1.安裝EPEL

yum install epel-release

參考：http://kirby86a.pixnet.net/blog/post/118589751-centos-linux-release-7.5.1804-%E5%AE%89%E8%A3%9D%E5%A5%97%E4%BB%B6%E5%BA%AB

2.更新套件庫

yum update

3.確認ClamAV相關套件是否存在於套件庫

yum list | grep clamav*

4.依據步驟3.安裝ClamAV相關套件

yum install -y clamav clamav-devel clamav-scanner-systemd clamav-update clamav-data clamav-server clamav-server-systemd clamav-scanner

1. 設定SELinux ，使其可執行系統掃描

setsebool -P antivirus_can_scan_system 1

setsebool -P antivirus_use_jit 1

6.更新病毒碼資料庫

freshclam

7.掃描測試

clamscan -r /var/www/html

8.安裝圖形化介面

 (1)下載clamtk https://dave-theunsub.github.io/clamtk/

        ex:clamtk-5.25-1.el7.norch.rpm

        wget https://bitbucket.org/davem_/clamtk/downloads/clamtk-5.25-1.el7.noarch.rpm

     (2) 安裝，參考資料 https://github.com/dave-theunsub/clamtk/blob/master/README.md

         yum install clamtk-5.25-1.el7.noarch.rpm

9.設定/etc/clamd.d/scan.conf

(1)備份

cp /etc/clamd.d/scan.conf /etc/clamd.d/scan.conf-10707190020

(2)找到 Example 字串，於前方加上#

(3)啟用紀錄

LogFile /var/log/clamd.scan

(4)啟用記錄訊息時間

LogTime yes

(5)啟用LocalSocket

LocalSocket /var/run/clamd.scan/clamd.sock

(6)啟用ExtendedDetecionInfo

ExtendedDetectionInfo yes

(7)啟用PidFile

PidFile /var/run/clamd.scan/clamd.pid

(8)建立clamd log檔

touch /var/log/clamd.scan

chown clamscan:clamscan /var/log/clamd.scan

10.設定自動更新病毒碼通知電子郵件帳號，預設為root

vi /etc/cron.d/clamav-update

MAILTO=新帳號

11.設定開機自動啟動

systemctl enable clamd@scan

12.啟動clamd

systemctl start clamd@scan

13.設定每日自動掃瞄家目錄，並儲存記錄檔於/var/log/clamscan_daily.log

(1)vi /etc/cron.daily/clamscan_daily.sh

/usr/bin/clamscan -i -r /home >> /var/log/clamscan_daily.log

(2)更改權限

chmod 755 clamscan_daily.sh

(3)測試執行

sh clamscan_daily.sh

14.其他：檢核設定檔

clamd -c /etc/clamd.d/scan.conf

若透過yum安裝的clamav為舊版，請參考下列網址資訊安裝新版

https://www.clamav.net/documents/upgrading-clamav

參考資料：

https://www.phpini.com/linux/centos-7-install-lmd-clam-antivirus

http://abcg5.pixnet.net/blog/post/117120934-clamav-%E5%AE%89%E8%A3%9D%E5%9C%A8-centos-7

https://www.hiroom2.com/2017/06/06/centos-7-clamav%E3%81%A7%E3%82%A6%E3%82%A3%E3%83%AB%E3%82%B9%E3%82%B9%E3%82%AD%E3%83%A3%E3%83%B3%E3%82%92%E5%AE%9F%E8%A1%8C%E3%81%99%E3%82%8B/

https://null-i.net/index.html?Linux/clamav%E3%81%A7%E3%82%A6%E3%82%A3%E3%83%AB%E3%82%B9%E5%AF%BE%E7%AD%96