ssh无法远程连接linux

[root@fanycb ~]# cat /etc/sysconfig/network-scripts/ifcfg-eth0

DEVICE="eth0"

BOOTPROTO=none

NM_CONTROLLED="yes"

ONBOOT="yes"

TYPE="Ethernet"

UUID="e57636db-84f8-4c15-af74-97d44a107fa2"

HWADDR=00:0C:29:14:5A:57

IPADDR=192.168.1.100

PREFIX=24

GATEWAY=192.168.1.1

DEFROUTE=yes

IPV4_FAILURE_FATAL=yes

IPV6INIT=no

NAME="System eth0"

[root@fanycb ~]#

[root@fanycb ~]# cat /etc/selinux/config

# This file controls the state of SELinux on the system.

# SELINUX= can take one of these three values:

#     enforcing - SELinux security policy is enforced.

#     permissive - SELinux prints warnings instead of enforcing.

#     disabled - No SELinux policy is loaded.

#SELINUX=enforcing

SELINUX=disabled     　　　　　　　　　　　　　　　　　　<====将=号后改为disabled

# SELINUXTYPE= can take one of these two values:

#     targeted - Targeted processes are protected,

#     mls - Multi Level Security protection.

SELINUXTYPE=targeted

[root@fanycb ~]# cat /boot/grub/menu.lst

# grub.conf generated by anaconda

#

# Note that you do not have to rerun grub after making changes to this file

# NOTICE:  You have a /boot partition.  This means that

#          all kernel and initrd paths are relative to /boot/, eg.

#          root (hd0,0)

#          kernel /vmlinuz-version ro root=/dev/sda5

#          initrd /initrd-[generic-]version.img

#boot=/dev/sda

default=0

timeout=5

splashimage=(hd0,0)/grub/splash.xpm.gz

hiddenmenu

title CentOS (2.6.32-279.el6.x86_64)

 root (hd0,0)

 kernel /vmlinuz-2.6.32-279.el6.x86_64 ro root=UUID=edc1b124-6bc5-4dbe-b2d4-88805da96d4d rd_NO_LUKS  KEYBOARDTYPE=pc KEYTABLE=us rd_NO_MD crashkernel=128M.UTF-8 rd_NO_LVM rd_NO_DM rhg

b quiet selinux=0 　　　　　　　　　　　　　　　　　　　　<====seliux=0 是添加上去的

 initrd /initramfs-2.6.32-279.el6.x86_64.img

[root@fanycb ~]#