shell脚本

md5.sh

#!/bin/bash

function showHelp()
{
    echo "Usage: md5.sh [OPTION] ..."
    echo "         -create          create md5 sums to L.MD5.CHECK"
    echo "         -check           read MD5 sums from FILEs and check them"
}

function createMD5()
{
    if [ -f ./$md5_file_name ]; then
        echo -e "md5 file already exist: $md5_file_name
"
        exit 1
    fi
    
    md5sum `find ./ -type f` > $md5_file_name
    echo "$md5_file_name CREATED SUCCESS"
}

function checkMD5()
{
    echo "CHECK FILE BEGIN..."
    md5sum -c --quiet $md5_file_name
    echo "CHECK FILE END."
}

# ----------------------------------------------------------------------------

echo -e "
"

md5_file_name=L.MD5.CHECK

case $1 in
    "-cr" | "-create" )
        createMD5
        ;;
    "-c" | "-ch" | "-check" )
        checkMD5
        ;;
    * )
        showHelp
        ;;
esac

echo -e "
"

tomcat重启

check.sh

#!/bin/bash
shell_home=$(cd `dirname $0`;pwd)
shell_name=`basename $0`
shell=${shell_home}/${shell_name}
function print() {
    echo -e "e[36;1m  $1$(tput sgr0)"
}
print "
begin ${shell_name}"
# --------------------------------------------------------------------

app_home=${TOMCAT_HOME}
count=$(jps -lvm | grep ${app_home} | wc -l)
jps -lvm | grep --color ${app_home}

# --------------------------------------------------------------------
print "end ${shell}! count=${count}
"
exit ${count}

start.sh

#!/bin/bash
shell_home=$(cd `dirname $0`;pwd)
shell_name=`basename $0`
shell=${shell_home}/${shell_name}
function print() {
    echo -e "e[36;1m  $1$(tput sgr0)"
}
print "
begin ${shell_name}"
# --------------------------------------------------------------------
export JAVA_OPTS="-server -Xms800m -Xmx800m"
export JPDA_ADDRESS=7878
# export JPDA_SUSPEND=y
# --------------------------------------------------------------------

app_home=${TOMCAT_HOME}
app_log=${app_home}/logs/catalina.out

print "rm -rf ${app_home}/work/*"
rm -rf ${app_home}/work/*
print "rm -rf ${app_home}/temp/*"
rm -rf ${app_home}/temp/*

echo -e "
  `date "+%F %H:%M:%S"` start  ---> bash ${app_home}/bin/catalina.sh jpda start <--- 
" >> ${app_log}
print "bash ${app_home}/bin/catalina.sh jpda start"
bash ${app_home}/bin/catalina.sh jpda start

print "tail -10f ${app_log}"
tail -10f ${app_log}

# --------------------------------------------------------------------
print "end ${shell}
"

kill.sh

#!/bin/bash
shell_home=$(cd `dirname $0`;pwd)
shell_name=`basename $0`
shell=${shell_home}/${shell_name}
function print() {
    echo -e "e[36;1m  $1$(tput sgr0)"
}
print "
begin ${shell_name}"
# --------------------------------------------------------------------
export JAVA_OPTS="-server -Xms800m -Xmx800m"
export JPDA_ADDRESS=7878
# export JPDA_SUSPEND=y
# --------------------------------------------------------------------

app_home=${TOMCAT_HOME}
app_log=${app_home}/logs/catalina.out

echo -e "
  `date "+%F %H:%M:%S"` stop  ---> jps -lvm | grep ${app_home} | awk 'print $1' | xargs -I {} kill -9 {} <--- 
" >> ${app_log}
print "jps -lvm | grep ${app_home} | awk '{print $1}' | xargs -I {} kill -9 {}"
jps -lvm | grep ${app_home} | awk '{print $1}' | xargs -I {} kill -9 {}

# --------------------------------------------------------------------
print "end ${shell}
"

restart.sh

#!/bin/bash
shell_home=$(cd `dirname $0`;pwd)
shell_name=`basename $0`
shell=${shell_home}/${shell_name}
function print() {
    echo -e "e[36;1m  $1$(tput sgr0)"
}
print "
begin ${shell_name}"
# --------------------------------------------------------------------

bash ${shell_home}/check.sh
bash ${shell_home}/kill.sh
bash ${shell_home}/start.sh

# --------------------------------------------------------------------
print "end ${shell}
"

查看系统运行状态信息

#!/bin/bash

    clear
    echo -e 

    # 显示颜色
    reset_terminal=$(tput sgr0)
    colour='e[1;32m'
    
    # vmstat系统资源刷新次数
    vmstat_refresh_time=3
    
    # 测试网络状态时，ping的IP或地址
    ping_url=baidu.com
    
    # tomcat根目录，用于获取PID
    tomcat_home="/home/chencye/tomcat/apache-tomcat-8.5.9"
    # 查看tomcat版本的tomcat自带脚本
    tomcat_version_shell=$tomcat_home"/bin/version.sh"
    # tomcat的http端口，用于统计并发连接数
    tomcat_port=8080
    # app的链接，用于测试tomcat是否正常
    tomcat_url=http://192.168.1.104:8080
    # 查看tomcat的GC情况，刷新次数
    tomcat_gc_refresh_time=5
    
# 系统信息-------------------------------------------------------
    # 系统与内核相关信息  
    system_uname=$(uname -a)
    echo -e $colour " 系统与内核(uname -a)：" $reset_terminal $system_uname
    
    # 当前Linux系统的发行版本
    os_name=$(cat /etc/issue | sed 's/\//g')
    echo -e $colour " 当前Linux系统的发行版本(/etc/issue)：" $reset_terminal $os_name
    echo -e 
    
