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• Optimistic non-locking copy of InnoDB .frm files

  - by jothir

  MySQL Enterprise Backup(MEB) does hot backup of innodb data and log files. Till MEB 3.6.1, the user backs up the only innodb tables in a 3 step process: STEP 1. Take backup using --only-innodb option STEP 2. Temporarily make the table read only by executing “FLUSH TABLES WITH READ LOCK” MEB 3.7.0 has an enhancement to innodb file copying. The .frm files gets copied along with the hot backup done for innodb files. I would like to make the blog a little interactive by explaining the feature as answers: 1. What are these .frm files? The files containing the metadata, such as the table definition, of a MySQL table. For backups, the full set of .frm files are always required along with the backup data, to be able to restore tables that are altered or dropped after the backup. 2. Can the .frm files not be copied by MEB itself? --only-innodb-with-frm is the new option introduced in MEB 3.7.1 to do a copy of .frm files without locking the tables during backup operation itself. This is to reduce the pain of manually copying the .frm files. The option is intended for backups where you can ensure that no ALTER TABLE, CREATE TABLE, DROP TABLE, or other DDL statements modify the .frm files for InnoDB tables during the backup operation. 3. How is data consistency ensured? MEB does validation of the .frm files after copying by comparing with the server directory to see if the timestamps of any of the .frm files is greater than the saved system time (check .frm time).  This change in timestamp of the .frm files will show if a table is altered during the process of backup. The total number of frm files in the server directory is also verified against the copied contents. If the number of .frm files is less compared to server directory, it shows that table/tables have been dropped during the process of backup. If the number of .frm files is more compared to server directory, it shows that new table/tables have been created during backup operation. 4. How does MEB handle data inconsistency? MEB copies the .frm files through several iterations,  does the validation and throws a WARNING if there is any inconsistency found in .frm files at the end of backup operation. This means the user is warned of some DDL operations that had occurred during backup operation, and has to manually copy the .frm files or do a backup again. 5. What is the option and explain its usage? The option introduced is --only-innodb-with-frm which does optimistic copy of .frm files without locking. This can be used when the user wants to backup only innodb tables along with .frm files. The option can take one of the 2 values: all | related. --only-innodb-with-frm=all does copy of all .frm files of all innodb tables. --only-innodb-with-frm=related works in conjunction with --include option.This is to allow partial backup of .frm files corresponding to the tables specified in --include. Let me show the usage with example output: ./mysqlbackup -uroot --backup-dir=/logs/backupWithFrmAll --only-innodb-with-frm=all backup MySQL Enterprise Backup version 3.7.1 [2012/06/05] Copyright (c) 2003, 2012, Oracle and/or its affiliates. All Rights Reserved. INFO: Starting with following command line ... ./mysqlbackup -uroot --backup-dir=/logs/backupWithFrmAll        --only-innodb-with-frm=all backup INFO: Got some server configuration information from running server. IMPORTANT: Please check that mysqlbackup run completes successfully.            At the end of a successful 'backup' run mysqlbackup            prints "mysqlbackup completed OK!". --------------------------------------------------------------------                       Server Repository Options: --------------------------------------------------------------------  datadir                          =  /mysql/trydb/  innodb_data_home_dir             =    innodb_data_file_path            =  ibdata1:10M:autoextend  innodb_log_group_home_dir        =  /mysql/trydb/  innodb_log_files_in_group        =  2  innodb_log_file_size             =  5242880 --------------------------------------------------------------------                       Backup Config Options: --------------------------------------------------------------------  datadir                          =  /logs/backupWithFrmAll/datadir  innodb_data_home_dir             =  /logs/backupWithFrmAll/datadir  innodb_data_file_path            =  ibdata1:10M:autoextend  innodb_log_group_home_dir        =  /logs/backupWithFrmAll/datadir  innodb_log_files_in_group        =  2  innodb_log_file_size             =  5242880 mysqlbackup: INFO: Unique generated backup id for this is 13451979804504860 mysqlbackup: INFO: Uses posix_fadvise() for performance optimization. mysqlbackup: INFO: System tablespace file format is Antelope. mysqlbackup: INFO: Found checkpoint at lsn 1656792. mysqlbackup: INFO: Starting log scan from lsn 1656320. 120817 15:36:22 mysqlbackup: INFO: Copying log... 120817 15:36:22 mysqlbackup: INFO: Log copied, lsn 1656792.          We wait 1 second before starting copying the data files... 120817 15:36:23 mysqlbackup: INFO: Copying /mysql/trydb/ibdata1 (Antelope file format). 120817 15:36:23 mysqlbackup: INFO: Copying /mysql/trydb/innodb1/table2.ibd (Antelope file format). 120817 15:36:23 mysqlbackup: INFO: Copying /mysql/trydb/innodb1/table3.ibd (Antelope file format). 