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83%
Business continuity for small to medium-sized enterprises
30.11.2025
Home »  Archive  »  2012  »  Issue 08: FreeNAS  » 
© Andrea, Fotolia.com
) or even be booted in a virtual environment. This virtual boot function is perfect for smaller companies. It lets administrators boot a ShadowProtect image directly in the free VirtualBox [3] environment
83%
Connecting dissimilar IPsec implementations
30.11.2025
Home »  Archive  »  2011  »  Issue 4: Secure...  » 
© Yuri Arcurs, 123RF.com
set remote-gw 192.168.1.31 06 set psksecret ENC kB+sdP4e109vAROdm9TRn9YIzA47T3JHPK4xVOzYu/8nc3wmqBknMZBzfHU7VRuWBF2gncDuHY1ubeCk9DU3zasHi61Izu0m6cg1cdERjgNmKKcO 07 set keepalive 600 08 next
83%
OpenVPN with e-tokens in large-scale environments
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© sTan, fotolia.com
. Tokens and Certificates Of course, the VPN dial-up no longer uses a simple pre-shared key (PSK) but, instead, uses secure, centrally manageable X.509 certificates [3] that automatically expire. You can
83%
Boost performance of your Python programs
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
Eric Isselée, 123RF
() 15 p1.start() 16 p3.start() 17 18 p1.join() 19 p2.join() 20 p3.join() To see that multiprocessing creates multiple subprocesses, run the code shown in Listing 2 (counting
82%
Debugging the Linux kernel with the Qemu emulator
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Daniela Mangiuca, 123RF.com
qemu_x86_defconfigmake menuconfig (build-option, Kernel-Version 3.2, gdb, tty1)makemake linux-menuconfig (debug info) make 3. Compile the module and copy it to the root directory:cd driverexport CROSS
82%
Intruder detection with tcpdump
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Monika Wisniewska, 123RF.com
. -n Do not resolve IP addresses to domain names or port numbers to service names. -nn Don't resolve hostnames or port names. -X Show packet's content in both hex
82%
Targeted defense against brute force attacks
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
Andrii IURLOV, 123RF.com
, most likely, (3/2) x 15 seconds. Finally, -s defines the number of seconds to wait before sshguard "forgets" the attacker's IP address. The line sshguard -l /var/log/auth.log -s 20 instructs sshguard ... 3
82%
Monitoring your cluster with a home-grown OCF agent
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Aleksey Mnogosmyslov, 123RF.com
on hand; it is available on the web [2]. You will also find it useful to have the current version 1.0.2 [3] of the OCF Resource Agent Developer's Guide , created by Hastexo's Florian Haas. The Developer
82%
Installing your own Git server
30.11.2025
Home »  Archive  »  2012  »  Issue 08: FreeNAS  » 
© Guido Vrol, 123RF.com
="/usr/local/bin/gl-auth-command ofrommel",no-port-forwarding,no-X11-forwarding,no-agent-forwarding,no-pty ssh-dss AAAAB3NzaC1kc3MAAACBAOvwG6F0D2v2J8d+RsQFwozOqqFAgGkMfDK86TUA 04 ... 05 # gitolite end If everything worked, you
81%
Microsoft System Center Virtual Machine Manager 2008 R2
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© Tono Balaguer, 123RF.com
.0 or 2.0; Windows Remote Management (WinRM) 1.1 or 2.0; and the .NET framework 3.0 (SP1). The web-based SCVMM Self-Service Portal additionally requires Internet Information Server (IIS) version 7.0 or 7

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