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  • Should I switch to Linux for development?

    - by Alex
    Is there any advantage to use a Linux machine to develop instead of Windows? Everyone at work tells me to switch to Linux, since I'm developing hard-core on linux anyway. I manage 40 servers, and do everything from DB to data-backend to developing web services. I don't find anything wrong with Putty. I"m just too lazy to install another OS... What do you guys think?

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  • Mysql replication, Slow resyncing of slave after an error

    - by James Hackett
    I have a slave that got an error about a months or so ago and got way behind the master. I fixed the error and now playing catchup with the master but its going very slowly. Its going at 1.3x real time. I was using less that 10% of the db resources when these writes were first happening so the speed of the server shouldn't be an issue. Is there any settings I can switch to help the slave catch up with the master?

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  • Bind can only work for the DNS server inside zone

    - by Bob
    I got a big problem when I added a new zone to my current Bind configuration. ===============/etc/named.conf=============== include "/etc/rndc.key"; controls { inet 127.0.0.1 port 953 allow { 127.0.0.1; } keys { "rndckey"; }; }; acl "trusted" { 127.0.0.1; 208.43.81.157; 69.4.236.88; }; options { directory "/var/named"; allow-query { any; }; recursion yes; allow-recursion { trusted; }; }; zone "." { type hint; file "root.hints"; }; zone "2comu.com" { type master; file "2comu.com.db"; allow-update { none; }; }; zone "usa-diamond.com" { type master; file "usa-diamond.com.db"; allow-update { none; }; }; ===============/var/named/2comu.com.db=============== $TTL 86400 @ IN SOA ns1.2comu.com. root.2comu.com. ( 2011011101 3600 300 3600000 3600 ) IN NS ns1.2comu.com. IN NS ns2.2comu.com. IN MX 10 email.2comu.com. ns1.2comu.com. IN A 208.43.81.157 ns2.2comu.com. IN A 69.4.236.88 www.2comu.com. IN A 208.43.81.157 ftp.2comu.com. IN A 208.43.81.157 email.2comu.com. IN A 208.43.81.157 ===============/var/named/usa-diamond.com=============== $TTL 86400 @ IN SOA ns1.2comu.com. root.usa-diamond.com. ( 2011011115 3600 300 3600000 3600 ) IN NS ns1.2comu.com. IN NS ns2.2comu.com. www.usa-diamond.com. IN A 208.43.81.157 ================================================================ All of the configurations inside domain 2comu.com work well. But when www.usa-diamond.com doesn't work at all. When I tried "dig +trace www.usa-diamond.com", I got the following message ================================================================ ; <<>> DiG 9.3.6-P1-RedHat-9.3.6-4.P1.el5_4.2 <<>> +trace usa-diamond.com ;; global options: printcmd . 517603 IN NS c.root-servers.net. . 517603 IN NS d.root-servers.net. . 517603 IN NS e.root-servers.net. . 517603 IN NS f.root-servers.net. . 517603 IN NS g.root-servers.net. . 517603 IN NS h.root-servers.net. . 517603 IN NS i.root-servers.net. . 517603 IN NS j.root-servers.net. . 517603 IN NS k.root-servers.net. . 517603 IN NS l.root-servers.net. . 517603 IN NS m.root-servers.net. . 517603 IN NS a.root-servers.net. . 517603 IN NS b.root-servers.net. ;; Received 500 bytes from 208.43.81.157#53(208.43.81.157) in 0 ms com. 172800 IN NS j.gtld-servers.net. com. 172800 IN NS d.gtld-servers.net. com. 172800 IN NS e.gtld-servers.net. com. 172800 IN NS i.gtld-servers.net. com. 172800 IN NS f.gtld-servers.net. com. 172800 IN NS m.gtld-servers.net. com. 172800 IN NS b.gtld-servers.net. com. 172800 IN NS k.gtld-servers.net. com. 172800 IN NS l.gtld-servers.net. com. 172800 IN NS c.gtld-servers.net. com. 172800 IN NS h.gtld-servers.net. com. 172800 IN NS a.gtld-servers.net. com. 172800 IN NS g.gtld-servers.net. ;; Received 505 bytes from 192.33.4.12#53(c.root-servers.net) in 3 ms usa-diamond.com. 172800 IN NS ns1.2comu.com. usa-diamond.com. 172800 IN NS ns2.2comu.com. ;; Received 107 bytes from 192.48.79.30#53(j.gtld-servers.net) in 177 ms ;; Received 33 bytes from 208.43.81.157#53(ns1.2comu.com) in 0 ms ========================================================================= It seems I can't get any answer from ns1.2comu.com. Can anyone give some suggestions? Thanks a lot. Bob

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  • Out of memory error while uploading file into a blob

    - by stacker
    I received a out of memory error SQL Error: 0, SQLState: 53200 from postgres while trying to upload a 10MB file into a single row with a column of blob-type bytea. Which configuration parameters should be changed to allow inserts of this size, or should this work out of the box without modifications? Is there an option like in informix-db to create so called blob-spaces?

