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linux服务器巡检命令

2024-12-06 分类：linux 阅读(18) 评论(0)

系统基本信息 {#系统基本信息}

操作系统版本

uname -a

查看当前运行的系统信息

cat /proc/version

查看发行版本

cat /etc/issue

查看发行详细信息

yum install redhat-lsb -y
lsb_release` `-a`
`

网络信息 {#网络信息}

网络配置信息

ifconfig -a

查看网络连接情况

ping www.baidu.com

CPU 信息 {#CPU信息}

cpu 信息

cat /proc/cpuinfo

查看物理 CPU 的个数

cat /proc/cpuinfo| grep "physical id"| sort| uniq| wc -l

查看逻辑 CPU 的个数

cat /proc/cpuinfo| grep "processor"| wc -l

查看 CPU 的核心数

cat /proc/cpuinfo| grep "cpu cores"| uniq

内存信息 {#内存信息}

查看物理内存信息

cat /proc/meminfo

查看内存实际使用情况

free -m

硬盘信息 {#硬盘信息}

查看磁盘信息

cat /proc/partitions

查看文件系统信息

df -lh

巡检常用命令 {#巡检常用命令}

CPU 负载情况

top

内存剩余使用率信息

free -m | grep Mem | awk '{print $4/$2*100}'

磁盘读写监控

yum install sysstat
iostat`
`

环境变量监控

env

网络统计信息

ifconfig ens33 | grep 'RX packets' | awk -F '(' '{print $2}' | awk -F ')' '{print $1}'
`ifconfig ens33 | grep `'TX packets'` | awk -F `'('` `'{print $2}'` | awk -F `')'` `'{print $1}'`
`

