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• Setup: Eclipse in Ubuntu with Apache2 and Subversion

  - by Ricalsin

  Trying to setup Eclispe. I am running ubuntu 10.10 (Maverick). Apache2.2.16 Subversion 1.6.12 The Eclipse help/about/installed software says: Eclipse Platform 3.5.2 Subclipse 1.0.0 Version Control with Subversion 1.1.1 The Subclips wiki I followed is here I have installed the libsvn-java app as discussed. I added the line "-Djava.library.path=/usr/lib/jni" to the eclipse.ini file I checked the Eclipse help/about/confirguration settings and both of these lines are listed: eclipse.vmargs=-Djava.library.path=/usr/lib/jni java.library.path=/usr/lib/jni I checked that those files are in those directories. Still, when I check the preferencesteamsvn an error dialog shows: Failed to load JavaHL Library. These are the errors that were encountered: no libsvnjavahl.1 in java.library.path Incompatible JavaHL library loaded 1.3.x or later required I followed the "Testing JavaHL libraries" troubleshooting section at the bottom of the wiki: I downloaded the tarbal and ran it in a folder on my desktop with no problems. Then, I followed the instructions and placed that file INSIDE the path (usr/lib/jni/testJavaHL) and ran it from there. There are 50 tests performed and each one of them came back with this same error (posting only one for brevity): 50) testCommitRevprops(org.tigris.subversion.javahl.BasicTests)java.io.FileNotFoundException: /usr/lib/jni/testJavaHL/local_tmp/greek_files/iota (No such file or directory) at java.io.FileOutputStream.open(Native Method) at java.io.FileOutputStream.<init>(FileOutputStream.java:209) at java.io.FileOutputStream.<init>(FileOutputStream.java:160) at org.tigris.subversion.javahl.WC.materialize(WC.java:70) at org.tigris.subversion.javahl.SVNTests.buildGreekFiles(SVNTests.java:303) at org.tigris.subversion.javahl.SVNTests.setUp(SVNTests.java:222) at org.tigris.subversion.javahl.RunTests.main(RunTests.java:111) FAILURES!!! Tests run: 50, Failures: 0, Errors: 50 Any ideas as to how/why the "local_tmp/greek_files/iota" is appended to the directory? I assume that's my problem.. I'm also having a problem with newrepository location = ...as the directory location of my svn repository is one level above the home directory - which is prepended to whatever I place in the dialog box - resulting in this error: svn: '/home/ricalsin/file:/home/svn' does not exist Thank you for any help.

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• Howto enable SMPTS (465) postfix CentOS

  - by user197284

  I need help is enabling SMTPS. I use postfix , dovecot with MySQL(virtual domains). I do not know how to enable SMTPS(465). I already added tls related settings and key and certificate in the "/etc/postfix/main.cf" OS: Centos 6.4 64 bit Please my /etc/postfix/master.cf file here # ========================================================================== # service type private unpriv chroot wakeup maxproc command + args # (yes) (yes) (yes) (never) (100) # ========================================================================== smtp inet n - n - - smtpd -o content_filter=smtp-amavis:127.0.0.1:10024 -o receive_override_options=no_address_mappings pickup fifo n - n 60 1 pickup -o content_filter= -o receive_override_options=no_header_body_checks cleanup unix n - n - 0 cleanup qmgr fifo n - n 300 1 qmgr #qmgr fifo n - n 300 1 oqmgr tlsmgr unix - - n 1000? 1 tlsmgr rewrite unix - - n - - trivial-rewrite bounce unix - - n - 0 bounce defer unix - - n - 0 bounce trace unix - - n - 0 bounce verify unix - - n - 1 verify flush unix n - n 1000? 0 flush proxymap unix - - n - - proxymap smtp unix - - n - - smtp # When relaying mail as backup MX, disable fallback_relay to avoid MX loops relay unix - - n - - smtp -o fallback_relay= # -o smtp_helo_timeout=5 -o smtp_connect_timeout=5 showq unix n - n - - showq error unix - - n - - error discard unix - - n - - discard local unix - n n - - local virtual unix - n n - - virtual lmtp unix - - n - - lmtp anvil unix - - n - 1 anvil scache unix - - n - 1 scache # # ==================================================================== # Interfaces to non-Postfix software. Be sure to examine the manual # pages of the non-Postfix software to find out what options it wants. # ==================================================================== maildrop unix - n n - - pipe flags=DRhu user=vmail argv=/usr/local/bin/maildrop -d ${recipient} uucp unix - n n - - pipe flags=Fqhu user=uucp argv=uux -r -n -z -a$sender - $nexthop!rmail ($recipient) ifmail unix - n n - - pipe flags=F user=ftn argv=/usr/lib/ifmail/ifmail -r $nexthop ($recipient) bsmtp unix - n n - - pipe flags=Fq. user=foo argv=/usr/local/sbin/bsmtp -f $sender $nexthop $recipient # # spam/virus section # smtp-amavis unix - - y - 2 smtp -o smtp_data_done_timeout=1200 -o disable_dns_lookups=yes -o smtp_send_xforward_command=yes 127.0.0.1:10025 inet n - y - - smtpd -o content_filter= -o smtpd_helo_restrictions= -o smtpd_sender_restrictions= -o smtpd_recipient_restrictions=permit_mynetworks,reject -o mynetworks=127.0.0.0/8 -o smtpd_error_sleep_time=0 -o smtpd_soft_error_limit=1001 -o smtpd_hard_error_limit=1000 -o receive_override_options=no_header_body_checks -o smtpd_bind_address=127.0.0.1 -o smtpd_helo_required=no -o smtpd_client_restrictions= -o smtpd_restriction_classes= -o disable_vrfy_command=no -o strict_rfc821_envelopes=yes # # Dovecot LDA dovecot unix - n n - - pipe flags=DRhu user=vmail:mail argv=/usr/libexec/dovecot/deliver -d ${recipient} # # Vacation mail vacation unix - n n - - pipe flags=Rq user=vacation argv=/var/spool/vacation/vacation.pl -f ${sender} -- ${recipient} retry unix - - n - - error proxywrite unix - - n - 1 proxymap Please help to enable SMTPS. I have amavis enabled

