[root@test test]# yum install iftop
No match for argument: iftop
centos8 Error: Unable to find a match: iftop本文地址:http://www.04007.cn/article/1134.html,未经许可,不得转载.
有些资料说是Centos8上的yum源里面没有epel,而iftop等一些软件被迁移到了epel源，需要先使用yum install epel-release来安装epel源。但我安装之后依然未成功，最后我通过下载文件编译安装的。过程如下：本文地址:http://www.04007.cn/article/1134.html,未经许可,不得转载.
cd /usr/local/src wget http://www.ex-parrot.com/pdw/iftop/download/iftop-0.17.tar.gz tar zxvf iftop-0.17.tar.gz cd iftop-0.17 ./configure --prefix=/usr/local/iftop make && make install ln -s /usr/local/iftop/sbin/iftop /usr/sbin/iftop期间碰到一些报错，整理如下：
报错：configure: error: no acceptable C compiler found in $PATH
问题：缺少gcc编译环境
解决：安装gcc编译环境：yum install -y gcc
报错：configure: error: can't find pcap.h You're not going to get very far without libpcap.
问题：系统缺少libpcap-devel包。
解决：安装libpcap-devel包
wget htps://repo.almalinux.org/almalinux/8/PowerTools/x86_64/os/Packages/libpcap-devel-1.9.1-5.el8.x86_64.rpm
rpm -ivh libpcap-devel-1.9.1-5.el8.x86_64.rpm --force --nodeps
报错：make: yacc: Command not found make: *** [grammar.c] Error 127
问题：缺少byacc包
解决：yum install byacc
报错：Can't find a curses library supporting mvchgat. Consider installing ncurses.
问题：系统缺少ncurses-devel包
解决：yum install ncurses-devel本文地址:http://www.04007.cn/article/1134.html,未经许可,不得转载.
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