120817 15:36:23 mysqlbackup: INFO: Copying /mysql/trydb/innodb1/table1.ibd (Antelope file format). mysqlbackup: INFO: Opening backup source directory '/mysql/trydb/' 120817 15:36:23 mysqlbackup: INFO: Starting to backup .frm files in the subdirectories of /mysql/trydb/ mysqlbackup: INFO: Copying innodb data and logs during final stage ... mysqlbackup: INFO: A copied database page was modified at 1656792.          (This is the highest lsn found on page)          Scanned log up to lsn 1656792.          Was able to parse the log up to lsn 1656792.          Maximum page number for a log record 0 mysqlbackup: INFO: Copying non-innodb files took 2.000 seconds 120817 15:36:25 mysqlbackup: INFO: Full backup completed! mysqlbackup: INFO: Backup created in directory '/logs/backupWithFrmAll' -------------------------------------------------------------   Parameters Summary          -------------------------------------------------------------   Start LSN                  : 1656320   End LSN                    : 1656792 ------------------------------------------------------------- mysqlbackup completed OK! bash$ ls /logs/backupWithFrmAll/datadir/innodb1/ table1.frm  table1.ibd  table2.frm  table2.ibd  table3.frm  table3.ibd Here the backup directory contains all the .frm files of all the innodb tables. ./mysqlbackup -uroot --backup-dir=/logs/backupWithFrm --include="innodb1.table3.*" --only-innodb-with-frm=related backup MySQL Enterprise Backup version 3.7.1 [2012/06/05] Copyright (c) 2003, 2012, Oracle and/or its affiliates. All Rights Reserved. INFO: Starting with following command line ... ./mysqlbackup -uroot --backup-dir=/logs/backup371frm        --include=innodb1.table3.* --only-innodb-with-frm=related backup INFO: Got some server configuration information from running server. IMPORTANT: Please check that mysqlbackup run completes successfully.            At the end of a successful 'backup' run mysqlbackup            prints "mysqlbackup completed OK!". --------------------------------------------------------------------                       Server Repository Options: --------------------------------------------------------------------  datadir                          = /mysql/trydb/  innodb_data_home_dir             =    innodb_data_file_path            =  ibdata1:10M:autoextend  innodb_log_group_home_dir        =  /mysql/trydb  innodb_log_files_in_group        =  2  innodb_log_file_size             =  5242880 --------------------------------------------------------------------                       Backup Config Options: --------------------------------------------------------------------  datadir                          =  /logs/backupWithFrm/datadir  innodb_data_home_dir             =  /logs/backupWithFrm/datadir  innodb_data_file_path            =  ibdata1:10M:autoextend  innodb_log_group_home_dir        =  /logs/backupWithFrm/datadir  innodb_log_files_in_group        =  2  innodb_log_file_size             =  5242880 mysqlbackup: INFO: Unique generated backup id for this is 13451973458118162 mysqlbackup: INFO: Uses posix_fadvise() for performance optimization. mysqlbackup: INFO: The --include option specified: innodb1.table3.* mysqlbackup: INFO: System tablespace file format is Antelope. mysqlbackup: INFO: Found checkpoint at lsn 1656792. mysqlbackup: INFO: Starting log scan from lsn 1656320. 120817 15:25:47 mysqlbackup: INFO: Copying log... 120817 15:25:47 mysqlbackup: INFO: Log copied, lsn 1656792.          We wait 1 second before starting copying the data files... 120817 15:25:48 mysqlbackup: INFO: Copying /mysql/trydbibdata1 (Antelope file format). 120817 15:25:49 mysqlbackup: INFO: Copying /mysql/trydbinnodb1/table3.ibd (Antelope file format). mysqlbackup: INFO: Opening backup source directory '/mysql/trydb' 120817 15:25:49 mysqlbackup: INFO: Starting to backup .frm files in the subdirectories of /mysql/trydb mysqlbackup: INFO: Copying innodb data and logs during final stage ... mysqlbackup: INFO: A copied database page was modified at 1656792.          (This is the highest lsn found on page)          Scanned log up to lsn 1656792.          Was able to parse the log up to lsn 1656792.          Maximum page number for a log record 0 mysqlbackup: INFO: Copying non-innodb files took 2.000 seconds 120817 15:25:51 mysqlbackup: INFO: Full backup completed! mysqlbackup: INFO: Backup created in directory '/logs/backupWithFrm' -------------------------------------------------------------   Parameters Summary          -------------------------------------------------------------   Start LSN                  : 1656320   End LSN                    : 1656792 ------------------------------------------------------------- mysqlbackup completed OK! bash$ ls /logs/backupWithFrm/datadir/innodb1/ table3.frm table3.ibd Thus the backup directory contains only the .frm file matching the innodb table name specified in --include option. In a nutshell, we present our great new option --only-innodb-with-frm which is a true hot InnoDB-only backup with .frm files, but with an additional check, if any DDL happened during the backup. If a DDL has happened, the DBA can decide if to repeat the backup, or to live with the potential inconsistency. This is the ideal solution for users that have all their "real" data in InnoDB and seldom change their schemas. You may also like: http://dev.mysql.com/doc/mysql-enterprise-backup/3.7/en/backup-partial-options.html   STEP 3. Manually copy the .frm files of innodb tables to the destination directory where backup is stored.