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• tomcat 'document base does not exist' error (but it does)

  - by SpliFF

  Gentoo / Tomcat 6 INFO: Starting Servlet Engine: Apache Tomcat/6.0.20 Sep 8, 2009 10:34:51 AM org.apache.catalina.core.StandardContext resourcesStart SEVERE: Error starting static Resources java.lang.IllegalArgumentException: Document base /www/rivervalley/site does not exist or is not a readable directory at org.apache.naming.resources.FileDirContext.setDocBase(Unknown Source) at org.apache.catalina.core.StandardContext.resourcesStart(Unknown Source) at org.apache.catalina.core.StandardContext.start(Unknown Source) at org.apache.catalina.core.ContainerBase.start(Unknown Source) at org.apache.catalina.core.StandardHost.start(Unknown Source) at org.apache.catalina.core.ContainerBase.start(Unknown Source) oh really? then how come: ls -la /www/rivervalley/site/ drwxr-xr-x 12 tomcat tomcat 4096 Sep 8 09:56 . drwxr-xr-x 16 tomcat tomcat 4096 Jun 29 16:22 .. -rwxr--r-- 1 tomcat tomcat 520 Jul 3 02:15 Application.cfm drwxr-xr-x 2 tomcat tomcat 4096 Sep 8 09:56 WEB-INF and ... tomcat 18916 1.0 5.5 1159188 167892 ? Ssl 10:37 0:11 /opt/sun-jdk-1.5.0.18/bin/java -Djava.util.loggin Hell, ANY account can read that directory so the claim is utter nonsense. What else can cause this? Here's my relevant server.xml section: <Host name="rivervalley" appBase="webapps" unpackWARs="false" autoDeploy="false" xmlValidation="false" xmlNamespaceAware="false"> <Context path="" docBase="/www/rivervalley/site" /> </Host>

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• Protect all XML-RPC calls with HTTP basic auth but one

  - by bodom_lx

  I set up a Django project for smartphone serving XML-RPC methods over HTTPS and using basic auth. All XML-RPC methods require username and password. I would like to implement a XML-RPC method to provide registration to the system. Obviously, this method should not require username and password. The following is the Apache conf section responsible for basic auth: <Location /RPC2> AuthType Basic AuthName "Login Required" Require valid-user AuthBasicProvider wsgi WSGIAuthUserScript /path/to/auth.wsgi </Location> This is my auth.wsgi: import os import sys sys.stdout = sys.stderr sys.path.append('/path/to/project') os.environ['DJANGO_SETTINGS_MODULE'] = 'project.settings' from django.contrib.auth.models import User from django import db def check_password(environ, user, password): """ Authenticates apache/mod_wsgi against Django's auth database. """ db.reset_queries() kwargs = {'username': user, 'is_active': True} try: # checks that the username is valid try: user = User.objects.get(**kwargs) except User.DoesNotExist: return None # verifies that the password is valid for the user if user.check_password(password): return True else: return False finally: db.connection.close() There are two dirty ways to achieve my aim with current situation: Have a dummy username/password to be used when trying to register to the system Have a separate Django/XML-RPC application on another URL (ie: /register) that is not protected by basic auth Both of them are very ugly, as I would also like to define a standard protocol to be used for services like mine (it's an open Dynamic Ridesharing Architecture) Is there a way to unprotect a single XML-RPC call (ie. a defined POST request) even if all XML-RPC calls over /RPC2 are protected?

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• Certificate revocation check fails for non-domain guest in spite of accessible CRL

