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ALT is an IT Support and IT Consulting firm for all business technology needs, with offices in Ottawa, Miami, Philadelphia and Syracuse. 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.

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Latest IT News and Updates

Last updated Jan 7, 2021
  •   21 Sep 2022  

    Converting physical disk to virtual

    Steps to convert a physical disk to a virtual one on a linux system:

    Install qemu-utils:

    apt-get install qemu-utils

    Assuming the physical disk is plugged in and it is /dev/sda, the command is as following:

    qemu-img convert -O vdi /dev/sda /full/path/output.vdi

    The output.vdi can then be attached as a drive to VirtualBox

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  •   11 Aug 2022  

    /var/log/journal accumulating data

    journald is systemd's logging service. It is a utility for querying and displaying logs from journald. The logs for this service are stored in /var/log/journal/, which can accumulate quickly. If you have a system that you need to clean up quickly, getting rid of old journals is one way. There are 2 ways to do it: 

    By limiting the size of the journal:

    journalctl --vacuum-size=200M

    Or going by the number of days:

    journalctl --vacuum-time=5d

    Under normal circumstances, you should not have to touch these directories, as they rotate and space is freed on it's own.

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  •   22 Jul 2021  

    Backup file manipulation operations must be serialized

    This error comes up when trying to perform and operation (such as a backup or database shrink), while another similar operation is already running.

    Backup and file manipulation operations (such as ALTER DATABASE ADD FILE) on a database must be serialized. Reissue the statement after the current backup or file manipulation operation is completed

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  •   23 Feb 2021  

    Enabling mod_proxy on Apache

    A reverse proxy is a type of proxy server that takes HTTP requests and seamlessly distributes them to one or more backend servers. These are useful as apache load-balancers or a central location for web applications. (For example, if you have a main domain, you can have a subdirectory pointed to a web application located on a completely different server. Eg: https://www.example.com/ as the main domain and https://www.example.com/myapp can be sitting on a completely different server)

    Since you are here, you are most likely looking how to enable this feature. We are using Ubuntu server, but the process is similar across all Linux based apache installs.

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  •   11 Feb 2021  

    Tomato Firmware - setup router as access point

    In order to setup the Tomato Firmware router as an access point, the following steps have to be completed. This is a setup for a home environment. If you are setting this up for a workplace, the IP address range should be something other than 192.168.1.1 (as it is too common). Same goes for the Subnet, it should be something other than 255.255.255.0, if you need more than 254 IPs.

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  •   23 Jan 2021  

    Change domain name for Zentyal

    Changing the domain name and hostname in Zentyal server (LDAP) will erase all users and user info (for email) once the Samba has been provisioned. Neverthless, the change can be done by going to System > General.

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  •   01 Jul 2020  

    Dynamics CRM Buttons Greyed-Out in Outlook

    We've had an issue where the CRM buttons were greyed out in Outlook 2010 and CRM 2011. The Outlook CRM addin was properly installed and enabled but when the user opened Outlook and selected the CRM tab, all CRM related buttons and actions are greyed out. This happened when Office 2013 (or later) component was installed on the user’s PC. Because there are shared components between versions, it created an incompatibility.

    As a first step, check event viewer to see if there are any application errors that have been logged regarding the MSCRMAddin load behaviour.

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  •   10 Jan 2020  

    Canon Image Runner change SMTP port remotely

    Some Canon multifunctions do not allow you to change the ports from the web interface (ie: iR-ADV 4525), only when you are in front of the multifunction itself. If there's no on-site access, there's a way to bypass this issue.

    First enable remote access. On the Web Interface, go to:

    Management Settings -> License/Other:

    1) Select "Remote Operation Settings" and enable "Use Remote Operation" checkbox

    2) Select "ACCESS MANAGEMENT SYSTEM Settings" and enable "Use ACCESS MANAGEMENT SYSTEM" checkbox.

    Once done, hit "Apply Setting Changes" and reboot the printer.

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  •   28 Dec 2019  

    Export emails from OST or PST

    Exchange 2013 2 There are a few OST to PST converters available around, most of them commercial products, with some being better than others. We won't list them here, because we haven't tried any. We have ran into a situation where we've had to get the emails from an OST file. The IT support client did not particularly care what format, as long as they were readable. We've used this free, open-source tool that allowed us to extract the emails in rtf and txt format, and extracted the related attachements.

    Please note that this tool does not allow you to convert the files to PST.

    The tool can be compiled from source here: https://github.com/libyal/libpff or you can download this compiled version.

    Example usage: Output all emails in all formats from file.ost

    pffexport.exe -f all -m all file.ost

    Full details on application usage:

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