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The next generation of Internet connectivity
30.11.2025
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ktsdesign, 123RF.com
. To verify that your IPv6 setup works, try pinging a known host – Google is a good bet (Listing 2). Listing 2 Testing IPv6 Setup 01 # ping6 ipv6.google.com 02 PING ipv6.google.com(iy-in-x63.1e
13%
The fail2ban intrusion prevention framework
30.11.2025
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© Flavijus Piliponis, 123RF.com
figuring out other ways of spotting patterns – one such tag being . If you're sitting comfortably, the pattern below matches an SSH login attempt failure which, on a Debian box, lives in the /etc/fail2
13%
Monitoring for small and medium-sized companies compared
30.11.2025
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: 512MB From 16MB for the application   From 32MB (ARM CPU) - Disk Space: 8GB From 32MB, depending on the volume of data logged   From 50MB
13%
Reading email in the browser with Horde
30.11.2025
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©Daniel Villeneuve, 123RF.com
, 09 'protocol' => 'imap', 10 'port' => 143, 11 // Plaintext logins are disabled by default on 12 // IMAP servers (see RFC 3501 [6.2.3]) 13 'secure' => 'tls', 14 'maildomain ... 8
13%
Free backup tool for data centers
30.11.2025
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© andresr, fotolia.com
Password = "YdhKKoy2Huq1CVHwIR" 05 Pid Directory = "/var/run" 06 Query File = "/usr/lib/bacula/query.sql" 07 Working Directory = "/var/lib/bacula" 08 } 09 10 Fileset { 11 Name = "Full Set" 12
13%
Managing Active Directory at the command line
30.11.2025
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Flashon Studio, 123RF.com
= Get-Credential 02 New-PSDrive -PSProvider ActiveDirectory -Name AD -Root "" -Server "nyc-dc1.woodgrovebank.com" -Credential $cred Because Active Directory is an LDAP directory, PowerShell also
12%
Intrusion detection with Prelude
30.11.2025
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© Chittima Kasa, 123RF.com
11 12 13 Order allow,deny 14 Allow from all 15 16 17 Alias /prewikka/ /usr/share/prewikka/htdocs/ 18 ScriptAlias / /usr/share/prewikka/cgi-bin/prewikka.cgi 19
12%
How Upstart boots Ubuntu-based systems
30.11.2025
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start on filesystem 05 exec /usr/bin/measd --log=/var/log/noise/measure.log 06 07 pre-start script 08 # Create required script: 09 mkdir -p /var/log/noise 10 end script 11 12 post-stop script 13 # Clean
12%
SSH Administration – Windows in a Unix World
30.11.2025
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Gino Santa Maria, 123RF.com
saved in /home/khess/.ssh/id_rsa.pub. 09 the key fingerprint is: 10 6d:2c:04:dd:bf:b2:de:e1:fc:52:e9:7f:59:10:98:bb khess@windows 11 The key's randomart image is: 12 +--[ RSA 2048]----+ 13 | .. . o
12%
Galera Cluster for MySQL
30.11.2025
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© Noel Powell, fotolia.com
temporarily with Listing 5 Error Messages sh: /sbin/ifconfig: Permission denied 120405 8:29:02 [ERROR] WSREP: Failed to read output of: '/sbin/ifconfig | \ grep -m1 -1 -E '^[a-z]?eth[0-9

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