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NAME | DESCRIPTION | SEE ALSO | COPYRIGHT | COLOPHON |
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cups-files.conf(5) Apple Inc. cups-files.conf(5)
cups-files.conf - file and directory configuration file for cups
The cups-files.conf file configures the files and directories used by
the CUPS scheduler, cupsd(8). It is normally located in the
/etc/cups directory.
Each line in the file can be a configuration directive, a blank line,
or a comment. Configuration directives typically consist of a name
and zero or more values separated by whitespace. The configuration
directive name and values are case-insensitive. Comment lines start
with the # character.
DIRECTIVES
The following directives are understood by cupsd(8):
AccessLog
AccessLog filename
AccessLog stderr
AccessLog syslog
Defines the access log filename. Specifying a blank filename
disables access log generation. The value "stderr" causes log
entries to be sent to the standard error file when the scheduler
is running in the foreground, or to the system log daemon when
run in the background. The value "syslog" causes log entries to
be sent to the system log daemon. The server name may be
included in filenames using the string "%s", for example:
AccessLog /var/log/cups/%s-access_log
The default is "/var/log/cups/access_log".
CacheDir directory
Specifies the directory to use for long-lived temporary (cache)
files. The default is "/var/spool/cups/cache" or
"/var/cache/cups" depending on the platform.
ConfigFilePerm mode
Specifies the permissions for all configuration files that the
scheduler writes. The default is "0644" on macOS and "0640" on
all other operating systems.
Note: The permissions for the printers.conf file are currently masked
to only allow access from the scheduler user (typically root). This
is done because printer device URIs sometimes contain sensitive
authentication information that should not be generally known on the
system. There is no way to disable this security feature.
CreateSelfSignedCerts yes
CreateSelfSignedCerts no
Specifies whether the scheduler automatically creates self-
signed certificates for client connections using TLS. The
default is yes.
DataDir path
Specifies the directory where data files can be found. The
default is usually "/usr/share/cups".
DocumentRoot directory
Specifies the root directory for the CUPS web interface content.
The default is usually "/usr/share/doc/cups".
ErrorLog
ErrorLog filename
ErrorLog stderr
ErrorLog syslog
Defines the error log filename. Specifying a blank filename
disables error log generation. The value "stderr" causes log
entries to be sent to the standard error file when the scheduler
is running in the foreground, or to the system log daemon when
run in the background. The value "syslog" causes log entries to
be sent to the system log daemon. The server name may be
included in filenames using the string "%s", for example:
ErrorLog /var/log/cups/%s-error_log
The default is "/var/log/cups/error_log".
FatalErrors none
FatalErrors all -kind [ ... -kind ]
FatalErrors kind [ ... kind ]
Specifies which errors are fatal, causing the scheduler to exit.
The default is "config". The kind strings are:
none No errors are fatal.
all All of the errors below are fatal.
browse
Browsing initialization errors are fatal, for example
failed connections to the DNS-SD daemon.
config
Configuration file syntax errors are fatal.
listen
Listen or Port errors are fatal, except for IPv6 failures
on the loopback or "any" addresses.
log Log file creation or write errors are fatal.
permissions
Bad startup file permissions are fatal, for example shared
TLS certificate and key files with world-read permissions.
Group group-name-or-number
Specifies the group name or ID that will be used when executing
external programs. The default group is operating system
specific but is usually "lp" or "nobody".
LogFilePerm mode
Specifies the permissions of all log files that the scheduler
writes. The default is "0644".
PageLog [ filename ]
PageLog stderr
PageLog syslog
Defines the page log filename. The value "stderr" causes log
entries to be sent to the standard error file when the scheduler
is running in the foreground, or to the system log daemon when
run in the background. The value "syslog" causes log entries to
be sent to the system log daemon. Specifying a blank filename
disables page log generation. The server name may be included
in filenames using the string "%s", for example:
PageLog /var/log/cups/%s-page_log
The default is "/var/log/cups/page_log".
