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19%
Give your servers the once over with Nmap
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© ragsac, 123RF.com
.nmap.org (64.13.134.52): Not shown: 994 filtered ports PORT STATE SERVICE VERSION 22/tcp open ssh OpenSSH 4.3 (protocol 2.0) 25/tcp closed smtp
19%
News for Admins
25.03.2021
Home »  Archive  »  2021  »  Issue 62: Lean...  » 
 
PHP framework. Unit 42 estimates around 500 to 1,000 infected systems are currently being used by WatchDog to mine for cryptocurrency and the total profit was estimated at 209 Monero coins (worth roughly $32,000
19%
Protect Your Servers with Nmap
23.07.2012
Home »  Articles  » 
 
 for brevity]            8   10.59 so-4-2-0.mpr3.pao1.us.above.net (64.125.28.142)            9   11.00 metro0.sv.svcolo.com (208.185.168.173)            10  9.93  scanme.nmap.org (64.13.134.52)            Nmap
19%
Hunt down vulnerabilities with the Metasploit pen-testing tool
28.11.2021
Home »  Archive  »  2021  »  Issue 66: Inci...  » 
Lead Image © bluebay, 123rf.com
] about how the Dalai Lama and many a government had exploits foisted on them in PDFs [3]. Metasploit is everywhere. Charly Kühnast also covered the topic in his Linux Magazine sys admin column [4
19%
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
19%
Secure your data channel with stunnel
25.03.2020
Home »  Archive  »  2020  »  Issue 56: Secur...  » 
Lead Image © Petr Vaclavek, 123RF.com
ZJOUoUsZGlkk client2:q0eL78zFrbnESW6c/F0qit5MNCpS8IBgyh1BdXiyyuI client3:zkq8eT31Nib3IHWfp0yyu15BCW52VMbY8+LhVUt3ylA The client uses the appropriate password in the /etc/stunnel/psk-client1.txt file: client1:Wf
19%
VMware is hit by lawsuit contending GPL violation
10.06.2015
Home »  Archive  »  2015  »  Issue 27: Fault...  » 
Lead Image © Sean Gladwell, Fotolia.com
of Linux kernel developer Christoph Hellwig. One of the 20 most prolific contributors to the Linux kernel, Hellwig has penned 279,653 lines of codes in kernel version 3.19. Hellwig also has expertise
19%
pfSense firewall and router distribution
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Sergey Mironov, 123RF.com
access point, a DNS server, and even a WLAN access point. Despite all this, the complete system weighs in at just 100MB, and to get started, you just need a USB stick and 128MB of RAM. If the built
19%
Run One Program at any Scale with Legate
08.06.2021
Home »  HPC  »  Articles  » 
installed into /usr/local/anaconda3  by root . The startup definitions for Anaconda were in my .bashrc file, so it ran just fine before building legate.core . The laptop I used has the following
19%
Energy efficiency in the data center
03.08.2023
Home »  Archive  »  2023  »  Issue 76: Energ...  » 
Photo by Ussama Azam on Unsplash
to Bitkom [1], Germany alone has more than 3,000 data centers with greater than 40kW of IT connection capacity and at least 10 server racks, as well as around 47,000 smaller IT installations, and the trend

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