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11%
The fail2ban intrusion prevention framework
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
© Flavijus Piliponis, 123RF.com
in the directory structure is clear once you've installed it. Script Kiddies and Port 22 As I mentioned, the most popular usage of fail2ban is stopping probes that try every username ever conceived by mankind
11%
Server virtualization with VirtualBox
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
© Federico Caputo, 123RF.com
also starts automatically after a reboot. Next, install the packages required for running phpVirtualBox: sudo apt-get install apache2-mpm-prefork apache2-utils apache2.2-bin apache2.2-common apache2
11%
Live migration of virtual machines on Hyper-V
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© Anna Omelchenko, 123RF.com
on Linux servers. Windows 8 and Windows Server 2012 introduce the new SMB protocol 2.2. It accelerates access to data on the network that has normally been stored locally, such as SQL Server databases
11%
Monitoring your cluster with a home-grown OCF agent
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Aleksey Mnogosmyslov, 123RF.com
under the 18 # following copyright: 19 # 20 # (c) 2002-2005 International Business Machines, Inc. 21 # 2005-2010 Linux-HA contributors 22 # 23 # See usage() function below for more details ... 24 # 25
11%
Data acquisition with shell tools
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
Dmitriy Syechin, 123RF
"------------------------------------------------------" 18 echo -n "Replace stored data line (y)? ";read we 19 if [ "$we" = "y" ]; 20 then 21 22 # Delete line and write to 23 # temporary file 24 25 # Build sed instruction 26
11%
Tested: Autoconfiguring IPv6 clients
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© Benis Arapovic, 123RF.com
, the MAC address (e.g., 00:11:22:33:44:55) is split down the middle, and two bytes containing FF:FE are inserted. This gives you 64 bits. If the basis is a globally unique address (which should be the case
11%
A simple approach to the OCFS2 cluster filesystem
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© Kheng Ho Toh, 123RF.com
_dlm] root 3467 7 0 20:07 ? 00:00:00 [o2net] root 3965 7 0 20:24 ? 00:00:00 [ocfs2_wq] root 7921 7 0 22:40 ? 00:00:00 [o2hb-BD5A574EC8] root 7935 7
11%
RAM revealed
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
© KrishnaKumar Sivaraman, 123RF.com
or four bank groups Typical structure widths (nm) 150, 100 100, 90, 80, 60 80, 60, 50, 40, 30, 25 30 Error Correction No matter which generation of DDR you
11%
An IT nomad's diary
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© 2012 Apple Inc.
: plug another memory leak 05 c90fc4c934ac7b024c1fc1813bb3cffb5333e18f lockdown: move writing of device uuid to client struct inside lockdownd_client_new() 06 f0487376671ffd6ac3fc121657f1fbd0acea3cb0
11%
Creating an SFTP jail
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
Juan Manuel Ordonez, 123RF.com
be replaced solely with the sshd configuration directives shown in Listing 3. Line 16 specifies that SFTP will listen on port 2202 instead of the default SSH port 22. This option is configurable and left

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