    # 系统资源
    echo -e $colour " 系统资源(vmstat 1 $vmstat_refresh_time)：" $reset_terminal
    vmstat 1 $vmstat_refresh_time
    echo -e 
    
    # 当前登录用户
    # echo -e $colour " 当前登录用户：" $reset_terminal
    # who
    
# 磁盘-------------------------------------------------------

    # 磁盘使用量
    diskavege=$(df -P | grep -vE 'Filesystem|tmpfs|文件系统' | awk '{print $1 " " $5 ",	" }')
    echo -e $colour " 磁盘使用量(df -P)：" $reset_terminal $diskavege
    # 磁盘IO
    echo -e $colour " 磁盘IO情况(iostat)：" $reset_terminal
    iostat
    echo -e 
    
# 内存-------------------------------------------------------

    mem_usages=( $(awk '
        /MemTotal/ { total = $2 }
        /MemFree/ { free = $2 }
        /^Cached/ { cached = $2 }
        /Buffers/ { buffers = $2 }
        END {
            allUsage = total - free;
            appUsage = allUsage - (cached + buffers);
            
            total = total / 1024;
            total_s = total < 1024 ? (total)"M" : (total / 1024)"G";
            
            allUsage = allUsage / 1024;
            allUsage_s = allUsage < 1024 ? (allUsage)"M" : (allUsage / 1024)"G";
            
            appUsage = appUsage / 1024;
            appUsage_s = appUsage < 1024 ? (appUsage)"M" : (appUsage / 1024)"G";

            print total_s;
            print allUsage_s;
            
            all_percent = (allUsage / total) * 100;
            print all_percent"%";
            
            print appUsage_s;
            
            app_percent = (appUsage / total) * 100;
            print app_percent"%";
        }
        ' /proc/meminfo
    ))
    echo -e $colour " 总内存(/proc/meminfo)：" $reset_terminal ${mem_usages[0]}
    echo -e $colour " 总使用内存, 总使用占比：" $reset_terminal ${mem_usages[1]}", "${mem_usages[2]}
    echo -e $colour " 应用使用内存, 应用使用占比：" $reset_terminal ${mem_usages[3]}", "${mem_usages[4]} "	(减去Cached与Buffers)"
    echo -e 
    
# 负载-------------------------------------------------------
    loadaverge=$(uptime)
    echo -e $colour " 平均负载（uptime）：" $reset_terminal $loadaverge
    echo -e 

# 网络-------------------------------------------------------
    # 内网IP
    # internalip=$(hostname -I)
    # echo -e $colour " 内网IP：" $reset_terminal $internalip
    
    # 公网IP
    # externnalip=$(curl -s http://ipecho.net/plain)
    # echo -e $colour " 公网IP：" $reset_terminal $externnalip
    
    # DNS
    # nameservers=$( cat /etc/resolv.conf | grep -E "<nameserver[ ]+" | awk '{print $NF}' )
    # echo -e $colour " DNS：" $reset_terminal $nameservers
    
    # 判断网络是否通畅 （公网IP）
    netstatus=$(ping -c 2 $ping_url &> /dev/null && echo " 通畅 " || echo " ping不通 ")
    echo -e $colour " 网络状态(ping $ping_url)： " $reset_terminal $netstatus
    echo -e 
    
    # 网络连接状态统计
    echo -e $colour " 网络连接状态统计(netstat -n)：" $reset_terminal 
    netstat -n | awk '
    BEGIN { print "连接状态	连接数" }
    /^tcp/ { ++states[$NF] }
    END {
        for (key in states) {
            print key, "	", states[key];
        } 
    }
    '
    echo -e 

# tomcat-------------------------------------------------------
    # 获取tomcat的PID
    tomcat_pid=$(jps -lvm | grep $tomcat_home | awk '{print $1}')
    
    # tomcat并发连接数
    tomcatLinkNumber=$(netstat -na | grep ESTAB | grep $tomcat_port | wc -l)
    echo -e $colour " tomcat并发连接数：" $reset_terminal $tomcatLinkNumber
    echo -e 
    
    # tomcat是否通畅
    tomcat_status_code=$(curl -m 5 -s -w %{http_code} $tomcat_url -o /dev/null)
    echo -e $colour " tomcat链接($tomcat_url)返回码：" $reset_terminal $tomcat_status_code
    echo -e 
    
    # tomcat版本信息
    echo -e $colour " tomcat版本信息($tomcat_version_shell)：" $reset_terminal
    sh $tomcat_version_shell
    echo -e 
    
    # tomcat对应的jvm信息
    echo -e $colour " tomcat对应的jvm信息(jinfo $tomcat_pid)：" $reset_terminal
    jinfo $tomcat_pid &> /tmp/$tomcat_pid".jinfo"
    
    jvminfos="java.version|java.vendor|java.vm.version|java.vm.vendor|java.vm.name|java.runtime.version|java.class.version|java.io.tmpdir|user.dir|user.name|user.home|user.language|file.encoding|catalina.home|catalina.base|VMsflags|Commandsline"
    grep -Pi $jvminfos /tmp/$tomcat_pid".jinfo"
    echo -e 
    
    rm -f /tmp/$tomcat_pid".jinfo"
    
    # tomcat的GC情况
    echo -e $colour " tomcat的GC情况(jstat -gc $tomcat_pid 1000 $tomcat_gc_refresh_time)：" $reset_terminal
    jstat -gc $tomcat_pid 1000 $tomcat_gc_refresh_time
    echo -e