#日志相关
PROGPATH=echo $0 | sed -e \’s,[\\\\/][^\\\\/][^\\\\/]\\*$,\’
[ -f KaTeX 解析错误: 预期为\’EOF\’ 但在位置12: PROGPATH 处得到\’\’ ] PROGPATH=\’ …PROGPATH/log\’
[ -e $LOGPATH ] || mkdir
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\’
日志路径结果文件=\’
LOGPATHRESULTFILE=\’LOGPATH/HostDailyCheck-$IPADDR-日期+%Y%m%d.txt\’
#定义报表的全局变量
report_DateTime=\”\” #日期即可
report_Hostname=\”\” #主机名即可
report_OSRelease=\”\” #Release版本即可
report_Kernel=\”\” #内核正常
report_Language=\”\” #语言/编码没问题
report_LastReboot=\”\” #上次开机时间确定
report_Uptime=\”\” #执行时间(天) OK
report_CPUs=\”\” #CPU数量即可
report_CPUType=\”\” #CPU类型正常
report_Arch=\”\” #CPU架构没问题
report_MemTotal=\”\” #内存总容量(MB) ok
report_MemFree=\”\” #剩余内存(MB) ok
report_MemusedPercent=\”\” #内存使用%没问题
report_DiskTotal=\”\” #硬盘总容量(GB) ok
report_DiskFree=\”\” #硬盘剩余空间(GB) ok
report_DiskusedPercent=\”\” #硬盘使用率%没问题
report_InodeTotal=\”\” #Inode总数就可以了
report_InodeFree=\”\” #Inode 保持正常
report_InodeusedPercent=\”\” #Inode使用情况正常
report_IP=\”\” #IP地址正常
report_MAC=\”\” #MAC地址正常
report_Gateway=\”\” #默认网关即可
report_DNS=\”\” #DNS 正常
report_Listen=\”\” #请听
report_Selinux=\”\” #Selinux 好的
report_Firewall=\”\” #防火墙正常
report_USERs=\”\” #用户没问题
report_USEREmptyPassword=\”\” #空密码用户OK
report_USERTheSameUID=\”\” #相同ID的用户即可
report_PasswordExpiry=\”\” #密码过期日期(天) OK
report_RootUser=\”\” #root用户就可以
report_Sudoers=\”\” #sudo认证成功
report_SSHAuthorized=\”\” #SSH 可信主机OK
report_SSHDProtocolVersion=\”\” #SSH协议版本确定
report_SSHDPermitRootLogin=\”\” #允许root远程登录。好的
report_DefunctProcess=\”\” #僵尸进程数量就可以了
report_SelfInitiatedService=\”\” #自启动服务数量即可
report_SelfInitiatedProgram=\”\” #自启动程序数量即可
report_RuningService=\”\” #正在运行的服务数量没问题
report_Crontab=\”\” #计划任务数量就可以了
report_Syslog=\”\” #日志服务正常
report_SNMP=\”\” #SNMP 正常
report_NTP=\”\” #NTP 正常
report_JDK=\”\” #JDK版本没问题
函数版本(){
回声“”
回声“”
echo \”系统验证脚本:版本$VERSION\”
}
函数getCpuStatus(){
回声“”
回声“”
echo \”########################### CPU 检查#################
物理CPU 数量=
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(grep \’物理ID\’ /proc/cpuinfo| sort | uniq | wc -l) Virt\\_CPUs=
(grep \’physicalid\’ /proc/cpuinfosortuniqwcl)Virt_CPUs=(grep “处理器” /proc/cpuinfo | wc -l)
CPU_Kernels=$(grep “cores” /proc/cpuinfo|uniq| awk -F \’: \’ \'{print KaTeX 解析错误: 预期为\’EOF\’ 但在位置2: 2}\’ CPU\\_Type=(grep “型号名称” /proc/cpuinfo | awk -F \’: \'{print KaTeX 解析错误: 2: 2} 在位置处得到\’}\’。
echo \”物理CPU数量:\”
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Physical\\_CPUs\’ echo \’逻辑CPU数量:
Physical_CPUs\’echo\’逻辑CPU数量:Virt_CPUs\”
echo \”每个CPU :个核心
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CPU\\_Kernels\’echo\’CPU型号:
CPU_Kernels\’echo\’CPU型号:CPU_Type”
echo \’CPU架构:KaTeX解析错误: Expected \’EOF\’, got \’#\’ atposition 12: CPU\\_Arch\’ #报告信息report\\_CP…Virt_CPUs #CPU编号
report_CPUType=KaTeX 解析错误: 需要\’EOF\’,在位置11: CPU\\_Type #CPU 类型Report\\_A…CPU_Arch #CPU 架构
}
函数getMemStatus(){
回声“”
回声“”
echo \”##########################内存检查################## # # ########”
if [[ KaTeX 解析错误: 预期\’EOF\’,在位置52: 处得到\’#\’ …lse free -h fi #报告信息MemTotal=(grep MemTotal /proc/meminfo| awk \'{print KaTeX 解析错误: \’EOF\’ 预期,在位置2: 2}\’) #KB MemFree=(grep MemFree /proc/meminfo| awk \'{print KaTeX parse error: \’EOF\’预期但在位置2: 2}\’) #KB 让MemU.(awk \”BEGIN {if(KaTeX 解析错误: 预期组作为输入结尾处\’\\\’ 的参数: rintf \\\’%.2f\\\’,Memused*100/KaTeX 分析错误: 预期\’EOF\’, Got \’}\’ at location 9: MemTotal}}\’) report\\_Mem…((MemTotal/1024))\”\”MB\” #内存总容量(MB)
report_MemFree=\”KaTeX 解析错误: 预期为\’EOF\’,在位置23:ee/1024))\’MB\’ #剩余内存(MB) 报告.(awk \”BEGIN {if( KaTeX 解析错误: \’\\\’\’ 在组输入末尾: 期望作为参数.rintf \\\’%.2f\\\’,Memused*100/$MemTotal}}\”)\”\”%\” #内存使用%
