Administrator

Grant Mailbox Access Permission to Microsoft365 Mailbox

December 25, 2020

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Cloud, Microsoft365

To grant full access to an Microsoft 365 Mailbox you must first connect to the remote PowerShell, and provide MailboxPermission.
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PowerShell Connect to Exchange Online

December 25, 2020

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Cloud, Microsoft365

Steps to connect to Exchange Online in Microsoft 365
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PowerShell connect to Microsoft 365 AD

December 25, 2020

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Cloud, Microsoft365

How to install Microsoft 365 AD PowerShell modules, both AzureAD and Msol and how to connect to Microsoft365 PowerShell
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Difference between /sbin/nologin and /bin/false

December 1, 2020

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Linux

Both /sbin/nologin and /bin/false are used to refuse login attempt however they differ slightly on providing customizable error message.
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Install-Module is not recognized as the name of a cmdlet, function, script file, or operable program

December 1, 2020

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Cloud, Microsoft365

Install-Module cmdlet by default, is not recognized on Windows 2012 R2 server. When running Install-Module on PowerShell, you will receive an error saying Install-Module : The term ‘Install-Module’ is not recognized as the name of a cmdlet.
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Install Docker on Ubuntu without direct internet connection

December 1, 2020

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Docker

Follow steps to manually install Docker on air-gapped Ubuntu systems with no access to the internet.
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Containerd.io depends libseccomp2

December 1, 2020

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Docker

containerd.io depends on libseccomp2 (>= 2.4.0) error is thrown while installing docker. To resolve this dependency error, build-essential and fix install.
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Zabbix Agent doesn’t start – Failed with result ‘exit-code’.

November 19, 2020

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Zabbix

We encountered problem after fresh installation of Zabbix Agent in Ubuntu. Zabbix Installation Error zabbix_agentd[4770]: zabbix_agentd [4770]: /etc/zabbix/zabbix_agentd.conf.d: [2] No suc systemd[1]: zabbix-agent.service: Control process exited, code=exited status=1 systemd[1]: zabbix-agent.service: Failed with result ‘exit-code’. systemd[1]: Failed to start Zabbix Agent. systemd[1]: zabbix-agent.service: Service hold-off time over, scheduling restart. systemd[1]: zabbix-agent.service: Scheduled restart job, restart counter…
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Fix print_req_error: I/O error, dev fd0, sector 0

November 19, 2020

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Linux

In fresh Ubuntu installation, fix print_req_error: I/O error, dev fd0, sector 0
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Ubuntu installation loop after mentioning static IP address

November 4, 2020

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Linux

Ubuntu installation process is continuously returning back to the beginning when you setup static IP address in the network configuration. In order to overcome this problem, do not mention Search domains in the network configuration.
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