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ALT Technical

Your Dedicated IT Experts in Miami

ALT is an IT Support and IT Consulting firm for all business technology needs, with offices in Miami, Syracuse and Ottawa. Our team of technicians and consultants have the expertise spanning today’s best-in-class technologies, which will allow your organization to lower cost, increase agility, improve efficiency, and succeed in today’s competitive markets.

  • Network and IT Support

    End-to-end IT consulting firm, providing support for your IT and network infrastructure

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  • Website Development

    Leverage the power of Content Management Systems! We provide custom solutions for all sectors.

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  • Business IT Support and Consulting

    No matter how big or small: we will get you up and running!

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  • Managed IT Services

    You run your business - we manage your IT!

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Tailored IT Services - Select Your Industry

All businesses are different. We take a customized approach to Business IT support and IT consulting. Select the industry that best applies to you and see how our technology management can help your firm grow:

Small and Medium Business IT Consulting
Business

Small and Medium Business IT Consulting

ALT IT support team is available around the clock to ensure that your systems are up and running when you require them the most.

Construction, Engineering and Architecture IT Support
Business

Construction, Engineering and Architecture IT Support

Our engineering and industry background gives us expertise to provide you with a competitive advantage.

Accounting IT Support
Business

Accounting IT Support

Read about our unique approach to managing information technology for accountants.

We will work with you to provide a custom solution that suits your business

Law and Attorney IT Services
Business

Law and Attorney IT Services

ALT Consulting offers IT services that are tailored exactly to the needs of law firms and their clients.

Government and Associations IT Consulting
Business

Government and Associations IT Consulting

ALT has managed the IT infrastructure for associations and nonprofits in the Miami and South Florida region.

Medical and Dental IT Services
Business

Medical and Dental IT Services

We offer IT solutions to an increasing number of healthcare and dental professionals in the Miami area.

Latest IT News and Updates

  •   24 Mar 2019  

    Stop 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.

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  •   23 Mar 2019  

    Restarting and shutting down your Mac

    apple logoThere are various ways to restart and shut down your mac. The obvious one is through the Apple menu (there's very little magic about that), but the one that is more useful is using a command line. Because MacOS is a derivative of Unix, it has many tools hidden from an average user. To restart the system using a command line, open a terminal and run the following:

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  •   21 Mar 2019  

    Postfix: drop a particular email

    postfix-emailSometimes we have emails going to a particular address, which cannot be stopped. There are many reasons, but most common is an invalid address, which pollutes the mail queue with invalid entries. The simplest way to solve this is by adding a DISCARD directive for postfix. 

    If you don't have it already, add this line in main.cf

    header_checks = regexp:/etc/postfix/header_checks
    Read More
  •   17 Mar 2019  

    Resize LVM disk partition

    Let's say you've gotten a bigger disk (or just resized a VM partition) and now would like to use the extra space. Since for this example we are using LVM, the resizing has to be done using the following steps:

    Assuming you want to use all of the free space, let's see what we got: 50Gb before resize

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  •   17 Mar 2019  

    Convert flv to mp4 using ffmpeg

    FFmpegThere are many tools, including free ones that allow for video conversion, however, many of them use GUIs and don't allow for automation of tasks. FFmpeg is a command line based tools which allows to do very neat video manipulations.

    We would like to share this small script, which our IT specialists have used for one of our video conversion projects. It parses a directory, finds all flv (Flash video) files and converts them to mp4. This script can be added to a cronjob to run on a scheduled basis. Converted videos can be moved elsewhere upon completion. 

    As mentioned, we've used ffmpeg to accomplish this task, running under Ubuntu 14.04. FFmpeg doesn't come with Ubuntu 14.04 and a package repository needs to be added manually first. 

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  •   16 Mar 2019  

    Configure network in Ubuntu 18

    ubuntu10The network configuration has changed in Ubuntu 18 from all the previous versions. The new version uses Netplan and it is somewhat harder if you don't know yaml. The discussion for pros and cons of this move by Ubuntu can be infinite (why change what's working; this is a tool, I don't want to learn the new ways, etc.), but this is a quick tutorial for quickly changing the IP address. (There's more information available on Netplan)

    The network configuration files are located in /etc/netplan. Configuration file can be opened as below:

    vim /etc/netplan/50-cloud-init.yaml

    With comments removed, this is the configuration data for a simple DHCP setup:

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  •   07 Mar 2019  

    Software RAID check - slow system issues

    linux iconThis is an issue that we, as an IT services company, run into quite frequently. If you are unlucky enough to have a software raid running on your Linux server, you've probably noticed the occasional slowing down of the system. This is because of periodic redundancy checks of MD devices.

    It is a cronjob that runs weekly and scans the MD devices for consistency. This can have a serious effect on the system, especially if you are running IO intensive applications, such as virtual machines. (Microsoft Exchange or SQL, for example). 

    One way to solve this problem is to lower the dev.raid.speed_limit_max. By default, it is set to this:

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  •   02 Mar 2019  

    Windows batch script to replace spaces with underscores

    Command PromptWe regularly share some of the scripts that our IT technicians and support staff puts together (or finds online), especially if we think it may be useful to someone. Below is an example of a windows script (batch) that replaces file names with spaces to underscores. (For example: "file name.txt" will be changed to "file_name.txt")

    The script recursively goes through the directories and makes adjustments.

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  •   23 Feb 2019  

    MailScanner: skip certain email checks

    One of our IT Support clients asked us why some emails are coming in with extra HTML content. After some searching, we've discovered that is was due to the MailScanner antispam system: it was parsing emails improperly and adding extra junk characters. We have decided to solve this by skipping the email from that domain from being scanned altogether.

    One way to do so is to change the Scan Messages directive in MailScanner.conf from:

    Scan Messages = yes

    to

    Scan Messages = %rules-dir%/scan.messages.rules

    Then, in your rules directory, create a file called scan.messages.rules. In that file, be sure to add the line for scanning all by default:

    Read More
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