}
函数getDiskStatus(){
回声“”
回声“”
echo \”########################## 磁盘检查################## # # ########”
df -hiP \’s/已安装/已安装/\’ /tmp/inode
df -hTP | 在sed 中安装在/tmp/disk 上
join /tmp/disk /tmp/inode | awk \'{print $1,$2,\”|\”,$3,$4,$5,$6,\”|\”,$8,$9,$10,$11,\”|\”,KaTeX 解析错误:预期为\’EOF\’,在位置3: 12}\’| 列-t #report.(df -TP | sed \’1d\’ | awk \’KaTeX 解析错误: \’EOF\’ 预期为\’# \’21: mpfs\'{print}\’) #KB disktotal=(echo “$diskdata” | awk \'{total+=KaTeX 解析错误: 预期\’EOF\’,获得位置在2: 处获得\’}\’ 3}END{打印总计.(echo “ $diskdata” ” | awk \'{total+=KaTeX 解析错误: 预期为\’EOF\’ 但\’} 在位置2: \’ 得到4}END{打印总计.((disktotal-diskused)) #KB
Discusedpercent=$(echo $disktotal $diskused | awk \'{if($10){printf 100}else{printf \”%.2f\”,$2*100/KaTeX 解析错误: 预期\’EOF\’ 在位置2: 我得到\’}\’与1 }}\’) inodedata=(df -iTP | sed \’1d\’ | awk \’
2
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2!=\’tmpfs\'{print}\’) inodetotal=
2!=\’tmpfs\’print\’)inodetotal=(echo “$inodedata” | awk \'{total+=KaTeX 解析错误: 预期为\’EOF\’,在位置2: 处得到\’}\’ 3}END{打印总计.(echo \”$inodedata\” ” | awk \'{total+=KaTeX 解析错误: 应为\’EOF\’,但在位置2: 处得到\’}\’ 4}END{正在打印总计. ((inodetotal-inodeused))
inodeusedpercent=$(echo $inodetotal $inodeused | awk \'{if($10){printf 100}else{printf \”%.2f\”,$2*100/KaTeX 解析错误: \’EOF\’ 预计在位置2: 我得到\’}\’在1 }}\’) 报告\\_Dis…((disktotal/
1024/1024))“GB” #硬盘总容量(GB)
report_DiskFree=KaTeX parse error: Expected \’EOF\’, got \’#\’ at position 28: …024/1024))\”GB\” #̲硬盘剩余(GB) report…diskusedpercent\”“%” #硬盘使用率%
report_InodeTotal=KaTeX parse error: Expected \’EOF\’, got \’#\’ at position 24: …otal/1000))\”K\” #̲Inode总量 report\\…((inodefree/1000))“K” #Inode剩余
report_InodeUsedPercent=“$inodeusedpercent”“%” #Inode使用率%
}
function getSystemStatus(){
echo “”
echo “”
echo “############################ 系统检查 ############################”
if [ -e /etc/sysconfig/i18n ];then
default_LANG=“$(grep “LANG=” /etc/sysconfig/i18n | grep -v “^#” | awk -F \’”’ \'{print KaTeX parse error: Expected \’EOF\’, got \’}\’ at position 2: 2}̲\’)\” else defaul…LANG
fi
export LANG=“en_US.UTF-8”
Release=
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(cat /etc/redhat-release 2>/dev/null) Kernel=
(cat/etc/redhat−release2>/dev/null)Kernel=(uname -r)
OS=
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(uname -o) Hostname=
(uname−o)Hostname=(uname -n)
SELinux=$(/usr/sbin/sestatus | grep “SELinux status: \” | awk \'{print KaTeX parse error: Expected \’EOF\’, got \’}\’ at position 2: 3}̲\’) LastReboot=(who -b | awk \'{print $3,KaTeX parse error: Expected \’EOF\’, got \’}\’ at position 2: 4}̲\’) uptime=(uptime | sed ‘s/.*up ([^,]*), .*/\\1/’)
echo \” 系统:
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发行版本:
OS\” echo \” 发行版本:
OS\”echo\”发行版本:Release”
echo \” 内核:
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Kernel\” echo \” 主机名:
Kernel\”echo\”主机名:Hostname\”
echo \” SELinux:
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语言
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SELinux\” echo \”语言/编码:
SELinux\”echo\”语言/编码:default_LANG\”
echo \” 当前时间:
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最后启动:
(date +\’%F %T\’)\” echo \” 最后启动:
(date+′echo\”最后启动:LastReboot\”
echo \” 运行时间:KaTeX parse error: Expected \’EOF\’, got \’#\’ at position 9: uptime\” #̲报表信息 report\\_Da…(date +“%F %T”) #日期
report_Hostname=“KaTeX parse error: Expected \’EOF\’, got \’#\’ at position 11: Hostname\” #̲主机名 report\\_OSR…Release” #发行版本
report_Kernel=“KaTeX parse error: Expected \’EOF\’, got \’#\’ at position 9: Kernel\” #̲内核 report\\_Lang…default_LANG” #语言/编码
