$ sudo apt-get install apache2-utils
		

neo@master:~$ htpasswd -d -n neo.chen
New password:
Re-type new password:
neo.chen:Tyr60pyBFo0ng

			

neo@master:~$ htpasswd -m -n neo.chen
New password:
Re-type new password:
neo.chen:$apr1$CbZkN...$QzT7LwjRpQCKr4IkryM3Z.

			

neo@master:~$ htpasswd -s -n neo.chen
New password:
Re-type new password:
neo.chen:{SHA}iol5jPCHjje7ZYmuHDa52KA2J1s=
			

htdigest 與 htpasswd 不同的地方在於對密碼的加密方式，htdigest 是使用 md5 來加密而 htpasswd 則是使用 crypt 來加密

htdigest -c /home/neo/trac/conf/passwd.digest localhost netkiller
htdigest /home/neo/trac/conf/passwd.digest localhost neo
		

$ md5sum /etc/passwd
325b7229c82c90c8a1823f5d939156bc  /etc/passwd
		

$ sha1sum /etc/passwd
f7a5582dd42ce0411bc2c59e2f1d8e89adcf0f81  /etc/passwd