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freshclam(1) Clam AntiVirus freshclam(1) NAME freshclam - update virus databases SYNOPSIS freshclam [options] DESCRIPTION freshclam is a virus database update tool for ClamAV. OPTIONS FreshClam reads its configuration from freshclam.conf. The settings can be overwritten with command line options. -h, --help Output help information and exit. -V, --version Print version number and exit. -v, --verbose Be verbose. This option causes freshclam to print much addi- tional information. --debug Enable debug messages from LibClamAV. --quiet Be quiet - output only error messages. --no-warnings Don't print and log warnings. --stdout Write all messages to stdout. --show-progress Show download progress percentage. --config-file=FILE Read configuration from FILE. -l FILE, --log=FILE Log report to FILE. -d, --daemon Run in a daemon mode. Defaults to 12 checks per day unless oth- erwise specified by --checks or freshclam.conf. -p FILE, --pid=FILE Write daemon's pid to FILE. -F, --foreground Don't fork into background (for use in daemon mode). -u USER, --user USER Run as USER. By default (when started by root) freshclam drops privileges and operates as the 'clamav' user. --no-dns This option forces old non-DNS verification method (without a TTL delay). -c #n, --checks=#n Check #n times per day for a new database. #n must be between 1 and 50. --datadir=DIRECTORY Install new database in DIRECTORY. The directory must be writable for the 'clamav' user or unprivileged user running freshclam. --daemon-notify=/path/to/clamd.conf Notify the daemon about the new database. By default it reads a hardcoded config file but you can use a different one. Both lo- cal and TCP sockets are supported. -a IP, --local-address=IP Use (local) IP for HTTP downloads. Useful for multi-homed sys- tems. If binding fails for whatever reason, a warning is issued and freshclam behaves like without this flag. --on-update-execute=COMMAND Execute COMMAND after successful update. --on-error-execute=COMMAND Execute COMMAND if error occurred. Remember, that virus database freshness is the most important thing in anti-virus system. With this option freshclam can alert you (eg. send SMS) when some- thing is going wrong. --on-outdated-execute=COMMAND Execute COMMAND when freshclam reports outdated version. In the command string %v will be replaced by the new version number. --update-db=DBNAME With this option you can limit updates to a subset of database files. The DBNAME should be "main", "daily", "bytecode", "safebrowsing" or one of the 3rd party database names. This op- tion can be used multiple times and only works with the official and 3rd party databases distributed through the ClamAV mirrors, your custom databases (specified with DatabaseCustomURL in freshclam.conf) will not be ignored. ENVIRONMENT VARIABLES freshclam uses the following environment variables: CURL_CA_BUNDLE - May be set to the path of a file (bundle) containing one or more CA certificates. This will override the default openssl certificate path. Note that the CURL_CA_BUNDLE environment variable is also used by the curl command line tool for the same purpose. EXAMPLES (0) Download database to default directory: freshclam (1) Download database to current directory: freshclam --datadir=. (2) Run as a daemon and check 2 times per day for new database: freshclam -d -c 2 RETURN CODES Some return codes of freshclam can be overwritten with a built-in com- mand EXIT_n which can be passed to --on-*-execute, eg. --on-update-exe- cute=EXIT_1 will force freshclam to always return 1 after successful database update. 0 : Database is up-to-date or successfully updated. 40: Unknown option passed. 50: Can't change directory. 51: Can't check MD5 sum. 52: Connection (network) problem. 53: Can't unlink file. 54: MD5 or digital signature verification error. 55: Error reading file. 56: Config file error. 57: Can't create new file. 58: Can't read database from remote server. 59: Mirrors are not fully synchronized (try again later). 60: Can't get information about 'clamav' user from /etc/passwd. 61: Can't drop privileges. 62: Can't initialize logger. FILES /usr/local/etc/freshclam.conf CREDITS Please check the full documentation for credits. AUTHOR Tomasz Kojm <tkojm@clamav.net>, Kevin Lin <klin@sourcefire.com> SEE ALSO freshclam.conf(5), clamd(8), clamd.conf(5), clamscan(1) ClamAV 1.0.8 December 4, 2013 freshclam(1)
NAME | SYNOPSIS | DESCRIPTION | OPTIONS | ENVIRONMENT VARIABLES | EXAMPLES | RETURN CODES | FILES | CREDITS | AUTHOR | SEE ALSO
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