diff --git a/translated/tech/20150520 Shell Script to Backup Files or Directories Using rsync.md b/published/20150520 Shell Script to Backup Files or Directories Using rsync.md similarity index 51% rename from translated/tech/20150520 Shell Script to Backup Files or Directories Using rsync.md rename to published/20150520 Shell Script to Backup Files or Directories Using rsync.md index 639e58ede9..b987588c4f 100644 --- a/translated/tech/20150520 Shell Script to Backup Files or Directories Using rsync.md +++ b/published/20150520 Shell Script to Backup Files or Directories Using rsync.md @@ -1,6 +1,6 @@ Shell脚本:使用rsync备份文件/目录 ================================================================================ -本文,我们带来了shell脚本,用来使用rsync命令将你本地Linux机器上的文件/目录备份到远程Linux服务器上。使用该脚本实施备份会是一个交互的方式,你需要提供远程备份服务器的主机名/ip地址和文件夹位置。我们保留了一个独立文件,在这个文件中你需要提供需要备份的文件/目录。我们添加了两个脚本,**第一个脚本**在每次拷贝完一个文件后询问密码(如果你启用了ssh验证密钥,那么就不会询问密码),而第二个脚本中,则只会提示一次输入密码。 +本文我们介绍一个shell脚本,用来使用rsync命令将你本地Linux机器上的文件/目录备份到远程Linux服务器上。使用该脚本会以交互的方式实施备份,你需要提供远程备份服务器的主机名/ip地址和文件夹位置。我们使用一个单独的列表文件,在这个文件中你需要列出要备份的文件/目录。我们添加了两个脚本,**第一个脚本**在每次拷贝完一个文件后询问密码(如果你启用了ssh密钥验证,那么就不会询问密码),而第二个脚本中,则只会提示一次输入密码。 我们打算备份bckup.txt,dataconfig.txt,docs和orcledb。 @@ -12,7 +12,7 @@ Shell脚本:使用rsync备份文件/目录 drwxr-xr-x. 2 root root 4096 May 15 10:45 docs drwxr-xr-x. 2 root root 4096 May 15 10:44 oracledb -该文件包含了备份文件/目录的详情 +bckup.txt文件包含了需要备份的文件/目录的详情 [root@Fedora21 tmp]# cat /tmp/bckup.txt /tmp/oracledb @@ -24,46 +24,46 @@ Shell脚本:使用rsync备份文件/目录 #!/bin/bash - #We will save path to backup file in variable + # 将备份列表文件的路径保存到变量中 backupf='/tmp/bckup.txt' - #Next line just prints message + # 输入一个提示信息 echo "Shell Script Backup Your Files / Directories Using rsync" - #next line check if entered value is not null, and if null it will reask user to enter Destination Server + # 检查是否输入了目标服务器,如果为空就再次提示用户输入 while [ x$desthost = "x" ]; do - #next line prints what userd should enter, and stores entered value to variable with name desthost + # 提示用户输入目标服务器地址并保存到变量 read -p "Destination backup Server : " desthost - #next line finishes while loop + # 结束循环 done - #next line check if entered value is not null, and if null it will reask user to enter Destination Path + # 检查是否输入了目标文件夹,如果为空就再次提示用户输入 while [ x$destpath = "x" ]; do - #next line prints what userd should enter, and stores entered value to variable with name destpath + # 提示用户输入目标文件夹并保存到变量 read -p "Destination Folder : " destpath - #next line finishes while loop + # 结束循环 done - #Next line will start reading backup file line by line + # 逐行读取备份列表文件 for line in `cat $backupf` - #and on each line will execute next + # 对每一行都进行处理 do - #print message that file/dir will be copied + # 显示要被复制的文件/文件夹名称 echo "Copying $line ... " - #copy via rsync file/dir to destination + # 通过 rsync 复制文件/文件夹到目标位置 rsync -ar "$line" "$desthost":"$destpath" - #this line just print done + # 显示完成 echo "DONE" - #end of reading backup file + # 结束 done #### 运行带有输出结果的脚本 #### @@ -91,64 +91,65 @@ Shell脚本:使用rsync备份文件/目录 #!/bin/bash - #We will save path to backup file in variable + # 将备份列表文件的路径保存到变量中 backupf='/tmp/bckup.txt' - #Next line just prints message + # 输入一个提示信息 echo "Shell Script Backup Your Files / Directories Using rsync" - #next line check if entered value is not null, and if null it will reask user to enter Destination Server + # 检查是否输入了目标服务器,如果为空就再次提示用户输入 while [ x$desthost = "x" ]; do - #next line prints what userd should enter, and stores entered value to variable with name desthost + # 提示用户输入目标服务器地址并保存到变量 read -p "Destination backup Server : " desthost - #next line finishes while loop + # 结束循环 done - #next line check if entered value is not null, and if null it will reask user to enter Destination Path + # 检查是否输入了目标文件夹,如果为空就再次提示用户输入 while [ x$destpath = "x" ]; do - #next line prints what userd should enter, and stores entered value to variable with name destpath + # 提示用户输入目标文件夹并保存到变量 read -p "Destination Folder : " destpath - #next line finishes while loop + # 结束循环 done - #next line check if entered value is not null, and if null it will reask user to enter password + # 检查是否输入了目标服务器密码,如果为空就再次提示用户输入 while [ x$password = "x" ]; do - #next line prints what userd should enter, and stores entered value to variable with name password. #To hide password we are using -s key + # 提示用户输入密码并保存到变量 + # 使用 -s 选项不回显输入的密码 read -sp "Password : " password - #next line finishes while loop + # 结束循环 done - #Next line will start reading backup file line by line + # 逐行读取备份列表文件 for line in `cat $backupf` - #and on each line will execute next + # 对每一行都进行处理 do - #print message that file/dir will be copied + # 显示要被复制的文件/文件夹名称 echo "Copying $line ... " - #we will use expect tool to enter password inside script + # 使用 expect 来在脚本中输入密码 /usr/bin/expect << EOD - #next line set timeout to -1, recommended to use + # 推荐设置超时为 -1 set timeout -1 - #copy via rsync file/dir to destination, using part of expect — spawn command + # 通过 rsync 复制文件/文件夹到目标位置,使用 expect 的组成部分 spawn 命令 spawn rsync -ar ${line} ${desthost}:${destpath} - #as result of previous command we expect “password” promtp + # 上一行命令会等待 “password” 提示 expect "*?assword:*" - #next command enters password from script + # 在脚本中提供密码 send "${password}\r" - #next command tells that we expect end of file (everything finished on remote server) + # 等待文件结束符(远程服务器处理完了所有事情) expect eof - #end of expect pard + # 结束 expect 脚本 EOD - #this line just print done + # 显示结束 echo "DONE" - #end of reading backup file + # 完成 done #### 运行第二个带有输出结果的脚本的屏幕截图 #### @@ -163,7 +164,7 @@ via: http://linoxide.com/linux-shell-script/shell-script-backup-files-directorie 作者:[Yevhen Duma][a] 译者:[GOLinux](https://github.com/GOLinux) -校对:[校对者ID](https://github.com/校对者ID) +校对:[wxy](https://github.com/wxy) 本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创翻译,[Linux中国](https://linux.cn/) 荣誉推出