  - by 0xFE

  When we try to use certificates on computers that are not part of the domain, Windows complains that The revocation function was unable to check revocation because the revocation server was offline. However, if I manually open the certificate and check the CRL Distribution Point property, I see an ldap:/// URL and an http:// URL that points to externally-accessible IIS site that hosts the CRLs. Of course, the non-domain-joined client cannot access the ldap:/// URL, but it can download the CRL from the http:// link (at least in a browser). I enabled CAPI logging and I see the event that corresponds to this failed revocation check. The RevocationInfo section is: RevocationInfo [ freshnessTime] PT11H27M4S RevocationResult The revocation function was unable to check revocation because the revocation server was offline. [ value] 80092013 CertificateRevocationList [ location] UrlCache [ url] http://the correct URL [fileRef] 6E463C2583E17C63EF9EAC4EFBF2AEAFA04794EB.crl [issuerName] the name of the CA Furthermore, I can see the HTTP request to the correct URL and the server's response (HTTP 304 Not Modified) with Microsoft Network Monitor. I ran certutil -verify -urlfetch, and it seems to show the same thing: the computer recognizes both URLs, tries both, and even though the http:// link succeeds, returns the same error. Is there a way to have non-domain-joined clients skip the ldap:/// link and only check the http:// one? Edit: The ldap:/// URL is ldap:///CN=<name of CA>,CN=<name of server that is running the CA>,CN=CDP,CN=Public Key Services,CN=Services,CN=Configuration,DC=<domain name>?certificateRevocationList?base?objectClass=cRLDistributionPoint The non-domain-joined clients may be on the domain network or on an external network. The http:// CDP is accessible from the public internet.

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• Install Exchange 2013 with DSC

  - by Alain Laventure

  I tried to install Exchange 2013 with the resource windowsProcess in existing Exchange Configuration. All prerequisites are installed (the Exchange Organization still exists). This is my Resource section: WindowsProcess Exchange2013 { Credential=$credential Path= "C:\Sources\Cumulative Update 5 for Exchange Server 2013 (KB2936880)\Setup.exe" Arguments= "/mode:Install /role:Mailbox /IAcceptExchangeServerLicenseTerms /TargetDir:C:\EX2013" Ensure= "Present" } #End Filter } #End Node } # End configuration /* @TargetNode='TargetDSC02' @GeneratedBy=exadmin @GenerationDate=08/02/2014 08:16:03 @GenerationHost=SOURCEDSC02 */ instance of MSFT_Credential as $MSFT_Credential1ref { Password = "Password1"; UserName = "S05\\Exadmin"; }; Exadmin is a member of Orgaganization Management Group and it is also member of Domain Admin Group, to be able to install Exchange When I execute this resource , Exchange Installation Start but after 1 minute the installation stops with this error: Failed [Rule:GlobalServerInstall] [Message:You must be a member of the 'Organization Management' role group or a member of the 'Enterprise Admins' group to continue.] To be sure that the right is really the problem I create a special User with only Administrator right of the Exchange server and with no Exchange Permission I run manually on the new Exchange server .\Setup.exe /mode:Install /role:Mailbox /IAcceptExchangeServerLicenseTerms /Targetdir:C:\EX2013 And I got the Same error that with DSC. After I add my test user in the Organization Management Group and I run again manually .\Setup.exe /mode:Install /role:Mailbox /IAcceptExchangeServerLicenseTerms /Targetdir:C:\EX2013 And the Exchange 2013 installation finish without any error. That prove that the problem with DSC is Permission right.

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• Ubuntu xrandr rotate issue

  - by user83544

  I've just bought a second monitor for my PC which happens to be a pivot monitor. I've already read lots of forums related to my problem but haven't come across a solution - I have the same symptoms as dozens of posts but no matter whatever I try it just doesn't work. I've already changed the xorg.conf file and added in the device section just under Driver "nvidia" the following for my second monitor: Option "RandRRotation" "on" When I save and reboot I try to rotate my screen with the nvidia X server settings by choosing the second monitor and clicking either "left" or "right" for the rotation. It immediately exits the nvidia settings window and does nothing. I tried within the terminal by typing: xrandr -o right I get the following error: X Error of failed request: BadMatch (invalid parameter attributes) Major opcode of failed request: 154 (RANDR) Minor opcode of failed request: 2 (RRSetScreenConfig) Serial number of failed request: 14 Current serial number in output stream: 14 I actually manage to rotate it with Option "Rotate" "CCW" instead of "RandRRotation". The problem with this solution is that you get the second monitor in the right position, but any window you open on that screen is practically unchangeable. You can't change the size nor move it, making it useless for reading PDFs, which is the main reason why I bought this second screen to help me write my thesis. Any help is really appreciated. sudo lshw -c video hiram@hiram-linux:~$ sudo lshw -c video *-display description: VGA compatible controller product: nVidia Corporation vendor: nVidia Corporation physical id: 0 bus info: pci@0000:01:00.0 version: a1 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress vga_controller bus_master cap_list rom configuration: driver=nvidia latency=0 resources: irq:16 memory:f8000000-f9ffffff memory:d8000000-dfffffff memory:d4000000-d7ffffff ioport:dc00(size=12 memory:fbd80000-fbdfffff

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• IIS 7, FastCGI, PHP and custom php.ini files

