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How can I generate a self-signed certificate with SubjectAltName using OpenSSL? [closed]
...sage to the following under [ v3_ca ]:
keyUsage = digitalSignature, keyEncipherment
digitalSignature and keyEncipherment are standard fare for a server certificate. Don't worry about nonRepudiation. It's a useless bit thought up by computer science guys/gals who wanted to be lawyers. It means not...
How to test an Internet connection with bash?
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Ping your default gateway:
#!/bin/bash
ping -q -w 1 -c 1 `ip r | grep default | cut -d ' ' -f 3` > /dev/null && echo ok || echo error
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Convert line-endings for whole directory tree (Git)
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Piping find to xargs will fail if find matches any files with whitespace, quotes, or other shell meta characters in their path. At the least use find blog -type f -print0 | xargs -0 dos2unix to handle the case of whitespace. Y...
How can I start an interactive console for Perl?
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I wrote a script I call "psh":
#! /usr/bin/perl
while (<>) {
chomp;
my $result = eval;
print "$_ = $result\n";
}
Whatever you type in, it evaluates in Perl:
> gmtime(2**30)
gmtime(2**30) = Sat Jan 10 13:37:04 2004
>...
Linux进程与线程总结 [推荐] - C/C++ - 清泛网 - 专注C/C++及内核技术
...进行通信。一个完整的socket有网络协议、网络地址、网络端口三个属性，然后由操作系统为它分配一个本地唯一的socket号。就比如日常生活中的电话，双方必须都要拥有一台电话机而且号码必须唯一，建立通话时必须要知道对方...
Force unmount of NFS-mounted directory [closed]
...ing (including lsof). I caused the problem by breaking out of a backup script that I'm writing. The script mounts and unmounts the directory, but something about breaking out of rsync messed up my mount. I didn't know about the lazy unmount. It may have been the NAS device causing all the troubl...
SPA best practices for authentication and session management
...ent-side. Before we do that, though, there's an important prelude:
Javascript Crypto is Hopeless
Matasano's article on this is famous, but the lessons contained therein are pretty important:
https://www.nccgroup.trust/us/about-us/newsroom-and-events/blog/2011/august/javascript-cryptography-consid...
How to get current page URL in MVC 3
...ilding. It has some FBXML tags that are interpreted by the facebook javascript that is referenced on the page.
9 Answers
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Using capistrano to deploy from different git branches
... option '-s' (--set) stands for 'Set a variable after the recipes are loaded.' and option 'S' (--set-before) stands for 'Set a variable before the recipes are loaded.'
– Ramon Caldeira
Jul 30 '14 at 16:05
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Amazon S3 - HTTPS/SSL - Is it possible? [closed]
...dFront made this change by allowing you to choose between SNI or Dedicated IP SSL. Dedicated IP SSL continues to cost $600, but SNI SSL is free. Just make sure the browsers you're targeting support SNI.
– Ryan Pendleton
Jun 21 '15 at 21:57
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