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• Export all SSIS packages from msdb using Powershell

  - by jamiet

  Have you ever wanted to dump all the SSIS packages stored in msdb out to files? Of course you have, who wouldn’t? Right? Well, at least one person does because this was the subject of a thread (save all ssis packages to file) on the SSIS forum earlier today. Some of you may have already figured out a way of doing this but for those that haven’t here is a nifty little script that will do it for you and it uses our favourite jack-of-all tools … Powershell!!   Imagine I have the following package folder structure on my Integration Services server (i.e. in [msdb]): There are two packages in there called “20110111 Chaining Expression components” & “Package”, I want to export those two packages into a folder structure that mirrors that in [msdb]. Here is the Powershell script that will do that:   Param($SQLInstance = "localhost") #####Add all the SQL goodies (including Invoke-Sqlcmd)##### add-pssnapin sqlserverprovidersnapin100 -ErrorAction SilentlyContinue add-pssnapin sqlservercmdletsnapin100 -ErrorAction SilentlyContinue cls $Packages = Invoke-Sqlcmd -MaxCharLength 10000000 -ServerInstance $SQLInstance -Query "WITH cte AS ( SELECT cast(foldername as varchar(max)) as folderpath, folderid FROM msdb..sysssispackagefolders WHERE parentfolderid = '00000000-0000-0000-0000-000000000000' UNION ALL SELECT cast(c.folderpath + '\' + f.foldername as varchar(max)), f.folderid FROM msdb..sysssispackagefolders f INNER JOIN cte c ON c.folderid = f.parentfolderid ) SELECT c.folderpath,p.name,CAST(CAST(packagedata AS VARBINARY(MAX)) AS VARCHAR(MAX)) as pkg FROM cte c INNER JOIN msdb..sysssispackages p ON c.folderid = p.folderid WHERE c.folderpath NOT LIKE 'Data Collector%'" Foreach ($pkg in $Packages) { $pkgName = $Pkg.name $folderPath = $Pkg.folderpath $fullfolderPath = "c:\temp\$folderPath\" if(!(test-path -path $fullfolderPath)) { mkdir $fullfolderPath | Out-Null } $pkg.pkg | Out-File -Force -encoding ascii -FilePath "$fullfolderPath\$pkgName.dtsx" }   To run it simply change the “localhost” parameter of the server you want to connect to either by editing the script or passing it in when the script is executed. It will create the folder structure in C:\Temp (which you can also easily change if you so wish – just edit the script accordingly). Here’s the folder structure that it created for me: Notice how it is a mirror of the folder structure in [msdb]. Hope this is useful! @Jamiet

