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CentOS6.5下使用NetHogs监控进程网络使用情况

 
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Nethogs 是一个终端下的网络流量监控工具，它的特别之处在于可以显示每个进程的带宽占用情况，这样可以更直观获取网络使用情况。它支持 IPv4 和 IPv6 协议、支持本地网卡及 PPP 链接。

下载：

从SourceForge上下载nethogs-0.8.0.tar.gz

使用wget下载：

wgethttp://sourceforge.net/projects/nethogs/files/nethogs/0.8/nethogs-0.8.0.tar.gz/download

安装：

安装之前需要先yuminstallncurses*

[root@localhost Desktop]# yum install ncurses*
Loaded plugins: fastestmirror, refresh-packagekit, security
Loading mirror speeds from cached hostfile
 * base: mirrors.skyshe.cn
 * extras: mirrors.skyshe.cn
 * updates: mirrors.skyshe.cn
Setting up Install Process
Package ncurses-5.7-3.20090208.el6.x86_64 already installed and latest version
Package ncurses-libs-5.7-3.20090208.el6.x86_64 already installed and latest version
Package ncurses-base-5.7-3.20090208.el6.x86_64 already installed and latest version
Resolving Dependencies
--> Running transaction check
---> Package ncurses-devel.x86_64 0:5.7-3.20090208.el6 will be installed
---> Package ncurses-static.x86_64 0:5.7-3.20090208.el6 will be installed
---> Package ncurses-term.x86_64 0:5.7-3.20090208.el6 will be installed
--> Finished Dependency Resolution

Dependencies Resolved

========================================================================================================================================================================
 Package                                    Arch                               Version                                           Repository                        Size
========================================================================================================================================================================
Installing:
 ncurses-devel                              x86_64                             5.7-3.20090208.el6                                base                             642 k
 ncurses-static                             x86_64                             5.7-3.20090208.el6                                base                             546 k
 ncurses-term                               x86_64                             5.7-3.20090208.el6                                base                             547 k

Transaction Summary
========================================================================================================================================================================
Install       3 Package(s)

Total download size: 1.7 M
Installed size: 6.8 M
Is this ok [y/N]: y
Downloading Packages:
(1/3): ncurses-devel-5.7-3.20090208.el6.x86_64.rpm                                                                                               | 642 kB     00:01     
(2/3): ncurses-static-5.7-3.20090208.el6.x86_64.rpm                                                                                              | 546 kB     00:00     
(3/3): ncurses-term-5.7-3.20090208.el6.x86_64.rpm                                                                                                | 547 kB     00:02     
------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Total                                                                                                                                   284 kB/s | 1.7 MB     00:06     
Running rpm_check_debug
Running Transaction Test
Transaction Test Succeeded
Running Transaction
  Installing : ncurses-devel-5.7-3.20090208.el6.x86_64                                                                                                              1/3 
  Installing : ncurses-static-5.7-3.20090208.el6.x86_64                                                                                                             2/3 
  Installing : ncurses-term-5.7-3.20090208.el6.x86_64                                                                                                               3/3 
  Verifying  : ncurses-term-5.7-3.20090208.el6.x86_64                                                                                                               1/3 
  Verifying  : ncurses-static-5.7-3.20090208.el6.x86_64                                                                                                             2/3 
  Verifying  : ncurses-devel-5.7-3.20090208.el6.x86_64                                                                                                              3/3 

Installed:
  ncurses-devel.x86_64 0:5.7-3.20090208.el6              ncurses-static.x86_64 0:5.7-3.20090208.el6              ncurses-term.x86_64 0:5.7-3.20090208.el6             

