Linux下多种方法删除重复行/列
发布时间:November 19, 2012 // 分类:Shell // No Comments
Linux下文本处理工具很丰富很强大,去重复行可用以下方法:
cat log
www.haiyun.me 192.168.1.1
www.haiyun.me 192.168.1.1
www.haiyun.me 192.168.1.2
uniq log
sort -u log
uniq log
www.haiyun.me 192.168.1.1
www.haiyun.me 192.168.1.2
使用awk按列删除重复行,也可按多列或整行操作。
awk '!i[$1]++' log
www.haiyun.me 192.168.1.1
使用sed删除重复行:
sed '$!N; /^\(.*\)\n\1$/!P; D' log
www.haiyun.me 192.168.1.1
www.haiyun.me 192.168.1.2
XenServer获取所有VM虚拟机名称及对应MAC地址
发布时间:November 19, 2012 // 分类:虚拟化,Shell // No Comments
XenServer5.6测试通过,用于查找所有VM及其对应MAC地址写入output.csv文件,直接下载shell脚本。
#!/bin/bash
#https://www.haiyun.me
if [ $(whoami) != 'root' ];
then
echo "Must be root to run $0"
exit 1;
fi
if [[ ! -e output.csv ]];
then
touch output.csv
else
> output.csv
fi
for vmuuid in `xe vm-list | awk -F ':' '/^uuid/ {print $2}'` ;
do
namelabel=`xe vm-param-get uuid=$vmuuid param-name=name-label`
case $namelabel in
*"Control domain"* ) continue ;;
esac
i=`xe vif-list vm-name-label="$namelabel" | grep device | wc -l`
writeline="\"$namelabel\""
writeline+=","
for ((j=0;j<$i;j++))
do
mac=`xe vif-list vm-name-label="$namelabel" params=MAC device=$j | awk -F': ' '/^MAC/ {print $2}'`
if [ -z "$mac" ]
then
i=`expr $i + 1`
continue
else
writeline+=$mac
fi
if [ $j -lt `expr $i - 1` ]
then
writeline+=","
fi
done
echo "$writeline" >> output.csv
done
echo "VMs and their respective MAC addresses have been written to output.csv in the current directory."
exit 0
SQL2008数据库恢复错误用户组当前数据库中已存在
发布时间:November 16, 2012 // 分类:数据库 // No Comments
Windows 2003/2008更改远程桌面端口脚本
发布时间:November 13, 2012 // 分类:Windows // No Comments
保存为bat文件,点击运行按提示输入新端口自动完成,直接下载更改远程桌面端口脚本
@echo off
color 0a
title @@ 修改Windows XP/2003/2008远程桌面服务端口号 https://www.haiyun.me @@
echo *******************************************************************
echo * 请输入您要更改的远程桌面端口号,范围:1-65535,不能与其他端口冲突 *
echo *******************************************************************
echo.
set /p port=请输入端口号:
reg add "HKLM\SYSTEM\CurrentControlSet\Control\Terminal Server\Wds\rdpwd\Tds\tcp" /v PortNumber /t reg_dword /d %port% /f
reg add "HKLM\SYSTEM\CurrentControlSet\Control\Terminal Server\WinStations\RDP-Tcp" /v PortNumber /t reg_dword /d %port% /f
echo.
echo *******************************
echo * 重新启动远程桌面*
echo *******************************
reg add "HKLM\SYSTEM\CurrentControlSet\Control\Terminal Server" /v fDenyTSConnections /t reg_dword /d 1 /f
reg add "HKLM\SYSTEM\CurrentControlSet\Control\Terminal Server" /v fDenyTSConnections /t reg_dword /d 0 /f
echo.
echo 按任意键退出...
pause>nul
exit
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