RemoteRoot username
Specifies the username that is associated with unauthenticated
accesses by clients claiming to be the root user. The default
is "remroot".
RequestRoot directory
Specifies the directory that contains print jobs and other HTTP
request data. The default is "/var/spool/cups".
Sandboxing relaxed
Sandboxing strict
Specifies the level of security sandboxing that is applied to
print filters, backends, and other child processes of the
scheduler. The default is "strict". This directive is
currently only used/supported on macOS.
ServerBin directory
Specifies the directory containing the backends, CGI programs,
filters, helper programs, notifiers, and port monitors. The
default is "/usr/lib/cups" or "/usr/libexec/cups" depending on
the platform.
ServerKeychain path
Specifies the location of TLS certificates and private keys.
The default is "/Library/Keychains/System.keychain" on macOS and
"/etc/cups/ssl" on all other operating systems. macOS uses its
keychain database to store certificates and keys while other
platforms use separate files in the specified directory, *.crt
for PEM-encoded certificates and *.key for PEM-encoded private
keys.
ServerRoot directory
Specifies the directory containing the server configuration
files. The default is "/etc/cups".
StateDir directory
Specifies the directory to use for PID and local certificate
files. The default is "/var/run/cups" or "/etc/cups" depending
on the platform.
SyncOnClose Yes
SyncOnClose No
Specifies whether the scheduler calls fsync(2) after writing
configuration or state files. The default is "No".
SystemGroup group-name [ ... group-name ]
Specifies the group(s) to use for @SYSTEM group authentication.
The default contains "admin", "lpadmin", "root", "sys", and/or
"system".
TempDir directory
Specifies the directory where short-term temporary files are
stored. The default is "/var/spool/cups/tmp".
User username
Specifies the user name or ID that is used when running external
programs. The default is "lp".
DEPRECATED DIRECTIVES
The following directives are deprecated and will be removed from a
future version of CUPS:
FileDevice Yes
FileDevice No
Specifies whether the file pseudo-device can be used for new
printer queues. The URI "file:///dev/null" is always allowed.
File devices cannot be used with "raw" print queues - a PPD file
is required. The specified file is overwritten for every print
job. Writing to directories is not supported.
FontPath directory[:...:directoryN]
Specifies a colon separated list of directories where fonts can
be found. On Linux the font-config(1) mechanism is used
instead. On macOS the Font Book application manages system-
installed fonts.
LPDConfigFile filename
Specifies the LPD service configuration file to update.
Printcap filename
Specifies a file that is filled with a list of local print
queues.
PrintcapFormat bsd
PrintcapFormat plist
PrintcapFormat solaris
Specifies the format to use for the Printcap file. "bsd" is the
historical LPD printcap file format. "plist" is the Apple plist
file format. "solaris" is the historical Solaris LPD printcap
file format.
SMBConfigFile filename
Specifies the SMB service configuration file to update.
classes.conf(5), cups(1), cupsd(8), cupsd.conf(5), mime.convs(5),
mime.types(5), printers.conf(5), subscriptions.conf(5), CUPS Online
Help (http://localhost:631/help)
Copyright © 2007-2018 by Apple Inc.
This page is part of the CUPS (a standards-based, open source
printing system) project. Information about the project can be found
at ⟨http://www.cups.org/⟩. If you have a bug report for this manual
page, see ⟨http://www.cups.org/⟩. This page was obtained from the
project's upstream Git repository ⟨https://github.com/apple/cups⟩ on
2018-02-02. (At that time, the date of the most recent commit that
was found in the repository was 2018-02-01.) If you discover any
rendering problems in this HTML version of the page, or you believe
there is a better or more up-to-date source for the page, or you have
corrections or improvements to the information in this COLOPHON
(which is not part of the original manual page), send a mail to
man-pages@man7.org
21 September 2017 CUPS cups-files.conf(5)
Pages that refer to this page: cupsd.conf(5), cupsd-logs(5), mime.convs(5), mime.types(5), backend(7), filter(7), cupsd(8)
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