  - by Marlon

  I'm running PHP 5.3, FastCGI, and IIS 7 on Windows Server 2008. I have a site which I would like to configure its own php.ini settings for but things aren't working as expected. I am following the tutorial located here. This is what I have done so far: 1) Configured a new website with it's own AppPool. 2) Selected PHP 5.3.6 from the PHP Manager available on the website home on IIS (not the web server home which sets the global version of PHP) 3) Added the following lines to the section of the applicationHost.config file located at system32/inetsrv/config <application fullPath="C:\Program Files (x86)\PHP\v5.3\php-cgi.exe" arguments="-d open_basedir=C:\inetpub\wwwroot\kickasswebsite.com" maxInstances="4" idleTimeout="300" activityTimeout="30" requestTimeout="90" instanceMaxRequests="200" protocol="NamedPipe" queueLength="1000" flushNamedPipe="false" rapidFailsPerMinute="10"> <environmentVariables> <environmentVariable name="PHPRC" value="c:\inetpub\wwwroot\kickasswebsite.com" /> </environmentVariables> </application> 4) I then create a php.ini file located in C:\inetpub\wwwroot\kickasswebsite.com (the location of the root of the website) register_globals = on 5) I then run test.php which simply outputs everything the method call to phpinfo() returns. At this point, I observe that the global setting for register_globals = off (as it should be), but the local setting for register_globals = off, even though I specified it differently in the php.ini file I created at the root of the site. Furthermore, I see these settings in the output of the php.ini Configuration File (php.ini) Path C:\Windows Loaded Configuration File C:\Program Files (x86)\PHP\v5.3\php.ini Scan this dir for additional .ini files (none) Additional .ini files parsed (none) What am I messing up on, or is there a different way to go about this?

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• Nginx + WordPress + HHVM: Why isn't Batcache working? Would Varnish help even more?

  - by javipas

  I've heard great things about HHVM, so I've setup a copy of WordPress blog (on another domain) with Nginx (with the Pagespeed module) and HHVM. Right now the benefits are obvious: on the same config, load times are between two and three times faster. I'm trying to speed up things a little bit, and I've also installed Memcached and Batcache. I've installed the memcached package, copied object-cache.php (Pastebin) onto the root folder of the WordPress blog, and after that I've installed the Batcache plugin and copied the advanced-cache.php (Pastebin) file onto the wp-content folder. Also, I've included the line define('WP_CACHE', true); in the wp-config.php file. It seems it doesn't work, though. If I quickly reload the page several times Batcache should show the cached page, but it doesn't. It's easy to check that by reloading (Cmd+R on Chrome on OS X) the page several times and then viewing the page's code. Under the <head> section I should see some batcache stats, but they aren't there. I wonder if someone could give me some hint on this. On a side note, I don't know if I could add some other component in order to help the performance be even better. I'm thing about Varnish, but I'm not sure if it's just useless and it's just another way to the same I'm currently doing. Any other component there? (I'll test CDN for images, minifying js, etc and some other tricks as well, but I'm talking from the server perspective).

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• Vim: How to Install Airline?

  - by MunkyCheez

  I'm just getting started with Vim. It's a fun experience, but I've found it to be kind of overwhelming. I'm trying to get this plugin installed, vim-airline, but I'm having a lot of trouble. The Installation section on the Github page simply states: copy all of the files into your ~/.vim directory Presumably, this means download the .zip, extract it, and copy all of those files into ~/.vim/. I did this, but Vim just starts up like normal, and running :help airline just gives: Sorry, no help for airline I assume that this means it isn't getting installed. Also, the statusbar remains the same. I'm new to Vim and would really like to get this working. Thanks in advance! EDIT: I also tried putting the files into /usr/share/vim/vim73/. No dice. EDIT 2: I ran :helptags ~/.vim/doc and now the help-page displays when I type :help airline, but I'm still not getting the plugin itself (the status bar). Vim looks the same, but it can now display the help page.

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• Protect all XML-RPC calls with HTTP basic auth but one

  - by bodom_lx

  I set up a Django project for smartphone serving XML-RPC methods over HTTPS and using basic auth. All XML-RPC methods require username and password. I would like to implement a XML-RPC method to provide registration to the system. Obviously, this method should not require username and password. The following is the Apache conf section responsible for basic auth: <Location /RPC2> AuthType Basic AuthName "Login Required" Require valid-user AuthBasicProvider wsgi WSGIAuthUserScript /path/to/auth.wsgi </Location> This is my auth.wsgi: import os import sys sys.stdout = sys.stderr sys.path.append('/path/to/project') os.environ['DJANGO_SETTINGS_MODULE'] = 'project.settings' from django.contrib.auth.models import User from django import db def check_password(environ, user, password): """ Authenticates apache/mod_wsgi against Django's auth database. """ db.reset_queries() kwargs = {'username': user, 'is_active': True} try: # checks that the username is valid try: user = User.objects.get(**kwargs) except User.DoesNotExist: return None # verifies that the password is valid for the user if user.check_password(password): return True else: return False finally: db.connection.close() There are two dirty ways to achieve my aim with current situation: Have a dummy username/password to be used when trying to register to the system Have a separate Django/XML-RPC application on another URL (ie: /register) that is not protected by basic auth Both of them are very ugly, as I would also like to define a standard protocol to be used for services like mine (it's an open Dynamic Ridesharing Architecture) Is there a way to unprotect a single XML-RPC call (ie. a defined POST request) even if all XML-RPC calls over /RPC2 are protected?

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• How can I configure Samba to share (read/write) any folder with root permissions?

