This is the command mount.s3ql that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
PROGRAM:
NAME
mount.s3ql - Mount an S3QL file system
SYNOPSIS
mount.s3ql [options] <storage url> <mount point>
DESCRIPTION
S3QL is a file system for online data storage. Before using S3QL, make sure to consult the
full documentation (rather than just the man pages which only briefly document the
available userspace commands).
The mount.s3ql command mounts the S3QL file system stored in storage url in the directory
mount point. The storage url depends on the backend that is used. The S3QL User's Guide
should be consulted for a description of the available backends.
OPTIONS
The mount.s3ql command accepts the following options.
--log <target>
Destination for log messages. Specify none for standard output or syslog for the
system logging daemon. Anything else will be interpreted as a file name. Log
files will be rotated when they reach 1 MiB, and at most 5 old log files will be
kept. Default: ~/.s3ql/mount.log
--cachedir <path>
Store cached data in this directory (default: ~/.s3ql)
--authfile <path>
Read authentication credentials from this file (default: ~/.s3ql/authinfo2)
--debug-modules <modules>
Activate debugging output from specified modules (use commas to separate
multiple modules). Debug messages will be written to the target specified by the
--log option.
--debug
Activate debugging output from all S3QL modules. Debug messages will be written
to the target specified by the --log option.
--quiet
be really quiet
--backend-options <options>
Backend specific options (separate by commas). See backend documentation for
available options.
--version
just print program version and exit
--cachesize <size>
Cache size in KiB (default: autodetect).
--max-cache-entries <num>
Maximum number of entries in cache (default: autodetect). Each cache entry
requires one file descriptor, so if you increase this number you have to make
sure that your process file descriptor limit (as set with ulimit -n) is high
enough (at least the number of cache entries + 100).
--allow-other
Normally, only the user who called mount.s3ql can access the mount point. This
user then also has full access to it, independent of individual file
permissions. If the --allow-other option is specified, other users can access
the mount point as well and individual file permissions are taken into account
for all users.
--allow-root
Like --allow-other, but restrict access to the mounting user and the root user.
--fg Do not daemonize, stay in foreground
--upstart
Stay in foreground and raise SIGSTOP once mountpoint is up.
--compress <algorithm-lvl>
Compression algorithm and compression level to use when storing new data.
algorithm may be any of lzma, bzip2, zlib, or none. lvl may be any integer from
0 (fastest) to 9 (slowest). Default: lzma-6
--metadata-upload-interval <seconds>
Interval in seconds between complete metadata uploads. Set to 0 to disable.
Default: 24h.
--threads <no>
Number of parallel upload threads to use (default: auto).
--nfs Enable some optimizations for exporting the file system over NFS. (default:
False)
EXIT CODES
mount.s3ql may terminate with the following exit codes:
0 Everything went well.
1 An unexpected error occured. This may indicate a bug in the program.
2 Invalid command line argument.
3 Invalid backend option.
10 Could not open log file for writing.
11 No such backend.
12 Authentication file has insecure permissions.
13 Unable to parse proxy settings.
14 Invalid credentials (Authentication failed).
15 No permission to access backend (Authorization denied).
16 Invalid storage URL, specified location does not exist in backend.
17 Wrong file system passphrase.
18 No S3QL file system found at given storage URL.
19 Unable to connect to backend, can't resolve hostname.
30 File system was not unmounted cleanly.
31 File system appears to be mounted elsewhere.
32 Unsupported file system revision (too old).
33 Unsupported file system revision (too new).
34 Insufficient free nodes, need to run fsck.s3ql.
35 Attempted to mount read-only, this is not supported.
36 Mountpoint does not exist.
37 Not enough available file descriptors.
39 Unable to bind file system to mountpoint.
45 Unable to access cache directory.
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