http://www.lbackup.org/ 2026-04-30T15:58:17+0000 http://www.lbackup.org/ http://www.lbackup.org/lib/tpl/mmClean/images/favicon.ico text/html 2008-02-27T09:41:49+0000 Anonymous (anonymous@undisclosed.example.com) http://www.lbackup.org/developer/additional_useful_ssh_options?rev=1204105309&do=diff Potentially Useful SSH options * 'from=“10.1.1.1”' ( This can be specified within the authorized keys file prior to the command=“” option ) * 'SSH Wrapper' 'Another Link' 'Yet another link' 'and another (quite good tips - some listed below - separate with ',' )' 'and another * '“PermitRootLogin forced-commands-only” in your /etc/ssh/sshd_config' * text/html 2011-08-30T23:18:05+0000 Anonymous (anonymous@undisclosed.example.com) http://www.lbackup.org/developer/advanced_excludes_file_examples?rev=1314746285&do=diff Advanced Exclude File Usage This example assumes that you have set your backup path to “/” (root directory) on the source system. This example also assumes that you are running Mac OS X. /private/etc/ssh_config/ + private + private/etc/*** + private/var/*** + home/*** - * text/html 2009-11-05T11:13:07+0000 Anonymous (anonymous@undisclosed.example.com) http://www.lbackup.org/developer/automated_checking_of_the_backup_volume?rev=1257419587&do=diff Automatic Backup Volume Checking Initial Steps The first step to this is to create a script which checks the following properties of a backup volume. In addition, there should be checks in place for available free disk space (check elsewhere in the developer pages for details). text/html 2009-10-31T08:46:55+0000 Anonymous (anonymous@undisclosed.example.com) http://www.lbackup.org/developer/automated_ssh_backup_script?rev=1256978815&do=diff Automated SSH Backup Script Developer Page This page is where links and ideas for the development of an SSH backup assist page are located. Currently this aspect is on the drawing board but no work has started yet. If you have a working script then please submit this to the project. text/html 2009-08-28T00:28:44+0000 Anonymous (anonymous@undisclosed.example.com) http://www.lbackup.org/developer/backup_as_root_without_root_login?rev=1251419324&do=diff Backup as Root sudo approach Q : How do I enable a full backup of the remote server without allowing root top log in to ssh? Can I somehow get rsync to login as a normal user and then do some kind of “sudo” command? A : --rsync-path=“sudo rsync text/html 2009-09-14T01:57:11+0000 Anonymous (anonymous@undisclosed.example.com) http://www.lbackup.org/developer/bandwidth_limiting?rev=1252893431&do=diff Bandwidth Limiting Trickle RSync Bandwidth Limiting Example rsync -auvPe "trickle -d 80 ssh" user@host:/src/ /dst/ * Details on trickle : <http://monkey.org/~marius/pages/?page=trickle> * reference text/html 2009-04-20T05:07:21+0000 Anonymous (anonymous@undisclosed.example.com) http://www.lbackup.org/developer/basicbackup?rev=1240204041&do=diff Basic Backup Script This is a very basic and rough script. It uses diskutil on Mac OS X to generate a disk image and then copy this disk image to a location. Improvements are welcome. #!/bin/bash ## ## Very Basic backup script. V.00003 ## # Copyright 2006 Henri Shustak GNU GPU v3 ## Settings # Log File logfile="" backup_name="Backup1" # Volume with Data backup_src_volume="/Volumes/SoruceVolume" # This is messy - should be fixed if [ "${backup_src_volume}" == "/" ] ; then # On… text/html 2011-09-06T00:39:55+0000 Anonymous (anonymous@undisclosed.example.com) http://www.lbackup.org/developer/case_insensitivity_on_some_mac_os_x_file_systems?rev=1315269595&do=diff Case Sensitivity OS X On Mac OS X systems, if a file system is not specified as case sensitive then some matches will fail to detect issues. Perhaps a function will need to be implemented to resolve this situation. A test could be performed to check if a directory exists by changing directory into the directory and checking for an error exit code. text/html 2011-11-08T19:48:44+0000 Anonymous (anonymous@undisclosed.example.com) http://www.lbackup.org/developer/data_deduplication?rev=1320781724&do=diff Data De-Duplication * lessfs (high performance inline data deduplicating filesystem) * HAMMER (distributed) * FUSE details (LINUX/Mac OSX) * HAMMER also has various other features which would be great for