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70%
Reading and understanding database execution plans
31.10.2025
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© Gunnar Pippel, 123RF.com
the explain plan for command in combination with the DBMS_XPLAN.DISPLAY function call (see Example 1). Example 1: Oracle Execution Plan 01 SQL> explain plan for<+>1<+> 02 2> SELECT * 03 3> FROM sales
70%
Centralized software repository management
30.11.2025
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© 1xpert, 123RF.com
_64 07 enabled = 1 08 sslverify = 0 09 gpgcheck = 1 10 baseurl = https://ipa1.virt.tuxgeek.de/pulp/repos/pub/fedora/linux/releases/14/Everything/x86_64/os To help you keep track of which clients
70%
Avoiding chaos in clusters with fencing
30.11.2025
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© kobra78, Fotolia.com
interval="0" timeout="60" 05 op stop interval="0" timeout="60" 06 op monitor start-delay="0" interval="1200" 07 meta resource-stickiness="0" failure-timeout="180" 08 09 primitive stonith_bob stonith
70%
Agile system management in large-scale environments with Func
30.11.2025
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bowie15, 123RF
/bin/python 02 03 import func.overlord.client as fc 04 05 results = fc.Client("@ldap").service.status("dirsrv") 06 07 for (host, returns) in results.iteritems(): 08 if returns == 0: 09 print host, "LDAP ... 3
70%
Apache 2.4 with mod_lua
30.11.2025
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© Tom Grundy, 123RF.com
type="text" name="firstname"> 07
08 09 10 11 Listing 3 shows the content
70%
Targeted defense against brute force attacks
30.11.2025
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Andrii IURLOV, 123RF.com
with Linux Debian 5.0.7, Ubuntu 10.10, and openSUSE 11.3. If you don't use Linux, check out the "Other Operating Systems" box. Other Operating Systems If you do not use Linux, you'll need to find out ... 3
70%
Managing computers with Rex
31.10.2025
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© Stanislav Rishnyak, 123RF.com
_syslog => "local0"; You need to add one of the two lines to the Rexfile before the first task. A word of caution: In both cases, only the messages generated by Rex itself end up in the logfiles. The returned uptime
70%
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
70%
Installing your own Git server
30.11.2025
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© 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
69%
Password protection with Phpass
30.11.2025
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© Michael Moeller, fotolia.com
is only defined to increase the number of potential hashes, this is not a security issue. Security Class Phpass works with PHP 3.0.18 or newer. If you want to make sure that Phpass will use Bcrypt as its

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