文章最后更新时间为：2022 年 04 月 18 日 12:20:07 Loading... ### 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 网络配置信息 ``` ifconfig -a ``` 查看网络连接情况 ``` ping www.baidu.com ``` ### 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 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 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 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 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 "${disk}" `cat /sys/block/${disk}/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/tmp_crontab_`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/tmp_crontab_`date +%y%m%d`.txt fi } get_crontab_content(){ crontab_content_log=/tmp/tmp_crontab_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 $count 内容开始 #######################################" >>/tmp/tmp_crontab_shellcontent_`date +%y%m%d`.txt cat `sed -n -e "${count}p" $crontab_content_log` >>/tmp/tmp_crontab_shellcontent_`date +%y%m%d`.txt echo -e "\n####################################### 获取系统定时任务脚本 $count 内容结束 #######################################\n" >>/tmp/tmp_crontab_shellcontent_`date +%y%m%d`.txt count=$[${count}+1] done else echo '#### 无定时执行脚本 ####' >>/tmp/tmp_crontab_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 >> $file_output get_physics >>/tmp/tmpos_summ_`date +%y%m%d`.txt while read line do create_tr1 "$line" done < /tmp/tmpos_summ_`date +%y%m%d`.txt create_table_end >> $file_output create_html_head "cpu信息" >> $file_output create_table_head1 >> $file_output get_cpuinfo >>/tmp/tmp_cpuinfo_`date +%y%m%d`.txt while read line do create_tr1 "$line" done < /tmp/tmp_cpuinfo_`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/tmpnet_h1_`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 >> $file_output get_connections >>/tmp/tmp_connections_`date +%y%m%d`.txt while read line do create_tr1 "$line" done < /tmp/tmp_connections_`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/tmpdisk_h1_`date +%y%m%d`.txt while read line do create_tr1 "$line" done < /tmp/tmpdisk_t1_`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/ Last modification：April 18, 2022 © Allow specification reprint Support Appreciate the author Like 6 如果觉得我的文章对你有用，请随意赞赏
One comment
试了一下，还挺不错！