开放端口检查

netstat -tunlp | grep LISTEN

查看当前登录用户信息

w

查看 ssh 登录失败日志

lastb

查看 ssh 登录成功日志

last

系统运行时间

uptime

系统重启日志

last reboot

系统账号检查

cat /etc/passwd 
cat /etc/shadow

查看系统定时任务

cat /var/spool/cron/*

一键脚本 {#一键脚本}

先安装依赖

yum -y install bc sysstat net-tools

脚本

#!/bin/bash
ipaddress=`ip a|grep "global"|awk '{print $2}' |awk -F/ '{print $1}'`
file_output=${ipaddress}'_os_linux_summary.html'
td_str=''
th_str=''
yum -y install bc sysstat net-tools;
sleep 10;
create_html_css(){
  echo -e "<html>
<head>
<style type="text/css">
    body        {font:12px Courier New,Helvetica,sansserif; color:black; background:White;}
    table,tr,td {font:12px Courier New,Helvetica,sansserif; color:Black; background:#FFFFCC; padding:0px 0px 0px 0px; margin:0px 0px 0px 0px;} 
    th          {font:bold 12px Courier New,Helvetica,sansserif; color:White; background:#0033FF; padding:0px 0px 0px 0px;} 
    h1          {font:bold 12pt Courier New,Helvetica,sansserif; color:Black; padding:0px 0px 0px 0px;} 
</style>
</head>
<body>"
}
create_html_head(){
echo -e "<h1>$1</h1>"
}
create_table_head1(){
  echo -e "<table width="68%" border="1" bordercolor="#000000" cellspacing="0px" style="border-collapse:collapse">"
}
create_table_head2(){
  echo -e "<table width="100%" border="1" bordercolor="#000000" cellspacing="0px" style="border-collapse:collapse">"
}
create_td(){
    td_str=`echo $1 | awk 'BEGIN{FS="|"}''{i=1; while(i<=NF) {print "<td>"$i"</td>";i++}}'`
}
create_th(){
    th_str=`echo $1|awk 'BEGIN{FS="|"}''{i=1; while(i<=NF) {print "<th>"$i"</th>";i++}}'`
}
create_tr1(){
  create_td "$1"
  echo -e "<tr>
    $td_str
  </tr>" >> $file_output
}
create_tr2(){
  create_th "$1"
  echo -e "<tr>
    $th_str
  </tr>" >> $file_output
}
create_tr3(){
  echo -e "<tr><td>
  <pre style=\"font-family:Courier New; word-wrap: break-word; white-space: pre-wrap; white-space: -moz-pre-wrap\" >
  `cat $1`
  </pre></td></tr>" >> $file_output
}
create_table_end(){
  echo -e "</table>"
}
create_html_end(){
  echo -e "</body></html>"
}
NAME_VAL_LEN=12
name_val () {
   printf "%+*s | %s\n" "${NAME_VAL_LEN}" "$1" "$2"
}
get_physics(){
    name_val "巡检时间" "`date`"
    name_val "主机名" "`uname -n`"
    name_val "系统版本" "`cat /etc/{oracle,redhat,SuSE,centos}-release 2>/dev/null|sort -ru|head -n1`"
    name_val "内核版本" "`uname -r`"
    name_val "架构" "CPU=`lscpu|grep Architecture|awk -F: '{print $2}'|sed 's/^[[:space:]]*//g'`;OS=`getconf LONG_BIT`-bit"
}
get_cpuinfo () {
   file="/proc/cpuinfo"
   virtual=`grep -c ^processor "${file}"`
   physical=`grep 'physical id' "${file}" | sort -u | wc -l`
   cores=`grep 'cpu cores' "${file}" | head -n 1 | cut -d: -f2`
   model=`grep "model name" "${file}"|sort -u|awk -F: '{print $2}'`
   speed=`grep -i "cpu MHz" "${file}"|sort -u|awk -F: '{print $2}'`
   cache=`grep -i "cache size" "${file}"|sort -u|awk -F: '{print $2}'`
   SysCPUIdle=`vmstat | sed -n '$ p' | awk '{print $15}'`
   [ "${physical}" = "0" ] && physical="${virtual}"
   [ -z "${cores}" ] && cores=0
   cores=$((${cores} * ${physical}));
   htt=""
   if [ ${cores} -gt 0 -a $cores -lt $virtual ]; then htt=yes; else htt=no; fi
   name_val "线程" "physical = ${physical}, cores = ${cores}, virtual = ${virtual}, hyperthreading = ${htt}"
   name_val "cpu型号" "${physical} x ${model}"
   name_val "速度" "${virtual} x ${speed} MHz"
   name_val "缓存" "${virtual} x ${cache}"
   name_val "CPU空闲率(%)" "${SysCPUIdle}%"
}
get_netinfo(){
   echo "interface | status | ipadds     |      mtu    |  Speed     |     Duplex" >>/tmp/tmpnet_h1_`date +%y%m%d`.txt
   for ipstr in `ifconfig -a|grep ": flags"|awk  '{print $1}'|sed 's/.$//'`
   do
      ipadds=`ifconfig ${ipstr}|grep -w inet|awk '{print $2}'`
      mtu=`ifconfig ${ipstr}|grep mtu|awk '{print $NF}'`
      speed=`ethtool ${ipstr}|grep Speed|awk -F: '{print $2}'`
      duplex=`ethtool ${ipstr}|grep Duplex|awk -F: '{print $2}'`
      echo "${ipstr}"  "up" "${ipadds}" "${mtu}" "${speed}" "${duplex}"\
      |awk '{print $1,"|", $2,"|", $3,"|", $4,"|", $5,"|", $6}'  >>/tmp/tmpnet1_`date +%y%m%d`.txt
   done
}
get_cpuuse(){
   echo "#######################################  cpu使用率  #######################################" >>/tmp/tmp_cpuuse_`date +%y%m%d`.txt
   mpstat -P ALL 10 8 >>/tmp/tmp_cpuuse_`date +%y%m%d`.txt
}
get_connections (){
  filemax=`cat /proc/sys/fs/file-max`
  name_val "Number of concurrent connections" "${filemax}"
}
get_ulimitinfo(){
   echo "#######################################  系统限制最大进程数  #######################################" >>/tmp/tmp_ulimitinfo_`date +%y%m%d`.txt
   ulimit -a >>/tmp/tmp_ulimitinfo_`date +%y%m%d`.txt
   echo "#######################################  env  #######################################" >>/tmp/tmp_ulimitinfo_`date +%y%m%d`.txt
   env >>/tmp/tmp_ulimitinfo_`date +%y%m%d`.txt
}
get_meminfo(){
   echo "Locator   |Size     |Speed       |Form Factor  | Type      |    Type Detail" >>/tmp/tmpmem3_h1_`date +%y%m%d`.txt
   dmidecode| grep -v "Memory Device Mapped Address"|grep -A12 -w "Memory Device" \
   |egrep "Locator:|Size:|Speed:|Form Factor:|Type:|Type Detail:" \
   |awk -F: '/Size|Type|Form.Factor|Type.Detail|^[\t ]+Locator/{printf("|%s", $2)}/^[\t ]+Speed/{print "|" $2}' \
   |grep -v "No Module Installed" \
   |awk -F"|" '{print $4,"|", $2,"|", $7,"|", $3,"|", $5,"|", $6}' >>/tmp/tmpmem3_t1_`date +%y%m%d`.txt
   free -glht >>/tmp/tmpmem2_`date +%y%m%d`.txt
   memtotal=`vmstat -s | head -1 | awk '{print $1}'`
   avm=`vmstat -s| sed -n '3p' | awk '{print $1}'`
   name_val "Mem_used_rate(%)" "`echo "100*${avm}/${memtotal}" | bc`%" >>/tmp/tmpmem1_`date +%y%m%d`.txt

