mirror of https://github.com/fengyuhetao/shell.git
226 lines
5.1 KiB
Bash
226 lines
5.1 KiB
Bash
#!/bin/bash
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# auth:kaliarch
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# func:sys info check
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# version:v1.0
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[ $(id -u) -gt 0 ] && echo "请用root用户执行此脚本！" && exit 1
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sysversion=$(rpm -q centos-release|cut -d- -f3)
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line="-------------------------------------------------"
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[ -d logs ] || mkdir logs
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sys_check_file="logs/$(ip a show dev eth0|grep -w inet|awk '{print $2}'|awk -F '/' '{print $1}')-`date +%Y%m%d`.txt"
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# 获取系统cpu信息
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function get_cpu_info() {
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Physical_CPUs=$(grep "physical id" /proc/cpuinfo| sort | uniq | wc -l)
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Virt_CPUs=$(grep "processor" /proc/cpuinfo | wc -l)
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CPU_Kernels=$(grep "cores" /proc/cpuinfo|uniq| awk -F ': ' '{print $2}')
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CPU_Type=$(grep "model name" /proc/cpuinfo | awk -F ': ' '{print $2}' | sort | uniq)
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CPU_Arch=$(uname -m)
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cat <<EOF
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CPU信息:
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物理CPU个数:$Physical_CPUs
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逻辑CPU个数:$Virt_CPUs
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每CPU核心数:$CPU_Kernels
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CPU型号:$CPU_Type
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CPU架构:$CPU_Arch
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EOF
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}
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# 获取系统内存信息
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function get_mem_info() {
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check_mem=$(free -m)
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MemTotal=$(grep MemTotal /proc/meminfo| awk '{print $2}') #KB
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MemFree=$(grep MemFree /proc/meminfo| awk '{print $2}') #KB
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let MemUsed=MemTotal-MemFree
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MemPercent=$(awk "BEGIN {if($MemTotal==0){printf 100}else{printf \"%.2f\",$MemUsed*100/$MemTotal}}")
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report_MemTotal="$((MemTotal/1024))""MB" #内存总容量(MB)
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report_MemFree="$((MemFree/1024))""MB" #内存剩余(MB)
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report_MemUsedPercent="$(awk "BEGIN {if($MemTotal==0){printf 100}else{printf \"%.2f\",$MemUsed*100/$MemTotal}}")""%" #内存使用率%
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cat <<EOF
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内存信息：
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${check_mem}
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EOF
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}
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# 获取系统网络信息
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function get_net_info() {
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pri_ipadd=$(ip a show dev eth0|grep -w inet|awk '{print $2}'|awk -F '/' '{print $1}')
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pub_ipadd=$(curl ifconfig.me -s)
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gateway=$(ip route | grep default | awk '{print $3}')
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mac_info=$(ip link| egrep -v "lo"|grep link|awk '{print $2}')
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dns_config=$(egrep -v "^$|^#" /etc/resolv.conf)
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route_info=$(route -n)
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cat <<EOF
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IP信息:
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系统公网地址:${pub_ipadd}
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系统私网地址:${pri_ipadd}
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网关地址:${gateway}
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MAC地址:${mac_info}
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路由信息:
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${route_info}
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DNS 信息:
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${dns_config}
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EOF
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}
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# 获取系统磁盘信息
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function get_disk_info() {
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disk_info=$(fdisk -l|grep "Disk /dev"|cut -d, -f1)
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disk_use=$(df -hTP|awk '$2!="tmpfs"{print}')
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disk_inode=$(df -hiP|awk '$1!="tmpfs"{print}')
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cat <<EOF
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磁盘信息:
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${disk_info}
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磁盘使用:
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${disk_use}
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inode信息:
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${disk_inode}
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EOF
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}
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# 获取系统信息
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function get_systatus_info() {
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sys_os=$(uname -o)
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sys_release=$(cat /etc/redhat-release)
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sys_kernel=$(uname -r)
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sys_hostname=$(hostname)
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sys_selinux=$(getenforce)
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sys_lang=$(echo $LANG)
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sys_lastreboot=$(who -b | awk '{print $3,$4}')
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sys_runtime=$(uptime |awk '{print $3,$4}'|cut -d, -f1)
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sys_time=$(date)
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sys_load=$(uptime |cut -d: -f5)
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cat <<EOF
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系统信息:
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系统: ${sys_os}
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发行版本: ${sys_release}
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系统内核: ${sys_kernel}
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主机名: ${sys_hostname}
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selinux状态: ${sys_selinux}
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系统语言: ${sys_lang}
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系统当前时间: ${sys_time}
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系统最后重启时间: ${sys_lastreboot}
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系统运行时间: ${sys_runtime}
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系统负载: ${sys_load}
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EOF
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}
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# 获取服务信息
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function get_service_info() {
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port_listen=$(netstat -lntup|grep -v "Active Internet")
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kernel_config=$(sysctl -p 2>/dev/null)
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if [ ${sysversion} -gt 6 ];then
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service_config=$(systemctl list-unit-files --type=service --state=enabled|grep "enabled")
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run_service=$(systemctl list-units --type=service --state=running |grep ".service")
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else
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service_config=$(/sbin/chkconfig | grep -E ":on|:启用" |column -t)
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run_service=$(/sbin/service --status-all|grep -E "running")
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fi
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cat <<EOF
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服务启动配置:
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${service_config}
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${line}
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运行的服务:
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${run_service}
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${line}
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监听端口:
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${port_listen}
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${line}
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内核参考配置:
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${kernel_config}
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EOF
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}
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function get_sys_user() {
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login_user=$(awk -F: '{if ($NF=="/bin/bash") print $0}' /etc/passwd)
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ssh_config=$(egrep -v "^#|^$" /etc/ssh/sshd_config)
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sudo_config=$(egrep -v "^#|^$" /etc/sudoers |grep -v "^Defaults")
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host_config=$(egrep -v "^#|^$" /etc/hosts)
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crond_config=$(for cronuser in /var/spool/cron/* ;do ls ${cronuser} 2>/dev/null|cut -d/ -f5;egrep -v "^$|^#" ${cronuser} 2>/dev/null;echo "";done)
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cat <<EOF
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系统登录用户:
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${login_user}
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${line}
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ssh 配置信息:
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${ssh_config}
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${line}
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sudo 配置用户:
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${sudo_config}
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${line}
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定时任务配置:
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${crond_config}
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${line}
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hosts 信息:
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${host_config}
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EOF
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}
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function process_top_info() {
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top_title=$(top -b n1|head -7|tail -1)
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cpu_top10=$(top b -n1 | head -17 | tail -11)
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mem_top10=$(top -b n1|head -17|tail -10|sort -k10 -r)
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cat <<EOF
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CPU占用top10:
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${top_title}
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${cpu_top10}
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内存占用top10:
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${top_title}
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${mem_top10}
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EOF
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}
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function sys_check() {
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get_cpu_info
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echo ${line}
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get_mem_info
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echo ${line}
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get_net_info
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echo ${line}
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get_disk_info
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echo ${line}
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get_systatus_info
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echo ${line}
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get_service_info
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echo ${line}
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get_sys_user
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echo ${line}
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process_top_info
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}
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sys_check > ${sys_check_file}
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