diff --git a/ssh/update-ssh-el6.sh b/ssh/update-ssh-el6.sh
new file mode 100644
index 0000000..a4a4d0c
--- /dev/null
+++ b/ssh/update-ssh-el6.sh
@@ -0,0 +1,56 @@
+#!/bin/bash
+# Centos6下Openssh-8.2p1离线rpm安装包下载
+# https://aq2.cn/131.html
+
+NowTime=$(/bin/date +%Y%m%d%H%M%S)
+
+if [[ "$(whoami)" != "root" ]]; then
+    echo "please run this script as root !" >&2
+    exit 1
+fi
+
+if [[ ! -f  /bin/cp  ]]; then
+    echo "/bin/cp file exists" >&2
+    exit 1
+fi
+if [[ ! -d "/opt/backup/openssh_bak" ]];then
+  mkdir -p /opt/backup/openssh_bak/
+  /bin/cp /etc/pam.d/sshd /opt/backup/openssh_bak/sshd.bak
+  /bin/cp /etc/pam.d/system-auth /opt/backup/openssh_bak/system-auth.bak
+  /bin/cp /etc/ssh/sshd_config /opt/backup/openssh_bak/
+  /bin/cp /etc/ssh/ssh_config /opt/backup/openssh_bak/
+  /bin/cp /etc/ssh/ssh*key /opt/backup/openssh_bak/
+else
+  mkdir -p "/opt/backup/openssh_$NowTime/"
+  /bin/cp /etc/pam.d/sshd "/opt/backup/openssh_$NowTime/sshd.bak"
+  /bin/cp /etc/pam.d/system-auth "/opt/backup/openssh_$NowTime/system-auth.bak"
+  /bin/cp /etc/ssh/sshd_config "/opt/backup/openssh_$NowTime/"
+  /bin/cp /etc/ssh/ssh_config "/opt/backup/openssh_$NowTime/"
+  /bin/cp /etc/ssh/ssh*key "/opt/backup/openssh_$NowTime/"
+fi
+
+yum localinstall openssh-*.rpm -y
+chmod 600 /etc/ssh/ssh_host_*_key
+/bin/cp /opt/backup/openssh_bak/sshd.bak /etc/pam.d/sshd
+echo -e '
+Port 22
+AddressFamily inet
+ListenAddress 0.0.0.0
+Protocol 2
+SyslogFacility AUTHPRIV
+PermitRootLogin yes
+MaxAuthTries 6
+PubkeyAuthentication yes
+AuthorizedKeysFile      .ssh/authorized_keys
+PasswordAuthentication yes
+PermitEmptyPasswords no
+UsePAM yes
+UseDNS no
+X11Forwarding yes
+Subsystem       sftp    /usr/libexec/openssh/sftp-server
+' > /etc/ssh/sshd_config
+
+chkconfig sshd on
+service sshd restart
+
+ssh -V
\ No newline at end of file
diff --git a/ssh/update-ssh-el7.sh b/ssh/update-ssh-el7.sh
new file mode 100644
index 0000000..1426706
--- /dev/null
+++ b/ssh/update-ssh-el7.sh
@@ -0,0 +1,56 @@
+#!/bin/bash
+# Centos7下Openssh-8.2p1离线rpm安装包下载
+# https://aq2.cn/132.html
+
+NowTime=$(/bin/date +%Y%m%d%H%M%S)
+
+if [[ "$(whoami)" != "root" ]]; then
+    echo "please run this script as root !" >&2
+    exit 1
+fi
+
+if [[ ! -f  /usr/bin/cp  ]]; then
+    echo "/usr/bin/cp file exists" >&2
+    exit 1
+fi
+if [[ ! -d "/opt/backup/openssh_bak" ]];then
+  mkdir -p /opt/backup/openssh_bak/
+  /usr/bin/cp /etc/pam.d/sshd /opt/backup/openssh_bak/sshd.bak
+  /usr/bin/cp /etc/pam.d/system-auth /opt/backup/openssh_bak/system-auth.bak
+  /usr/bin/cp /etc/ssh/sshd_config /opt/backup/openssh_bak/
+  /usr/bin/cp /etc/ssh/ssh_config /opt/backup/openssh_bak/
+  /usr/bin/cp /etc/ssh/ssh*key /opt/backup/openssh_bak/
+else
+  mkdir -p "/opt/backup/openssh_$NowTime/"
+  /usr/bin/cp /etc/pam.d/sshd "/opt/backup/openssh_$NowTime/sshd.bak"
+  /usr/bin/cp /etc/pam.d/system-auth "/opt/backup/openssh_$NowTime/system-auth.bak"
+  /usr/bin/cp /etc/ssh/sshd_config "/opt/backup/openssh_$NowTime/"
+  /usr/bin/cp /etc/ssh/ssh_config "/opt/backup/openssh_$NowTime/"
+  /usr/bin/cp /etc/ssh/ssh*key "/opt/backup/openssh_$NowTime/"
+fi
+
+yum localinstall openssh-*.rpm -y
+chmod 600 /etc/ssh/ssh_host_*_key
+/usr/bin/cp /opt/backup/openssh_bak/sshd.bak /etc/pam.d/sshd
+echo -e '
+Port 22
+AddressFamily inet
+ListenAddress 0.0.0.0
+Protocol 2
+SyslogFacility AUTHPRIV
+PermitRootLogin yes
+MaxAuthTries 6
+PubkeyAuthentication yes
+AuthorizedKeysFile      .ssh/authorized_keys
+PasswordAuthentication yes
+PermitEmptyPasswords no
+UsePAM yes
+UseDNS no
+X11Forwarding yes
+Subsystem       sftp    /usr/libexec/openssh/sftp-server
+' > /etc/ssh/sshd_config
+
+systemctl enable sshd
+systemctl restart sshd
+
+ssh -V
\ No newline at end of file