report_LastReboot=“KaTeX parse error: Expected \’EOF\’, got \’#\’ at position 13: LastReboot\” #̲最近启动时间 report\\_…uptime” #运行时间(天)
report_Selinux=“
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SELinux\” export LANG=\”
SELinux\”exportLANG=\”default_LANG”
}
function getServiceStatus(){
echo “”
echo “”
echo “############################ 服务检查 ############################”
echo “”
if [[
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centosVersion > 7 ]];then conf=
centosVersion>7]];thenconf=(systemctl list-unit-files –type=service –state=enabled –no-pager | grep “enabled”)
process=KaTeX parse error: Expected \’EOF\’, got \’#\’ at position 84: …ep \”.service\”) #̲报表信息 report\\_Se…(echo \”KaTeX parse error: Expected \’EOF\’, got \’#\’ at position 17: …onf\” | wc -l)\” #̲自启动服务数量 report\\…(echo \”KaTeX parse error: Expected \’EOF\’, got \’#\’ at position 20: …ess\” | wc -l)\” #̲运行中服务数量 else co…(/sbin/chkconfig | grep -E “:on|:启用”)
process=KaTeX parse error: Expected \’EOF\’, got \’#\’ at position 70: …running|正在运行\”) #̲报表信息 report\\_Se…(echo \”KaTeX parse error: Expected \’EOF\’, got \’#\’ at position 17: …onf\” | wc -l)\” #̲自启动服务数量 report\\…(echo “KaTeX parse error: Expected \’EOF\’, got \’#\’ at position 20: …ess\” | wc -l)\” #̲运行中服务数量 fi echo…conf” | column -t
echo “”
echo “正在运行的服务”
echo “————–”
echo “$process”
}
function getAutoStartStatus(){
echo “”
echo “”
echo “############################ 自启动检查 ##########################”
conf=KaTeX parse error: Expected group after \’^\’ at position 11: (grep -v \”^̲#\” /etc/rc.d/rc…/d’)
echo “KaTeX parse error: Expected \’EOF\’, got \’#\’ at position 7: conf\” #̲报表信息 report\\_Se…(echo $conf | wc -l)” #自启动程序数量
}
function getLoginStatus(){
echo “”
echo “”
echo “############################ 登录检查 ############################”
last | head
}
function getNetworkStatus(){
echo “”
echo “”
echo “############################ 网络检查 ############################”
if [[ $centosVersion < 7 ]];then
/sbin/ifconfig -a | grep -v packets | grep -v collisions | grep -v inet6
else
#ip a
for i in $(ip link | grep BROADCAST | awk -F: ‘{print $2}’);do ip add show $i | grep -E “BROADCAST|global”| awk \'{print KaTeX parse error: Expected \’EOF\’, got \’}\’ at position 2: 2}̲\’ | tr \’\\n\’ \’ \’…(ip route | grep default | awk \'{print KaTeX parse error: Expected \’EOF\’, got \’}\’ at position 2: 3}̲\’) DNS=(grep nameserver /etc/resolv.conf| grep -v “#” | awk ‘{print KaTeX parse error: Expected \’EOF\’, got \’}\’ at position 2: 2}̲\’ | tr \’\\n\’ \’,\’…//’)
echo “”
echo “网关:
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GATEWAY \” echo \” DNS:
GATEWAY\”echo\”DNS:DNS”
#报表信息
IP=$(ip -f inet addr | grep -v 127.0.0.1 | grep inet | awk ‘{print $NF,KaTeX parse error: Expected \’EOF\’, got \’}\’ at position 2: 2}̲\’ | tr \’\\n\’ \’,\’…//’)
MAC=$(ip link | grep -v “LOOPBACK|loopback” | awk ‘{print KaTeX parse error: Expected \’EOF\’, got \’}\’ at position 2: 2}̲\’ | sed \’N;s/\\n…//’)
report_IP=\”KaTeX parse error: Expected \’EOF\’, got \’#\’ at position 5: IP\” #̲IP地址 report\\_MA…MAC #MAC地址
report_Gateway=“KaTeX parse error: Expected \’EOF\’, got \’#\’ at position 10: GATEWAY\” #̲默认网关 report\\_DN…DNS” #DNS
}
function getListenStatus(){
echo “”
echo “”
echo “############################ 监听检查 ############################”
TCPListen=
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(ss -ntul | column -t) echo \”
(ss−ntul∣column−t)echo\”TCPListen\”
#报表信息
report_Listen=“
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(echo \”
