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49%
Netcat – The Admin’s Best Friend
20.08.2012
Home »  Articles  » 
 
specified, so you could also try to use this example instead: { echo -ne "HTTP/1.0 200 OK\r\nContent-Length: $(wc -c n\r\n"; cat filename.tar.gz; } | nc -l -p 15000 If all else fails
49%
Netcat – The admin's best friend
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© Dmitry Rukhlenko, 123RF.com
to open this file in your web browser. Some browsers need the length of the file specified, so you could also try: { echo -ne U "HTTP/1.0 200 OK\r\nContent-Length: \ $(wc -c n\r\n
49%
High-performance Python – compiled code and C interface
01.08.2019
Home »  Archive  »  2019  »  Issue 52: Stop...  » 
Lead Image © Konrad Bak, 123RF.com
/include/python3.7m -c helloworld.c -o build/temp.linux-x86_64-3.7/helloworld.o gcc -pthread -shared -B /home/laytonjb/anaconda3/compiler_compat -L/home/laytonjb/anaconda3/lib -Wl ... High-performance Python – compiled code and C interface
49%
Why Good Applications Don't Scale
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Lead Image © man64, 123RF.com
.2. Assigning the base serial portion s B = 0.195, independent of n , leaves the communication portion s C = 0.005. Figure 2 shows the plot of speedup a as a function of the number of processors
49%
Julia Distributed Arrays
15.08.2012
Home »  HPC  »  Articles  » 
=readall(`date`) "Tue Jul 31 15:51:58 EDT 2012\n" julia> print(d) Tue Jul 31 15:51:58 EDT 2012 In addition to efficient shell integration, Julia also has a very nice C and Fortran interface. Typically, every new
49%
Monitoring events with the Audit daemon
17.02.2015
Home »  Archive  »  2015  »  Issue 25: Safe...  » 
Lead Image © alphaspirit , 123RF.com
e syscall=2 success=yes exit=3 a0=7fff67b1e9fc a1=0 a2=1fffffffffff0000 a3=3109e85ad0 items=1 ppid=7144 pid=11992 auid=1000 uid=1000 gid=1000 euid=1000 suid=1000 fsuid=1000 egid=1000 sgid=1000 ... 25
49%
Tuning loops – from loop unrolling to Duff's device
28.07.2025
Home »  Archive  »  2025  »  Issue 88: 5 Net...  » 
[i] + b[i]; } When the number of cycles is known at compile time, a loop can be fully unrolled: c[0] = a[0] + b[0]; c[1] = a[1] + b[1]; c[2] = a[2] + b[2]; c[3] = a[3] + b[3]; However, it remains
49%
Intruder Detection with tcpdump
28.11.2011
Home »  Articles  » 
 
is to put it in a filter: # tcpdump -n -s 1515 -c 5 -i eth1 tcp or udp or icmp This will catch only tcp , udp , or icmp . Tables 3 and 4 show you what you need to know to find all TCP packets with the SYN
49%
Encrypting files
10.06.2015
Home »  Archive  »  2015  »  Issue 27: Fault...  » 
Lead Image © Yoichi Shimizu, 123RF.com
(c) 1999-2010 Igor Pavlov 2010-11-18 p7zip Version 9.20 (locale=en_US.UTF-8,Utf16=on,HugeFiles=on,1 CPU) Scanning Creating archive hpc_001.html.7z Enter password (will not be echoed) : Verify password
49%
Parallel Programming with OpenCL
04.11.2011
Home »  HPC  »  Articles  » 
it to your $LD_LIBRARY_PATH . Unfortunately, the current toolkit (3.2) only contains the OpenCL 1.0 libraries, not the C++ bindings that I referred to previously. Registered developers can download the pre

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