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  • creating tables on remote database

    - by raj
    I created a database link using database link. create public database link REMOTEDB connect to REMOTEUSER identified by REMOTEPWD using 'REMOTEDB'; then i create a table in remote db like, create table MYTABLE@REMOTEDB (name varchar2(20))); It says, ORA-02021 DDL operations are not allowed on| a remote database.. Will this Not work on any cost, or am i just missing some permissions to create ?

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  • Sharepoint Discussion Board w/ attachments expiration

    - by Mike
    I want to set a retention policy (DB Settings - Information Management Policy Settings) on a discussion board, but does the attachment get deleted as well? Also, I have a discussion board retention policy right now that isn't working properly. The criteria is: Last Updated + 30 days Delete There are plenty of dicussion items that are long past "Last Updated". Any ideas why?

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  • Optimize SAP SQL Server database using DTA

    - by Danilo Brambilla
    Is it safe to optimize a SQL Server 2005 SAP R/3 database using Database Tuning Advisor raccomandatations? We are experiencing very low performance on a dedicated SAP database because of intense read operations ad the db and DTA suggest to create about 25 indexes and 100 stats. I am not an expert of SAP and I am quite surprised to see that this database has about 56.000 tables and 6500 views (120 GB of data). Thank you all for help

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  • Sharing svn reposities between web servers

    - by Luke
    I have my subversion hosting set up to be accessed through Apache web server. Everything runs fine. Now I'd like to add another web server to distribute the load between two web servers. Is it save to have my svn repositories accessed by two web servers at the same time? Does the normal fsfs subversion repository type protect me enough or do I need to switch to Berkely DB for this sort of thing?

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  • Designing a web application to scale

    - by Fahim Akhter
    Hi, While designing a web application facebook application to be precise. Which can spike and increase rapidly because of it vitality and is right intensive. What point should one keep in mind while designing the DB. For example what things should I leave room for if I need to shard or have a Master/Slave combination later (with memcache) Considering I use Relational Database with mySQL

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  • Auto re-attach EBS volume on start-up?

    - by Phillip Oldham
    I'm setting up a database server on EC2, and I need to ensure that an EBS volume is automatically attached and is available before the database service starts up. I'm using SMF so I can test whether a particular filesystem is available before starting the db service, so there's no problem from that perspective, however I'm not quite sure how to tell the server to auto-attach the EBS volume during/after boot. What would be the best strategy for this?

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  • rsync --files-from or --include-from

    - by Edward
    I try command rsync -v --include-from=/path/to/list.lst /home/user /path/to/backup list.lst contains for example .gnupg/ .pki/ .gnome2/keyrings/ .mozilla/firefox/*.default/bookmarkbackups/ .mozilla/firefox/*.default/bookmarks.html .mozilla/firefox/.default/.db .mozilla/firefox/.default/.sqlite and i get error on all strings with * "failed: No such file or directory" When i use --files-from for this, i get error too. Can anybody help me use wildcards for this?

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  • Office for Mac 2011 does not start, how do I repair the database?

    - by RomanT
    After a TimeMachine restore; Office 2011 is having kittens over permissions it would seem. Having attempted a 'repair' out of Disk Utility, am still seeing: there is a problem with the Office database upon startup, after which Word/Excel work without issues. Outlook on the other hand won't even start. Given the obvious message here "You do not have write access to the Outlook application folder" – where is the DB located to check?

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  • Data Mining Software

    - by Mark
    I want to harvest some data like this http://www.newcardealers.ca/en/Dealers/List-A.aspx And insert the name, address, phone number, email, etc. into a database. Is there some software I can use that will take a webpage, let me specify some regexes or something, and then spit out all the matched data in a CSV or some format easily insertable into a DB?

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  • Restart a single apache vhost

    - by snowflake
    I've got an Apache (2) server with several virtual hosts. I currently have mysql db locks problems on one virtual host. A common and practical way to easy release those locks and unlock the site (while the dev team refactor its application to avoid the locks), is to simply restart the apache server. I'm wondering if there is a way to restart the single vhost that is in trouble. Thank you for any comments

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  • permission errors with python/django

    - by tipu
    Error can be seen here: http://djaffry.selfip.com:8080/ If i go to the folder /srv/twingle/search and do ls -l I get -rwxrwxrwx 1 root root 65142784 May 26 20:28 words.db I gave it 777 access (absolutely unsafe, I know, but I thought it would atleast work) any idea what can be the permissions problem? Edit: A very strange problem is that the code doesn't crash once every few refreshes.. then goes back to crashing

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  • Puppet and launchd services?

