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15%
The fine art of allocating memory
30.11.2025
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main(int argc, char *argv[]) 06 { 07 char *newblock = NULL; 08 09 for (int allocation = 0; newblock = (void *) malloc(1024 * 1024); allocation++) 10 { 11 //for (int i=0; i < (1024 * 1024
15%
Minifying container images with DockerSlim
04.08.2020
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Lead Image © Maggie Molloy, 123RF.com
-slim[build]: info=image id=sha256:231d40e811cd970168fb0c4770f2161aa30b9ba6fe8e68527504df69643aa145 size.bytes=126323486 size.human=126 MB docker-slim[build]: info=image.stack index=0 name='nginx:latest' id='sha256
15%
CPU affinity in OpenMP and MPI applications
03.02.2022
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Lead Image © podfoto, 123RF.com
CPUs. Listing 5 numactl $ numactl --hardware available: 1 nodes (0) node 0 cpus: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38
15%
Read-only File Compression with SquashFS
14.06.2017
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to compress the data to 91.53% of its uncompressed size, or to 328MB (327.34MB). Notice that I used the time command to time how long it took to run the command. The results were: real    0m7.675s user   0m
15%
Read-only file compression with SquashFS
14.08.2017
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Lead Image © modella, 123RF.com
that I used the time command to time how long it took to run the command. The results were: real 0m7.675s user 0m29.074s sys 0m1.002s This looks to be pretty fast for compressing 358MB of data (on an SSD
15%
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
15%
Security first with the Hiawatha web server
11.04.2016
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Lead Image © Tatiana Popov, 123RF.com
hiawatha running www-data 4766 0.1 0.3 118232 4016 ? Ssl 20:13 0:00 /usr/sbin/hiawatha You can use netstat to check the bindings: netstat -tulpn See the output in Listing 2. Listing 2
15%
Virtualization via Zones
30.11.2025
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Pei Ling Hoo, 123RF.com
ACTIONS 13 Install Phase 5747/5747 14 Installing: Additional Packages (output follows) 15 DOWNLOAD PKGS FILES XFER (MB) 16 ... 0
15%
Expand your sphere with a piece of Google
30.11.2025
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© artida, 123RF.com
="sdk.dir" location="../appengine-java-sdk-1.5.0.1" /> 03 04 05 06 07 08
15%
Building Virtual Images with BoxGrinder and VMBuilder
07.01.2013
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-build --version 02   BoxGrinder Build 0.10.2 03 04   Available os plugins: 05    - rhel plugin for Red Hat Enterprise Linux 06    - centos plugin for CentOS 07    - fedora plugin for Fedora 08    - sl plugin

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