1. 问题一
想生成GPG密钥，结果还没生成，就自动退出了。
$ gpg --gen-key
中间省略输入的内容，到了下面这句话，还没输入密钥就报错了
Change (N)ame, (C)omment, (E)mail or (O)kay/(Q)uit? O
You need a Passphrase to protect your secret key.
gpg: cancelled by user
gpg: Key generation canceled.
解决方案:
- 方法一：
$ script /dev/null
$ gpg2 --gen-key
然后就会弹出
image.png
可以输入密码了。
- 方法二：
ssh 的时候直接对应的用户名登录，不要用su命令切换用户。
2. 问题二
image.png
卡在这里了，里面的英文是这样的：
We need to generate a lot of random bytes. It is a good idea to perform
some other action (type on the keyboard, move the mouse, utilize the
disks) during the prime generation; this gives the random number
generator a better chance to gain enough entropy.
解决方案:
这时候在终端通过打字和移动鼠标很难满足。
解决办法是安装 rng-tools 这个工具，
- 用root账号安装
# yum install rng-tools
- 执行下面这个命令，生成密钥就能瞬间完成了。
# rngd -r /dev/urandom
Initalizing available sources
Initalizing entropy source Hardware RNG Device
Enabling RDSEED rng support
Initalizing entropy source Intel RDRAND Instruction RNG
Enabling JITTER rng support
Initalizing entropy source JITTER Entropy generator
这时候我们可以看到卡住的session已经自动生成session了。
We need to generate a lot of random bytes. It is a good idea to perform
some other action (type on the keyboard, move the mouse, utilize the
disks) during the prime generation; this gives the random number
generator a better chance to gain enough entropy.
gpg: /home/testerzhang/.gnupg/trustdb.gpg: trustdb created
gpg: key xxxxx marked as ultimately trusted
public and secret key created and signed.
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