  - by Mike Toews

  I have a CentOS 5 VirtualBox guest on a Win7x64 host. I am attempting to setup a read/write share a directory owned by root with my Windows host using Samba, but I'm having no luck after running around in circles. To simplify matters, I've disabled my Firewall (/etc/init.d/iptables stop). As security and permissions are irrelevant for this purpose, I'd rather not have to set up another unix user/group/password. Here is the output from testparm Load smb config files from /etc/samba/smb.conf rlimit_max: rlimit_max (1024) below minimum Windows limit (16384) Processing section "[Guest Share]" Loaded services file OK. Server role: ROLE_STANDALONE and the source of /etc/samba/smb.conf: [global] workgroup = WRKGRP netbios name = SMBSERVER security = SHARE load printers = No [Guest Share] comment = Guest access share path = /root/src read only = No guest ok = Yes Running /etc/init.d/smb restart shows an OK status. However, on my Windows host, I can only see the share folder on the guest \\IPv4, but I cannot go into "Guest Share": "The network name cannot be found" error message is a common error, with a likely cause: The user you are trying to access the share with does not have sufficient permissions to access the path for the share. Both read (r) and access (x) should be possible. Am I trying to use root as a passwordless Samba guest? I'd like to, is it possible? How can I configure Samba to share (read/write) any folder with root permissions?

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• Debian Wheezy IPv6 isn't configured with ifup post-up hook

  - by aef

  We recently set up a server on Debian Wheezy Beta 3 (x86_64) which has a native IPv6 connection. We configured the eth0 interface to get the IPv6 configuration through some post-up hook commands in /etc/network/interfaces. The result is, that after the booting the system up, there is only IPv4 and an auto-configured link-local IPv6 address configured on the interface, as if the command has never been executed. When we additionally place the commands after the call to ifup -a inside the /etc/init.d/networking init script, everything works as expected and we have a fully configured interface after booting up. This is quite an ugly way to configure the interface. What are we doing wrong with the ifup post-up hooks? Or is this a bug? The section from /etc/network/interfaces looks like this (IP-addresses changed): allow-hotplug eth0 iface eth0 inet static address 1.2.3.1 netmask 255.255.255.192 network 1.2.3.0 broadcast 1.2.3.63 gateway 1.2.3.62 dns-nameservers 8.8.8.8 dns-search mydomain.tld post-up ip -6 addr add 2001:db8:100:3022::2 dev eth0 post-up ip -6 route add fe80::1 dev eth0 post-up ip -6 route add default via fe80::1 dev eth0 I also tried it in this alternative way: auto eth0 iface eth0 inet static address 1.2.3.1 netmask 255.255.255.192 network 1.2.3.0 broadcast 1.2.3.63 gateway 1.2.3.62 dns-nameservers 8.8.8.8 dns-search mydomain.tld iface eth0 inet6 static address 2001:db8:100:3022::2 netmask 64 gateway fe80::1 What we added to /etc/init.d/networking: … case "$1" in start) process_options check_ifstate if [ "$CONFIGURE_INTERFACES" = no ] then log_action_msg "Not configuring network interfaces, see /etc/default/networking" exit 0 fi set -f exclusions=$(process_exclusions) log_action_begin_msg "Configuring network interfaces" if ifup -a $exclusions $verbose && ifup_hotplug $exclusions $verbose # Our additions ip -6 addr add 2001:db8:100:3022::2 dev eth0 ip -6 route add fe80::1 dev eth0 ip -6 route add default via fe80::1 dev eth0 then log_action_end_msg $? else log_action_end_msg $? fi ;; …

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• Who should I run mysql as, on a personal computer?

  - by user664833

  I just installed mysql via homebrew (with brew install mysql, on Mac OS X Mountain Lion - recently installed from scratch). Following the installation, there is a "caveats" section with options around further necessary actions to take: ==> Caveats Set up databases to run AS YOUR USER ACCOUNT with: unset TMPDIR mysql_install_db --verbose --user=`whoami` --basedir="$(brew --prefix mysql)" --datadir=/usr/local/var/mysql --tmpdir=/tmp To set up base tables in another folder, or use a different user to run mysqld, view the help for mysqld_install_db: mysql_install_db --help and view the MySQL documentation: * http://dev.mysql.com/doc/refman/5.5/en/mysql-install-db.html * http://dev.mysql.com/doc/refman/5.5/en/default-privileges.html To run as, for instance, user "mysql", you may need to `sudo`: sudo mysql_install_db ...options... Start mysqld manually with: mysql.server start Note: if this fails, you probably forgot to run the first two steps up above A "/etc/my.cnf" from another install may interfere with a Homebrew-built server starting up correctly. To connect: mysql -uroot To launch on startup: * if this is your first install: mkdir -p ~/Library/LaunchAgents cp /usr/local/Cellar/mysql/5.5.27/homebrew.mxcl.mysql.plist ~/Library/LaunchAgents/ launchctl load -w ~/Library/LaunchAgents/homebrew.mxcl.mysql.plist * if this is an upgrade and you already have the homebrew.mxcl.mysql.plist loaded: launchctl unload -w ~/Library/LaunchAgents/homebrew.mxcl.mysql.plist cp /usr/local/Cellar/mysql/5.5.27/homebrew.mxcl.mysql.plist ~/Library/LaunchAgents/ launchctl load -w ~/Library/LaunchAgents/homebrew.mxcl.mysql.plist You may also need to edit the plist to use the correct "UserName". On previous versions of Mac OS X I ran mysql as mysql user, but now I am confronted by the idea of running it as myself. I am the only one who uses this computer (which happens to be my laptop), and I do programming for work and for pleasure. What are the pros & cons, or best practices, around choosing whether to run mysql AS YOUR USER ACCOUNT or as mysql or something else still?

