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32%
Managing virtual machines
30.11.2025
Home
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Archive
»
2012
»
Issue 09: Windo...
»
run the tool with the -a option, it creates the matching device mapper files: $ kpartx -l ff-clone7.img loop
0
p1 :
0
20969472 /dev/loop
0
2048 $ kpartx -a ff-clone7.img $ kpartx -l ff-clone7.img loop
0
p1
32%
Cgroups for resource management in Linux
30.11.2025
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2011
»
Issue 6: Perfor...
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.reset_stats= 04 blkio.io_queued=Total
0
05 blkio.io_merged=Total
0
06 blkio.io_wait_time=Total
0
07 blkio.io_service_time=Total
0
08 blkio.io_serviced=Total
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09 blkio.io_service_bytes=Total
0
10
32%
Shell scripts: Equal rights for Unix derivatives and Linux
30.11.2025
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2010
»
Issue 2: Backup...
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server PING server: 56 data bytes 64 bytes from server.examplenet.com (192.168.5.6): icmp_seq=
0
. time=
0
.415 ms 64 bytes from server.examplenet.com (192.168.5.6): icmp_seq=1. time=
0
.215 ms 64 bytes from
32%
Comparing 5 to 50TB NAS storage boxes
31.10.2025
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2012
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Issue 12: NAS S...
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disks. They dubbed their system RAID (Redundant Array of Inexpensive Disks). The original publication http://1 described RAID levels 1 through 5. Today, we also have RAID levels
0
and 6 and still higher
32%
Getting started with I/O profiling
30.11.2025
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2012
»
Issue 08: FreeNAS
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a line like this: 1269925389.847294 write( 17, " 37989 2136595 2136589 213" ..., 3850) = 3850 <
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.000004> This single line has several interesting parts. First, the amount of data written appears after
32%
Tuning loops – from loop unrolling to Duff's device
28.07.2025
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2025
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Issue 88: 5 Net...
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defining a loop. When unrolling a loop, the loop body is repeated a number of times and the loop iteration count is reduced or entirely eliminated, as in this simple case: for (i=
0
; i<4; i++) { c[i] = a
32%
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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interval="
0
" timeout="60" 06 op stop interval="
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" timeout="60" 07 op monitor start-delay="
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" interval="1200" 08 meta resource-stickiness="
0
" failure-timeout="180" Listing 2 STONITH
32%
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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)* Julia Python MATLAB Octave R JavaScript v3f670da
0
v2.7.1 vR2011a v3.4 v2.14.2 v8 3.6.6.11 fib 1.97 31
32%
Using Expect scripts to automate tasks
31.10.2025
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2012
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Issue 12: NAS S...
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allows you to define a 18 # character to toggle this mode off and on. 19 set force_conservative
0
;# set to 1 to force conservative mode even if 20 ;# script wasn't run
32%
Creating an SFTP jail
30.11.2025
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2011
»
Issue 3: Are yo...
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_config 03 bash#> vi sshd_config 04 AllowTcpForwarding no 05 ClientAliveCountMax 3 06 ClientAliveInterval
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07 Compression delayed 08 LoginGraceTime 60s 09 LogLevel DEBUG3 10 MaxAuthTries 2
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