监控流量
#!/bin/bash
TIME=$(date +%s)
# 获取接收流量和发送流量
RX=$(cat /proc/net/dev | grep eth0 | awk '{print $2}')
TX=$(cat /proc/net/dev | grep eth0 | awk '{print $10}')
# 计算并转化流量单位为 Mbps
RX_MBPS=$(echo "scale=2; $RX/$TIME/1048576*8" | bc)
TX_MBPS=$(echo "scale=2; $TX/$TIME/1048576*8" | bc)
# 输出流量信息
echo "RX: $RX_MBPS Mbps"
echo "TX: $TX_MBPS Mbps"#!/bin/bash
# Set variables
TIME=$(date +"%Y-%m-%d %H:%M:%S")
CPU=$(top -bn1 | grep %Cpu | awk '{print $2}')
MEMORY=$(free | awk '/Mem/{printf "%dMB/%dMB(%.2f%%)\n", $3/1024,$2/1024,$3/$2*100.0}')
AVAILABLE_MEMORY=$(free -h | grep Mem: | awk '{print $7}')
CURR_ESTAB=$(netstat -an | grep ESTABLISHED | wc -l)
TCP_TW=$(netstat -an | grep TIME_WAIT | wc -l)
SOCKETS_USED=$(netstat -an | grep -v -e TIME_WAIT -e LISTEN | wc -l)
UDP_INUSE=$(netstat -anu | grep -v -e TIME_WAIT | wc -l)
TCP_ALLOC=$(cat /proc/sys/net/ipv4/tcp_max_orphans)
TCP_INSEGS=$(cat /proc/net/snmp | grep TcpInSegs | awk '{print $2}')
TCP_OUTSEGS=$(cat /proc/net/snmp | grep TcpOutSegs | awk '{print $2}')
TCP_RETRANSSEGS=$(cat /proc/net/snmp | grep TcpRetransSegs | awk '{print $2}')
ONE_UPLOAD=$(uptime | awk '{print $10}' | awk -F',' '{print $1}')
WU_UPLOAD=$(uptime | awk -F',' '{print $5}')
SHIWU_UPLOAD=$(uptime | awk -F',' '{print $6}')
# Send message to WeChat robot
curl 'https://qyapi.weixin.qq.com/cgi-bin/webhook/send?key=7c39d97e-23b5-4a6f-999d-b594beb14c20' \
-H 'Content-Type: application/json' \
-d "
{
\"msgtype\": \"text\",
\"text\": {
\"content\": \"neo4j服务器资源使用情况如下：
- 当前时间: $TIME
- CPU使用量: ${CPU}%
- 内存使用量: $MEMORY
- 可用内存为: $AVAILABLE_MEMORY
- ESTABLISHED的TCP连接数: $CURR_ESTAB
- TIME_WAIT的TCP连接数: $TCP_TW
- 当前使用的Socket数: $SOCKETS_USED
- 当前使用的UDP连接数: $UDP_INUSE
- 系统1分钟负载：$ONE_UPLOAD
- 系统5分钟负载：$WU_UPLOAD
- 系统15分钟负载：$SHIWU_UPLOAD\"
}
}"