(echo\”TCPListen”| sed ‘1d’ | awk ‘/tcp/ {print $5}’ | awk -F: ‘{print $NF}’ | sort | uniq | wc -l)\”
}
function getCronStatus(){
echo “”
echo “”
echo “############################ 计划任务检查 ########################”
Crontab=0
for shell in $(grep -v “/sbin/nologin” /etc/shells);do
for user in
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(grep \”
(grep\”shell\” /etc/passwd| awk -F: ‘{print $1}’);do
crontab -l -u KaTeX parse error: Expected \’EOF\’, got \’&\’ at position 19: …r >/dev/null 2>&̲1 status=?
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status -eq 0 ];then echo \”
status−eq0];thenecho\”user\”
echo “——–”
crontab -l -u
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user let Crontab=Crontab+
userletCrontab=Crontab+(crontab -l -u KaTeX parse error: Expected \’EOF\’, got \’#\’ at position 36: …\” fi done done #̲计划任务 find /etc/…(find /etc/cron* -type f | wc -l)
#报表信息
report_Crontab=“$Crontab” #计划任务数
}
function getHowLongAgo(){
计算一个时间戳离现在有多久了
datetime=“KaTeX parse error: Undefined control sequence: \\* at position 1: \\̲*̲\” [ -z \”datetime” ] && echo \”错误的参数:getHowLongAgo() KaTeX parse error: Undefined control sequence: \\* at position 1: \\̲*̲\” Timestamp=(date +%s -d “KaTeX parse error: Expected \’EOF\’, got \’#\’ at position 12: datetime\”) #̲转化为时间戳 Now\\_Tim…(date +%s)
Difference_Timestamp=
(
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((
((Now_Timestamp-
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Timestamp)) days=0;hours=0;minutes=0; sec\\_in\\_day=
Timestamp))days=0;hours=0;minutes=0;sec_in_day=((60*60*24));
sec_in_hour=$((60*60));
sec_in_minute=60
while ((
(
(
((
((Difference_Timestamp-$sec_in_day)) > 1 ))
do
let Difference_Timestamp=Difference_Timestamp-sec_in_day
let days++
done
while ((
(
(
((
((Difference_Timestamp-
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sec\\_in\\_hour)) > 1 )) do let Difference\\_Timestamp=Difference_Timestamp-sec_in_hour let hours++ done echo \”
sec_in_hour))>1))doletDifference_Timestamp=DifferenceTimestamp−secinhourlethours++doneecho\”days 天 $hours 小时前”
}
function getUserLastLogin(){
获取用户最近一次登录的时间,含年份
很遗憾last命令不支持显示年份,只有\”last -t YYYYMMDDHHMMSS\”表示某个时间之间的登录,我
们只能用最笨的方法了,对比今天之前和今年元旦之前(或者去年之前和前年之前……)某个用户
登录次数,如果登录统计次数有变化,则说明最近一次登录是今年。
username=$1
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{username:=\”`whoami`\”} thisYear=
username:=\”‘whoami‘\”thisYear=(date +%Y)
oldesYear=$(last | tail -n1 | awk ‘{print $NF}’)
while(( $thisYear >=
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oldesYear));do loginBeforeToday=
oldesYear));dologinBeforeToday=(last $username | grep
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username | wc -l) loginBeforeNewYearsDayOfThisYear=
username∣wc−l)loginBeforeNewYearsDayOfThisYear=(last $username -t $thisYear\”0101000000\” | grep $username | wc -l)
if [ $loginBeforeToday -eq 0 ];then
echo “从未登录过”
break
elif [ $loginBeforeToday -gt
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loginBeforeNewYearsDayOfThisYear ];then lastDateTime=
loginBeforeNewYearsDayOfThisYear];thenlastDateTime=(last -i
KaTeX parse error: Expected \’}\’, got \’EOF\’ at end of input: …++)printf\”%s \”,i}\’)\”
KaTeX parse error: Expected \’EOF\’, got \’#\’ at position 11: thisYear\” #̲格式如: Sat Nov 2 …(date “+%Y-%m-%d %H:%M:%S” -d “
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lastDateTime\”) echo \”
lastDateTime\”)echo\”lastDateTime”
break
else
thisYear=$((thisYear-1))
fi
done
}
function getUserStatus(){
