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A simple approach to the OCFS2 cluster filesystem
30.11.2025
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© Kheng Ho Toh, 123RF.com
from backup block#262144? <n> y Checking OCFS2 filesystem in /dev/sda1: label: backup uuid: 31 18 de 29 69 f3 4d 95 a0 99 a7 23 ab 27 f5 04 number of blocks: 367486
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Creating an SFTP jail
30.11.2025
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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 ... 3
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SSH Administration – Windows in a Unix World
30.11.2025
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Gino Santa Maria, 123RF.com
with ; or \g. 03 Your MySQL connection id is 3 to server version 5.0.22 01 Type 'help;' or '\h' for help. Type '\c' to clear the buffer. 01 mysql> Your connection to the MySQL server on the remote Unix
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Give your servers the once over with Nmap
31.10.2025
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© 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
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Dispatches from the world of IT
30.11.2025
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will be accepted through April 10, 2011. Look for more on the Contegix website http://www.contegix.com/. Icinga v1.3.0 Released with Dual-Stack Support By now ... 3
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Monitoring daemons with shell tools
30.11.2025
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© Shariff Che'Lah, 123RF.com
is not accessible! ****************" >> dba.log 15 /usr/local/etc/rc.d/002pgsql.sh start 16 sleep 15 17 psql -U monitor -d monitor -c "select * from watch;" 18 19 if [ $? -eq 0 ]; 20 21 then 22
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Linux small business servers compared
31.10.2025
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© Umzugskartons, fotolia.
eBox Technologies, and it is available as a free Basic Subscription as well as a Business and Enterprise Edition [3]. Essentially, the differences lie in the number of users and the update services
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Boost performance of your Python programs
30.11.2025
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Eric Isselée, 123RF
understanding of parallel computing [1]. I used the Ubuntu 9.10 x86_64 desktop distribution along with Python 2.7 to test the code in this article and to generate the screen shots. Breaking GIL and Extracting
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Targeted defense against brute force attacks
30.11.2025
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Andrii IURLOV, 123RF.com
-N sshguard The second command handles IPv6 packets. The next step is to extend the input chain so that network traffic is routed through the sshguard chain (Figure 2): sudo iptables -A INPUT -j ... 3
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Monitoring network computers with the Icinga Nagios fork
30.11.2025
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© Alterfalter, 123RF.com
powerful Icinga test server (Via C3, 800MHz, 256MB RAM). As a default, you need a new username and password for Icinga Web. That said, however, the current status does reveal some potential; it makes sense

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