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20%
TCP Stealth hides open ports
10.04.2015
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Lead Image © momo5287, 123RF.com
if (setsockopt(sock, IPPROTO_TCP, TCP_STEALTH, secret, sizeof(secret))) { 08 printf("setsockopt() failed, %s\n", strerror(errno)); 09 return 1; 10 } 11
20%
Visualizing time series data
21.08.2014
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Lead Image © Maxim Kazmin, 123RF.com
't connect to $remote_host:$remote_port: $@ \n"; 17 18 19 while() { 20 my @lavg = Sys::CpuLoad::load(); 21 my $ts=time(); 22 print $socket "system.loadavg_1min $lavg[0] $ts\n"; 23 print $socket "system
20%
Using a Bash script to mirror external monitors
10.06.2015
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Lead Image © bowie15, 123RF.com
to the first sed I know that here is only a SINGLE space 45 display_list="$(sed ':a;N;$!ba;s/\n / /g'<<<"$xrandr_current" | sed \ -n -e 's/^\([a-zA-Z0-9_-]\+\) connected.* \([0-9]\+\)mm.* \([0-9]\+\)mm
20%
Using the MQTT IoT protocol for unusual but useful purposes
03.12.2015
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Lead Image © Heiko Küverling, 123RF.com
(msg.payload)) 07 08 mqtt = paho.Client() 09 mqtt.on_message = on_message 10 11 mqtt.connect("localhost", 1883, 60) 12 mqtt.subscribe("linux/+", 0) 13 14 mqtt.loop_forever() The client now connects
20%
Static code analysis finds avoidable errors
06.10.2019
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Lead Image © Andrey KOTKO, 123RF.com
* argv []) 06 /*@requires maxRead(argv) >= 1 @*/ 07 /*@-modfilesys@*/ 08 { 09 /*@-initallelements@*/ 10 char buffer [BUFSIZE] = {'\0'}; 11 /*@+initallelements@*/ 12 if ( ( argc
20%
Embarrassingly parallel computation
01.06.2024
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Lead Image © Lucy Baldwin, 123RF.com
* argv[]) 08 { 09 long niter = 1000000000; 10 int myid; //holds process's rank id 11 double x,y; //x,y value for the random coordinate 12 int i; 13
19%
Docker image security analysis
01.08.2019
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Photo by Rodolfo Sanches Carvalho on Unsplash
CREATED SIZE nginx f09fe80eb0e7 12 days ago 109MB nginx latest 35640fed495c 12 days ago 109MB Backdoor Access Considering how well Docker Scan handled
19%
Data Analysis with R and Python
17.02.2015
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Lead Image © mopic, 123RF.com
as ro 05 06 devs = importr('grDevices') 07 08 main = "Distribution of Orbit Types" 09 path = "tmp/bahntypen.png" 10 11 rep = reporter("galaxy", "comets", ["ecc"]) 12 num = ro.r.nrow(rep.df)[0] 13 vals
19%
How to configure and use jailed processes in FreeBSD
14.03.2013
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© Corina Rosu, 123RF.com
struct jail 01 main(int argc, char **argv) 02 { 03 struct jail j; 04 int i; 05 [...] 06 /* Populate the jail struct */ 07 memset(&j, 0, sizeof(j)); 08 j.version = 0; 09 j.path =
19%
Parallel Python with Joblib
08.04.2014
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| elapsed: 0.0s remaining: 4.5s [Parallel(n_jobs=2)]: Done 198 out of 1000 | elapsed: 1.2s remaining: 4.8s [Parallel(n_jobs=2)]: Done 399 out of 1000 | elapsed: 2.3s remaining: 3.5s

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