Complete!
解压文件：

tar -zxvfnethogs-0.8.0.tar.gz

切换目录：

cd nethogs

编译安装：

make&&makeinstall

make出错了：

[root@localhost nethogs]# make && make install
cc -g -Wall -Wextra -c decpcap.c
decpcap.c:7:18: error: pcap.h: No such file or directory
In file included from decpcap.c:8:
decpcap.h:34: error: expected specifier-qualifier-list before ‘pcap_t’
decpcap.c:14: error: expected ‘)’ before ‘*’ token
decpcap.c: In function ‘dp_open_offline’:
decpcap.c:48: error: ‘pcap_t’ undeclared (first use in this function)
decpcap.c:48: error: (Each undeclared identifier is reported only once
decpcap.c:48: error: for each function it appears in.)
decpcap.c:48: error: ‘temp’ undeclared (first use in this function)
decpcap.c:48: warning: implicit declaration of function ‘pcap_open_offline’
decpcap.c:55: warning: implicit declaration of function ‘dp_fillhandle’
decpcap.c: In function ‘dp_open_live’:
decpcap.c:60: error: ‘pcap_t’ undeclared (first use in this function)
decpcap.c:60: error: ‘temp’ undeclared (first use in this function)
decpcap.c:60: warning: implicit declaration of function ‘pcap_open_live’
decpcap.c: In function ‘dp_addcb’:
decpcap.c:74: error: ‘struct dp_handle’ has no member named ‘callback’
decpcap.c: In function ‘dp_parse_tcp’:
decpcap.c:84: error: ‘struct dp_handle’ has no member named ‘callback’
decpcap.c:86: error: ‘struct dp_handle’ has no member named ‘callback’
decpcap.c:87: error: ‘struct dp_handle’ has no member named ‘userdata’
decpcap.c: In function ‘dp_parse_ip’:
decpcap.c:99: error: dereferencing pointer to incomplete type
decpcap.c:103: error: ‘struct dp_handle’ has no member named ‘callback’
decpcap.c:105: error: ‘struct dp_handle’ has no member named ‘callback’
decpcap.c:106: error: ‘struct dp_handle’ has no member named ‘userdata’
decpcap.c: In function ‘dp_parse_ip6’:
decpcap.c:126: error: ‘struct dp_handle’ has no member named ‘callback’
decpcap.c:128: error: ‘struct dp_handle’ has no member named ‘callback’
decpcap.c:129: error: ‘struct dp_handle’ has no member named ‘userdata’
decpcap.c: In function ‘dp_parse_ethernet’:
decpcap.c:150: error: ‘struct dp_handle’ has no member named ‘callback’
decpcap.c:152: error: ‘struct dp_handle’ has no member named ‘callback’
decpcap.c:153: error: ‘struct dp_handle’ has no member named ‘userdata’
decpcap.c: In function ‘dp_parse_ppp’:
decpcap.c:196: error: ‘struct dp_handle’ has no member named ‘callback’
decpcap.c:198: error: ‘struct dp_handle’ has no member named ‘callback’
decpcap.c:199: error: ‘struct dp_handle’ has no member named ‘userdata’
decpcap.c: In function ‘dp_parse_linux_cooked’:
decpcap.c:238: error: ‘struct dp_handle’ has no member named ‘callback’
decpcap.c:240: error: ‘struct dp_handle’ has no member named ‘callback’
decpcap.c:241: error: ‘struct dp_handle’ has no member named ‘userdata’
decpcap.c: In function ‘dp_pcap_callback’:
decpcap.c:270: error: ‘struct dp_handle’ has no member named ‘userdata_size’
decpcap.c:271: error: ‘struct dp_handle’ has no member named ‘userdata’
decpcap.c:271: error: ‘struct dp_handle’ has no member named ‘userdata_size’
decpcap.c:273: error: ‘struct dp_handle’ has no member named ‘linktype’
decpcap.c:274: error: ‘DLT_EN10MB’ undeclared (first use in this function)
decpcap.c:277: error: ‘DLT_PPP’ undeclared (first use in this function)
decpcap.c:280: error: ‘DLT_LINUX_SLL’ undeclared (first use in this function)
decpcap.c:283: error: ‘DLT_RAW’ undeclared (first use in this function)
decpcap.c:284: error: ‘DLT_NULL’ undeclared (first use in this function)
decpcap.c:289: error: ‘struct dp_handle’ has no member named ‘linktype’
decpcap.c: In function ‘dp_dispatch’:
decpcap.c:296: error: ‘struct dp_handle’ has no member named ‘userdata’
decpcap.c:297: error: ‘struct dp_handle’ has no member named ‘userdata_size’
decpcap.c:298: warning: implicit declaration of function ‘pcap_dispatch’
decpcap.c:298: error: ‘struct dp_handle’ has no member named ‘pcap_handle’
decpcap.c: In function ‘dp_setnonblock’:
decpcap.c:302: warning: implicit declaration of function ‘pcap_setnonblock’
decpcap.c:302: error: ‘struct dp_handle’ has no member named ‘pcap_handle’
decpcap.c: In function ‘dp_geterr’:
decpcap.c:307: warning: implicit declaration of function ‘pcap_geterr’
decpcap.c:307: error: ‘struct dp_handle’ has no member named ‘pcap_handle’
make: *** [decpcap.o] Error 1
还是缺少依赖的东西，执行以下命令安装：

