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yum install clamav clamav-server clamav-data clamav-update clamav-filesystem clamav-scanner-systemd clamav-devel clamav-lib clamav-server-systemd pcre* gcc zlib zlib-devel libssl-devel libssl openssl |
这种方法安装后，病毒库默认地址是/var/lib/clamav。
#官网地址：
http://www.clamav.net/downloads
#Linux中下载地址：
wget http://www.clamav.net/downloads/production/clamav-0.100.0.tar.gz
#参考文档：
https://github.com/vrtadmin/clamav-faq/raw/master/manual/clamdoc.pdf
#clamav用户和用户组
groupadd clamav && useradd -g clamav clamav && id clamav
#日志存放目录
mkdir -p /usr/local/clamav/logs
touch /usr/local/clamav/logs/clamd.log
touch /usr/local/clamav/logs/freshclam.log
chown clamav.clamav /usr/local/clamav/logs/clamd.log
chown clamav.clamav /usr/local/clamav/logs/freshclam.log
#病毒存放目录
mkdir -p /usr/local/clamav/updata
chown -R root.clamav /usr/local/clamav/
chown -R clamav.clamav /usr/local/clamav/updata/
tar xf clamav-0.100.0.tar.gz
yum install gcc openssl openssl-devel -y
cd clamav-0.100.0/
./configure --prefix=/usr/local/clamav --with-pcre
make && make install
echo $?
cd /usr/local/clamav/etc
cp clamd.conf.sample clamd.conf
cp freshclam.conf.sample freshclam.conf
vim clamd.conf
#Example 注释掉这一行.
添加下面三行：
LogFile /usr/local/clamav/logs/clamd.log
PidFile /usr/local/clamav/updata/clamd.pid
DatabaseDirectory /usr/local/clamav/updata
vim freshclam.conf
#Example 注释掉这一行.
添加下面三行
DatabaseDirectory /usr/local/clamav/updata
UpdateLogFile /usr/local/clamav/logs/freshclam.log
PidFile /usr/local/clamav/updata/freshclam.pid
chown -R clamav.clamav /usr/local/clamav/
systemctl start clamav-freshclam.service
systemctl enable clamav-freshclam.service
systemctl status clamav-freshclam.service
#先停止freshclam
systemctl stop clamav-freshclam.service
#再更新
/usr/local/clamav/bin/freshclam （根据网络质量确定更新时长）
或者
cd /usr/local/clamav/share/clamav
wget http://database.clamav.net/main.cvd
wget http://database.clamav.net/daily.cvd
wget http://database.clamav.net/bytecode.cvd
#更新完成启动
systemctl start clamav-freshclam.service
systemctl status clamav-freshclam.service
#创建软链接
ln -s /usr/local/clamav/bin/clamscan /usr/local/sbin/clamscan
说明：如果在手动更新病毒库的时候遇到错误，此时就要删除掉旧的镜像地址文件#rm -f /var/lib/clamav/mirrors.dat，再手动更新一次病毒库。
clamdscan：
clamdscan /usr
clamscan：
扫描参数：
#扫描所有文件并且显示有问题的文件的扫描结果
clamscan -r --bell -i /
#只显示找到的病毒信息
clamscan --no-summary -ri /tmp
#扫描home
clamscan --infected --remove --recursive /home
#让服务器每天晚上定时更新和杀毒，保存杀毒日志，crontab文件如下：
1 3 * * * /usr/local/clamav/bin/freshclam --quiet
20 3 * * * /usr/local/clamav/bin/clamscan -r /home --remove -l /var/log/clamscan.log
原文：https://www.cnblogs.com/salmonLeeson/p/11482953.html