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24%
Getting started with I/O profiling
30.11.2025
Home
»
Archive
»
2012
»
Issue 08: FreeNAS
»
to analyze I/O patterns is that you are getting the strace output from a single application. Because I'm interested in HPC storage here, many of the applications will be MPI [
12
] applications, for which you
24%
Galera Cluster for MySQL
30.11.2025
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»
Archive
»
2012
»
Issue 10: Traff...
»
MySQL-shared-compat-5.5.
22
-2.el6.x86_64.rpm rpm -i MySQL-client-5.5.
22
-1.el6.x86_64.rpm With CentOS 6, the following additional package is necessary: yum install openssl098e.x86_64 The easiest way
24%
Touring the top Knoppix debugging and rescue tools
30.11.2025
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»
Archive
»
2010
»
Issue 0: Active...
»
="4096"
12
13 # Last offset to try 14 final_offset="$(du -b "$DEV" | cut -f 1)" 15 16 # A free loop device 17 LOOP="/dev/loop2" 18 19 # Start 20 offset=0 21
22
while [ "$offset" -lt "$final_offset" ]; do
24%
Monitor your nodes with collectl
30.11.2025
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»
Archive
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2012
»
Issue 09: Windo...
»
:sda]RKBytes [DSK:sda]Writes 21 [DSK:sda]WMerge [DSK:sda]WKBytes [DSK:sda]Request [DSK:sda]QueLen \[DSK:sda]Wait [DSK:sda]SvcTim [DSK:sda]Util
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20120310 13:39:10 sdb 0 0 0 2 4 24
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0
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2 0 sda 0 0 0 0 0 0 0 0 0 0
24%
Linux small business servers compared
31.10.2025
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Archive
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2012
»
Issue 11: Cloud...
»
. 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
24%
Password protection with Phpass
30.11.2025
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Archive
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2011
»
Issue 5: Pen Te...
»
$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
24%
The Swiss Army knife of fault management
30.11.2025
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Archive
»
2011
»
Issue 5: Pen Te...
»
12
The monitor is set up by /etc/opennms/poller-configuration.xml: 13 14 ... 15
17
24%
Checking password complexity with John the Ripper
30.11.2025
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»
Archive
»
2011
»
Issue 6: Perfor...
»
c/s virtual
12
13 Benchmarking: OpenBSD Blowfish (x32) [32/64 X2]... DONE 14 Raw: 723 c/s real, 723 c/s virtual 15 16 Benchmarking: Kerberos AFS DES [48/64 4K]... DONE 17 Short: 378501 c/s real
24%
Debugging the Linux kernel with the Qemu emulator
30.11.2025
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Archive
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2012
»
Issue 07: Xen v...
»
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
24%
vSphere 5 vs. XenServer 6
30.11.2025
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Archive
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2012
»
Issue 07: Xen v...
»
-shot challenger in this test, after some internal discussion, Red Hat adopted an almost Apple-like stance and refused to open up the current beta test to the press. Whereas VMware customers could run six or
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