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Expand your sphere with a piece of Google

30.11.2025

Home » Archive » 2011 » Issue 4: Secure... »

SQL. You can just upload your web application and enjoy the ride. Keep in mind that Google imposes limits to this freefest. Their hospitality is limited to 500MB of disk space and traffic volume of 1GB per

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Bare metal deployment with OpenStack

02.08.2021

Home » Archive » 2021 » Issue 64: Bare... »

_httpboot 03 local bifrost_ironic 04 local bifrost_mariadb 05 local bifrost_tftpboot 06 07 # ll -h /var/lib/docker/volumes/bifrost_httpboot/_data/ 08 [...] 09 -rw-r--r-- 1 42422 42422 6.1G Mar 2 10

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Exploring Ubuntu cloud tools

28.06.2011

Home » CloudAge » Articles »

- 4B760828 emi- E0A3107A 192.168.1.101 172.19.1.3 pending mykeypair 0 m1.small 2011- 03- 09T16:22:36.864Z cluster1 eki- F7111106 eri- 0B641162 04

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SHA-3 – The new hash standard

14.03.2013

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

family, by the names of SHA-224, SHA-256, SHA-284, and SHA-512. But, again, some cryptographers saw issues looming; the methods that SHA-2 uses differ only slightly from those used by MD5 and SHA-1. So

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Password protection with Phpass

30.11.2025

Home » Archive » 2011 » Issue 5: Pen Te... »

; in other words, Phpass would run the hash function 28 times (in other words, 256 times) in this example. The highest possible value is 31. If the second parameter is set to TRUE, Phpass will always use

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Checking password complexity with John the Ripper

30.11.2025

Home » Archive » 2011 » Issue 6: Perfor... »

from compromised systems is John the Ripper (John). John is a free tool from Openwall [1]. System administrators should use John to perform internal password audits. It's a small (<1MB) and simple

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Installing and operating the Graylog SIEM solution

13.12.2018

Home » Archive » 2018 » Issue 48: Secur... »

. The pwgen command generates a password and encrypts with sh256sum: pwgen -N 1 -s 100 echo -n | sha256sum The encrypted password is then assigned to the parameter root_password_sha2. Table 1 gives

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Setting up SSL connections on Apache 2

18.07.2013

Home » Archive » 2013 » Issue 15: What’... »

cryptography), in which each party has two keys. To create a certificate, you must first generate a private key for the server: openssl genrsa -aes256 -out privaterschluessel.pem 2048 The key length is 2048

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Automating development environments and deployment with Otto

11.02.2016

Home » Archive » 2016 » Issue 31: Tunin... »

] and unpack to your hard disk, revealing the lightweight otto program, which weighs in at just 15MB. Although you can call it directly – there is no need to install – HashiCorp does recommend adding otto

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What's left of TLS

18.07.2013

Home » Archive » 2013 » Issue 15: What’... »

SHA1. A basic distinction is made in encryption between block ciphers and stream ciphers. A block cipher encrypts only a first block of a fixed length, for example 256 bits. A stream cipher can

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