``` #!/bin/sh if [[ $# -ne 1 ]] then echo "Usage: chpw.sh password" exit 1 fi passwd=$1 echo "${passwd}" | passwd --stdin root ```

``` select table_name,table_rows from information_schema.tables where TABLE_SCHEMA = '数据库名称' order by table_rows desc; select sum(table_rows) from information_schema.tables where TABLE_SCHEMA = '数据库名称' order by table_rows desc; ```

``` #!/bin/bash #访问日志存放目录 LOGS_PATH="/usr/local/nginx/log/" #创建存放分割后的目录，目录以年/月命名 mkdir -p ${logs_path}$(date -d "yesterday" +"%Y")/$(date -d "yesterday" +"%m")/ #将访问日志进行迁移到指定目�

``` ####把本地/root dao ./bak/cacti-net-bak 下#### #!/bin/bash filename="`date +%F`.xlsx" ftp -n<<! open IP user 用户 密码 binary hash cd ./bak/cacti-net-bak lcd /root prompt echo $filename put $filename $filename close bye ! ```

``` #!/bin/bash # ###配置函数### info() { if [ $n -eq 1 ]; then echo -e "*******当前时间：*******" date echo -e "*******系统名称：*******" cat /etc/redhat-release echo -e "*******系统CPU核数(逻辑)：*******" cat /proc/cpuinfo |g