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• Is it possible to use rsync over sftp (without an ssh shell) ?

  - by Tom Feiner

  Rsync over ssh, works great every time. However, trying to rsync to a host which allows only sftp logins, but not ssh logins, provides the following error: rsync -av /source ssh user@remotehost:/target/ protocol version mismatch -- is your shell clean? (see the rsync man page for an explanation) rsync error: protocol incompatibility (code 2) at compat.c(171) [sender=3.0.6] Here's the relevant section from the rsync man page: This message is usually caused by your startup scripts or remote shell facility producing unwanted garbage on the stream that rsync is using for its transport. The way to diagnose this problem is to run your remote shell like this: ssh remotehost /bin/true > out.dat then look at out.dat. If everything is working correctly then out.dat should be a zero length file. If you are getting the above error from rsync then you will probably find that out.dat contains some text or data. Look at the contents and try to work out what is producing it. The most com- mon cause is incorrectly configured shell startup scripts (such as .cshrc or .profile) that contain output statements for non-interactive logins. Trying this on my system produced the following in out.dat: ssh-dummy-shell: Command not allowed. As I thought, the host is not allowing ssh logins. The following link shows that it is possible to accomplish this task using fuse with sshfs - however it is extremely slow, and not fit for production use. Is there any chance of getting rsync sftp to work?

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• Cisco configuration for public library internet

  - by AlternateZ

  I'm a C/C++ computer programmer turned IT support guy working for a public library. My day is usually spent helping random grandparents learn how to use email, so my networking knowledge is limited to what I can glean from google. Here's the situation. We have a public library with 20 PCs on a LAN and also public wifi access. Previously we were running all of this on 1 ADSL connection and people complained about low speeds. We hired a networking company to set up a Cisco dual-WAN router for us, and purchased an additional ADSL connection. The intention was to give the LAN PCs a guaranteed amount of bandwidth each, and then let the wifi users split the rest. The results were far worse than what we expected, and all we got from the company was excuses and they've since washed their hands of us. During busy periods, net performance on the LAN PCs are so poor that attaching files to gmail etc often times out and fails - far from the "guaranteed amount of bandwidth each" that we hope for! Sometimes it feels like performance is worse than before when we had 1 ADSL link and an unconfigured router? Anyways, surely this is a problem encountered a million times over across the world? (Sharing internet across many users effectively.) What are standard solutions for something like this? I admit to not even knowing the right jargon to google for (load balancing?) I'd appreciate any links to resources/guides that might help me get a better understanding of the problem/solutions, and perhaps some stories of your own experience in solving similar problems. This will help us evaluate and negotiate with network consultants in the future. If its relevant, our router config contains a section "policy-map" with "bandwidth percent" for each class of user (LAN, wifi), and "fair queue".

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• Does having TRIM enabled affect other hard drives on a computer (and how do you know when Windows is using it)?

  - by Breakthrough

  I recently purchased a solid state drive (an OCZ Vertex 2 (80 GB)) to use as my primary operating system partition. I also have three other SATA hard drives of assorted sizes. I successfully installed Windows 7 Professional onto the SSD (works awesome, great response time and transfer rate), and used the other three HDDs for data storage. I was browsing through the Bible of OCZ SSDs, and noticed the following in Section 60-76 - Tweaks and TRIM: Q. How do I know if TRIM is enabled on my OCZ SSD? A. In Windows 7, go to start/run/cmd), type the following: fsutil.exe behaviour query DisableDeleteNotify It should respond back with: DisableDeleteNotify=0 if TRIM support is ready and active. If it's not, then type: fsutil.exe behavior set DisableDeleteNotify 0 After a bit of searching on Google, I found similar results elsewhere (set DisableDeleteNotify to 0, which makes sense since for TRIM to work, the solid-state drive needs to be notified when deletes occur (for the garbage collector) unlike a normal hard drive). When I run the query on fsutil, I get the following result: DisableDeleteNotify = 48 Following the instructions I found, I set this to 0 instead of 48. However, I am beginning to wonder. Is this all the proof I really need that the OS is using TRIM? Also, since this applies globally for the computer, is TRIM data being sent to the other hard drives connected to the computer? And if so, would this cause any degradation in disk performance?

