pam_env.so推荐

OS version：Red Hat Enterprise Linux Server release 6.4Kernel version：2.6.32-358.el6.x86_64

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准备工作：

[root@Zhai ~]# env | grep pam_env_test1[root@Zhai ~]# env | grep pam_env_test2[root@Zhai ~]# env | grep pam_env_test3[root@Zhai ~]# env | grep pam_env_test4[root@Zhai ~]# su – pam_test1[pam_test1@Zhai ~]$ env | grep pam_env_test1[pam_test1@Zhai ~]$ env | grep pam_env_test2[pam_test1@Zhai ~]$ env | grep pam_env_test3[pam_test1@Zhai ~]$ env | grep pam_env_test4

验证1：

[root@Zhai ~]# vi /etc/pam.d/su

#%PAM-1.0auth required pam_unix.soaccount required pam_unix.sosession required pam_env.so conffile=/etc/security/pam_env.conf

[root@Zhai ~]# vi /etc/security/pam_env.conf

pam_env_test1 DEFAULT=Zhai_kangpam_env_test2 DEFAULT="Zhai_kang 2013"pam_env_test3 DEFAULT="Zhai_kang 201311" OVERRIDE=${pam_env_test1}pam_env_test4 DEFAULT=zhai_kang:201311\17,19:30:00

验证2：

[root@Zhai ~]# cat /etc/security/pam_env.conf

pam_env_test1 DEFAULT=Zhai_kangpam_env_test2 DEFAULT="Zhai_kang 2013"pam_env_test3 DEFAULT="Zhai_kang 201311" OVERRIDE=${pam_env_test1}pam_env_test4 DEFAULT=zhai_kang:201311\17,19:30:00

[root@Zhai ~]# vi /etc/environment

pam_env_test4="----Zhai_kang V----"pam_test5="Kang_Zhai 2013"

[root@Zhai ~]# vi /etc/pam.d/su

#%PAM-1.0auth required pam_unix.soaccount required pam_unix.sosession required pam_env.so conffile=/etc/security/pam_env.conf envfile=/etc/environment readenv=1

验证3：

[root@Zhai ~]# cat /etc/security/pam_env.conf

pam_env_test1 DEFAULT=Zhai_kangpam_env_test2 DEFAULT="Zhai_kang 2013"pam_env_test3 DEFAULT="Zhai_kang 201311" OVERRIDE=${pam_env_test1}pam_env_test4 DEFAULT=zhai_kang:201311\17,19:30:00

[root@Zhai ~]# cat /etc/environment

pam_env_test4="----Zhai_kang V----"pam_test5="Kang_Zhai 2013"

[root@Zhai ~]# vi /etc/pam.d/su

#%PAM-1.0auth required pam_unix.soaccount required pam_unix.sosession required pam_env.so conffile=/etc/security/pam_env.conf envfile=/etc/environment readenv=1 user_envfile=.pam_environment user_readenv=1

[pam_test1@Zhai ~]$ vi .pam_environment

pam_env_test1=------20131127-21:13:00-------------pam_env_test4=----vvv-vvvV----pam_test=----vvv----

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The detailed information：man pam_envThe detailed information：man pam_env.conf

穷则思变，差则思勤！没有比人更高的山没有比脚更长的路。