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Network CAT 5e vs CAT 6 안녕하세요 allmnet입니다. 최근 네트워크 작업을 하면서 CAT 5e와 CAT6의 차이점에 대해서 확인해 보았습니다. CAT 5e와 CAT6에 대해 여기 아시는 분도 많겠지만 CAT5e는 사용되는 기본 대역폭과 어떻게 보면 네트워크 라인 1세대 라고 할 수 있는 CAT 5 시리즈입니다. 이를 지금 사용해야 할까라는 생각이 들지만 여전히 현업에서 많이 사용되고 있는 상황입니다. CAT 6가 최근 가격이 많이 낮아져서 각광 받고 있는데요. CAT 6는 10Gbs가 기본이라고 할 수는 없습니다. CAT 6는 1Gbs를 기본으로 하는 라인이며 실제 10Gbs를 구현하기 위해서는 CAT 6a를 사용해야 합니다. 그리고 CAT 7도 나왔지만 아직 많이 고가이기 때문에 실제로 많이 사용되지는 않습니다. Type .. 2020. 10. 29.
Powershell - Show Organizer of office 365 Meeting Room mailbox 오늘은 함께 Office365의 Meeting Room 메일박스의 일정에서 제목과 요청자를 볼 수 있는 방법을 알아보도록 하겠습니다. 먼저 파워쉘(Powershell)을 관리자 권한으로 실행합니다. 그리고 현재 Office 365 관리자 권한이 있는 인증 권한을 Credential를 이용해서 저장해 놓습니다. $credObject = Get-Credential 저장한 Credential를 이용하여 Office 365에 연결합니다. $ExchOnlineSession = New-PSSession -ConfigurationName Microsoft.Exchange -ConnectionUri https://outlook.office365.com/powershell-liveid/ -Credential $credO.. 2020. 10. 29.
Wordpress – Set your wp-config.php to writable A definition of a siteurl or homeurl was detected in your wp-config.php, but the file is not writable. Set your wp-config.php to writable and reload this page. WordPress of Bitnami WordPress of Bitnami when use SSL plugin, You can show this error. So, Im recommend to connect SSH that server. You should run the following command within ssh sudo chmod 664 /opt/bitnami/apps/wordpress/htdocs/wp-conf.. 2020. 10. 29.
랜섬웨어 보호 Windows 10 기본 보안기능 Windows 10 랜섬웨어 보호기능 마이크로소프트(MS)가 올 가을 윈도우 10 업데이트를 통해 랜섬웨어 보호 기능을 내놓았고 윈도우 10에 Windows Defender에 새롭게 추가된 랜섬웨어 기능을 알아봅시다. Let’s take a look at the new Ransomware feature in Windows Defender for Windows 10 that Microsoft has released Ransomware protection this fall with the Windows 10 update. https://support.microsoft.com/ko-kr/help/4013550/windows-protect-your-pc-from-ransomware 랜섬웨어로부터 PC 보호 랜섬.. 2020. 10. 29.
Powershell – Create Exchange Room List Distribution Group When you start to make New Meeting on your Exchange Online (Office 365) or Outlook Live, You can choice meeting room of Room List Distribution Groups. Room Finder simplifies the process of searching for an available room while setting up a meeting. It can be very useful if you have a lot of meeting rooms, or if you have multiple locations. New-DistributionGroup Powershell full list of parameters.. 2020. 10. 29.
Netdom Resetpw – when Error “The trust relationship between this workstation and the primary domain failed” When you log on to a computer that is running Windows 7, 10 what else in a domain environment, you receive the following error message: where one of my enterprise customer had issue to login on member servers (running business critical applications) using domain user account. The trust relationship between this workstation and the primary domain failed. Window Event log Is there a way to resolve.. 2020. 10. 29.
SVN - resolve conflict When using SVN, it is often the case that someone else commits and conflicts with the files I work on. Let’s take a look at how easy it can be solved here. When a collision occurs, Files with conflicting mine and revision numbers are created. .mine = Current local file. original name = SVN file .revision number file = SVN different file. You might be see many file. First, check the “Edit conflic.. 2020. 10. 28.
Fix OpenSSL CVE-2016-2107 Vulnerability OpenSSL CVE-2016-2107 Vulnerability A vulnerability has been identified in OpenSSL that could exploit an intermediary attack. When a client communicates with a cryptographic module and server (AES-NI support) associated with AES_128 (256) _CBC, an attacker can decrypt data sent by the client and server through a padding oracle attack. https://www.openssl.org/news/secadv/20160503.txt Affected Ver.. 2020. 10. 28.
Install Windows Admin center on Windows Server 2019 core Install Windows Admin center on Windows Server 2019 core Today, we are going to learn about Windows Admin Center, a way to use Windows Server 2019 core properly. Removing the User Experience (UI) named Core from the existing Windows Server 2008 I tried the server, but most failed because of difficulties in managing the server due to Windows characteristics. However, Windows Server 2019 reflects .. 2020. 10. 28.