    - by Joel Westberg
    We have a production environment configured with Puppet, and want to be able to set up a similar environment on our development machines: a mix of Red Hats, Ubuntus and OSX. As might be expected, OSX is the odd man out here, and sadly, I'm having a lot of trouble with getting this to work. My first attempt was using macports, using the following declaration: package { 'rabbitmq-server': ensure => installed, provider => macports, } but this, sadly, generates the following error: Error: /Stage[main]/Rabbitmq/Package[rabbitmq-server]: Could not evaluate: Execution of '/opt/local/bin/port -q installed rabbitmq-server' returned 1: usage: cut -b list [-n] [file ...] cut -c list [file ...] cut -f list [-s] [-d delim] [file ...] while executing "exec dscl -q . -read /Users/$env(SUDO_USER) NFSHomeDirectory | cut -d ' ' -f 2" (procedure "mportinit" line 95) invoked from within "mportinit ui_options global_options global_variations" Next up, I figured I'd give homebrew a try. There is no package provider available by default, but puppet-homebrew seemed promising. Here, I got much farther, and actually managed to get the install to work. package { 'rabbitmq': ensure => installed, provider => brew, } file { "plist": path => "/Library/LaunchDaemons/homebrew.mxcl.rabbitmq.plist", source => "/usr/local/opt/rabbitmq/homebrew.mxcl.rabbitmq.plist", ensure => present, owner => root, group => wheel, mode => 0644, } service { "homebrew.mxcl.rabbitmq": enable => true, ensure => running, provider => "launchd", require => [ File["/Library/LaunchDaemons/homebrew.mxcl.rabbitmq.plist"] ], } Here, I don't get any error. But RabbitMQ doesn't start either (as it does if I do a manual load with launchctl) [... snip ...] Debug: Executing '/bin/launchctl list' Debug: Executing '/usr/bin/plutil -convert xml1 -o /dev/stdout /Library/LaunchDaemons/homebrew.mxcl.rabbitmq.plist' Debug: Executing '/usr/bin/plutil -convert xml1 -o /dev/stdout /var/db/launchd.db/com.apple.launchd/overrides.plist' Debug: /Schedule[weekly]: Skipping device resources because running on a host Debug: /Schedule[puppet]: Skipping device resources because running on a host Debug: Finishing transaction 2248294820 Debug: Storing state Debug: Stored state in 0.01 seconds Finished catalog run in 25.90 seconds What am I doing wrong?

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  • Why isn't the backup file created when running sqlcmd from remote machine?

    - by Ed Gl
    I tried running the sqlcmd from a remote host to do a simple backup of a sql 2008 database. The command goes something like this: sqlcmd -s xxx.xxx.xxx.xx -U username -P some_password -Q "Backup database [db] to \ disk = 'c:\test_backup.bak' with format" I get a succesfull message but the file isn't created. When I run this on the sql manager on the same machine, it works. I thought it was permission problems, but I'm using the same username in both cases. Any thoughts?

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  • who are the goldengate extract users

    - by sharif
    I am setting up golden gate, this installation guide is quite confusing as it refers to steps which have not been done or already done previously. I am on step 4.8.1 on the ''oracle installation guide''. I is asking for ''Extract'' user name. I do not recall creating such other than the goldengate user. Also what are the other four users it refers to as in 4.6 Extract Replicat Manager DEFGEN what is the usernames for each of these in the db?

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  • ZFS recordsize for VirtualBox and other virtual disks

    - by JOTN
    Has anyone run across any good benchmarks or other research on tuning the ZFS recordsize when putting virtual disk files on it for a guest OS? I'm using VirtualBox at the moment. I have notice significant performance improvement when working with a DBMS by setting the ZFS recordsize to the same as the DB blocksize, so I'm guessing matching the blocksize of the guest filesystem would also be a good idea.

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  • rsync --files-from (find + cat)

    - by Edward
    I try command rsync -v --files-from=/path/to/list.lst /home/user /path/to/backup list.lst contains for example .gnupg/ .pki/ .gnome2/keyrings/ .mozilla/firefox/*.default/bookmarkbackups/ .mozilla/firefox/*.default/bookmarks.html .mozilla/firefox/.default/.db files .mozilla/firefox/.default/.sqlite and i get error on all strings with * "failed: No such file or directory". Can anybody help me, or as variant can i combine find `cat /path/to/list.lst` with rsync?

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  • Navicat Premium Essentials - Mac OS Maverick

    - by Alberto Schiariti
    Do anyone know why since Maverick update, Navicat can't connect anymore to any database which is saved into "/Users/Username" folder? It keeps saying: "Database file path is not correct". If I copy/paste the same DB in any other folder it connects perfectly. I need to open DBs in that folder because that's the folder where Xcode put the Apps ones and I can't everytime I need to modify them, copy/paste them on my desktop and then put them back again.

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  • Determining which database instance makes biggest IO

    - by user2008937
    Assuming that I have a dedicated server on which I am running multiple instances of mysql and postresql servers. How without iotop determine which instance in particular time (proc/pid/io shows data collected in some peroid of time) makes the biggest IO (so it increases IOWAIT)? When lots of ppl do something on DB then I clearly see which instance is making the load because of high cpu usage, but I had a situation when the cpu usage was just normal, but very high iowait made a huge load on server and i had problem finding process that was making some outstanding IO

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