You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
105 lines
2.8 KiB
105 lines
2.8 KiB
#!/usr/bin/bash
|
|
|
|
# os check
|
|
# build 2021-06-16
|
|
|
|
#1、磁盘根分区剩余百分比 #返回数值，并添加触发器报警
|
|
function disk(){
|
|
local _part _disk
|
|
_part=$(lsblk -b |grep "centos-root"|awk '{print $(NF-3)}'|awk -F'G' '{print $1}')
|
|
_disk=$(lsblk -b |grep sda|grep disk|awk '{print $(NF-2)}'|awk -F'G' '{print $1}')
|
|
echo "scale=2;a=${_part}/${_disk};if (length(a)==scale(a)) print 0;print a " |bc
|
|
}
|
|
|
|
#2、内存剩余百分比 #返回数值
|
|
function memory(){
|
|
local _memFree _memTotal
|
|
_memFree=$(free -b |awk 'NR==2{print $4}')
|
|
_memTotal=$(free -b |awk 'NR==2{print $2}')
|
|
echo "scale=2;a=${_memFree}/${_memTotal};if (length(a)==scale(a)) print 0;print a " |bc
|
|
}
|
|
|
|
#3、swap使用情况 #返回数值
|
|
function memory(){
|
|
free -m |awk 'NR==3{print $3}'
|
|
}
|
|
|
|
#4、cpu 1、5、15分钟负载 #返回数值或其他类型
|
|
function cpuLoad(){
|
|
case $1 in
|
|
1)
|
|
uptime |awk '{print $(NF-2)}'|awk -F',' '{print $1}'
|
|
;;
|
|
5)
|
|
uptime |awk '{print $(NF-1)}'|awk -F',' '{print $1}'
|
|
;;
|
|
15)
|
|
uptime |awk '{print $(NF)}'|awk -F',' '{print $1}'
|
|
esac
|
|
}
|
|
|
|
#5、/etc/passwd /etc/shadow /etc/sodoers 等文件修改情况 #返回任意类型，并添加触发器报警
|
|
function fileMD5(){
|
|
[ ! -f /tmp/md5.hash ] && md5sum /etc/passwd /etc/shadow /etc/sudoers > /tmp/md5sum && echo "数据收集中"
|
|
md5sum -c /tmp/md5.hash |grep -E "FAILED|失败"
|
|
}
|
|
|
|
#6、系统启动时间 #返回任意类型
|
|
function uptime(){
|
|
local _uptime _idletime
|
|
_uptime=$(cat /proc/uptime |awk '{print ($1/60)}') # 单位为分钟
|
|
_idletime=$(cat /proc/uptime |awk '{print ($2/60)}') # 系统空闲时间
|
|
case $1 in
|
|
upTime)
|
|
echo $_uptime
|
|
;;
|
|
idleTime)
|
|
echo $_idletime
|
|
;;
|
|
idle)
|
|
echo "scale=2;a=${_idletime}/${_uptime};if (length(a)==scale(a)) print 0;print a " |bc
|
|
esac
|
|
}
|
|
|
|
#7、系统连接数 #返回数值
|
|
function conns(){
|
|
case $1 in
|
|
all)
|
|
netstat -an | grep ESTABLISHED | wc -l
|
|
;;
|
|
[1-9]*)
|
|
lsof -i:$1 |wc -l
|
|
esac
|
|
}
|
|
|
|
#8、系统开启端口数量 #返回任意类型，需要知道是哪些端口
|
|
function ports(){
|
|
local p
|
|
case $1 in
|
|
portList)
|
|
p="`ss -tnul | grep -v Netid |awk '{print $5}'|awk -F ':' '{print $NF}'|sort -n|uniq`"
|
|
echo $p
|
|
;;
|
|
port)
|
|
ss -tnul | grep -v Netid |awk '{print $5}'|awk -F ':' '{print $NF}'|sort -n|uniq|wc -l
|
|
esac
|
|
}
|
|
|
|
#9、系统开机启动服务 #返回任意类型
|
|
function services(){
|
|
local s
|
|
case $1 in
|
|
servicesList)
|
|
s="`ls /etc/systemd/system/multi-user.target.wants/`"
|
|
echo $s
|
|
;;
|
|
service)
|
|
ls /etc/systemd/system/multi-user.target.wants/ |wc -l
|
|
esac
|
|
}
|
|
|
|
#10、计划任务 #返回文本
|
|
function crontab(){
|
|
sudo crontab -l -u $1
|
|
}
|
|
|
|
|