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• Only one domain is not resolving via Windows DNS server at multiple locations, but is at others

  - by Brett G

  I'm having quite a weird issue. Had mail delivery issues to a specific domain. After looking closer, I realized that the DNS for that domain isn't resolving via the in-house Windows 2003 SP2 DNS server. C:\>nslookup foodmix.net Server: DC.DOMAIN.com Address: 10.1.1.1 DNS request timed out. timeout was 2 seconds. DNS request timed out. timeout was 2 seconds. *** Request to DC.DOMAIN.com timed-out (DC.DOMAIN.com and 10.1.1.1 are generic values to replace the actual ones) Even if I run this nslookup from the DC.DOMAIN.com server, I get the same result. However, all other requests are working as they should. I had a sysadmin friend try this DNS lookup on servers at several companies that he consults for (which are also Windows 2003 AD servers). The weird thing is some of these were having the same exact issue. However using public DNS servers work. I have tried clearing the DNS cache, restarting the server, restarting the services, etc. Nothing has worked. One weird event I noticed in the DNS Server Event Logs that might be related is an event ID of 5504 with the following description: The DNS server encountered an invalid domain name in a packet from 192.33.4.12. The packet will be rejected. The event data contains the DNS packet. For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp. In the data section below, I can see the following mentioned: ns2.webhostingstar.com Which happens to be the nameserver for the domain in question. Several discussion threads and a MS KB have pointed to disabling EDNS. I have done this via "dnscmd /config /enableednsprobes 0" and it has not fixed the issue.

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• Installing Visual Studio Express on Windows 8.1

  - by robrene

  I've been trying to install the latest version of Microsoft Visual Studio Express from their website to toy around with the IDE and C# development in general. I have a relatively fresh and completely vanilla installation of Windows 8.1 Professional x64 for this purpose. I come from a Linux background, where installing software (especially software distributed by the maintainer of the OS) is usually done with package managers. First, I tried to look for Visual Studio in the Windows 8 Store. There was one entry, but it did not have an installation button. Instead, it redirected me to their website. From all the products listed under the "Download" section on their website, I decided Visual Studio 2013 Express for Windows Desktop was the best for me. I selected it and clicked on "Install now". An installer program downloaded, and I'm assuming that the installer downloaded the necessary files as it was running. When it was done, it asked for a reboot, to which I obliged. However, I can't seem to find the IDE installed anywhere? It doesn't show up anywhere in the Start menu interface. I can't find any executables that look like they might be the IDE in its installation folder. Running the installer again and selecting "Repair" does download some files, but after its requested reboot, nothing has changed. The only thing that I can find is an advertisement link to "Try other Visual Studio 2013 Products" in my start menu. I suppose my question is what I have to do to run Visual Studio 2013 Express on Windows 8.1? Am I not looking in the right places? Am I doing the installation process wrong? Thanks in advance

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• DRBD as a block device for XEN VM (Centos 5.3)

  - by SaberTooth

  Hi all, I have setup a drbd resource between 2 server nodes - everything works correctly when doing sync tests between the two. (I want to create a HA cluster using drbd,xen and heartbeat) However, when I try and create a XEN VM with Centos as guest operating system, I get through to the partitioning screen on the install but when I select a partitioning type the next screen gives me the following error : "An error has occurred - no valid devices were found on which to create new file systems. Please check your hardware for the cause of this problem." This is the first time attempting create a setup like this and searching Google does not help much... my config files for DRBD and XEN.... DRBD (just the section that is pertinent) on xennode0 { device /dev/drbd0; disk /dev/sda5; address X.X.X.X:7788; flexible-meta-disk internal; } on xennode1 { device /dev/drbd0; disk /dev/sda5; address X.X.X.X:7788; meta-disk internal; } XEN kernel = "/boot/xeninstall/vmlinuz" ramdisk = "/boot/xeninstall/initrd.img" extra = "text" name = "VM" maxmem = 3000 memory = 3000 vcpus = 4 on_poweroff = "destroy" on_reboot = "restart" on_crash = "restart" vfb = [ ] disk = [ "phy:/dev/drbd0,sda1,w", "tap:aio:/srv/xen/xenswap.img,sda2,w" ] vif = [ "mac=00:16:3e:11:67:ae,bridge=xenbr0" ] root = "/dev/sda1 ro" Thanks in advance!

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• Questions about NGINX limit_req_zone

  - by Meteor

  I got a problem with NGINX limit_req_zone. Anyone can help? The problem is that, I want to limit user access to some specific URL, for example: /forum.php?mod=forumdisplay? /forum.php?mod=viewthread&*** But, I do want to add an exception for below URL, /forum.php?mod=image&* Below is the location section of my configuration, the problem is that, for URL started with /forum.php?mod=image&*, the limitation is still applied. Any body can help? location ~*^/forum.php?mod=image$ { root /web/www; fastcgi_pass unix:/tmp/nginx.socket; fastcgi_param SCRIPT_FILENAME /scripts$fastcgi_script_name; include fastcgi_params; } location ~*^/(home|forum|portal).php$ { root /web/www; limit_conn addr 5; limit_req zone=refresh burst=5 nodelay; fastcgi_pass unix:/tmp/nginx.socket; fastcgi_param SCRIPT_FILENAME /scripts$fastcgi_script_name; include fastcgi_params; } location ~ \.php$ { root /web/www; fastcgi_pass unix:/tmp/nginx.socket; fastcgi_index index.php; fastcgi_param SCRIPT_FILENAME /scripts$fastcgi_script_name; include fastcgi_params; }

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• htaccess hacked - i've deleted code and file - what next?