echo “”
echo “”
echo “############################ 用户检查 ############################”
#/etc/passwd 最后修改时间
pwdfile=\”
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(cat /etc/passwd)\” Modify=
(cat/etc/passwd)\”Modify=(stat /etc/passwd | grep Modify | tr ‘.’ ’ ’ | awk ‘{print $2,$3}’)
echo “/etc/passwd 最后修改时间:
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Modify (
Modify((getHowLongAgo $Modify))”
echo “”
echo “特权用户”
echo “——–”
RootUser=“”
for user in
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(echo \”
(echo\”pwdfile\” | awk -F: ‘{print $1}’);do
if [ $(id -u
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user) -eq 0 ];then echo \”
user)−eq0];thenecho\”user\”
RootUser=“
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RootUser,
RootUser,user”
fi
done
echo “”
echo “用户列表”
echo “——–”
USERs=0
echo “$(
echo “用户名 UID GID HOME SHELL 最后一次登录”
for shell in $(grep -v “/sbin/nologin” /etc/shells);do
for username in
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(grep \”
(grep\”shell” /etc/passwd| awk -F: ‘{print KaTeX parse error: Expected \’EOF\’, got \’}\’ at position 2: 1}̲\’);do userLastL…(getUserLastLogin
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username)\” echo \”
username)\”echo\”pwdfile\” | grep -w “
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username\” |grep -w \”
username\”∣grep−w\”shell”| awk -F: -v lastlogin=“
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(echo \”
(echo\”userLastLogin” | tr ’ ’ ‘_’)\” ‘{print $1,$3,$4,$6,KaTeX parse error: Expected \’EOF\’, got \’}\’ at position 12: 7,lastlogin}̲\’ done let USER…(echo “
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done
)\” | column -t
echo “”
echo “空密码用户”
echo “———-”
USEREmptyPassword=“”
for shell in $(grep -v “/sbin/nologin” /etc/shells);do
for user in
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shell\” | cut -d: -f1);do r=
shell\”∣cut−d:−f1);dor=(awk -F: \’$2==”!!\”{print $1}’ /etc/shadow | grep -w $user)
if [ ! -z $r ];then
echo
r
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\”
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rUSEREmptyPassword=\”USEREmptyPassword,“
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相同
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−
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r fi done done echo \”\” echo \”相同ID的用户\” echo \”————\” USERTheSameUID=\”\” UIDs=
rfidonedoneecho\”\”echo\”相同ID的用户\”echo\”−−−−−−−−−−−−\”USERTheSameUID=\”\”UIDs=(cut -d: -f3 /etc/passwd | sort | uniq -c | awk ‘$1>1{print $2}’)
for uid in
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UIDs;do echo -n \”
UIDs;doecho−n\”uid”;
USERTheSameUID=“
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uid\” r=
uid\”r=(awk -F: \’ORS=”“;
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3==\’\”
3==′\”uid”’{print “:”,KaTeX parse error: Expected \’EOF\’, got \’}\’ at position 2: 1}̲\’ /etc/passwd) …r\”
echo “”
USERTheSameUID=“$USERTheSameUID KaTeX parse error: Expected \’EOF\’, got \’#\’ at position 10: r,\” done #̲报表信息 report\\_US…USERs” #用户
report_USEREmptyPassword=$(echo
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USEREmptyPassword | sed \’s/^,//\’) report\\_USERTheSameUID=
USEREmptyPassword∣sed′s/,//′)report_USERTheSameUID=(echo
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USERTheSameUID | sed \’s/,
USERTheSameUID∣sed′s/,//\’)
report_RootUser=$(echo $RootUser | sed ‘s/^,//’) #特权用户
}
function getPasswordStatus {
echo “”
echo “”