}
get_diskinfo(){
echo "Filesystem        \|Type   \|Size \|  Used  \| Avail \| Use%  \| Mounted on \| Opts" >>/tmp/tmpdisk_h1_`date +%y%m%d`.txt
df -ThP|grep -v tmpfs|sed '1d'|sort >/tmp/tmpdf1_`date +%y%m%d`.txt
mount -l|awk '{print $1,$6}'|grep ^/|sort >/tmp/tmpdf2_`date +%y%m%d`.txt
join /tmp/tmpdf1_`date +%y%m%d`.txt /tmp/tmpdf2_`date +%y%m%d`.txt

|awk '{print $1,"\|", $2,"\|", $3,"\|", $4,"\|", $5,"\|", $6,"\|", $7,"\|", $8}' >>/tmp/tmpdisk_t1_`date +%y%m%d`.txt
lsblk >>/tmp/tmpdisk1_`date +%y%m%d`.txt
for disk in `ls -l /sys/block|awk '{print $9}'|sed '/^$/d'|grep -v fd`
do
echo "${disk}" `cat /sys/block/<span class="hljs-subst">${disk}</span>/queue/scheduler`  >>/tmp/tmpdisk2_`date +%y%m%d`.txt
done
echo "==========df -h============" >>/tmp/tmpdisk2_`date +%y%m%d`.txt

df -h >>/tmp/tmpdisk2_`date +%y%m%d`.txt
echo "==========mount============" >>/tmp/tmpdisk2_`date +%y%m%d`.txt

mount >>/tmp/tmpdisk2_`date +%y%m%d`.txt
echo "==========fdisk -l============" >>/tmp/tmpdisk2_`date +%y%m%d`.txt

fdisk -l >>/tmp/tmpdisk2_`date +%y%m%d`.txt


pvs \>\>/tmp/tmpdisk3_`date +%y%m%d`.txt
echo "======================  =====  =====  =====  =====  =====  ==========  =======" >>/tmp/tmpdisk3_`date +%y%m%d`.txt
vgs >>/tmp/tmpdisk3_`date +%y%m%d`.txt
echo "======================  =====  =====  =====  =====  =====  ==========  =======" >>/tmp/tmpdisk3_`date +%y%m%d`.txt
lvs >>/tmp/tmpdisk3_`date +%y%m%d`.txt
}
##xiao changge
get_topproc(){
#os load
echo "#######################################  网络流量情况  #######################################" >>/tmp/tmpload_`date +%y%m%d`.txt
sar -n DEV 10 6 \>\>/tmp/tmpload`date +%y%m%d`.txt
echo "####################################### ip add #######################################" \>\>/tmp/tmpload`date +%y%m%d`.txt
ip add \>\>/tmp/tmpload`date +%y%m%d`.txt
echo "####################################### ss -t -a #######################################" \>\>/tmp/tmpload`date +%y%m%d`.txt
ss -t -a  \>\>/tmp/tmpload`date +%y%m%d`.txt
echo "####################################### netstat -lntp #######################################" \>\>/tmp/tmpload`date +%y%m%d`.txt
netstat -lntp  \>\>/tmp/tmpload`date +%y%m%d`.txt
echo "####################################### netstat -anp #######################################" \>\>/tmp/tmpload`date +%y%m%d`.txt
netstat -anp  \>\>/tmp/tmpload`date +%y%m%d`.txt
echo "####################################### netstat -rn #######################################" \>\>/tmp/tmpload`date +%y%m%d`.txt
netstat -rn  \>\>/tmp/tmpload_`date +%y%m%d`.txt