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• Command 'setenv' not found upon installation of Crystal09 program

  - by Geninho

  Command 'setenv' not found I use ubuntu 11.04 I tried to install the program "Crystal09" and in the tutorial asks you to copy the file cry2k9.cshrc to the home directory. I copied the file, but when I do the command "source cry2k9.cshrc" (which is the installation tutorial) the following error appears (This error message is in Portuguese-br): (Translated :edit) Command 'setenv' not found, did you mean: Command 'netenv' package 'netenv' (universe) setenv: command not found Command 'setenv' not found, did you mean: Command 'netenv' package 'netenv' (universe) setenv: command not found CRY2K9_SCRDIR - scratch directory (integrals and temp files): CRY2K9_EXEDIR - directory with crystal executables: CRY2K9_UTILS - running scripts and misc: /runcry09, runprop09 CRY2K6_GRA - graphical scripts: /maps06, doss06, band06 CRY2K9_TEST - directory with test cases:

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• 403 error on index file

  - by John L.

  When I try to access index.py in my server root through http://domain/, I get a 403 Forbidden error, but when I can access it through http://domain/index.py. In my server logs it says "Options ExecCGI is off in this directory: /var/www/index.py". However, my httpd.conf entry for that directory is the same as the ones for other directories, and getting to index.py works fine. My permissions are set to 755 for index.py. I also tried making a php file and naming it index.php, and it works from both domain/ and domain/index.php. Here is my httpd.conf entry: <Directory /var/www> Options Indexes Includes FollowSymLinks MultiViews AllowOverride All Order allow,deny Allow from all AddHandler cgi-script .cgi AddHandler cgi-script .pl AddHandler cgi-script .py Options +ExecCGI DirectoryIndex index.html index.php index.py </Directory> Thanks

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• Change location of RSS Dynamic Desktops

  - by Andy

  I'm currently using CCleaner to take care of my computer, but I also have a dynamic desktop background provided by Bing (I'm running Windows 7 HP) - and unfortunately the two conflict. Whenever I 'clean' my computer using CCleaner it messes up my destop backgrounds as they are stored in the temporary internet files directory, and for some reason I don't appear to be able to get as far as the 'Enclosures' sub directory in order to tell CCleaner to exclude the directory (I can see it in Windows Explorer but not in CCleaner's directory browser). Therefore, I am looking for an alternative solution to this problem and wondered if I could change the directory to which the images were downloaded on the RSS feed. If anybody knows how to do this, I would be grateful if you could share or indeed, I would be equally as greatful if anyone knows any other ways of getting around CCleaner. Please note that I don't want to stop cleaning the whole of my temporary internet files though - I just don't want the wallpapers that have been downloaded to be deleted... Thanks in advance!