geographic redundancy. text/html 2012-08-01T20:29:01+0000 Anonymous (anonymous@undisclosed.example.com) http://www.lbackup.org/developer/data_verification?rev=1343852941&do=diff Notes Regarding Data Verification fingerprint Using the fingerprint tool it should be possible to add some basic verification to LBackup. rsync checksum Option Adding the --checksum option is a possibility. Even if this only happens every x rotations. Currently it is possible to enable the text/html 2009-12-19T07:03:09+0000 Anonymous (anonymous@undisclosed.example.com) http://www.lbackup.org/developer/database_backups?rev=1261206189&do=diff Database Backups MySQL One option for MySQL database backups is to have a replica and then dump from the replica. This allows you to leave the primary database active and accessible during the dump. Mac OS X Server Below is a link to a script which you may use to create an archive of the Open Directory on a Mac text/html 2020-05-13T09:23:52+0000 Anonymous (anonymous@undisclosed.example.com) http://www.lbackup.org/developer/dealing_with_sip?rev=1589361832&do=diff SIP macOS SIP (system integrity protection) is a feature of many recent versions of macOS. In 10.14.x Apple introduced privacy protection which means that programs are not able to access certain areas of any users home directory. The idea is to prevent malicious attacks (including data theft). This feature means that any program on MacOS 10.14.x or later needs to be granted full disk access in order to access various areas of the home (such as iPhoto Library / Mobile backups and much more). text/html 2011-04-25T01:10:21+0000 Anonymous (anonymous@undisclosed.example.com) http://www.lbackup.org/developer/debian_build_notes?rev=1303693821&do=diff LBackup Debian Build Notes About this page This page provides notes for building LBackup .deb packages. The process is currently quite manual. As the process becomes more automated then this page should be updated to reflect the process for building the lbackup .deb package. text/html 2007-12-25T08:39:29+0000 Anonymous (anonymous@undisclosed.example.com) http://www.lbackup.org/developer/deployment_of_track?rev=1198571969&do=diff Track Deployment Deploying track is one possibility for LBackup, currently we are consider a move to Track for LBackup the LBackup development pages. Will we or Wont We We will wait and see....for now the doku wiki is doing just fine, but with more developers and more issues to manage, the move to an actual bug tracking system may be a good idea. text/html 2009-12-07T03:23:32+0000 Anonymous (anonymous@undisclosed.example.com) http://www.lbackup.org/developer/disk_image_backup?rev=1260156212&do=diff Disk Image Backup This topic relates backup scripts which rely upon the diskutil command which is available on Mac OS X. These scripts may be used to enhance the way LBackup works. There are similar utilities available on other operating systems. These notes should be expanded to cover other popular tools. text/html 2008-11-27T06:14:01+0000 Anonymous (anonymous@undisclosed.example.com) http://www.lbackup.org/developer/documentation_and_installation?rev=1227766441&do=diff Basic Ideas Below is a list of some basic ideas which should be implemented. If you are not working within Lucid then and are able to assist with the any of the following, then please submit patches directly to Lucid. * Some better install scripts for *NIX operating systems (when downloading the source code) text/html 2010-02-11T03:32:58+0000 Anonymous (anonymous@undisclosed.example.com) http://www.lbackup.org/developer/email_reporting?rev=1265859178&do=diff Developer Page : Email Reporting When are Emails Sent Currently there a variety of situations when emails are not sent. With the default LBackup example configuration emails are only sent out if the backup has actually started. If a machine is not available for backup then this will not generate an email report. For automated notifications regarding these situations you should schedule the lmail program at a specific interval to report the status of the backups. Another possibility is to enabl… text/html 2011-09-28T06:09:33+0000 Anonymous (anonymous@undisclosed.example.com) http://www.lbackup.org/developer/filevault_integration?rev=1317190173&do=diff Improvements to