Check linux info

Check_linux_info.sh

#!/bin/bash

# =================基本配置=================
NETWORK_CARD='eth2'
# =================基本配置=================

# 将屏幕输出的文件，同时保存在文档中
# 用到知识点：文件描述符与重定向，管道
logfile=checkSystemConfig.log
fifofile=checkSystemConfig.fifo
mkfifo ${fifofile}
cat ${fifofile} | tee -a ${logfile} &
exec 1>${fifofile}
exec 2>$1
if [[ -e ${fifofile} ]]; then
    rm -rf ${fifofile}
fi

echo -e "\n----------------------------------"
DATE=`date`
echo -e "date:${DATE}"
echo -e "----------------------------------\n"

# echo '=================安装所需软件================='
# if [ ${SYSTEM_VERSION} == 'C' ]; then
#     sudo yum install -y net-tools
# elif [ ${SYSTEM_VERSION} == 'U' ]; then
#     sudo apt-get install -y net-tools
# fi
# echo '=================安装所需软件================='
# echo -e

echo '=================操作系统信息================='
echo '内核信息:'
sudo uname -a
echo -e

echo '当前用户名为:'
sudo hostname
echo -e

echo '操作系统版本:'
# if [ ${SYSTEM_VERSION} == 'C' ]; then
sudo cat /etc/redhat-release
# elif [ ${SYSTEM_VERSION} == 'U' ]; then
sudo lsb_release -d
# fi
echo -e

echo '所有PCI设备:'
sudo lspci -tv
echo -e

echo '加载的内核模块:'
sudo lsmod
echo -e

echo '环境变量:'
sudo env
# echo '=================操作系统信息================='
# echo -e


# echo '=================服务器信息================='
# echo '服务器型号:'
# sudo dmidecode -s system-product-name
# echo -e

# echo '内存插条数，已使用插槽数，及每条内存大小:'
# sudo dmidecode|grep -P -A5 "Memory\s+Device" | grep Size |grep -v Range | cat -n
# echo -e

# echo '内存的频率:'
# sudo dmidecode|grep -A16 "Memory Device"|grep 'Speed' | cat -n
# echo '=================服务器信息================='
# echo -e

echo '=================资源信息================='
echo '内存使用量和交换区使用量:'
sudo free -mh
echo -e

echo '各分区使用情况:'
sudo df -h
echo -e

echo '系统运行时间、用户数、负载:'
sudo uptime
echo -e

echo '系统负载:'
sudo cat /proc/loadavg
echo '=================资源信息================='
echo -e

echo '=================磁盘与分区================='
echo '挂接的分区状态:'
sudo mount | column -t
echo -e

echo '查看所有分区:'
sudo fdisk -l
echo -e

echo '所有交换分区:'
sudo swapon -s
echo -e

echo '启动时IDE设备检测状况:'
sudo dmesg | grep sda
echo '=================磁盘与分区================='
echo -e

echo '=================CPU信息================='
echo 'CPU个数为:'
sudo cat /proc/cpuinfo | grep physical  | sort -n | uniq | wc -l
echo -e

echo 'CPU核数信息:'
sudo cat /proc/cpuinfo  | grep processor | sort -n | uniq -c
echo -e

echo 'CPU信息型号:'
sudo cat /proc/cpuinfo | grep name | cut -f2 -d:  | uniq
echo -e

echo 'CPU运行位数:'
sudo getconf LONG_BIT
echo -e

echo 'CPU的Long Mode数值。如果大于0，则支持64bit计算'
sudo cat /proc/cpuinfo | grep flags | grep 'lm' | wc -l
echo '=================CPU信息================='
echo -e

echo '=================网络信息================='
echo '所有网络接口的属性:'
sudo ifconfig
echo -e

echo '防火墙设置:'
sudo iptables -L
echo -e

echo '网卡速率信息:'
sudo ethtool ${NETWORK_CARD}
echo -e

echo '当前暴露出来的服务端口:'
sudo netstat -ntlp
echo -e

echo '路由信息:'
sudo route -n
echo '=================网络信息================='
echo -e

echo '=================用户信息================='
echo '活动用户:'
sudo w
echo -e

echo '用户登录日志:'
sudo last
echo -e

echo '系统所有用户:'
sudo cut -d: -f1 /etc/passwd
echo -e

echo '系统所有组:'
sudo cut -d: -f1 /etc/group
echo -e

echo '当前用户的计划任务:'
sudo crontab -l
echo -e


echo '所有系统服务:'
sudo chkconfig --list
sudo service --status-all