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14%
Kernel and driver development for the Linux kernel
07.10.2014
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Lead Image © psdesign1, Fotolia.com
_string; 08 09 static int prochello_show( struct seq_file *m, void *v ) 10 { 11 int error = 0; 12 13 error = seq_printf( m, "%s\n", output_string); 14 return error; 15 } 16 17 static int prochello
14%
Distributed storage with Sheepdog
07.10.2014
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Lead Image © kateleigh, 123RF.com
/* 64 bit Fowler/Noll/Vo FNV-1a hash code */ 05 static inline uint64_t fnv_64a_buf(const void *buf, size_t len, uint64_t hval) 06 { 07 const unsigned char *p = (const unsigned char *) buf; 08 09
14%
A closer look at hard drives
18.07.2013
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Lucy Baldwin, 123RF
buffered disk reads: 616 MB in 3.00 seconds = 205.03 MB/sec $ hdparm -T /dev/sda /dev/sda: Timing cached reads: 6292 MB in 2.00 seconds = 3153.09 MB/sec If this were a spinning disk, you would also
14%
Bare metal deployment with OpenStack
02.08.2021
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Photo by Anatolii Nesterov on Unsplash
_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
14%
Exploring Ubuntu cloud tools
28.06.2011
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- 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
14%
SHA-3 – The new hash standard
14.03.2013
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© Warakorn Harnprasop, 133RF.com
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
14%
Hunt down vulnerabilities with the Metasploit pen-testing tool
28.11.2021
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Lead Image © bluebay, 123rf.com
:/usr/sbin:/bin/sh bin:x:2:2:bin:/bin:/bin/sh sys:x:3:3:sys:/dev:/bin/sh (...) reboot; Connection closed by foreign host. Metasploitable runs many more insecure services that an Nmap scan brings to light (Listing 3
14%
Installing and operating the Graylog SIEM solution
13.12.2018
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Lead Image © Leo Blanchette, 123RF.com
. 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
14%
Setting up SSL connections on Apache 2
18.07.2013
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pnphoto, 123RF
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
14%
Automating development environments and deployment with Otto
11.02.2016
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Lead Image © baloncici, 123RF.com
] 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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