8. System administration commands (usually only for root)
nfsconf
Section: Maintenance Commands (8)Updated: 2 May 2018
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NAME
nfsconf - Query various NFS configuration settingsSYNOPSIS
nfsconf --dump [-v|--verbose] [-f|--file infile.conf] [outfile]nfsconf --entry [--arg subsection] section tag
nfsconf --get [-v|--verbose] [-f|--file infile.conf] [-a|--arg subsection] section tag
nfsconf --isset [-v|--verbose] [-f|--file infile.conf] [-a|--arg subsection] section tag
nfsconf --set [-v|--verbose] [-m|--modified Modified by text] [-f|--file infile.conf] [-a|--arg subsection] section tag value
nfsconf --unset [-v|--verbose] [-f|--file infile.conf] [-a|--arg subsection] section tag
DESCRIPTION
The nfsconf command can be used to test for and retrieve configuration settings from a range of nfs-utils configuration files.Modes
The following modes are available:- -d, --dump
- Output an alphabetically sorted dump of the current configuration in conf file format. Accepts an optional filename in which to write the output.
- -e, --entry
- retrieve the config entry rather than its current expanded value
- -i, --isset
- Test if a specific tag has a value set.
- -g, --get
- Output the current value of the specified tag.
- -s, --set
- Update or Add a tag and value to the config file in a specified section, creating the tag, section, and file if necessary. If the section is defined as '#' then a comment is appended to the file. If a comment is set with a tag name then any exiting tagged comment with a matching name is replaced.
- -u, --unset
- Remove the specified tag and its value from the config file.
OPTIONS
Options valid in all modes
- -v, --verbose
- Increase verbosity and print debugging information.
- -f, --file infile
- Select a different config file to operate upon, default is /etc/nfs.conf
Options only valid in --entry and --get and --isset modes.
- -a, --arg subsection
- Select a specific sub-section
Options only valid in --set mode.
-m, --modified Modified by nfsconf Set the text on the Modified date comment in the file. Set to empty to remove.EXIT STATUS
--isset mode
In this mode the command will return success (0) if the selected tag has a value, any other exit code indicates the value is not set, or some other error has occurred.all other modes
Success is indicated by an exit status of zero, any other status indicates an error. Error messages are output on stderr, and increasing verbosity will give more detailed explanations if any are available.EXAMPLES
- nfsconf -v --dump --file /tmp/testconf.conf sorted.conf
- Check a new config file for syntax errors and output a sorted version for ease of comparison with existing settings.
- if ! nfsconf --isset gssd preferred-realm ; then echo 'No preferred realm configured for gss'; fi
- The tool allows for easy testing of configuration values from shell scripts, here we test if a specific value has been set.
- nfsconf --file /etc/nfsmount.conf --get --arg /home MountPoint background
- Show default value for background option for NFS mounts of the /home path.
- nfsconf --file /etc/nfs.conf --set nfsd debug 1
- Enable debugging in nfsd
FILES
- /etc/nfs.conf
SEE ALSO
nfsd(8), exportfs(8), idmapd(8), statd(8)AUTHOR
Justin Mitchell <jumitche@redhat.com>
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