echo "#######################################  系统资源变化  #######################################" \>\>/tmp/tmptop`date +%y%m%d`.txt
vmstat -S M 10 6 \>\>/tmp/tmptop`date +%y%m%d`.txt
mpstat 1 5 \>\>/tmp/tmptop`date +%y%m%d`.txt
echo "####################################### 消耗CPU前十排行 #######################################" \>\>/tmp/tmptop`date +%y%m%d`.txt
ps aux\|head -1 \>\>/tmp/tmptop`date +%y%m%d`.txt
ps aux\|grep -v PID\|sort -rn -k +3\|head \>\>/tmp/tmptop`date +%y%m%d`.txt
sleep 2;
echo "#######################################  消耗内存前十排行  #######################################" \>\>/tmp/tmptop`date +%y%m%d`.txt
ps aux\|head -1 \>\>/tmp/tmptop`date +%y%m%d`.txt
ps aux\|grep -v PID\|sort -rn -k +4\|head  \>\>/tmp/tmptop`date +%y%m%d`.txt
sleep 2;
echo "####################################### TOP资源监控 #######################################" \>\>/tmp/tmptop`date +%y%m%d`.txt
top -bn1 -o "%CPU"\|sed  -n '1,80p' \>\>/tmp/tmptop`date +%y%m%d`.txt
sleep 2;
echo "####################################### 显示进程信息ps -ef #######################################" \>\>/tmp/tmptop`date +%y%m%d`.txt
ps -ef \>\>/tmp/tmptop_`date +%y%m%d`.txt
sleep 2;


#top i/o
echo "#######################################  磁盘io情况  #######################################" \>\>/tmp/tmptopio`date +%y%m%d`.txt
iostat -k -d 10 5 \>\>/tmp/tmptopio`date +%y%m%d`.txt
}
get_crontablist(){
crontab -l \>\>/tmp/tmpcrontab`date +%y%m%d`.txt
if \[ -s /tmp/tmp_crontab_`date +%y%m%d`.txt \] ; then
echo 'ths file is not empyt and file info'
else
echo '#### 无定时任务 ####' \>\>/tmp/tmpcrontab`date +%y%m%d`.txt
fi
}
get_crontab_content(){
crontab_content_log=/tmp/tmpcrontab_content`date +%y%m%d`.txt
crontab -l\|awk -F ' ' '{ print $NF}' \>\>$crontab_content_log


contrab_num=`crontab -l|awk -F ' ' '{ print $NF}'|wc -l`
if \[ $contrab_num -ne 0 \];then
count=1
while \[ $count -le $contrab_num \]
do
echo "#######################################  获取系统定时任务脚本 $count 内容开始  #######################################" \>\>/tmp/tmpcrontab_shellcontent`date +%y%m%d`.txt
cat `sed -n -e "${count}p" $crontab_content_log` \>\>/tmp/tmpcrontab_shellcontent`date +%y%m%d`.txt
echo -e "\n#######################################  获取系统定时任务脚本 $count 内容结束  #######################################\n" \>\>/tmp/tmpcrontab_shellcontent`date +%y%m%d`.txt
count=$\[${count}+1\]
done
else
echo '#### 无定时执行脚本 ####' \>\>/tmp/tmpcrontab_shellcontent`date +%y%m%d`.txt
fi
}
create_html(){
rm -rf $file_output
touch $file_output
create_html_css \>\> $file_output


create_html_head "系统基本信息" \>\> $file_output
create_table_head1 \>\> $file_output
get_physics \>\>/tmp/tmpossumm`date +%y%m%d`.txt
while read line
do
create_tr1 "$line"
done \< /tmp/tmpossumm`date +%y%m%d`.txt
create_table_end \>\> $file_output


create_html_head "cpu信息" \>\> $file_output
create_table_head1 \>\> $file_output
get_cpuinfo \>\>/tmp/tmpcpuinfo`date +%y%m%d`.txt
while read line
do
create_tr1 "$line"
done \< /tmp/tmpcpuinfo`date +%y%m%d`.txt

create_table_end \>\> $file_output


create_html_head "ip网络信息" \>\> $file_output
create_table_head1 \>\> $file_output
get_netinfo
while read line
do
create_tr2 "$line"
done \< /tmp/tmpneth1`date +%y%m%d`.txt
while read line
do
create_tr1 "$line"
done \< /tmp/tmpnet1_`date +%y%m%d`.txt
create_table_end \>\> $file_output


create_html_head "cpu使用率" \>\> $file_output
create_table_head1 \>\> $file_output
get_cpuuse
create_tr3 "/tmp/tmp_cpuuse_`date +%y%m%d`.txt"
create_table_end \>\> $file_output


create_html_head "连接数信息" \>\> $file_output
create_table_head1 \>\> $file_output
get_connections \>\>/tmp/tmpconnections`date +%y%m%d`.txt
while read line
do
create_tr1 "$line"
done \< /tmp/tmpconnections`date +%y%m%d`.txt

