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90%
Monitoring virtualization environments with Nagios and Icinga
30.11.2025
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Archive
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2010
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Issue 2: Backup...
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CPU ZONE $ # 0 48 470M 482M
1.5
% 4:05:57 0.0% global $ # 3 85 2295M 2369M 7.2% 0:36:36 0.0% refapp1
89%
Julia: A new language for technical computing
30.11.2025
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2012
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Issue 10: Traff...
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.84 132.71 3,127.50 713.77 4.11 mandel 5.55 31.
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65.44 824.68 156.68 5.67 pi_sum 0.74 18.03 1.08 328
89%
I/O benchmarks with Fio
30.11.2025
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2011
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Issue 5: Pen Te...
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the Buffer 01 [global] 02 ioengine=libaio 03 direct=1 04 filename=testfile 05 size=2g 06 bs=4m 07 08 refill_buffers=1 09 10 [write] 11 rw=write
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write_bw_log 13 14 [read]
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stonewall 16 rw=read 17 write
89%
Debugging the Linux kernel with the Qemu emulator
30.11.2025
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2012
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Issue 07: Xen v...
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08 default: 09 $(MAKE) -C $(KDIR) M=$(PWD) modules 10 endif 11
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clean: 13 rm -rf *.ko *.o *.mod.c *.mod.o modules.order 14 rm -rf Module.symvers .*.cmd .tmp
89%
Filtering email with Sieve
30.11.2025
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2011
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Issue 5: Pen Te...
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of Ubuntu, 10.04 (Lucid Lynx), which comes with Postfix 2.7 and Dovecot
1.2
. In the following example, both components should be installed and functional, and the individual user accounts should come from
89%
Free backup tool for data centers
30.11.2025
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2011
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Issue 5: Pen Te...
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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
89%
Virus scanner and content filter with AD authentication
30.11.2025
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2010
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Issue 0: Active...
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=~ s/%([0-9a-fA-F][0-9a-fA-F])/pack("U",hex($1))/eg; 11 # test for each group squid sent in its request
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foreach $group (@groups) { 13 $group =~ s/%([0-9a-fA-F][0-9a-fA-F])/pack("U",hex($1))/eg
89%
Avoiding chaos in clusters with fencing
30.11.2025
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2012
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Issue 09: Windo...
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:external/ipmi 10 params hostname="bob" ipaddr="192.168.122.111" 11 userid="4STONITHonly" passwd="evenmoresecret" interface="lanplus"
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op start interval="0" timeout="60" 13 op stop interval="0" timeout
89%
Password protection with Phpass
30.11.2025
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2011
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Issue 5: Pen Te...
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$password = "test12345"; 09 // In a production web application, the password would be retrieved from a form filled out by the user 10 $hashwert = $hasher->HashPassword($password); 11
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echo "Password
89%
Checking password complexity with John the Ripper
30.11.2025
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2011
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Issue 6: Perfor...
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c/s virtual
12
13 Benchmarking: OpenBSD Blowfish (x32) [32/64 X2]... DONE 14 Raw: 723 c/s real, 723 c/s virtual
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16 Benchmarking: Kerberos AFS DES [48/64 4K]... DONE 17 Short: 378501 c/s real
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