echo “############################ 密码检查 ############################”
pwdfile=“$(cat /etc/passwd)”
echo “”
echo “密码过期检查”
echo “————”
result=“”
for shell in $(grep -v “/sbin/nologin” /etc/shells);do
for user in
(
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\”
(echo \”
(echo\”pwdfile\” | grep \”
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=
shell\” | cut -d: -f1);do get\\_expiry\\_date=
shell\”∣cut−d:−f1);doget_expiry_date=(/usr/bin/chage -l $user | grep ‘Password expires’ | cut -d: -f2)
if [[ $get_expiry_date = ’ never’ || $get_expiry_date = ‘never’ ]];then
printf “%-15s 永不过期\\n”
u
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\”
user result=\”
userresult=\”result,
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user:never\” else password\\_expiry\\_date=
user:never\”elsepassword_expiry_date=(date -d “
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=
get\\_expiry\\_date\” \”+%s\”) current\\_date=
get_expiry_date\”\”+current_date=(date “+%s”)
diff=
(
(
((
((password_expiry_date-
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=
current\\_date)) let DAYS=
current_date))letDAYS=(($diff/(60*60*24)))
printf “%-15s %s天后过期\\n” $user
D
A
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s
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t
=
\”
DAYS result=\”
DAYSresult=\”result,
u
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e
r
:
user:
user:DAYS days”
fi
done
done
report_PasswordExpiry=$(echo $result | sed ‘s/^,//’)
echo “”
echo “密码策略检查”
echo “————”
grep -v “#” /etc/login.defs | grep -E “PASS_MAX_DAYS|PASS_MIN_DAYS|PASS_MIN_LEN|PASS_WARN_AGE”
}
function getSudoersStatus(){
echo “”
echo “”
echo “############################ Sudoers检查 #########################”
conf=KaTeX parse error: Expected group after \’^\’ at position 11: (grep -v \”^̲#\” /etc/sudoers…/d’)
echo “KaTeX parse error: Expected \’EOF\’, got \’#\’ at position 15: conf\” echo \”\” #̲报表信息 report\\_Su…(echo $conf | wc -l)”
}
function getInstalledStatus(){
echo “”
echo “”
echo “############################ 软件检查 ############################”
rpm -qa –last | head | column -t
}
function getProcessStatus(){
echo “”
echo “”
echo “############################ 进程检查 ############################”
if [ $(ps -ef | grep defunct | grep -v grep | wc -l) -ge 1 ];then
echo “”
echo “僵尸进程”;
echo “——–”
ps -ef | head -n1
ps -ef | grep defunct | grep -v grep
fi
echo “”
echo “内存占用TOP10”
echo “————-”
echo -e “PID %MEM RSS COMMAND
$(ps aux | awk \'{print $2, $4, $6, KaTeX parse error: Expected \’EOF\’, got \’}\’ at position 3: 11}̲\’ | sort -k3rn …(ps -ef | grep defunct | grep -v grep|wc -l)”
}
function getJDKStatus(){
echo “”
echo “”
echo “############################ JDK检查 #############################”
java -version 2>/dev/null
if [ KaTeX parse error: Expected \’EOF\’, got \’&\’ at position 32: …ava -version 2>&̲1 fi echo \”JAVA…JAVA_HOME\”\”
#报表信息
report_JDK=“$(java -version 2>&1 | grep version | awk \'{print $1,KaTeX parse error: Expected \’EOF\’, got \’}\’ at position 2: 3}̲\’ | tr -d \’\”\’)\”…(getState rsyslog)”
echo “”
echo “/etc/rsyslog.conf”
echo “—————–”
cat /etc/rsyslog.conf 2>/dev/null | grep -v “^#” | grep -v “^\\KaTeX parse error: Expected group after \’^\’ at position 11: \” | sed \’/^̲/d’ | column -t
#报表信息
report_Syslog=”$(getState rsyslog)\”
}
function getFirewallStatus(){
echo “”
echo “”
echo “############################ 防火墙检查 ##########################”
#防火墙状态,策略等
if [[ KaTeX parse error: Expected \’EOF\’, got \’&\’ at position 68: …s >/dev/null 2>&̲1 status=?