yum install libpcap-dev libncurses5-dev

[root@localhost nethogs]# yum install libpcap-dev libncurses5-dev
Loaded plugins: fastestmirror, refresh-packagekit, security
Loading mirror speeds from cached hostfile
 * base: mirrors.skyshe.cn
 * extras: mirrors.skyshe.cn
 * updates: mirrors.skyshe.cn
Setting up Install Process
No package libpcap-dev available.
No package libncurses5-dev available.
Error: Nothing to do
[root@localhost nethogs]# yum  -y install libpcap-devel  ncurses-devel
Loaded plugins: fastestmirror, refresh-packagekit, security
Loading mirror speeds from cached hostfile
 * base: mirrors.skyshe.cn
 * extras: mirrors.skyshe.cn
 * updates: mirrors.skyshe.cn
Setting up Install Process
Package ncurses-devel-5.7-3.20090208.el6.x86_64 already installed and latest version
Resolving Dependencies
--> Running transaction check
---> Package libpcap-devel.x86_64 14:1.4.0-1.20130826git2dbcaa1.el6 will be installed
--> Finished Dependency Resolution

Dependencies Resolved

===============================================================================================================================================================================================
 Package                                      Arch                                  Version                                                          Repository                           Size
===============================================================================================================================================================================================
Installing:
 libpcap-devel                                x86_64                                14:1.4.0-1.20130826git2dbcaa1.el6                                base                                114 k

Transaction Summary
===============================================================================================================================================================================================
Install       1 Package(s)

Total download size: 114 k
Installed size: 160 k
Downloading Packages:
libpcap-devel-1.4.0-1.20130826git2dbcaa1.el6.x86_64.rpm                                                                                                                 | 114 kB     00:00     
Running rpm_check_debug
Running Transaction Test
Transaction Test Succeeded
Running Transaction
  Installing : 14:libpcap-devel-1.4.0-1.20130826git2dbcaa1.el6.x86_64                                                                                                                      1/1 
  Verifying  : 14:libpcap-devel-1.4.0-1.20130826git2dbcaa1.el6.x86_64                                                                                                                      1/1 

Installed:
  libpcap-devel.x86_64 14:1.4.0-1.20130826git2dbcaa1.el6                                                                                                                       
Complete!
再执行：make&&makeinstall
[root@localhost nethogs]# make && make install
cc -g -Wall -Wextra -c decpcap.c
decpcap.c: In function ‘dp_open_live’:
decpcap.c:60: warning: passing argument 5 of ‘pcap_open_live’ discards qualifiers from pointer target type
/usr/include/pcap/pcap.h:349: note: expected ‘char *’ but argument is of type ‘const char *’
g++ -g -Wall -Wextra -c cui.cpp -DVERSION=\"0\" -DSUBVERSION=\"8\" -DMINORVERSION=\"0\"
g++ -g -Wall -Wextra -c inode2prog.cpp
g++ -g -Wall -Wextra -c conninode.cpp
g++    -c -o devices.o devices.cpp
g++ -g -Wall -Wextra nethogs.cpp packet.o connection.o process.o refresh.o decpcap.o cui.o inode2prog.o conninode.o devices.o -o nethogs -lpcap -lm -lncurses -DVERSION=\"0\" -DSUBVERSION=\"8\" -DMINORVERSION=\"0\"
g++ -g -Wall -Wextra decpcap_test.cpp decpcap.o -o decpcap_test -lpcap -lm
install -d -m 755 /usr/local/sbin
install -m 755 nethogs /usr/local/sbin
install -d -m 755 /usr/local/share/man/man8/
install -m 644 nethogs.8 /usr/local/share/man/man8/
安装成功了！

执行：nethogs

[root@localhost nethogs]# nethogs
Waiting for first packet to arrive (see sourceforge.net bug 1019381)

NetHogs version 0.8.0

  PID USER     PROGRAM                                                                                                                                     DEV        SENT      RECEIVED       
3227  root     sshd: root@pts/2                                                                                                                            eth0       0.666	  0.059 KB/sec
?     root     unknown TCP                                                                                                                                            0.000	  0.000 KB/sec

  TOTAL                                                                                                                                                               0.666       0.059 KB/sec

下图显示各进程当前网络使用情况：


按“m”键可以切换到统计视图，显示各进程总的网络使用情况


按“Ctrl+C”或“q”退出监控

使用帮助：

[root@localhost ~]# nethogs --help
nethogs: invalid option -- '-'
usage: nethogs [-V] [-b] [-d seconds] [-t] [-p] [device [device [device ...]]]
		-V : 显示版本信息，注意是大写字母V.
		-d : 延迟更新刷新速率，以秒为单位。默认值为 1.
		-t : 跟踪模式.
		-b : bug 狩猎模式 — — 意味着跟踪模式.
		-p : 混合模式（不推荐）.
		设备 : 要监视的设备名称. 默认为 eth0

当 nethogs 运行时, 按:
 q: 退出
 m: 总数和当前使用情况模式之间切换

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