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24%
Understanding Layer 2 switch port security
22.12.2017
Home »  Archive  »  2017  »  Issue 42: Secur...  » 
Lead Image © Taffi, Fotolia.com
for an intrusion attempt. Figure 1: PC1 sends out a data frame with the destination address ABCD.EF00.0004. The switch receives it at port 1 and then searches
24%
Building sustainably safe containers
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Lead Image © it studiom1, 123RF.com
dockerrepo.matrix.dev/gentoo-glibc:latest-amd64 && touch pushtime Sending build context to Docker daemon 21.12MB Step 1/2 : FROM dockerrepo.matrix.dev/gentoo-base:latest ---> 22fe37b24ebe Step 2/2 : ADD
24%
Measuring the performance of code
04.08.2020
Home »  Archive  »  2020  »  Issue 58: Graph...  » 
Lead Image © Lucy Baldwin, 123RF.com
// (c) 2020 by Federico Lucifredi 04 05 #include 06 #include 07 #include 08 #include 09 #include 10 #include 11 #include 12 13
24%
Tuning I/O Patterns in Python
18.12.2013
Home »  HPC  »  Articles  » 
__ == "__main__": 12 13 local_dict = {'x':0, 'y':0, 'z':0,'value':0.0}; 14 my_record = []; # define list 15 16 counter_limit = 2000; 17 18 f = open('test.bin', 'r+') 19 for counter in range(1,counter
24%
File Compression for HPC
10.11.2021
Home »  HPC  »  Articles  » 
the extension .lz4 to the compressed file, indicating the method of compression. lz4 has 12 compression levels (1 -12 ). For maximum compression, use: $ lz4 -12 file.data You can also enable ultrafast
24%
Setting up HTTP/2 for Nginx
25.03.2021
Home »  Archive  »  2021  »  Issue 62: Lean...  » 
Photo by Ludomil Sawicki on Unsplash
(Listing 1), which indicates a push. Listing 1 Server Push in Log 2020-11-22T12:01:10+01:00 1606042870.567 200 605 h2 "GET /index.html HTTP/2.0" 2020-11-22T12:01:10+01:00 1606042870.567 200
24%
Web Cryptography API
26.11.2013
Home »  Articles  » 
(text) { 11 polycrypt.importKey("raw", hex2bin(encRawKey)).oncomplete = function(e) { 12 var key = e.target.result; 13 polycrypt.encrypt(encAlg, key, str2bin(text)).oncomplete = function(e) { 14 var
24%
Introducing the NoSQL MongoDB database
04.12.2024
Home »  Archive  »  2024  »  Issue 84: Non-R...  » 
Photo by Wesley Tingey on Unsplash
, 06 "mileage": 15000, 07 "features": ["Sunroof", "Leather seats"] 08 } 09 { 10 "type": "Motorcycle, 11 "brand: "Harley-Davidson, 12 "model": "Iron 883", 13 "year": 2019, 14 "engine
24%
Hunt down vulnerabilities with the Metasploit pen-testing tool
28.11.2021
Home »  Archive  »  2021  »  Issue 66: Inci...  » 
Lead Image © bluebay, 123rf.com
)]> select load_file('/etc/passwd'); +----------------------------------------------(...) + | load_file('/etc/passwd') (...) + | root:x:0:0:root:/root:/bin/bash daemon:x:1:1:daemon:/usr/sbin:/bin/sh bin:x:2:2
24%
HPC Cloud Storage
20.11.2013
Home »  HPC  »  Articles  » 
_blocks.. ..symlink_targets.. ..names.. ..contents.. ..ext_attributes.. Compressing and uploading metadata... Wrote 0.00 MiB of compressed metadata. First, notice that I created the file as root. Second, the prefix

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