关于Linux系统安装Clamav杀毒软件的问题
clamav官网：
http://www.clamav.net/downloads
但官网不一定有合适的安装包，需要到网上搜索找到对应系统的安装包 ，搜索关键词：clamav rpm
病毒库文件（下载替换就是最新的）：
http://database.clamav.net/main.cvd
http://database.clamav.net/daily.cvd
http://database.clamav.net/bytecode.cvd
病毒库路径一般在/var/lib/clamav目录下
安装包下载（别的网站也有）：
https://pkgs.org/download/clamav
举例：
REHL 7 可下载 Centos 7 的：clamav-0.101.4-1.el7.x86_64.rpm + 以下包
clamav-data-0.101.4-1.el7.noarch.rpm
Virus signature data for the Clam Antivirus scanner
clamav-devel-0.101.4-1.el7.x86_64.rpm
Header files and libraries for the Clam Antivirus scanner
clamav-filesystem-0.101.4-1.el7.noarch.rpm
Filesystem structure for clamav
clamav-lib-0.101.4-1.el7.x86_64.rpm
Dynamic libraries for the Clam Antivirus scanner
clamav-milter-0.101.4-1.el7.x86_64.rpm
Milter module for the Clam Antivirus scanner
clamav-unofficial-sigs-5.6.2-7.el7.noarch.rpm
Scripts to download unofficial clamav signatures
clamav-update-0.101.4-1.el7.x86_64.rpm
Auto-updater for the Clam Antivirus scanner data-files
clamd-0.101.4-1.el7.x86_64.rpm
The Clam AntiVirus Daemon
下载地址：
https://download-ib01.fedoraproject.org/pub/epel/7/x86_64/Packages/c/ 搜索 clamav
clamav-0.101.4-1.el7.x86_64.rpm
clamav-data-0.101.4-1.el7.noarch.rpm
clamav-devel-0.101.4-1.el7.x86_64.rpm
clamav-filesystem-0.101.4-1.el7.noarch.rpm
clamav-lib-0.101.4-1.el7.x86_64.rpm
clamav-milter-0.101.4-1.el7.x86_64.rpm
clamav-unofficial-sigs-5.6.2-7.el7.noarch.rpm
clamav-update-0.101.4-1.el7.x86_64.rpm
clamd-0.101.4-1.el7.x86_64.rpm
如果是 RHEL 6 (Red Hat Enterprise Linux 6) ，就要下载这个
https://download-ib01.fedoraproject.org/pub/epel/6/x86_64/Packages/c/ ，搜索 clamav
参考资料：
https://wiki.ubuntu.org.cn/ClamAV
https://blog.51cto.com/qiuyue/1909892
其他：
rpm安装命令：rpm -ivh --force --nodeps * .rpm
EPEL 是 yum 的一个软件源, 里面包含了许多基本源里没有的软件了。EPEL, 即 Extra Packages for Enterprise Linux 的简称, 是为企业级 Linux 提供的一组高质量的额外软件包, 包括但不限于 Red Hat Enterprise Linux (RHEL), CentOS and Scientific Linux (SL), Oracle Enterprise Linux (OEL).
