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Prevent programs from starting automatically on boot

There are many instances when programs are starting when the computer boots, bring annoying pop-ups and consuming resources. Most of them have a way to disable that feature, some of the more poorly designed ones do not. There's a way to disable it, using an configuration application called msconfig. It exists in all modern Windows versions:

windows start msconfig

Go to Startup Tab and uncheck any application you don’t want to launch during boot time. Click Apply and then OK.

Saturday, 09 September 2017 22:08
 

403 Forbidden after changing DocumentRoot directory

Q. I am getting a Forbidden 403 error after I've changed the DocumentRoot in Apache for my domain. What do I do?

A. The solution is quite simple:

Edit the apache2.conf (/etc/apache2/apache2.conf) and add the new directory to default security model:

<Directory /your/new/dir>
Options Indexes FollowSymLinks
AllowOverride None
Require all granted
</Directory>

Restart apache and you're done

Saturday, 04 March 2017 16:36
   

Zentyal disable password expiration

Q. My password for zentyal expired, how do I stop it from doing that in the future?

A. Login to the command line interface and run the following commang:

samba-tool domain passwordsettings set --max-pwd-age=0

Once done, it will show you:

Maximum password age changed!
All changes applied successfully!

and you are done!

Tuesday, 21 February 2017 11:52
   

Compile perl in Windows

perl logoQ. How do I compile my perl script under Windows?

A. The simplest thing is to download and install Strawberry Perl (it is free).

Once installed, get run the following:

perl -MCPAN -e "install PAR::Packer" 

and install Packer. Once installed, you can compile a simple script into one big exe file:

pp -o ProgramName.exe MyPerlScript.pl
Tuesday, 31 January 2017 20:27
   

Timezone setup for Ubuntu 14 and up

linux 128There's a new way of setting up the timezone in Ubuntu -- no more cat.

First, find your timezone by running this command:

timedatectl list-timezones

We are in Eastern Time, so we picked America/New_York. Then we run this command to set the timezone:

timedatectl set-timezone America/New_York

Check to make sure the timezone has been set:

Sunday, 01 January 2017 16:57
   

Split a large file in Linux

Q. I am trying to move a large file, but I want to split it into chunks.

A. This can be done in using by piping the file into a split command (this also gzips the file):

Split

gzip -c largefile | split -b 512MiB - largefile_split.gz_

This will create a bunch of files:

largefile_split.gz_aa

largefile_split.gz_ab

largefile_split.gz_ac

etc...

Combine

Combining the file on the other side:

cat largefile_split.gz_* | gunzip -c > largefile

Friday, 09 September 2016 17:13
   

Windows 2008 R2 RDS: Log Off a User from a Session

If you are an administrator, you can log off a user from a session (for example, if the user has an session has crashed) in Remote Desktop Services Manager by using the Log Off action.

Follow these steps to log the user off:

  1. In Remote Desktop Services Manager, on the left pane, click the Remote Desktop Session Host server on which the user session is running.

  2. On the Users tab, right-click the user that you want to log off, and then click Log Off.

  3. Click OK to log off the user from the session.

Monday, 22 February 2016 11:12
   

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