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• My Rhythmbox plugin can't meet the Ubuntu Software Center "my-app" requirements

  - by allquixotic

  At http://developer.ubuntu.com/publish/my-apps-packages/ the following technical requirements are cited: Technical requirements In order for your application to be distributed in the Software Centre it must: Be in one, self-contained directory when installed Be able to be installed into the /opt/ directory (*) Be executable by all users from the /opt/ directory (**) Write all configuration settings to ~/.config/ (This can be one file or a directory containing multiple configuration files) A Rhythmbox plugin cannot satisfy any of these requirements. Rhythmbox has compiled-in locations where it looks for installed plugins. So, is there no way for me to publish my app in Ubuntu Software Center? Would it have to go into Universe repository (which would require tremendously more work and political maneuvering to get it accepted)? I already have all the Debian package infrastructure built for it, so I have made a PPA for it.

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• recover data in linux removed with rm

  - by user3717896

  Today i deleted my home directory (in wrong action) with: sudo rm -rf * And when i use extundelete i get this message: root@ubuntu:~# sudo extundelete --restore-directory /home/hamed/ /dev/sda2WARNING: Extended attributes are not restored. Loading filesystem metadata ... 746 groups loaded. Loading journal descriptors ... 29931 descriptors loaded. Searching for recoverable inodes in directory /home/hamed/ ... 498 recoverable inodes found. Looking through the directory structure for deleted files ... 498 recoverable inodes still lost. No files were undeleted. why it can't recover? Anyone can help me to return my Desktop, Documents and etc? I have ubuntu 14.04.

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• Makefile fails to install file correctly, installing HPL

  - by zarose

  I started installing HPL a while ago, and had a related question. I've been following along with this guide from Intel. I figure this warrants a whole new one. When I try to make the archive, the output seems fine until the end, where it gives an error. make[2]: Entering directory `/hpl-2.0/src/auxil/intel64' Makefile:47: Make.inc: No such file or directory make[2]: *** No rule to make target `Make.inc'. Stop. make[2]: Leaving directory `/hpl-2.0/src/auxil/intel64' make[1]: *** [build_src] Error 2 make[1]: Leaving directory `/hpl-2.0' make: *** [build] Error 2 Going to the directory /hpl-2.0/src/auxil/intel64 shows a file, "Make.inc", but it's highlighted red, and the white text blinks. Is there a way to manually make that file? What do I need to do to get the makefile to do this for me?

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• Some files not copied when moving an encrypted home to a different partition

  - by Jon Herrin

  I have "successfully" moved my encrypted home to a separate partition using the instructions here: How can i move an encrypted home directory to another partition? However, some files are not being copied over. Most notably, I have a directory in my old home that contains the themes I use. This directory and it's contents are not copied over to the new home and therefore I come up with the default theme. Permissions on the directory that was not moved are identical to the other directories in home. Another discrepancy is that my Dropbox folder came over empty and had to resync itself. My concern is what else might be missing from the copied home. At this point, I've flipped back to the old home by re-editing /etc/fstab, but I'd really like to get /home cleanly and completely off of root without having to core the system.

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• WSUS setup on ADS Domain Controller VM

  - by NickC

  How should I setup sharing/directory permissions to allow the following to work: VMHost - Hyper-V partition (not part of domain) ADServer - Active Directory Domain Controller running as guest VM on VMHost \VMHost\Updates disk share for WSUS to put the updates and other local files Problem is what permissions do I need to give to \VMHost\Updates to allow WSUS to work with this directory to avoid "The WSUS content directory is not accessible" error which I am currently seeing. As far as I can tell WSUS runs as "domain/Network Service" account. Question is without adding VMHost to the domain how do I give that user appropriate permissions to this directory? Is there a way that VMHost can be told to trust ADServer and then be able to use users accounts from there? Sort of relates to my other post here: Win 2012 Domain controller VM, should the Hyper-V host be part of the domain? Thanks, Nick

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• Files inside Alias folder not accessible

  - by John Isaacks

  In my apache2.conf I have an alias setup like this: Alias /cake/ /var/www-cake/repo <Directory /var/www-cake/repo> Order allow,deny Allow from all AllowOverride All Options +Indexes </Directory> inside the /var/www-cake/repo directory I just have 1 file that is index.php when I go to http://linux-server/cake/ I get a directory listing that shoes the index.php file. When I click on the file it takes me to http://linux-server/cake/index.php in which I get a 404 page not found error. What do I need to do to make the files accessible?

