WordPress 401 error - Fix it now

This article covers easy to follow methods to resolve WordPress 401 error. 

The 401 error has multiple names including Error 401 and 401 unauthorized error. 

These errors are sometimes accompanied by a message ‘Access is denied due to invalid credentials’ or ‘Authorization required’.


To fix the 401 error in WordPress:

1. Temporarily Remove Password Protection on WordPress Admin

2. Clear Firewall Cache to Solve 401 Error in WordPress

3. Deactivate All WordPress Plugins

4. Switch to a Default WordPress Theme

5. Reset WordPress Password

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Encrypt email messages in Outlook - Follow this guide now

This article covers the different methods to encrypt email messages in Outlook: using certificates (S/Mime), Office 365 Message Encryption (OME), and using encryption add-ins.


To Encrypt a single message:

1. In message that you are composing, click File > Properties. 

2. Click Security Settings, and then select the Encrypt message contents and attachments check box. 

3. Compose your message, and then click Send.


In Outlook, All attachments are encrypted.

Recipients who access the encrypted email via the Office Message Encryption portal can view attachments in the browser.

Note that if the recipient of the file is using an Outlook.com account, they can open encrypted Office attachments on the Office apps for Windows.


To view an encrypted email in Outlook:

1. Select Read the message.

2. You'll be redirected to a page where you can sign in and receive a single-use code.

3. Check your email for the single-use code. Enter the code in the browser window, then select Continue to read your message.


To encrypt a message in Office 365:

1. Sign in with Global Admin credentials.

2. Click on Admin.

3. Click on Settings.

4. Click on Services & add-ins.

5. Click on Microsoft Azure Information Protection.

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Code 9c57 Windows Update Error - Fix it now

This article covers fix the Code 9c57 Windows Update Error. Error Code 9c57 generally corresponds to a failed installation of Internet Explorer 11. In addition to that, the KB 2882822 update requires validation of genuine Windows installed on the system, so you may visit the link referred in the third question and check if your Windows requires activation.


What is 'Error code 9c57' in Windows Update?

Windows Update error 9c57 is an error that may occur when you are trying to install “Windows IE9 in Windows 7 for x64 Based System” update.


How can you fix ‘Error code 9c57’ in Windows Update?

Some of the common fixes include:

1. Manually installing Internet Explorer

2. Deleting SoftwareDistribution and running DISM command and sfc/ scannow command


Causes of Windows Update Error 9C57 - Error 9C57:

During software design, programmers code anticipating the occurrence of errors.

However, there are no perfect designs, as errors can be expected even with the best program design. Glitches can happen during runtime if a certain error is not experienced and addressed during design and testing.


To fix Windows Update Error 9C57 - Error 9C57:

1. When you get a runtime error, keep in mind that it is happening due to programs that are conflicting with each other. 

The first thing you can do to resolve the problem is to stop these conflicting programs.

2. Update / Reinstall Conflicting Programs

3. Virus infection causing runtime error on your computer must immediately be prevented, quarantined or deleted. Make sure you update your virus program and run a thorough scan of the computer or, run Windows update so you can get the latest virus definition and fix.

4. You might be getting the error because of an update, like the MS Visual C++ package which might not be installed properly or completely. What you can do then is to uninstall the current package and install a fresh copy.

5. You might also be experiencing runtime error because of a very low free space on your computer.

6. If the error is related to a bad graphics driver, then you may do the following:

Open your Device Manager, locate the graphics driver

Right click the video card driver then click uninstall, then restart your computer

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Add MySQL database in Websitepanel and fix common errors

This article covers add MySQL database in Websitepanel and fix a common errors related to this task.

A database interface allows you to create and manage the existing MySQL databases. If you are creating a PHP based application or any application that uses a database, then you will need to create a database and a database user to access this database.


To create a MySQL database in WebsitePanel:

1. Click on the plan you want to add a MySQL database to.

2. Then click Databases.

3. Click MySQL.

4. Click Create Database.

5. Enter a name for your database.

6. Click Save.

7. You can click on the database you just added to edit it.

8. You can view existing users or delete or backup the database.

9. Click Save when you are finished


Success! You can view your added databases and see how many allowed databases you've used.

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sudo sorry you must have a tty to run sudo - Fix it now

This article covers how to resolve the error sudo: sorry you must have a tty to run sudo which happens because the sudo command tries to execute a command that requires a tty. 


To fix "sudo: sorry, you must have a tty to run sudo" error:

You have to run your ssh command as follows to avoid error that read as sudo: Sorry, you must have a tty to run sudo Error:

ssh -t hostname sudo command

ssh -t user@hostname sudo command

ssh -t user@box.example.com sudo command1 /path/to/file


The -t option force pseudo-tty allocation. This can be used to execute arbitrary screen-based programs on a remote machine, which can be very useful, e.g., when implementing menu services. 

Multiple -t options force tty allocation, even if ssh has no local tty.


The requiretty option in sudoers file

The requiretty if set in sudo config file sudoers, sudo will only run when the user is logged in to a real tty. 

When this flag is set, sudo can only be run from a login session and not via other means such as cron, shell/perl/python or cgi-bin scripts. 

This flag is set on many distores by default. Edit /etc/sudoers, file, enter:

# visudo

Find line that read as follows:

Defaults    requiretty

Either comment it out the line or delete the line:

#Defaults    requiretty

Save and close the file.

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Unable to allow access for disk path in libvirtd - Fix it Now

This article covers tips to fix the error Unable to allow access for disk path in libvirtd. By default, migration only transfers the in-memory state of a running guest (such as memory or CPU state). Although disk images are not transferred during migration, they need to remain accessible at the same path by both hosts.


To fix Unable to allow access for disk path in libvirtd error:

Set up and mount shared storage at the same location on both hosts. The simplest way to do this is to use NFS:

1. Set up an NFS server on a host serving as shared storage. The NFS server can be one of the hosts involved in the migration, as long as all hosts involved are accessing the shared storage through NFS.

# mkdir -p /exports/images
# cat >>/etc/exports <<EOF
/exports/images    192.168.122.0/24(rw,no_root_squash)
EOF


2. Mount the exported directory at a common location on all hosts running libvirt. For example, if the IP address of the NFS server is 192.168.122.1, mount the directory with the following commands:

# cat >>/etc/fstab <<EOF
192.168.122.1:/exports/images  /var/lib/libvirt/images  nfs  auto  0 0
EOF
# mount /var/lib/libvirt/images

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