  - by user1762595

  My website was hacked recently. I think i've found the code that was added to the htaccess file, deleted it and then added script to prevent the htaccess file being accessed again. I've also deleted the php file that the hacked code refers to (common.php). What do i need to do next? I'm not a programmer or website developer but i really wanted to see if i could fix the problem myself as i've spent quite a few hours trying and don't give up easily. Here is the hacked code that i deleted; <IfModule mod_rewrite.c> RewriteEngine On RewriteCond %{HTTP_USER_AGENT} (google|yahoo) [OR] RewriteCond %{HTTP_REFERER} (google|yahoo) RewriteCond %{REQUEST_URI} /$ [OR] RewriteCond %{REQUEST_FILENAME} (shtml|html|htm|php|xml|phtml|asp|aspx)$ [NC] RewriteCond %{REQUEST_FILENAME} !common.php RewriteCond /home/httpd/vhosts/bluestardive.com/httpdocs/common.php -f RewriteRule ^.*$ /common.php [L] </IfModule> this code has to stay in the htaccess file as it redirects my url to seo friendly ones or the website errors, but has this code been hacked as well? # Apache search queries statistic module RewriteEngine On AddHandler php5-fastcgi .php .php5 # <contrexx> # <core_modules__alias> RewriteRule ^about-us$ /index.php?page=883 [L,NC] RewriteRule ^ausfluge-und-aktivitaten$ /index.php?page=800 [L,NC] RewriteRule ^bluestardive-news$ /index.php?page=919 [L,NC] RewriteRule ^bookings$ /index.php?page=911 [L,NC] RewriteRule ^diveresort$ /index.php?page=879 [L,NC] RewriteRule ^diving$ /index.php?page=880 [L,NC] RewriteRule ^excursions-and-activities$ /index.php?page=881 [L,NC] RewriteRule ^galerie$ /index.php?section=gallery [L,NC] RewriteRule ^oceannight$ http://www.bluestardive.com/index.php?page=906 [L,NC] RewriteRule ^philosophy$ /index.php?page=846 [L,NC] RewriteRule ^reservation$ /index.php?page=917 [L,NC] RewriteRule ^reservierung$ /index.php?page=918 [L,NC] RewriteRule ^resort$ /index.php?page=798 [L,NC] # </core_modules__alias> # </contrexx> many thanks for any help Claire

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• Can nginx be an mail proxy for a backend server that does not accept cleartext logins?

  - by 84104

  Can Nginx be an mail proxy for a backend server that does not accept cleartext logins? Preferably I'd like to know what directive to include so that it will invoke STARTTLS/STLS, but communication via IMAPS or POP3S is sufficient. relevant(?) section of nginx.conf mail { auth_http localhost:80/mailproxy/auth.php; proxy on; ssl_prefer_server_ciphers on; ssl_protocols TLSv1 SSLv3; ssl_ciphers HIGH:!ADH:!MD5:@STRENGTH; ssl_session_cache shared:TLSSL:16m; ssl_session_timeout 10m; ssl_certificate /etc/ssl/private/hostname.crt; ssl_certificate_key /etc/ssl/private/hostname.key; imap_capabilities "IMAP4rev1" "UIDPLUS"; server { protocol imap; listen 143; starttls on; } server { protocol imap; listen 993; ssl on; } pop3_capabilities "TOP" "USER"; server { protocol pop3; listen 110; starttls on; pop3_auth plain; } server { protocol pop3; listen 995; ssl on; pop3_auth plain; } }

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• "Server not found" errors all over after Wordpress installation

  - by picardo

  I uploaded my Wordpress blog from my local machine to Slicehost and then pointed the domain name to the IP address. Then I installed the blog as normal. Once I went to wp-login.php to login, though, I started getting "Server not found" errors. That was strange because the server process was still running, and I checked many times. I can't see anything wrong in the error log, or the access log either. This doesn't only affect Wordpress. I can't access phpmyadmin either now, which was mapped to a subdirectory of the same domain address. What is going on? Can anyone help? Edit: the blog is located on a subdomain. It's still accessible from IP address. The virtual host configs are ServerName and ServerAlias, both set to blog.mysite.com. When I changed those and restarted apache, phpmyadmin came back. Edit: also it's not a propagation issue because I installed the blog from the domain name. It's only when I tried to log into the admin section, I started getting these errors.

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• Have a set a cgi scripts shared by multiple domains

  - by rpat

  Goal: Have multiple domains share a set of cgi(perl) scripts Environment: Apache 2.0 on a dedicated Cent OS server. (Apache configuration files generated by cPanel) I have dozens of domains on the dedicated server. The domains set up by cPanel under VirtualHost section. I have almost no knowledge of Apache. Most of what I do is taken care of by cPanel. I would like to put a set of scripts under one directory (perhaps under / or /opt ) and for each of the domains, under the individual cgi-bin, I would like to create a symbolic link to this common directory. This way I am hoping to avoid having to keep a copy of scripts for every domain. Since Apache config files are generated by cPanel, I would not like to manually make changes to those. Beside, I could mess things up. I see that cPanel recommends use of include files rather than changing the httpd.conf Perhaps I need to have the following of symbolic links enabled in the cgi-bin directory and allow the web server user execute the scripts not owned by it. May be I am making things more complicated than they are. I would be glad to use any other means to achieve my goal. Thanks in advance for your help. *I asked this on stackoverflow and some one suggested that I could ask this on serverfault.

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