#######创建公钥存放目录：~/.ssh
[root@typecodes ~]# mkdir .ssh && cd .ssh
#######生成1024字节的rsa加密的公私钥
[root@typecodes .ssh]# ssh-keygen -b 1024 -t rsa -f vfhky20150505
Generating public/private rsa key pair.
Enter passphrase (empty for no passphrase):
Enter same passphrase again:
Passphrases do not match.  Try again.
Enter passphrase (empty for no passphrase):
Enter same passphrase again:
Your identification has been saved in vfhky20150505.        [私钥]
Your public key has been saved in vfhky20150505.pub.        [公钥]
The key fingerprint is:
59:54:31:5f:37:d5:9a:c3:32:65:7d:fd:05:f3:20:38 root@typecodes
The key's randomart image is:
+--[ RSA 1024]----+
|          .o=.++B|
|         .E  +o=O|
|          .. +.o=|
|         o  o = .|
|        S    o . |
|                 |
|                 |
|                 |
|                 |
+-----------------+
[root@typecodes .ssh]# ls
vfhky20150505  vfhky20150505.pub
#######将公钥文件重命名为authorized_keys文件
[root@typecodes .ssh]# mv ~/vfhky20150505.pub authorized_keys
#######将私钥文件下载到Windows主机后，马上删除避免被恶意使用
[root@typecodes .ssh]# rm -rf vfhky20150505

#!/bin/bash
# sshd service configure script
# @author vfhky 2015.05.05 https://typecodes.com/linux/centos7afteroperate.html

# set the sshd login port you want which should be more than 1024
sed -i -e "s@^#Port 22@Port 8866@g"  -e "s@^#Protocol 2@Protocol 2@g" /etc/ssh/sshd_config# set the secret key bits
sed -i -e "s@^#ServerKeyBits 1024@ServerKeyBits 1024@g"  -e "s@^#RSAAuthentication yes@RSAAuthentication yes@g" /etc/ssh/sshd_config# limit the login-way of user within Authentication-key
sed -i -e "s@^#PubkeyAuthentication yes@PubkeyAuthentication yes@g"  -e "s@^#PermitEmptyPasswords no@PermitEmptyPasswords no@g" /etc/ssh/sshd_configsed -i -e "s@^GSSAPIAuthentication yes@#GSSAPIAuthentication yes@g"  -e "s@^GSSAPICleanupCredentials yes@#GSSAPICleanupCredentials yes@g" /etc/ssh/sshd_config# forbid login with password
sed -i -e "s@^PasswordAuthentication yes@PasswordAuthentication no@g"  -e "s@^PermitRootLogin yes@PermitRootLogin without-password@g" /etc/ssh/sshd_config# start the sshd service
systemctl restart sshd.service
service sshd start

colo desert                             "设置主题方案
"colo darkblue
set shortmess=atI                           "不显示欢迎界面
set helplang=cn                             "帮助中文支持"set go= "设置没有GUI界面set guioptions-=T                           "隐藏工具栏
set guioptions-=m                           "隐藏菜单栏
set guioptions-=L                           "隐藏左侧滚动条
set guioptions-=r                           "隐藏右侧滚动条
set guioptions-=b                           "隐藏底部滚动条
set guifont=NSimSun:h10                     "设置新宋体

set encoding=utf-8                          "编码格式，防止中文乱码
"设置当前文档的编码格式以及保存时的格式
set fileencoding=utf8
"vim启动时逐一探测即将打开的文字的编码
set fileencodings=ucs-bom,utf-8,chinese,gbk,latin-1
"设置文件格式，默认ffs=dos,unix
set ffs=unix,dos,mac
"vim提示信息乱码
language messages zh_CN.utf-8
"vim菜单乱码
source $VIMRUNTIME/delmenu.vim
source $VIMRUNTIME/menu.vimset equalalways                             "分割窗口时保持相等的宽/高"让回格键可以删除缩进的空格、换行的回车键、以及插入前已经输入的文字
set backspace=indent,eol,start
"让光标移到一行最左边的时候若继续按左键， 光标能回到上一行的最右边，具体可:h whichwrap
set whichwrap=b,s,<,>,[,]
" 我的状态行显示的内容（包括文件类型和解码）
set statusline=%F%m%r%h%w\ [TYPE=%Y]\ [%{&ff}][%{&fenc!=''?&fenc:&enc}]\[%{(&bomb!=''?'bom':'nobom')}]\ [POS=%l,%v][%p%%]\ %{strftime(\"%Y.%m.%d\ \%H:%M\")} "set statusline=[%F]%y%r%m%*%=[Line:%l/%L,Column:%c][%p%%]" 不让vim发出讨厌的滴滴声
set noerrorbells
" 关闭使用可视响铃代替呼叫
set novisualbell"自动缩进
set autoindent
"智能缩进
set smartindent
"Tab键的宽度
set tabstop=4
"统一缩进为4
set softtabstop=4
set shiftwidth=4
"设置自动换行
set wrap" 在处理未保存或只读文件的时候，弹出确认
set confirm"自动补全设置，利用gvim自带的插件
autocmd FileType python set omnifunc=pythoncomplete#Complete
autocmd FileType javascript set omnifunc=javascriptcomplete#CompleteJS
autocmd FileType html set omnifunc=htmlcomplete#CompleteTags
autocmd FileType css set omnifunc=csscomplete#CompleteCSS
autocmd FileType xml set omnifunc=xmlcomplete#CompleteTags
autocmd FileType php set omnifunc=phpcomplete#CompletePHP
autocmd FileType c set omnifunc=ccomplete#Complete
"无需closetag插件，一行代码完成html/xml的闭合tag自动补全
autocmd BufNewFile,BufRead *.html,*.htm,*.xml inoremap </ </<c-x><c-o>"让注释符与语句之间留一个空格
let NERDSpaceDelims=1
"多行注释时样子更好看
let NERDCompactSexyComs=1set nobomb
set fileformats=unix
set pastetoggle=<F9>
set backspace=2                                 "设置退格键可用
set shiftwidth=4                                "换行时行间交错使用4个空格
set noexpandtab                                 "不要用空格代替制表符
set cursorline                                  "突出显示当前行
set number                                      "显示行号
set showmode
"set nocompatible                               "关闭模式
set magic                                       "设置魔术
set ruler                                       "右下角显示光标位置的状态行
set autoindent                                  "设置自动缩进对齐
set smartindent                                 "智能自动缩进
set cindent                                     "C风格缩进
set laststatus=2                                "总是显示状态行
set ignorecase                                  "在搜索时忽略大小写
set incsearch                                   "实时搜索
set hlsearch                                    "高亮搜索结果
set noignorecase                                "不区分大小写
set completeopt=longest,menu                    "智能补全
"set list                                       "显示tab符，使用一高亮竖线代替
set noundofile                                  "设置无备份
set nobackup
set noswapfile
set showmatch                                   "设置匹配模式，如括号等
set autochdir                                   "自动切换当前目录为当前文件所在的目录
syntax enable                                   "打开语法高亮
syntax on                                       "开启文件类型侦测
set showcmd