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91%
Clustering with OpenAIS and Corosync
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
brunoilfo, 123RF.com
" votes="1" nodeid="1"> 07 08 09 10 11 12 13 14
91%
Reading and understanding database execution plans
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© Gunnar Pippel, 123RF.com
s 04 4> JOIN employees e ON (s.employee_id = e.employee_id) 05 5> WHERE s.sale_date > trunc(sysdate) - INTERVAL '6' MONTH 06 6> AND s.eur_value >= 10; 07 Explained. 08 09 SQL> select * from table
91%
Debugging the Linux kernel with the Qemu emulator
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Daniela Mangiuca, 123RF.com
filesystem using, for example: Listing 1 Makefile 01 ifneq ($(KERNELRELEASE),) 02 obj-m := hello.o 03 04 else 05 PWD := $(shell pwd) 06 KDIR := ~/buildroot-2011.08/output/build/linux-3.1/ 07
90%
Linux small business servers compared
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© Umzugskartons, fotolia.
. Unfortunately, version 2.2, available since September 2011, is no longer up to date as far as software packages are concerned, which in some cases could lead to weaknesses in security. Version 2.2 runs on top
90%
Targeted defense against brute force attacks
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
Andrii IURLOV, 123RF.com
specific ports with sshguard, you can use the --destination-ports parameter to find them. For example, sudo iptables -A INPUT -m multiport -p tcp --destination-ports 21,22 -j sshguard would block only
90%
Server virtualization with Citrix XenServer
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
Goss Vitalij, Fotolia
.Xensource.xenapi.Connection; 07 import com.Xensource.xenapi.Host; 08 import com.Xensource.xenapi.Session; 09 import com.Xensource.xenapi.Task; 10 11 import de.pm.xenserver.utils.Server; 12 13 public class TestAPI { 14 15
90%
Maatkit tools for database administrators
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
tiero, 123RF
SKIPPED DATABASE.TABLE 04 db 11.43 0 0 datenkrake 05 db 1.34 0 0 limesurvey 06 db 2.75 0 0 sprzblog 07 db 2.67 0 0 mysql 08 db 3.45 0
89%
Creating KVM machines with BoxGrinder and VMBuilder
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© yewkeo, 123RF.com
boxgrinder-build --version 02 BoxGrinder Build 0.10.2 03 04 Available os plugins: 05 - rhel plugin for Red Hat Enterprise Linux 06 - centos plugin for CentOS 07 - fedora plugin for Fedora 08
89%
Introduction to behavior-driven monitoring
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
Mariya Herasymenko, 123RF
: Logging in 06 Given I am on http://www.xing.com/ 07 When I fill in "username-field" with "username" 08 And I fill in "password-field" with "password" 09 And I press "login-button" 10 Then I
89%
I/O benchmarks with Fio
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© Kheng Ho Toh, 123RF.com
Synchronous I/O 01 [global] 02 ioengine=sync 03 direct=1 04 rw=randread 05 size=256m 06 filename=testfile 07 08 [randomread] 09 [sequentialread] 10 stonewall 11 rw

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