mkdir ssh
cd ssh
mkdir  compressed  install  source

cd compressedwget -c https://www.zlib.net/zlib-1.2.11.tar.gz
wget -c https://www.openssl.org/source/openssl-0.9.8e.tar.gz
wget -c http://mirrors.mit.edu/pub/OpenBSD/OpenSSH/portable/openssh-4.6p1.tar.gz

#解压下载的包

tar -xf openssh-4.6p1.tar.gz -C ../source
tar -xf openssl-0.9.8e.tar.gz -C ../source tar -xf zlib-1.2.11.tar.gz -C ../source

cd ../source/zlib-1.2.11
# 红色部分配置路径为 ssh/install 的绝对路径
./configure --prefix=/home/xx/arm/ssh/install/zlib-1.2.11

# 修改编译器对应的变量值 ，注意是加入前缀，不要删除其他部分。（编译器使用能够在板子上运行编译的即可）vi MakefileCC=arm-none-linux-gnueabi-gccAR=arm-none-linux-gnueabi-ar rcCPP =arm-none-linux-gnueabi-gcc ...LDSHARED=arm-none-linux-gnueabi-gcc ...make && make install

cd ../openssl-0.9.8e/
# 红色部分同上，根据自己的需求进行修改
./Configure --prefix=/home/xx/arm/ssh/install/openssl-0.9.8e  os/compiler:arm-none-linux-gnueabi-gcc
make && make install

编译和安装openssl时出错，POD document had syntax errors
错误信息：installing man1/smime.1smime.pod around line 272： Expected text after =item， not a numbersmime.pod around line 276： Expected text after =item， not a numbersmime.pod around line 280： Expected text after =item， not a numbersmime.pod around line 285： Expected text after =item， not a numbersmime.pod around line 289： Expected text after =item， not a numberPOD document had syntax errors at /usr/bin/pod2man line 71.make： *** ［install_docs］ 错误 255原因分析：这是由于OpenSSL 1.0.1e 与 perl5.18 不兼容。解决方法：1. 安装perl 5.16 可以兼容，安排低版本perl 5.16可以解决问题。2. 让 pod2man 无法被访问：sudo rm /usr/bin/pod2man或sudo mv /usr/bin/pod2man /usr/bin/pod2man_bak

cd ../openssh-4.6p1/./configure --host=arm-none-linux-gnueabi  \ --with-libs --with-zlib=/home/xx/arm/ssh/install/zlib-1.2.11   \ --with-ssl-dir=/home/xx/arm/ssh/install/openssl-0.9.8e  \ --disable-etc-default-login  \ CC=arm-none-linux-gnueabi-gcc AR=arm-none-linux-gnueabi-armake      #注意：openssh不需要make install

mkdir -p /usr/local/bin/
mkdir -p /usr/local/sbin/
mkdir -p /usr/local/etc/
mkdir -p /usr/local/libexec/
mkdir -p /var/run/
mkdir -p /var/empty/

ssh-keygen -t rsa -f ssh_host_key -N ""
ssh-keygen -t rsa -f ssh_host_rsa_key -N ""
ssh-keygen -t dsa -f ssh_host_dsa_key -N ""
ssh-keygen -t ecdsa -f ssh_host_ecdsa_key -N ""

cp /etc/passwd  /etc/passwd_bak
echo "sshd:x:74:74:Privilege-separated SSH:/var/empty/sshd:/sbin/nologin" >> /etc/passwd

passwd root

#! /bin/sh
sshd=/usr/local/sbin/sshd
test -x "$sshd" || exit 0
case "$1" instart)echo -n "Starting sshd daemon"start-stop-daemon --start --quiet --exec $sshd  -becho ".";;stop)echo -n "Stopping sshd"start-stop-daemon --stop --quiet --exec $sshdecho ".";;restart)echo -n "Stopping sshd"start-stop-daemon --stop --quiet --exec $sshdecho "."echo -n "Waiting for sshd to die off"for i in 1 2 3 ;dosleep 1echo -n "."doneecho ""echo -n "Starting sshd daemon"start-stop-daemon --start --quiet --exec $sshd -becho ".";;*)echo "Usage: /etc/init.d/sshd {start|stop|restart}"exit 1
esac
exit 0

在 /etc/init.d/rcS 添加一行 "/etc/init.d/sshd.sh start"

cp /etc/init.d/rcS  /rcS_bakecho "/etc/init.d/sshd.sh start" >> /etc/init.d/rcScat /etc/init.d/rcS