create_table_end \>\> $file_output


create_html_head "系统限制信息" \>\> $file_output
create_table_head1 \>\> $file_output
get_ulimitinfo
create_tr3 "/tmp/tmp_ulimitinfo_`date +%y%m%d`.txt"
create_table_end \>\> $file_output


create_html_head "内存使用信息" \>\> $file_output
create_table_head1 \>\> $file_output
get_meminfo
while read line
do
create_tr1 "$line"
done \< /tmp/tmpmem1_`date +%y%m%d`.txt
create_table_end \>\> $file_output


create_table_head1 \>\> $file_output
create_tr3 "/tmp/tmpmem2_`date +%y%m%d`.txt"
create_table_end \>\> $file_output


create_table_head1 \>\> $file_output
while read line
do
create_tr2 "$line"
done \< /tmp/tmpmem3_h1_`date +%y%m%d`.txt


while read line
do
create_tr1 "$line"
done \< /tmp/tmpmem3_t1_`date +%y%m%d`.txt
create_table_end \>\> $file_output


create_html_head "磁盘使用信息" \>\> $file_output
create_table_head1 \>\> $file_output
get_diskinfo
while read line
do
create_tr2 "$line"
done \< /tmp/tmpdiskh1`date +%y%m%d`.txt
while read line
do
create_tr1 "$line"
done \< /tmp/tmpdiskt1`date +%y%m%d`.txt
create_table_end \>\> $file_output


create_table_head1 \>\> $file_output
create_tr3 "/tmp/tmpdisk1_`date +%y%m%d`.txt"
create_table_end \>\> $file_output


create_table_head1 \>\> $file_output
create_tr3 "/tmp/tmpdisk2_`date +%y%m%d`.txt"
create_table_end \>\> $file_output


create_table_head1 \>\> $file_output
create_tr3 "/tmp/tmpdisk3_`date +%y%m%d`.txt"
create_table_end \>\> $file_output


create_html_head "网络流量情况" \>\> $file_output
create_table_head1 \>\> $file_output
get_topproc
create_tr3 "/tmp/tmpload_`date +%y%m%d`.txt"
create_table_end \>\> $file_output


create_html_head "性能相关监控" \>\> $file_output
create_table_head1 \>\> $file_output
sed -i 's/</----/g' "/tmp/tmptop_`date +%y%m%d`.txt"  \>\>/tmp/tmptop`date +%y%m%d`.txt
create_tr3 "/tmp/tmptop`date +%y%m%d`.txt"
create_table_end \>\> $file_output


create_html_head "磁盘io情况" \>\> $file_output
create_table_head1 \>\> $file_output
create_tr3 "/tmp/tmptopio_`date +%y%m%d`.txt"
create_table_end \>\> $file_output


create_html_head "定时任务信息" \>\> $file_output
create_table_head1 \>\> $file_output
get_crontablist
create_tr3 "/tmp/tmp_crontab_`date +%y%m%d`.txt"
create_table_end \>\> $file_output


create_html_head "定时任务脚本内容" \>\> $file_output
create_table_head1 \>\> $file_output
get_crontab_content
create_tr3 "/tmp/tmp_crontab_shellcontent_`date +%y%m%d`.txt"
create_table_end \>\> $file_output

`create_html_end >> $file_output
sed -i `'s/BORDER=1/width="68%" border="1" bordercolor="#000000" cellspacing="0px" style="border-collapse:collapse"/g'` $file_output
rm -rf /tmp/tmp*`_`date +%y%m%d``.txt
}
`# This script must be executed as root`
RUID=``id|awk -F\( '{print $1}'|awk -F\= '{print $2}'``
`if` [ ${RUID} != `"0"` ];then
echo`"This script must be executed as root"`
`exit` `1`
fi
PLATFORM=``uname``
`if` [ ${PLATFORM} = `"HP-UX"` ] ; then
echo `"This script does not support HP-UX platform for the time being"`
`exit` `1`
elif [ ${PLATFORM} = `"SunOS"` ] ; then
echo `"This script does not support SunOS platform for the time being"`
`exit` `1`
elif [ ${PLATFORM} = `"AIX"` ] ; then
echo `"This script does not support AIX platform for the time being"`
`exit` `1`
elif [ ${PLATFORM} = `"Linux"` ] ; then
create_html
fi
`

参考链接：

https://mp.weixin.qq.com/s/w1qQ0DHDlVmhRN8ceGS5Kg
https://blog.csdn.net/helloworld104/article/details/106819948/

本文作者：R0A1NG

原文链接：https://www.roaing.com/linux_ins.html

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未经允许不得转载：工具盒子 » linux服务器巡检命令
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