使用nicstat查看网卡状态
我以前用脚本实现对实时网卡流量统
Xml代码
#!/bin/bash
NAME=nic_flow
PIDFILE=/var/tmp/$NAME.pid
LOGFILE=/var/tmp/$NAME.log
function start(){
if [ -f "$PIDFILE" ]; then
echo $PIDFILE
exit 2
fi
for (( ; ; ));do
eth=$1
[ -z "${eth:-}" ] && eth=eth0
time_range=$2
[ -z "${time_range:-}" ] && time_range=1
ifconfig | awk '{print $1}' | grep "eth" > /dev/null
[ $? -gt 0 ] && echo "wrong NIC device" && exit 10
RX_1=$(cat /proc/net/dev | grep "$eth" | awk -F'[ |:]+' '{print $4}')
TX_1=$(cat /proc/net/dev | grep "$eth" | awk '{print $9}')
sleep $time_range
RX_2=$(cat /proc/net/dev | grep "$eth" | awk -F'[ |:]+' '{print $4}')
TX_2=$(cat /proc/net/dev | grep "$eth" | awk '{print $9}')
clear
echo -e "`date +%k:%M:%S` RX TX" | tee -a $LOGFILE
RX=$((${RX_2}-${RX_1}))
TX=$((${TX_2}-${TX_1}))
if [[ $RX -lt 1024 ]];then
RX="${RX}B/s"
elif [[ $RX -gt 1048576 ]];then
RX=$(echo $RX | awk '{print $1/1048576 "MB/s"}')
else
RX=$(echo $RX | awk '{print $1/1024 "KB/s"}')
fi
if [[ $TX -lt 1024 ]];then
TX="${TX}B/s"
elif [[ $TX -gt 1048576 ]];then
TX=$(echo $TX | awk '{print $1/1048576 "MB/s"}')
else
TX=$(echo $TX | awk '{print $1/1024 "KB/s"}')
fi
echo -e " $eth $RX $TX " | tee -a $LOGFILE
done&
echo $! > $PIDFILE
}
function stop(){
[ -f $PIDFILE ] && kill `cat $PIDFILE` && rm -rf $PIDFILE
}
case "$1" in
start)
start $2 $3
;;
stop)
stop
;;
*)
echo $"Usage:$0 {start|stop,NIC device(eth*), time_range(s)}"
exit 2
esac
今天发现一个更好用的工具nicstat。
nicstat可以提供更加全面的网卡信息。
显示TCP流量统计
显示UDP流量统计
报告进出网卡的字节数
报告进出网卡的数据数
报告网卡利用率
报告NIC饱和度和其他信息
安装make环境
yum install gcc gcc-c++ make automake autoconf -y
由于nicstat依赖32 bit glibc package,所以
yum install libgcc.i686 glibc.i686 glibc-devel.i686 -y
下载文件并安装
cd /usr/local/src
wget http://nchc.dl.sourceforge.net/project/nicstat/nicstat-1.92.tar.gz
tar xf nicstat-1.92.tar.gz
cd nicstat-1.92
cp Makefile.Linux Makefile
make
安装错误及解决方法
[root@andy nicstat-1.92]# make
gcc -O3 -m32 nicstat.c -o nicstat
In file included from /usr/include/features.h:385,
from /usr/include/stdio.h:28,
from nicstat.c:33:
/usr/include/gnu/stubs.h:7:27: error: gnu/stubs-32.h: No such file or directory
nicstat.c:99:1: warning: "DUPLEX_UNKNOWN" redefined
In file included from nicstat.c:84:
/usr/include/linux/ethtool.h:689:1: warning: this is the location of the previous definition
make: *** [nicstat] Error 1
======> yum install glibc-devel.i686
[root@localhost nicstat-1.92]# make
gcc -O3 -m32 nicstat.c -o nicstat
nicstat.c:99:1: warning: "DUPLEX_UNKNOWN" redefined
In file included from nicstat.c:84:
/usr/include/linux/ethtool.h:519:1: warning: this is the location of the previous definition
/usr/bin/ld: skipping incompatible /usr/lib/gcc/x86_64-redhat-linux/4.4.7/libgcc_s.so when searching for -lgcc_s
/usr/bin/ld: skipping incompatible /usr/lib/gcc/x86_64-redhat-linux/4.4.7/libgcc_s.so when searching for -lgcc_s
/usr/bin/ld: cannot find -lgcc_s
collect2: ld returned 1 exit status
make: *** [nicstat] Error 1
=======>yum install libgcc.i686
安装脚本:
Xml代码
#/bin/bash
#author junun
#blog
#
SOFT_DIR=/usr/local/src
function nicstat_ins {
echo "===========will inst nicstat"
ping -c 1 -t 1 www.baidu.com
if [[ $? -gt 0 ]];then
echo "nameserver 8.8.8.8/rnameserver 202.96.128.68" >> /etc/resolv.conf
fi
yum install gcc gcc-c++ make automake autoconf -y
yum install libgcc.i686 glibc.i686 glibc-devel.i686 -y
cd $SOFT_DIR
wget http://nchc.dl.sourceforge.net/project/nicstat/nicstat-1.92.tar.gz
tar xf nicstat-1.92.tar.gz
cd nicstat-1.92
cp Makefile.Linux Makefile
make
[ $? -eq 0 ] || error "/033[31m there are something to make /033[0m"
echo "alias nicstat='bash $SOFT_DIR/nicstat-1.92/nicstat.sh'" > /etc/profile.d/nicstat.sh
}
nicstat_ins