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A web application with MongoDB and Bottle

14.03.2013

Home » Archive » 2013 » Issue 13: IPv6... »

results= clubs.find({"club":club}) 22 results = results.count() 23 24 25 return bottle.template('result', {"club":club, "results":results}) 26 27 bottle.run(host='localhost', port=8080, debug=1

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I/O Profiling at the Block Level

27.08.2014

Home » HPC » Articles »

.2% (53.2% cumulative) 20.1 GB 4.9% (58.0% cumulative) 22.4 GB 4.5% (62.5% cumulative) 24.6 GB 4.1% (66.7% cumulative) 26.8 GB 3.8% (70.5% cumulative) 29.1 GB 3.2% (73.7% cumulative) 31.3 GB 3.0% (76.6% cumulative) 33

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Port Knocking

07.10.2014

Home » Archive » 2014 » Issue 23: 10 Ti... »

to its GPRS and 3G customers, this approach opened up our servers to many more IP addresses than in our old system, with its 10 or 20 authorized IP addresses at the company offices and at the homes

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The practical benefits of network namespaces

15.08.2016

Home » Archive » 2016 » Issue 34: Softw... »

ns2 ip addr add 1.1.1.2/10 dev veth2 18 $ ip netns exec ns1 ip link set veth1 up 19 $ ip netns exec ns2 ip link set veth2 up 20 21 $ ip netns exec ns1 ping -c2 1.1.1.2 22 PING 1.1.1.2 (1.1.1.2) 56

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Secure remote connectivity with VS Code for the Web

28.11.2023

Home » Archive » 2023 » Issue 78: Domai... »

-data-dir /home/kevin/.vscode/cli tunnel service internal-run |-- 35321 sh /home/kevin/.vscode/cli/servers/Stable-f1b07bd25dfad64b0167beb15359ae573aecd2cc/server/bin/code-server --connection-tok> ... Oct 14 15:20

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Asynchronous PostgreSQL

12.09.2013

Home » Archive » 2013 » Issue 16: Docker »

$st2->execute($dbh->{pg_pid}); 16 if( !$st2->fetchrow_arrayref->[0] ) { 17 warn "couldn't stop backend PID=$dbh->{pg_pid}\n"; 18 } 19 exit 1; 20 } 21 22 POSIX::sigaction(SIGTERM, POSIX

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Rethinking RAID (on Linux)

16.03.2021

Home » HPC » Articles »

: this array has metadata at the start and may not be suitable as a boot device. If you plan to store '/boot' on this device please ensure that your boot-loader understands md/v1.x metadata, or use

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Gathering Data on Environment Modules

10.09.2012

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@test1 ~]$ su Password: [root@test1 laytonjb]# more /opt/logs/module Aug 22 09:41:20 test1 laytonjb: This is a test Notice that a user cannot look at the log or modify it, but root can. No it’s time

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Tuning I/O Patterns in C

31.07.2013

Home » HPC » Articles »

_record; 14 int counter_limit; 15 16 counter_limit = 100; 17 18 for ( counter=1; counter <= counter_limit; counter++) 19 { 20 my_record.x = counter; 21 my_record.y = counter + 1

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HDF5 and Parallel I/O

17.05.2017

Home » HPC » Articles »

, 5 ) / ( 8, 5 ) } DATA { (0,0): 0, 1, 2, 3, 4, (1,0): 5, 6, 7, 8, 9, (2,0): 10, 11, 12, 13, 14, (3,0): 15, 16, 17, 18, 19, (4,0): 20, 21, 22, 23, 24, (5,0): 25, 26, 27, 28, 29, (6

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