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freshclam(1)                    Clam AntiVirus                    freshclam(1)

       freshclam - update virus databases

       freshclam [options]

       freshclam is a virus database update tool for ClamAV.

       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.

              Enable debug messages from LibClamAV.

              Be quiet - output only error messages.

              Don't print and log warnings.

              Write all messages to stdout.

              Show download progress percentage.

              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.

       -u USER, --user USER
              Run as USER. By default (when started by root)  freshclam  drops
              privileges and operates as the '' user.

              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.

              Install  new  database  in  DIRECTORY.  The  directory  must  be
              writable for the '' user or unprivileged user running freshclam.

              Notify the daemon about the new database. By default it reads  a
              hardcoded  config  file  but  you  can use a different one. Both
              local 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.

              Execute COMMAND after successful update.

              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.

              Execute  COMMAND when freshclam reports outdated version. In the
              command string %v will be replaced by the new version number.

              Print mirror details from mirrors.dat (cache file for the mirror

              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
              option can be used multiple times and only works with the  offi-
              cial and 3rd party databases distributed through the ClamAV mir-
              rors, your custom databases (specified with DatabaseCustomURL in
              freshclam.conf) will not be ignored.

       (0) Download database to default directory:


       (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

       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 '' user from /etc/passwd.

       61: Can't drop privileges.

       62: Can't initialize logger.


       Please check the full documentation for credits.

       Tomasz Kojm <>, Kevin Lin <>

       freshclam.conf(5), clamd(8), clamd.conf(5), clamscan(1)

ClamAV 0.101.5                 December 4, 2013                   freshclam(1)

Czas wygenerowania: 0.00029 sek.

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