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[分享]一个检测操作系统基础配置的shell脚本for solaris&redhat [复制链接]

yuhuohu

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发表于 2009-12-04 08:34 |只看该作者 |倒序浏览

系统装多了难免会出现各种人为失误或遗漏，比如

主机名和/etc/hosts文件中的配置不一致
忘记在/etc/hosts给主机加别名
漏配了缺省网关
把网卡地址敲成网关地址
ntp-sever或client没配置

特别是一次在调整18台rhel 5.1 x64的地址段时上直接把某台网卡地址配成网关，更不幸的是折腾了2天才找出来。。。

含恨之下花了2天写了个脚本专门检测这种低级失误，水平有限，欢迎各位继续建议优化挑错。

两个文件，check_configure.conf是配置文件，check_configure.sh是可执行脚本

检测结果有四种：

OK 通过
FALSE 失败，表示没有该项配置
WARNNING 警告，表示该项配置不太规范，可能存在潜在的问题，但通常情况下是可以正常工作的，可视情况忽视或改正
ERROR 错误，表示该配置需要进行修正

redhat 5.1,solaris 10上运行通过，执行演示：

暂时只检测上述5项，大家可帮忙补充还有哪些经常出现的低级失误，在后续版本中可一并加上

bash-3.00# ./check_configure.sh
Usage: ./check_configure.sh {redhat|solaris} [interval-time]
      interval-time's default value is 1,means 1 second.
      for example:./check_configure.sh solaris 0 ,0 means no stop.

bash-3.00# ./check_configure.sh solaris

1.Checking hostname <--> /etc/hosts                                           OK

2.Checking hostname_alias                                                    OK
      34.29.79.132  db01    db01.com loghost

3.Checking default_router configuration
      34.29.79.129                                                          OK

4.Checking default_router <--> NIC's ip_address                               OK
4.Checking default_router <--> NIC's ip_address                               OK
4.Checking default_router <--> NIC's ip_address                               OK
4.Checking default_router <--> NIC's ip_address                               OK

5.Checking ntp_server configuration                                           OK
      /*--- running 'svcs ntp' ---*/
STATE       STIME FMRI
online       Aug_03 svc:/network/ntp:default
      /*--- running 'ntpq -p ---*/
   remote          refid    st t when poll reach delay offset disp
==============================================================================
*34.128.34.7 32.129.24.6    5 u  368 1024  377    1.56 -0.097 0.15
+34.129.79.141  34.128.34.7    6 u  239 1024  377    0.93 -0.127 0.12
bash-3.00#

脚本代码下载：

check.tar (8.5 KB, 下载次数: 173)

脚本代码展示，欢迎各路板砖

# cat check_configure.conf
#========================================================
#定义各种配置文件
#========================================================
if [ "$1" = "redhat" ];then
#主机名配置文件
#NAME_FILE=/etc/sysconfig/network
#主机名-ip地址映射文件
HOST_FILE=/etc/hosts
#缺省网关配置文件
GW_FILE=/etc/sysconfig/network
#网卡的配置文件
NIC_FILE_HEAD=/etc/sysconfig/network-scripts/ifcfg-
elif [ "$1" = "solaris" ];then
#主机名配置文件
#NAME_FILE=/etc/nodename
#主机名-ip地址映射文件
HOST_FILE=/etc/hosts
#缺省网关配置文件
GW_FILE=/etc/defaultrouter
#网卡的配置文件
NIC_FILE_HEAD=/etc/hostname.
fi
#========================================================
#初始化变量
#检测项的间隔时间,这个可以改
interval_time=1
#以下没事就不要改
gateway_configure=0
gateway_num=0
check_item_counts=0