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• Installing a program on Linux: providing a short command

  - by rwallace

  Suppose you're distributing a program to run on Linux, call it Foo, and the program executable is called foo.exe (because it's a CLR program so it runs under Mono) and it needs a couple of DLLs in the same directory and maybe a later version might need some data files that it reads on startup and whatever, so relocating it to a global bin directory is a bit of hassle and it really prefers to remain in its original directory... But the user would prefer to invoke the program by typing foo instead of mono /path/to/foo.exe. What's the best/most usual way to provide such a short command? Can/should an install script/makefile create a one line script called foo that invokes the full path, and put the one line script in a global bin directory? If so, what should be the target bin directory, and are there any directions about exactly how to do this? Or is there a preferred alternative?

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• Why don't I have a loop error with these redirects?

  - by byronyasgur

  I know this may seem a bit of a question in reverse, but I actually don't seem to have a problem I just want to make sure before I proceed. I have 2 domains domain1.com and domain2.com and a directory my_directory at domain2.com. I have domain2.com setup as an "add on domain" in the cpanel account of domain1.com so that when I go to domain2.com I am taken to domain1.com/my_directory but the browser shows domain2.com in the addressbar so it looks and acts like and is a separate site. However when people browse to domain1.com/directory I want the address bar to show domain2.com not domain1.com/directory. So I put a redirect in the htaccess file to redirect domain1.com/directory to domain2.com and it works perfectly, but I think it shouldnt and I'm worried I've done something wrong. My question is this: domain2.com was already redirected to domain1.com/directory in the first place (I see the redirect in my cpanel under addon domains) so by adding the second redirect in the htaccess file I should be creating a loop! Could somebody please set my mind at rest and show me why not?

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• locale: Reset lost settings

  - by Adam Matan

  Due to some strange reason, I've lost some of my locale settings. I've managed to restore most of them using sudo dpkg-reconfigure locales: perl: warning: Setting locale failed. perl: warning: Please check that your locale settings: LANGUAGE = (unset), LC_ALL = (unset), LANG = "en_US.UTF-8" are supported and installed on your system. perl: warning: Falling back to the standard locale ("C"). locale: Cannot set LC_MESSAGES to default locale: No such file or directory locale: Cannot set LC_ALL to default locale: No such file or directory So I'm stuck with one missing value: $ locale locale: Cannot set LC_MESSAGES to default locale: No such file or directory locale: Cannot set LC_ALL to default locale: No such file or directory LANG=en_US.UTF-8 LC_CTYPE="en_US.UTF-8" LC_NUMERIC="en_US.UTF-8" LC_TIME="en_US.UTF-8" LC_COLLATE="en_US.UTF-8" LC_MONETARY="en_US.UTF-8" LC_MESSAGES="en_US.UTF-8" LC_PAPER="en_US.UTF-8" LC_NAME="en_US.UTF-8" LC_ADDRESS="en_US.UTF-8" LC_TELEPHONE="en_US.UTF-8" LC_MEASUREMENT="en_US.UTF-8" LC_IDENTIFICATION="en_US.UTF-8" LC_ALL= Any idea how to restore them all? Thanks, Adam

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• Grep through subdirectories

