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36%
Discover the power of RouterBOARDS
25.09.2023
Home »  Archive  »  2023  »  Issue 77: Secur...  » 
Lead Image © andreysuslov, 123RF.com
Rubén Llorente ... is easy enough (superuser privileges are required): arp -s 192.168.90.55 00:0c:29:c1:91:b1 The last field of the command is the MAC address, which is the unique identifier of the network device to which
36%
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
35%
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
35%
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
34%
IPv6 Tables
20.05.2014
Home »  Archive  »  2014  »  Issue 20: IPv6...  » 
Lead Image © gepard1979, 123RF.com
, you can define the following anti-spoofing rules: # Anti-spoofing ip6tables -A INPUT ! -i lo -s ::1/128 -j DROP ip6tables -A INPUT -i $WAN_IF -s FC00::/7 -j DROP ip6tables -A FORWARD -s ::1/128 -j DROP ... We design a basic set of ip6tables rules for an IPv6 firewall. ... ip6tables Rules ... IPv6 Tables ... Creating Firewall Rules with ip6tables
24%
Listing 1
21.08.2012
Home »  HPC  »  Articles  »  Warewulf 4 Code  » 
 
/primary_db                                                                                                         | 4.6 MB     00:02 rpmforge                                                                                                                | 1.9 kB     00:00 sl
22%
Wireshark
27.11.2011
Home »  Articles  » 
 
An administrator can only gain useful insights from network analysis if they understand the underlying procedures and protocols. The new version of Wireshark, 1.6, formerly known as Ethereal, can ... for recording and to view JPG files directly in Wireshark. Version 1.6 of Wireshark (which prompted me to write this article) was released in July 2011 and offers better support for large files of more than 2GB
21%
Listing 4
21.08.2012
Home »  HPC  »  Articles  »  Warewulf 4 Code  » 
 
                                              | 119 kB     00:00 (6/19): glib2-2.22.5-6.el6.i686.rpm                                              | 1.1 MB     00:00 (7/19): libX11-1.3-2.el6.i686.rpm
19%
Listing 5
21.08.2012
Home »  HPC  »  Articles  »  Warewulf 4 Code  » 
 
.3.3-14.el6_3.x86_64.rpm                                | 2.2 MB     00:01 (3/4): php-common-5.3.3-14.el6_3.x86_64.rpm                             | 522 kB     00:00 (4/4): php-gd-5.3.3-14.el6_3.x86_64.rpm
19%
Network analysis with the Bro Network Security Monitor
05.12.2014
Home »  Archive  »  2014  »  Issue 24: Visua...  » 
Lead Image © Aleksey Mnogosmyslov, 123RF.com
.519354 pkts=6 kpps=0.0 kbytes=0 mbps=0.0 nic_pkts=16 nic_drops=0 u=2 t=2 i=0 o=0 nonip=2 1415510244.519597 pkts=6 kpps=0.0 kbytes=0 mbps=0.0 nic_pkts=22 nic_drops=0 u=2 t=2 i=0 o=0 nonip=2 1415510247

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