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无法为 NetBeans 8.2 生成哈希

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无法为 NetBeans 8.2 生成哈希

写入命令后，我无法为 Ubuntu 16.04 的 netbeans 8.2 生成哈希：

ravi@Dell:~/Downloads$ sha256 netbeans-8.2-linux.sh 
mlockall: Cannot allocate memory
Warning: couldn't lock memory, are you root?
Enter passphrase:

那么这个密码是什么？
我现在该怎么办？

答案1

我怀疑你应该执行sha256sum计算校验和。

sha256sum netbeans-8.2-linux.sh

我还发现适用于 Linux Xubuntu 16.04 64/32 的 NetBeans 8.2 C / C ++其中指定：

和检查其 sha256（从终端：）sha256sum path / filename。

sha256请参阅下文和之间的区别sha256sum

人sha256sum- 计算并检查 SHA256 消息摘要
人sha256- hashalot - 读取密码并打印哈希值

答案2

从man sha256 passphrase只是用来产生散列的任何东西都可以。

DESCRIPTION
       hashalot is a small tool that reads a passphrase from standard input, hashes it using the given hash type, and
       prints the result to standard output.

       Warning: If you do not use the -x option, the hash is printed in binary. This may  wedge  your  terminal  set‐
       tings, or even force you to log out.

       This  is  not  a  general  purpose  hasher, only the first line is used, not even including the final newline.
       Thus, don't be surprised if the output seems to be different from other tools -- you'd have  to  hash  exactly
       the same string.

答案3

它从中进行哈希处理std in，因此也许这会起作用：

cat netbeans-8.2-linux.sh  |sha256

但是，您还有另一个问题，您必须设置内存分配，以消除mlockall错误。

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