  - by Kathryn

  Add a string to a text file from terminal I've been looking at this thread. The solution (number 2, with ls | grep) works perfectly for files called .txt in the current directory. How about if I wanted to search through a directory and the subdirectories therein? For example, I have to search through a directory that has many subdirectories, and they have many subdirectories etc. I'm new to Linux sorry, so I'm not sure if this is the right place

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• ACL and moving files in Nautilus

  - by MyOnlyEye

  When I move files from a private home directory (e.g. /home/jack) to a shared directory (e.g. /home/shared-school) Nautilus copies the file permissions from the original file into the shared directory - and ignores the ACL that I've put in the /home/shared-school directory (e.g. setfacl -R -m d:g:school:rwx /home/shared-school). Is it possible to force Nautilus to change ACL on a file that is moved or copied - or not to ignore the ACL on the directory where the files are moved or copied?

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• Can't pipe or redirect cygwin grep output

  - by Thomas

  How do I get grep to work properly in a regular cmd.exe? > grep -o 'ProductVersion\".*\".*\"' foo.txt | grep -o '[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+' foo.txt:ProductVersion" Value="59.59.140.59" grep: |: No such file or directory grep: grep: No such file or directory grep: [0-9]+\.[0-9]+\.[0-9]+\.[0-9]+: No such file or directory and > grep -o 'ProductVersion\".*\".*\"' foo.txt >> blah.txt foo.txt:ProductVersion" Value="59.59.140.59" grep: >>: No such file or directory grep: blah.txt: No such file or directory

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• tar: How to create a tar file with arbitrary leading directories w/o 'cd'ing to parent dir

  - by Yan

  Say I have a directory of files at /home/user1/dir1 and I want to create a tar with only "dir1" as the leading directory: /dir1/file1 /dir1/file2 I know I can first cd to the directory cd /home/user1/ tar czvf dir1.tar.gz dir1 But when writing scripts, jumping from directory to directory isn't always favorable. I am wondering is there a way to do it with absolute paths without changing current directories? I know I can always create a tar file with absolute paths INSIDE and use --strip-components when extracting but sometimes extra path names are extra private information that you don't want to distribute with your tar files. Thanks!

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• Finding header files

  - by rwallace

  A C or C++ compiler looks for header files using a strict set of rules: relative to the directory of the including file (if "" was used), then along the specified and default include paths, fail if still not found. An ancillary tool such as a code analyzer (which I'm currently working on) has different requirements: it may for a number of reasons not have the benefit of the setup performed by a complex build process, and have to make the best of what it is given. In other words, it may find a header file not present in the include paths it knows, and have to take its best shot at finding the file itself. I'm currently thinking of using the following algorithm: Start in the directory of the including file. Is the header file found in the current directory or any subdirectory thereof? If so, done. If we are at the root directory, the file doesn't seem to be present on this machine, so skip it. Otherwise move to the parent of the current directory and go to step 2. Is this the best algorithm to use? In particular, does anyone know of any case where a different algorithm would work better?

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• gnome-file-share-properties doesn't work

  - by Riccardo Magrini

  I've configured gnome-file-share-properties on all my Ubuntu's PC for sharing the directory Public to each other. I following some guide found on Internet for the configuration of it, all explain the same procedure but in my case I don't see any Public directory shared with the PC. Following this link http://library.gnome.org/users/gnome-user-share/stable/gnome-user-share-getting-started.html.en I'd see the directory Public plus the name of PC that shares its directory on Nautilus Places. In my case I don't see anything, therefore on the Network place see all the machines 'n if I try to click on one receive this: "DBus error org.freedesktop.DBus.Error.NoReply: Message did not receive a reply (timeout by message bus)" note: I don't want to use Samba because I've all Ubuntu PC, and the firewall is disabled on all PC.

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• "Reverse" encryption? - EncFS the other way around?