复制代码

# cat check_configure.sh
#!/bin/bash
###############################################################################
#initial some variable
###############################################################################
. ./check_configure.conf $1
###############################################################################
#usage
###############################################################################
if [ $# = 0 ];then
echo $"Usage: $0 {redhat|solaris} [interval-time]"
echo " interval-time's default value is $interval_time,means $interval_time second."
exit 1
elif [ -n "$2" ];then
interval_time=$2
fi
###############################################################################
#01. Checking hostname <--> $HOST_FILE 查主机名和/etc/hosts中是否一致
###############################################################################
echo
((check_item_counts++))
Check_hostname_result=`grep $HOSTNAME $HOST_FILE|grep -v ^#|wc -l`
if [ $Check_hostname_result = 0 ];then
echo $check_item_counts".Checking hostname <--> $HOST_FILE ERROR"
echo " -->Please Check $GW_FILE & $HOST_FILE file."
else
echo $check_item_counts".Checking hostname <--> $HOST_FILE OK"
fi
###############################################################################
#02. Checking hostname's alias name
###############################################################################
echo
sleep $interval_time
((check_item_counts++))
hostname_alias=`grep $HOSTNAME $HOST_FILE|awk '{print $3}'`
if [ "$hostname_alias" = "" ]; then
echo $check_item_counts".Checking hostname_alias WARNNING"
echo " Advice:'vi $HOST_FILE' and change the follow line"
echo " `grep -v ^# $HOST_FILE|grep $HOSTNAME $HOST_FILE`"
echo " to follow line:"
echo " 'grep -v ^# $HOST_FILE|grep $HOSTNAME $HOST_FILE' $HOSTNAME.com"
else
echo $check_item_counts".Checking hostname_alias OK"
echo " `grep -v ^# $HOST_FILE|grep $HOSTNAME $HOST_FILE`"
fi
###############################################################################
#03. Check default_router，查缺省网关是否配置
###############################################################################
echo
sleep $interval_time
((check_item_counts++))
echo $check_item_counts".Checking default_router configuration"
case "$1" in
"redhat")
GATEWAY=`grep ^GATEWAY $GW_FILE 2>/dev/null|awk -F "=" '{print $2}'`
Check_nic_list=`ifconfig |grep -1 "inet addr"|grep HWaddr|awk '{print $1}'`
for i in $Check_nic_list
do
nic_configure_file=$NIC_FILE_HEAD$i
Check_nic_result=`grep ^GATEWAY $nic_configure_file|wc -l`
if [ $Check_nic_result = 1 ];then
echo " Check '$nic_configure_file' WARNNING"
echo " -->Please remove the entry '`grep ^GATEWAY $nic_configure_file`' from"
echo " -->'$nic_configure_file' to '$GW_FILE'"
gateway_configure=1
((gateway_num++))
fi
done
if [ $gateway_num -gt 1 ];then
echo " This OS has $gateway_num GATEWAYs,plz using 'route add' to add static route"
fi
if [ $gateway_configure = 0 ];then
Check_gateway_result=`grep ^GATEWAY $GW_FILE|wc -l`
if [ $Check_gateway_result = 0 ];then
echo " Check configuration of$GW_FILE FALSE"
echo " -->Please add 'GATEWAY=a.c.b.c' to '$GW_FILE'"
else
echo " Check configuration of $GW_FILE OK"
fi
fi
;;
"solaris")
if [ -f $GW_FILE ];then
GATEWAY=`cat $GW_FILE`
echo " $GATEWAY OK"
else
echo " $GW_FILE has not existed FALSE"
fi
;;
esac
###############################################################################
#04. Check default_router <--> NIC's ip_address 查网关和网卡地址是否冲突
###############################################################################
echo
sleep $interval_time
((check_item_counts++))
Check_ip_list=`ifconfig -a|grep "inet"|awk '{print $2}'|grep -v '127.0.0.1'|sed 's/addr://g'`
for i in $Check_ip_list
do
if [ "$GATEWAY" = "$i" ];then
echo $check_item_counts".Checking default_router <--> NIC's ip_address ERROR"
echo " -->GATEWAY's ip $GATEWAY can not been same as NIC's ip address"
else
echo $check_item_counts".Checking default_router <--> NIC's ip_address OK"
fi
done
###############################################################################
#05. Check ntp
###############################################################################
echo
sleep $interval_time
((check_item_counts++))
Check_ntp_client=`crontab -l|grep -v ^#|grep ntpdate|wc -l`
Check_ntp_server=`ntpq -p 2>/dev/null|wc -l`
if [[ $Check_ntp_client = 0 && $Check_ntp_server = 0 ]];then
echo $check_item_counts".Checking ntp configuration FALSE"
echo " -->Two selection:"
echo " -->a) 'crontab -e' and insert '0 12 * * * /usr/sbin/ntpdate 134.128.34.7'"
echo " -->b) 'vi /etc/ntp.conf' and 'chkconfig ntpd on' and 'service ntpd start'"
else
if [ $Check_ntp_client = 1 ];then
echo $check_item_counts".Checking ntp_client configuration OK"
echo " `crontab -l|grep -v ^#|grep ntpdate`"
else
echo $check_item_counts".Checking ntp_server configuration OK"
case "$1" in
redhat)
echo " /*--- running 'service ntpd status' ---*/"
service ntpd status
echo " running 'ntpq -p ---*/"
ntpq -p
;;
solaris)
echo " /*--- running 'svcs ntp' ---*/"
svcs ntp
echo " /*--- running 'ntpq -p ---*/"
ntpq -p
;;
esac
fi
fi