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43%
Using Expect scripts to automate tasks
31.10.2025
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2012
»
Issue 12: NAS S...
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conservatively originally 21 if {$force_conservative} {
22
set send_slow {1 .1} 23 proc send {ignore arg} { 24 sleep .1 25 exp_send -s -- $arg 26 } 27 } 28
43%
ARP cache poisoning and packet sniffing
30.11.2025
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2011
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Issue 6: Perfor...
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Destination MAC address Listing 1 Nemesis arp Packets 01 $ while true 02 > do 03 > sudo nemesis arp -v -r -d eth0 -S 192.168.1.2 -D 192.168.1.133 -h
00:22
:6E:71:04:BB -m
00
:0C:29:B2
43%
Appendix – I/O Report from MPI Strace Analyzer
15.02.2012
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2012-02-15 HPC...
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rewinddir 0 0 0 0 0 0 0 0 fsync 21 21 21 21 21
22
26 31 lseekm
3
43%
Appendix – I/O Report from MPI Strace Analyzer
26.01.2012
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rewinddir 0 0 0 0 0 0 0 0 fsync 21 21 21 21 21
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43%
Distributed storage with Sheepdog
07.10.2014
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2014
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Issue 23: 10 Ti...
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(Listing
3
). Listing
3
Defining Replication Factors 01 # dog vdi list 02 Name Id Size Used Shared Creation time VDI id Copies Tag 03 one.img 0 4.0 MB
0.0
MB
0.0
43%
HPC Cloud Storage
20.11.2013
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advantages: S
3
QL. ... 16384 Nov 10 10:
00
lost+found 4 drwxr-xr-x.
3
root root 4096 Nov 10 10:
00
.. 4 -rw-r--r-- 1 root root 294 Nov 10 10:07 s
3
ql_passphrase 4 -rw-r--r-- 1 root root 243 Nov 10 10:07 s
3
ql_seq_no_1 4 -rw ... advantages: S
3
QL. ... S
3
QL Filesystem for HPC Storage
43%
S3QL filesystem for cloud backups
09.01.2013
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2013
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Issue 18: New W...
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metadata... 18 Wrote 0.
00
MiB of compressed metadata. After creating an S
3
QL filesystem, I checked the mountpoint, /mnt/data1 (Listing 2). A few files are created as a result of the S
3
QL filesystem ... advantages: S
3
QL. ... S
3
QL filesystem for cloud backups
42%
Unleashing Accelerated Speeds with RAM Drives
02.08.2021
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2021
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Issue 64: Bare...
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-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=libaio, iodepth=32 fio-
3
.16 Starting 1 process Jobs: 1 (f=1): [w(1)][100.0%][w=1733KiB/s][w=433 IOPS][eta
00
m:
00
s] test: (groupid=0, jobs=1): err= 0: pid
42%
Pen Testing with netcat
14.05.2013
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the net start command to get a list of services running (Figure
3
): >net start Figure
3
: Output from the net start command. Several services
42%
The top three SSH tricks
14.08.2017
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2017
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Issue 40: Lean...
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-A INPUT -p tcp -s [IP address of allowed server] --dport
22
-j ACCEPT on the server to which you want to SSH. Trick 2: Copying Files Securely The SSH protocol also includes Secure Copy (SCP
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