if [ $status -eq 0 ];then
s=“active”
elif [ $status -eq 3 ];then
s=“inactive”
elif [
s
t
a
t
u
s
−
e
q
4
]
;
t
h
e
n
s
=
\”
p
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m
i
s
s
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n
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d
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s
=
\”
u
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\”
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e
s
=
\”
status -eq 4 ];then s=\”permission denied\” else s=\”unknown\” fi else s=\”
status−eq4];thens=\”permissiondenied\”elses=\”unknown\”fielses=\”(getState iptables)\”
fi
echo “iptables: KaTeX parse error: Expected \’EOF\’, got \’#\’ at position 114: …es 2>/dev/null #̲报表信息 report\\_Fi…s”
}
function getSNMPStatus(){
#SNMP服务状态,配置等
echo “”
echo “”
echo “############################ SNMP检查 ############################”
status=“
(
g
e
t
S
t
a
t
e
s
n
m
p
d
)
\”
e
c
h
o
\”
服务状态:
(getState snmpd)\” echo \”服务状态:
(getStatesnmpd)\”echo\”服务状态:status”
echo “”
if [ -e /etc/snmp/snmpd.conf ];then
echo “/etc/snmp/snmpd.conf”
echo “——————–”
cat /etc/snmp/snmpd.conf 2>/dev/null | grep -v “^#” | sed \’/^KaTeX parse error: Expected \’EOF\’, got \’#\’ at position 8: /d\’ fi #̲报表信息 report\\_SN…(getState snmpd)\”
}
function getState(){
if [[ $centosVersion < 7 ]];then
if [ -e “/etc/init.d/$1” ];then
if [ /etc/init.d/$1 status 2>/dev/null | grep -E \”is running|正在运行\” | wc -l -ge 1 ];then
r=“active”
else
r=“inactive”
fi
else
r=“unknown”
fi
else
#CentOS 7+
r=“$(systemctl is-active KaTeX parse error: Expected \’EOF\’, got \’&\’ at position 5: 1 2>&̲1)\” fi echo \”r”
}
function getSSHStatus(){
#SSHD服务状态,配置,受信任主机等
echo “”
echo “”
echo “############################ SSH检查 #############################”
#检查受信任主机
pwdfile=“
(
c
a
t
/
e
t
c
/
p
a
s
s
w
d
)
\”
e
c
h
o
\”
服务状态:
(cat /etc/passwd)\” echo \”服务状态:
(cat/etc/passwd)\”echo\”服务状态:(getState sshd)”
Protocol_Version=$(cat /etc/ssh/sshd_config | grep Protocol | awk \'{print KaTeX parse error: Expected \’EOF\’, got \’}\’ at position 2: 2}̲\’) echo \”SSH协议版…Protocol_Version\”
echo “”
echo “信任主机”
echo “——–”
authorized=0
for user in
(
e
c
h
o
\”
(echo \”
(echo\”pwdfile\” | grep /bin/bash | awk -F: \'{print KaTeX parse error: Expected \’EOF\’, got \’}\’ at position 2: 1}̲\’);do authorize…(echo “$pwdfile” | grep -w $user | awk -F: \'{printf KaTeX parse error: Expected \’EOF\’, got \’}\’ at position 26: …thorized\\_keys\”}̲\’) authorized\\_…(cat $authorize_file 2>/dev/null | awk ‘{print KaTeX parse error: Expected \’EOF\’, got \’}\’ at position 2: 3}̲\’ | tr \’\\n\’ \’,\’…//’)
if [ ! -z
a
u
t
h
o
r
i
z
e
d
_
h
o
s
t
]
;
t
h
e
n
e
c
h
o
\”
authorized\\_host ];then echo \”
authorized_host];thenecho\”user 授权 \”KaTeX parse error: Expected group as argument to \’\\\”\’ at position 19: …horized\\_host\\\” ̲无密码访问\” fi let a…(cat $authorize_file 2>/dev/null | awk ‘{print $3}’|wc -l)
done
echo “”
echo “是否允许ROOT远程登录”
echo “——————–”
config=
(
c
a
t
/
e
t
c
/
s
s
h
/
s
s
h
d
_
c
o
n
f
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g
∣
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o
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)