  - by stwissel

  Currently I'm using EncFS to encrypt my directory "confidential" to ".encconfidential" and sync that encrypted directory using an online service (e.g. Dropbox, UbuntuOne etc). However my entire disk is already LUKS encrypted, so the double encryption takes a toll on performance. I wonder is there an "inverted" EncFS option? An unencrypted directory gets mounted and in the mounted directory you only see encrypted files. So I could work with the unencrypted documents while the sync tool sees and read/writes the encrypted files only.

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• Azure Full trust permissions

  - by kaleidoscope

  Under Windows Azure full trust, your role has access to a variety of system resources that are not available under partial trust File System Resources A role running in Windows Azure has permissions to read and write to certain file, directory, and volume resources on the server. These permissions are outlined in the following table.  File system resource Permission System root directory No access Subdirectories of the system root directory No access Windows directory Read access only Machine configuration files No access Service configuration file Read access only Local storage resource Full access Registry Resources The following table outlines permissions available to the role when accessing the registry while running in Windows Azure. HKEY_CLASSES_ROOT Read access HKEY_CURRENT_USER No access HKEY_LOCAL_MACHINE Read access HKEY_USERS Read access HKEY_CURRENT_CONFIG Read access More details can be found at: http://msdn.microsoft.com/en-us/library/dd573363.aspx   Amit, S

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• NFS share access - Permission denied

  - by rgngl

  I'm trying to share a directory on my NAS device(WD Mybook WE) with NFS to another machine on my local network. The directory on the NAS device looks like this: drwxr-x--- 15 git git 4096 Nov 17 01:05 git/ And id's of the user git on the NAS device is like this: [root@myhost DataVolume]# id git uid=505(git) gid=505(git) I played with many different parameters in the /etc/exports file and this is what I got there currently: /DataVolume/git 192.168.0.20(async,rw,no_root_squash,no_subtree_check) On the client side I have the user git and group git with the same id's to match the ones on the server. user@myclient:~$ id git uid=505(git) gid=505(git) groups=505(git) I mount the directory with: sudo mount myhost:/DataVolume/git -t nfs git/ and the mounted directory looks like: drwxr-x--- 15 git git 4096 Nov 17 01:05 git After these steps I can't seem to cd to that directory with any user, including git and root. I am getting a Permission denied error. Thanks in advance for any help.

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• 10.04 wont boot after power outage

  - by Pat

  After unexpected power outage 10.04 won't boot, the following message appears mount: mounting /dev/disk/by-uuid/***************************** on /root failed: Invalid argument mount: mounting /sys on /root/sys failed: No such file or directory mount: mounting /dev on /root/dev failed: No such file or directory mount: mounting /sys on /root/sys failed: No such file or directory mount: mounting /proc on /root/proc failed: No such file or directory Target file system doesn't have /sbin/init No init found. Try passing init= bootarg Busybox v1.13.3 (Ubuntu 1:1.13.3-1ubuntu7) built-in shell (ash) Enter 'help' for a list of built-in commands (initramfs) _ I have tried rebooting from a liveCD but it wont boot and I cannot open a terminal to try to fix it by sudo fdisk -l as recommended on other posts. Any help would be greatly appreciated

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• Installing HTK Error

  - by Alex Madill

  I am having an issue when I try and make the file, ./configure worked perfectly fine for me when I try and make: zodiac@Zodiac:~/Downloads/htk$ make all (cd HTKTools && make all) \ || case "" in *k*) fail=yes;; *) exit 1;; esac; make[1]: Entering directory `/home/zodiac/Downloads/htk/HTKTools' make[1]: Nothing to be done for `all'. make[1]: Leaving directory `/home/zodiac/Downloads/htk/HTKTools' (cd HLMTools && make all) \ || case "" in *k*) fail=yes;; *) exit 1;; esac; make[1]: Entering directory `/home/zodiac/Downloads/htk/HLMTools' make[1]: Nothing to be done for `all'. make[1]: Leaving directory `/home/zodiac/Downloads/htk/HLMTools' Thanks in advance

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