exchange Autodiscover: http://www.msxfaq.de/e2007/autodiscover.htm Office 365 e-book download: http://download.microsoft.com/download/1/2/F/12F1FF78-73E1-4714-9A08-6A76 ... 6
94%
An IT nomad's daily diary
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
© Kateryna Pruchkovska, 123RF.com
is adding these entries to the Cobbler database. A typical example looks something like Listing 1. Listing 1 System Settings 01 # cobbler system add --name=foo --profile=ksprofile-devel-rhel6 ... 6
94%
Optimizing Hyper-V network settings
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
© Stefan Hermans, Fotolia.com
virtual network adapters. /p deletes the settings of the virtual network adapter. /n deletes a special network. This tool is particularly useful if you are running Hyper-V on core servers where ... 6
94%
Checking password complexity with John the Ripper
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
from compromised systems is John the Ripper (John). John is a free tool from Openwall [1]. System administrators should use John to perform internal password audits. It's a small (<1MB) and simple ... 6
94%
The Ruby Version Manager (RVM) hands-on
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
©Mettusr, 123RF.com
and Curl up front. On Debian/Ubuntu you can prepare the system for the RVM installation by typing: apt-get install curl git-core If you follow the official "Quick Installation" method [6], you then call ... 6
87%
Automating deployments on Proxmox with OpenTofu and cloud-init
04.12.2024
Home »  Articles  » 
Lead Image © lightwise, 123RF.com
Rubén Llorente ... them in an orderly manner. Proxmox VE has been covered before in other articles [5][6], so I suggest you check them out if you want an in-depth review
87%
An overview of the Citadel BBS
02.06.2020
Home »  Archive  »  2020  »  Issue 57: Artif...  » 
Lead Image © braverabbit; 123RF.com
Rubén Llorente ... . Citadel Rooms Citadel's main characteristic is that everything is a room, at least internally. Rooms are arranged by floors (Figure 6). For example, on a floor called Animal Talk , you might have the rooms
86%
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
86%
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

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