1, Configure smtp service, reject the mail from remote.test
install postfix, installed before.
copy from access,
cd /etc/postfix/ vim access
copy following lines,
# /etc/postfix/main.cf:
# smtpd_client_restrictions =
# check_client_access hash: /etc/postfix/access
copy to /etc/postfix/main.cf, and switch on,
/etc/postfix/main.cf: smtpd_client_restrictions = check_client_access hash: /etc/postfix/access
modify the access document, add one line,
192.168.0.254 REJECT
2, Configure the NFS service, make the share folder as masque folder,
create the folder,
Mkdir /data/{read,write} -p Mkdir /export/{read,write} -p
modify the fstab
vim /etc/fstab
/data/read /export/read none bind 0 0 /data/write /export/write none bind 0 0
mount all,
mount -a
modify the export configuration,
Vim /etc/exports
add two lines,
/exports/read *.example.com(rw,sync) /exports/write *.example.com(rw,sync)
map all users to anonymous user, add parameter as “all_squash”
allow root user to login as root, and own root user access right, add parameter “no_root_squash”
3, edit the boot parameter, add kernctl=5,
vim /boot/grub/grub.conf
add the parameter kernctl=5
to test the result, reboot the system and use the command,
cat /proc/cmdline