Netdata監控Linux CPU network ram 資源

woff

下面介紹一種很炫酷的監控linux各種系統資源的方法，其實他是一個軟體，以web的可視化方式展示系統及應用程式的實時運行狀態（包括cpu、內存、硬碟輸入/輸出、網絡等linux性能的數據）。給管理員顯示出最細節的內容。
不得不說的是，這個東東，監控的項目很多，雖然有一些我都看不懂是啥意思，但是很酷啊

介紹Netdata 是一個高度優化的Linux 守護進程，它為Linux 系統，應用程序，SNMP 服務等提供實時的性能監測。
環境
CentOS Linux release 7

準備

1. yum install autoconf automake curl gcc git libmnl-devel libuuid-devel lm_sensors make MySQL-python nc pkgconfig python python-psycopg2 PyYAML zlib-devel

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安裝

1. git clone https://github.com/firehol/netdata.git --depth=1
   
2. cd netdata
   
3. ./netdata-installer.sh
   
4. # 执行脚本成功后，netdata会立即启动。如果不希望立即启动，加入--dont-start-it

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設置開機啟動

1. # copy the netdata startup file to /etc/init.d
   
2. cp system/netdata-init-d /etc/init.d/netdata
   
3. # make sure it is executable
   
4. chmod +x /etc/init.d/netdata
   
5. # enable itchkconfig --add netdata

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好的，這樣就應該安裝成功了，按照默認安裝的話，Netdata已經自動啟動了，監聽在19999端口，通過瀏覽器中輸入：http://你的IP地址:19999訪問。注意：記得把19999端口開放防火牆。


1.Netdata啟動：

1. # /usr/sbin/netdata

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2.Netdata關閉：

1. # killall netdata

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Netdata配置（CentOS）：

配置文件在

1. /etc/netdata/netdata.conf

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介面預設是kilobits改成MB
編輯設定檔修改成如下

1. [system.ipv4]
   
2.         # history = 3600
   
3.         # enabled = yes
   
4.         # cache directory = /var/cache/netdata/system.ipv4
   
5.         # chart type = area
   
6.         # type = system
   
7.         # family = network
   
8.         # context = system.ipv4
   
9.          units = MB/s
   
10.         # units = kilobits/s
    
11.         # priority = 500
    
12.         # gap when lost iterations above = 1
    
13.         # name = system.ipv4
    
14.         # title = IPv4 Bandwidth (system.ipv4)
    
15.         # dim received name = received
    
16.         # dim received algorithm = incremental
    
17.         # dim received multiplier = 8
    
18.          dim received multiplier = 1
    
19.         # dim received divisor = 1024
    
20.          dim received divisor = 1048576
    
21.         # dim sent name = sent
    
22.         # dim sent algorithm = incremental
    
23.         # dim sent multiplier = -8
    
24.          dim sent multiplier = -1
    
25.         # dim sent divisor = 1024
    
26.          dim sent divisor = 1048576
    

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1. [net.enp4s0]
   
2.         # history = 3600
   
3.         # enabled = yes
   
4.         # cache directory = /var/cache/netdata/net.enp4s0
   
5.         # chart type = area
   
6.         # type = net
   
7.         # family = enp4s0
   
8.         # context = net.net
   
9.         # units = kilobits/s
   
10.         units = Megabytes/s
    
11.         # priority = 7000
    
12.         # gap when lost iterations above = 1
    
13.         # name = net.enp4s0
    
14.         # title = Bandwidth (net.enp4s0)
    
15.         # dim received name = received
    
16.         # dim received algorithm = incremental
    
17.         # dim received multiplier = 8
    
18.          dim received multiplier = 1
    
19.          dim received divisor = 1048576
    
20.         # dim received divisor = 1024
    
21.         # dim sent name = sent
    
22.         # dim sent algorithm = incremental
    
23.         # dim sent multiplier = -8
    
24.          dim sent multiplier = -1
    
25.          dim sent divisor = 1048576
    
26.         # dim sent divisor = 1024
    

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enp4s0是網卡代號
結果如下



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