Installation and configuration of clamav
Installation and configuration description of Clamav antivirus software:
Install clamav antivirus software and scan the Guizhou node to see if there is a virus.
When compiling ClamAV, you should include a zlib library for compression and decompression functions
1. System environment: centos6.4
Software: zlib-1.2.7.tar.gz clamav-0.97.6.tar.gz
Software download address:
Http://nchc.dl.sourceforge.net/project/libpng/zlib/1.2.7/zlib-1.2.7.tar.gz
Http://nchc.dl.sourceforge.net/project/clamav/clamav/0.97.6/clamav-0.97.6.tar.gz
two。 Installation
[root@ts181test] # wget http://nchc.dl.sourceforge.net/project/libpng/zlib/1.2.7/zlib-1.2.7.tar.gz
[root@ts181test] # wget
Http://nchc.dl.sourceforge.net/project/clamav/clamav/0.97.6/clamav-0.97.6.tar.gz
2.1 installation of zlib
[root@ts181 test] # tar xfzlib-1.2.7.tar.gz
[root@ts181 test] # cd zlib-1.2.7
[root@ts181 zlib-1.2.7] #. / configure
[root@ts181 zlib-1.2.7] # make & & make install
[root@ts181 zlib-1.2.7] # cd..
2.2 add users
Add user group clamav and group member clamav (Note: users must be added before installing clamav-0.97.6.tar.gz)
[root@ts181 test] # groupadd clamav
[root@ts181 test] # useradd-g clamav-s/bin/false-c "Clam AntiVirus" clamav
2.3 clamav installation
[root@ts181 test] # tar xfclamav-0.97.6.tar.gz
[root@ts181 test] # cd clamav-0.97.6
[root@ts181 clamav-0.97.6] #. / configure--prefix=/opt/clamav-disable-clamav
[root@ts181 clamav-0.97.6] # make&& make install
3. Configuration 3.1 create a directory
Mkdir / opt/clamav/logs (log storage directory)
Mkdir / opt/clamav/updata (clanav virus library directory)
3.2 create a file:
Add two logs files, clamd.log and freshclam.log, under the / var/log directory, change the owner to the newly added clamav user, and set the corresponding file read and write permissions
Touch / opt/clamav/logs/freshclam.log
Touch / opt/clamav/logs/clamd.log
3.3 configuration / etc/clam.conf Fil
[root@ts181 clamav-0.97.6] # cd/opt/clamav
[root@ts181 clamav] # vim etc/clam.conf
# Example comment out this line. Line 8
LogFile / opt/clamav/logs/clamd.log
PidFile / opt/clamav/updata/clamd.pid
DatabaseDirectory / opt/clamav/updata
3.4Configuring freshclam.conf files
[root@ts181 clamav] # vimetc/freshclam.conf
# Example comment out this line
DatabaseDirectory / opt/clamav/updata
UpdateLogFile/opt/clamav/logs/freshclam.log
PidFile/opt/clamav/updata/freshclam.pid
3.5 File authorization
[root@ts181 clamav] # chown clamav:clamav/opt/clamav-R
4. Run 4.1 upgrade
[root@ts181 clamav] # / opt/clamav/bin/freshclam
# # upgrading virus database
4.2 Antivirus
[root@ts181 clamav] # / opt/clamav/bin/clamscan-- check and kill files in the current directory
[root@ts181 clamav] # / opt/clamav/bin/clamscan-r-- kill all files and directories in the current directory
[root@ts181 clamav] # / opt/clamav/bin/clamscan / home/leng-- check and kill dir directory
[root@ts181 clamav] # / opt/clamav/bin/clamscan-r / home/leng-- kill all files and directories under the directory dir
4.3 View help
[root@ts181 clamav] # / opt/clamav/bin/clamscan-- help
5. Automatic update
Run / opt/clamav/bin/freshclam-d in the background
Scheduled tasks:
[root@ts181 clamav] # crontab-e
1 3 * / usr/local/clamav/bin/freshclam--quiet
20 3 * / usr/local/clamav/bin/clamscan-r/home-- remove-l / var/log/clamscan.log