LBackup FileVault Integration About This page contains information for LBackup developers regarding the simplification of Backup of Mac OS X FileVault users. Please note that the information on this page reefers to FileVault version one which is found in Mac text/html 2008-11-16T11:00:28+0000 Anonymous (anonymous@undisclosed.example.com) http://www.lbackup.org/developer/freenet_integration?rev=1226833228&do=diff Overview FreeNet is a distributed encrypted storage system. This page is related to using LBackup FreenetFS for backups. Approach The best approach at present is to use FUSE to mount a storage area. Then backups can either be written to this area by a backup server or by the client directly. However, it is recommended that backups are sent via a backup server. This approach will avoid the deletion of files due to a rouge process or accident. Any time you are using a client to access a backup,… text/html 2010-12-23T11:11:36+0000 Anonymous (anonymous@undisclosed.example.com) http://www.lbackup.org/developer/fusecompress?rev=1293102696&do=diff FUSECompress FUSEcompress is a possible way to reduce the storage space required for a backup set. Related Links * FUSEcompress * Data de-duplication * LBackup developer overview text/html 2016-09-06T00:34:30+0000 Anonymous (anonymous@undisclosed.example.com) http://www.lbackup.org/developer/hardware_storage_error_data_recovery?rev=1473122070&do=diff HDD Hardware Error Data Recovery If the data on your drive is important and you have not yet backed up the data, then the best thing to do is to send your drive to a data recovery professional. DriveSavers based in the USA is our recommendation ; they offer you the best chance of recovering data from your system and when your data is important working with a professional service from the start is important. Attempting to recover data yourself or letting someone less experienced may work. Howeve… text/html 2016-09-06T00:37:18+0000 Anonymous (anonymous@undisclosed.example.com) http://www.lbackup.org/developer/hardware_storage_error_detection?rev=1473122238&do=diff Drive Hardware Error Detection There are many ways of detecting hardware errors with your storage media including SMART status from a device. This page specifically focuses on using a tool to check a device for bad blocks. Tools to detect bad blocks text/html 2014-01-06T00:05:48+0000 Anonymous (anonymous@undisclosed.example.com) http://www.lbackup.org/developer/ignore_vanished_file_warnings?rev=1388966748&do=diff No Error on Vanished Files During a backup rsync may issue the following warning : rsync warning: some files vanished before they could be transferred (code 24) Depending upon what you are backing up, your backup policy and requirements, this may be a serious issue. By default LBackup marks such backups as unsuccessful. In event that you wish to have such errors ignored and the backup to be marked as successful, then there are two approaches mentioned below to achieve this result. Prior to … text/html 2008-11-08T22:59:56+0000 Anonymous (anonymous@undisclosed.example.com) http://www.lbackup.org/developer/interesting_backup_projects?rev=1226185196&do=diff Interesting Backup Projects * LBackup * Duplicity (Tutorial - Encrypted Backups) * Link-Backup (intelligently handles renames, moves, and duplicates) * Distributed Internet Backup System * rlbackup (similar to both rsnapshot and LBackup, support hard-linked snapshot file system backups) Interesting Related Projects text/html 2010-07-26T12:42:48+0000 Anonymous (anonymous@undisclosed.example.com) http://www.lbackup.org/developer/lvm_snap_shoots?rev=1280148168&do=diff LVM Snapshots LVM snapshots offer a way to backups directories / partitions which are constantly changing, while reducing the downtime of any services which use these directories / partitions. LVM Related Tools * dsnapshot (high level tool for using LVM) text/html 2012-03-14T21:38:22+0000 Anonymous (anonymous@undisclosed.example.com) http://www.lbackup.org/developer/migrating_backup_sets?rev=1331761102&do=diff Migrating Backup Sets (Mac OS X) This page is part of the developer section. As such there may be problems with this information. This page is intended to be the basis for yet to be developed backupset a migration tool, which will assist with