linux生成随机密码.txt

Linux系统生成随机密码

```
mkpasswd << on RHEL
pwgen
gpg --gen-random --armor 1 12
xkcdpass
date +%s |sha256sum |base64 |head -c 32 ;echo
< /dev/urandom tr -dc _A-Z-a-z-0-9 |head -c${1:-32};echo
openssl rand -base64 32
tr -cd '[:alnum:]' < /dev/urandom | fold -w32 | head -n1;echo
strings /dev/urandom | grep -o '[[:alnum:]]' | head -n 32 | tr -d '\n'; echo
< /dev/urandom tr -dc _A-Z-a-z-0-9 | head -c32;echo
dd if=/dev/urandom bs=1 count=32 2>/dev/null | base64 -w 0 | rev | cut -b 2- | rev
</dev/urandom tr -dc '12345!@#$%qwertQWERTasdfgASDFGzxcvbZXCVB' | head -c32; echo
randpw(){ < /dev/urandom tr -dc _A-Z-a-z-0-9 | head -c${1:-16};echo;}
date | md5sum
date | base64
ifconfig | md5sum
ifconfig | base64
date +%s
date +%N
date +%s%N
echo $RANDOM
head -200 /dev/urandom | cksum
head -200 /dev/urandom | cksum | cut -f1 -d" "
cat /proc/sys/kernel/random/uuid
cat /proc/sys/kernel/random/uuid| cksum | cut -f1 -d" "
```