f
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r
s
t
C
h
a
r
=
(cat /etc/ssh/sshd\\_config | grep PermitRootLogin) firstChar=
(cat/etc/ssh/sshd_config∣grepPermitRootLogin)firstChar={config:0:1}
if [ KaTeX parse error: Expected \’EOF\’, got \’#\’ at position 15: firstChar == \”#̲\” ];then Permit…(echo $config | awk ‘{print $2}’)
fi
echo “PermitRootLogin $PermitRootLogin”
echo “”
echo “/etc/ssh/sshd_config”
echo “——————–”
cat /etc/ssh/sshd_config | grep -v “^#” | sed ‘/^$/d’
#报表信息
report_SSHAuthorized=“KaTeX parse error: Expected \’EOF\’, got \’#\’ at position 13: authorized\” #̲SSH信任主机 report\\…Protocol_Version” #SSH协议版本
report_SSHDPermitRootLogin=“KaTeX parse error: Expected \’EOF\’, got \’#\’ at position 18: …rmitRootLogin\” #̲允许root远程登录 } fu…(getState ntpd)”
echo “”
echo “/etc/ntp.conf”
echo “————-”
cat /etc/ntp.conf 2>/dev/null | grep -v “^#” | sed \’/^KaTeX parse error: Expected \’EOF\’, got \’#\’ at position 8: /d\’ fi #̲报表信息 report\\_NT…(getState ntpd)\”
}
function uploadHostDailyCheckReport(){
json=\”{
“DateTime”:“KaTeX parse error: Expected group as argument to \’\\\”\’ at end of input: …\\\”Hostname\\\”:\\\”report_Hostname”,
“OSRelease”:“KaTeX parse error: Expected group as argument to \’\\\”\’ at end of input: …, \\\”Kernel\\\”:\\\”report_Kernel”,
“Language”:“KaTeX parse error: Expected group as argument to \’\\\”\’ at end of input: …LastReboot\\\”:\\\”report_LastReboot”,
“Uptime”:“KaTeX parse error: Expected group as argument to \’\\\”\’ at end of input: …\\\”, \\\”CPUs\\\”:\\\”report_CPUs”,
“CPUType”:“KaTeX parse error: Expected group as argument to \’\\\”\’ at end of input: …\\\”, \\\”Arch\\\”:\\\”report_Arch”,
“MemTotal”:“KaTeX parse error: Expected group as argument to \’\\\”\’ at end of input: … \\\”MemFree\\\”:\\\”report_MemFree”,
为了做好运维面试路上的助攻手,特整理了上百道 【运维技术栈面试题集锦】 ,让你面试不慌心不跳,高薪offer怀里抱!
这次整理的面试题,小到shell、MySQL,大到K8s等云原生技术栈,不仅适合运维新人入行面试需要,还适用于想提升进阶跳槽加薪的运维朋友。
本份面试集锦涵盖了
174 道运维工程师面试题128道k8s面试题108道shell脚本面试题200道Linux面试题51道docker面试题35道Jenkis面试题78道MongoDB面试题17道ansible面试题60道dubbo面试题53道kafka面试18道mysql面试题40道nginx面试题77道redis面试题28道zookeeper
总计 1000+ 道面试题, 内容 又全含金量又高
174道运维工程师面试题
1、什么是运维?
2、在工作中,运维人员经常需要跟运营人员打交道,请问运营人员是做什么工作的?
3、现在给你三百台服务器,你怎么对他们进行管理?
4、简述raid0 raid1raid5二种工作模式的工作原理及特点
5、LVS、Nginx、HAproxy有什么区别?工作中你怎么选择?
6、Squid、Varinsh和Nginx有什么区别,工作中你怎么选择?
7、Tomcat和Resin有什么区别,工作中你怎么选择?
8、什么是中间件?什么是jdk?
9、讲述一下Tomcat8005、8009、8080三个端口的含义?
10、什么叫CDN?
11、什么叫网站灰度发布?
12、简述DNS进行域名解析的过程?
13、RabbitMQ是什么东西?
14、讲一下Keepalived的工作原理?
15、讲述一下LVS三种模式的工作过程?
16、mysql的innodb如何定位锁问题,mysql如何减少主从复制延迟?
17道ansible面试题**
60道dubbo面试题53道kafka面试18道mysql面试题40道nginx面试题77道redis面试题28道zookeeper
总计 1000+ 道面试题, 内容 又全含金量又高
174道运维工程师面试题
1、什么是运维?
2、在工作中,运维人员经常需要跟运营人员打交道,请问运营人员是做什么工作的?
3、现在给你三百台服务器,你怎么对他们进行管理?
4、简述raid0 raid1raid5二种工作模式的工作原理及特点
5、LVS、Nginx、HAproxy有什么区别?工作中你怎么选择?
6、Squid、Varinsh和Nginx有什么区别,工作中你怎么选择?
7、Tomcat和Resin有什么区别,工作中你怎么选择?
8、什么是中间件?什么是jdk?
9、讲述一下Tomcat8005、8009、8080三个端口的含义?
10、什么叫CDN?
11、什么叫网站灰度发布?
12、简述DNS进行域名解析的过程?
13、RabbitMQ是什么东西?
14、讲一下Keepalived的工作原理?
15、讲述一下LVS三种模式的工作过程?
16、mysql的innodb如何定位锁问题,mysql如何减少主从复制延迟?
17、如何重置mysql root密码?
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