migrating / moving backups between volumes. This tool would then be included with LBackup. text/html 2018-10-18T23:59:02+0000 Anonymous (anonymous@undisclosed.example.com) http://www.lbackup.org/developer/mounting_attached_backup_devices?rev=1539907142&do=diff Mounting Attached Devices This page is dedicated to the development of systems to mount attached devices. The hope is that this page will result in a variety of tools which will be able to assist pre and post action scripts. Related Links * Pre and Post Actions (information related to the pre and post action script system of LBackup) text/html 2009-12-03T22:30:09+0000 Anonymous (anonymous@undisclosed.example.com) http://www.lbackup.org/developer/official_ssh_agent_instructions?rev=1259879409&do=diff Developer : Instructions for Using an SSH Agent This page is somewhere to gather good instructions or to write up setup instructions for using an SSH agent on various operating systems. This document is probably going to require construction by the LBackup team. However, the following links contain tutorials or other helpful information currently available on then internet. text/html 2013-07-09T22:14:32+0000 Anonymous (anonymous@undisclosed.example.com) http://www.lbackup.org/developer/osx_automount?rev=1373408072&do=diff OS X Automount Notes Below is one approach to configuring an AFP auto mount. You should carry out the following commands as root. Note that storing passwords like this is not advised due to security implications. First create a directory for the auto mount(s). text/html 2020-05-13T09:24:42+0000 Anonymous (anonymous@undisclosed.example.com) http://www.lbackup.org/developer/overview?rev=1589361882&do=diff LBackup Developers Home Page Welcome The LBackup development process is completely open. Whether you are a developer or just interested in what is going on, you are welcome, contribute or have a look around or download the source code. Developer Topics text/html 2011-05-18T07:57:53+0000 Anonymous (anonymous@undisclosed.example.com) http://www.lbackup.org/developer/performance?rev=1305705473&do=diff LBackup Performance This page is related to performance issues relating to LBackup running on various platforms. Tuning Rsync The '--whole-file' option may speed up transfers. However, in certain circumstances it could also slow down the transfer particularly on slow WAN links. Consider as an option for a future release. text/html 2009-11-13T04:50:48+0000 Anonymous (anonymous@undisclosed.example.com) http://www.lbackup.org/developer/pre_and_post_action_tools?rev=1258087848&do=diff Pre and Post Action Tools There are plans to implement a system either within LBackup or as a separate project which will offer a variety of tools which will simplify pre and post action scripts. Essentially the goal is make the too offer a variety of cross platform tools which will allow the pre and post action scripts to also become more cross platform. If this is not possible initially. The hope is to at least offer support for common operations on some operating systems. text/html 2016-03-20T05:50:02+0000 Anonymous (anonymous@undisclosed.example.com) http://www.lbackup.org/developer/raspberry_pi?rev=1458453002&do=diff Raspberry Pi as a backup server It is possible to use a Rasberry Pi as a backup server. They may be used to pull or push backs. Please see the appropriate page(s) relating to the advantages of pull backups. Given the price points and low power requirements and small form factors, there are many reasons for using a Rasberry Pi as a backup server particularly for geo redundancy. text/html 2017-05-25T01:22:50+0000 Anonymous (anonymous@undisclosed.example.com) http://www.lbackup.org/developer/removing_core_storage_volumes_and_volume_groups?rev=1495675370&do=diff Removing Core Storage Volumes and Volume Groups If repartitioning a disk with DiskUtility is not possible using the command line and you see an error like the following : # diskutil eraseDisk jhfs+ Macintosh\ HD /dev/disk2 Unable to begin erase operation: Placing a partition map on a Core Storage logical volume is not supported (-69671) text/html 2007-12-26T07:52:42+0000 Anonymous (anonymous@undisclosed.example.com) http://www.lbackup.org/developer/restore_interfaces?rev=1198655562&do=diff Restore Interfaces * This page has a link to a video about the Tardis restore system. text/html 2008-11-14T03:59:31+0000 Anonymous (anonymous@undisclosed.example.com) http://www.lbackup.org/developer/rsync_blocksize?rev=1226635171&do=diff > ... is there a flag in rsync which can change the > default block size? man rsync says (in part): -B, --block-size=BLOCKSIZE This forces the block size used in the rsync algorithm to a fixed value. It is normally selected based on the size of each file being updated. See the technical report for details. text/html 2020-07-08T03:45:23+0000 Anonymous (anonymous@undisclosed.example.com) http://www.lbackup.org/developer/rsync_hfs?rev=1594179923&do=diff Compiling Rsync with Resource Fork Support This page contains resource links and information for compiling rsync to support resource forks on Mac OS X systems. If you have instructions on building an rsync binary which includes HFS+ suport then please submit a link to your instructions on this page. If you do not have somewhere to host your instructions then either text/html 2008-10-25T02:04:13+0000 Anonymous (anonymous@undisclosed.example.com) http://www.lbackup.org/developer/rsyncrypto?rev=1224900253&do=diff rsyncrypto Below is information relating to how rsynccrypto support may be able to be added to LBackup. The purpose of this page is to allow LBackup developers to make moves to integrate support for rsyncrypto into the LBackup project. Related Links text/html 2012-07-18T02:23:38+0000 Anonymous (anonymous@undisclosed.example.com) http://www.lbackup.org/developer/sort_term_road_map?rev=1342578218&do=diff Short Term LBackup Project Road Map 0.9.8r1 Released Monday 14th September 2009 * Improve the defaults so that a basic configuration file will be simpler to setup * Look at a locking system for when the backup is taking place * Bundle a post hook script which will generate accurate date and time symbolic links to backup sections. text/html 2009-02-02T23:39:52+0000 Anonymous (anonymous@undisclosed.example.com) http://www.lbackup.org/developer/speed_improvements?rev=1233617992&do=diff Reducing Backup Times * Recompile SSH (Needs further investigation) * rsync blocksize * rsync documentation regarding the re-coping of files modification times and file system file name storage (eg Mac OS X UTF-8 character sets) text/html 2009-05-13T01:35:22+0000 Anonymous (anonymous@undisclosed.example.com) http://www.lbackup.org/developer/version_management?rev=1242178522&do=diff LBackup Source Code Version Management This page is dedicated to looking at moving the source code into a git repository. Hopefully, this page will soon be updated with details so you can clone the latest Lucid build. If you are willing to deal with the minor issues relating to AppleScript and git then please text/html 2015-02-19T11:11:37+0000 Anonymous (anonymous@undisclosed.example.com) http://www.lbackup.org/developer/vmware_fusion_virtual_machine_backup?rev=1424344297&do=diff Backup of VMWare Fusion Virtual Machines If you are backing up a VMWare Fusion virtual machine, you should snapshot, suspend or best of all shutdown (shutdown is recommended by VMWARE) the machine, before running the backup. Then once the backup has finished if you have shutdown or suspended the virtual machine you may start the virtual machine. Below are some helpful commands (as well as some links) for doing this on Mac text/html 2010-04-16T21:10:04+0000 Anonymous (anonymous@undisclosed.example.com) http://www.lbackup.org/developer/vulnerabilities?rev=1271452204&do=diff Vulnerabilities rsync mailing list > Could attacker X on remoteserver alter the rsync binary in such a way > so it can traverse and change or read arbitrary files on localserver? > Does running above command execute remote code or give remoteserver > any kind of system access to localserver (does the ssh tunnel work both ways???) > or is it "pumping" data through a dumb pipe just like for example rsync > over a samba share would and leaving all control to local? You are wise to ask this q… text/html 2010-12-13T21:56:04+0000 Anonymous (anonymous@undisclosed.example.com) http://www.lbackup.org/developer/zfs_snap_shoots?rev=1292277364&do=diff ZFS Snapshots Helpful Links * Latest ZFS download for Mac OS X : <http://code.google.com/p/maczfs/downloads/list>