Because Active Directory is a multi-master database, changes can be processed at any given domain controller (DC), regardless of whether the DC is connected or disconnected from the network. A limited number of operations are not permitted to occur at different places at the same time and must be the responsibility of only one domain controller in a domain or forest. All domain controllers are capable of performing these single master operations. The domain controller that actually performs a single-master operation is the domain controller that currently holds the operationâs token, also known as the ârole holderâ.The operation's token, and thus the role, can be transferred easily to another domain controller without a reboot. Because the role is not bound to a single DC, it is referred to as a Flexible Single Master Operation (FSMO) role.
active directory windowsThe tombstone lifetime in an Active Directory forest determines how long a deleted object (called a âtombstoneâ) is retained in Active Directory Domain Services. The tombstone lifetime is determined by the value of the tombstoneLifetime attribute on the Directory Service object in the configuration directory partition. You can use this procedure to determine the tombstone lifetime for the forest.
Typically when a USN goes backwards, it is due to a supported restore from backup. When this process occurs, the invocation ID changes. Since all replica partners track replication based on DC GUID, Invocation ID, and USNs, a supported restore method keeps the previous invocation ID as âretiredâ and effectively ignores it. The new database Invocation ID & associated USN are used to get AD changes from the DC⊠except when the USN rolls back with NO change in Invocation ID. This means that when a DC is in a state of USN Rollback, AD updates can be performed on that DC with none of the changes replicated to its replication partners.
active directory windowsA roadmap of ports and protocols and services that are required by Microsoft client and server operating systems, server-based applications and their subcomponents to function in a segmented network.
network security windowsThe researchers measured nighttime light levels in the bedrooms of 863 elderly Japanese adults by placing ceiling-facing light meters at the heads of everyoneâs beds for two nights, to approximate as accurately as possible the light they would see while going to sleep. People who saw more than five lux of light at night were much more likely to develop symptoms of depression than those who slept in a completely dark room.
reading scienceProcesses event trace logs or real-time data from instrumented event trace providers and allows you to generate trace analysis reports and CSV (comma-delimited) files for the events generated.
windowsEnables you to retrieve information about event logs and publishers. You can also use this command to install and uninstall event manifests, to run queries, and to export, archive, and clear logs.
windowsEvent Tracing for Windows (ETW) is a high-speed tracing facility provided by the Windows Operating System. ETW is the core tracing facility in Windows on top of which both the Event Log and WPP are built.
Windows Event Log is a management-focused event system, designed for system administrators and IT professionals to easily consume events. Tools such as the Event Viewer and Windows PowerShell interact with the Event Log to receive and display events to users.
Windows Software Trace Pre-Processing (WPP) events are primarily for debugging applications and drivers. WPP does not use the same APIs to log events as ETW and Windows Event Log providers.
windowsEnhanced DNS logging and diagnostics in Windows Server 2012 R2 and later includes DNS Audit events and DNS Analytic events. DNS audit logs are enabled by default, and do not significantly affect DNS server performance. DNS analytical logs are not enabled by default, and typically will only affect DNS server performance at very high DNS query rates.
windows server 2016 windows windows server 2012 dnsIn powershell:
Get-ChildItem "HKLM:SOFTWARE\Microsoft\NET Framework Setup\NDP\v4\Full\" | Get-ItemPropertyValue -Name Release
microsoft
powershell
.net
International list of DevOps conferences for 2018.
devopsWebpack, the amazing module bundling Swiss army knife that you should probably start using, is all about letting you write modular UI code with explicitly declared dependencies.
tutorial javascript cssWe are the Keepers of the Cog. In so being, we also maintain the sacred text wherein lie the simple truths of cycling etiquette known as The Rules. It is in our trust to maintain and endorse this list.
cyclingEbenâs guide to leveled logging:
ERROR: "your code is really broken"
WARNING: "your code is broken, but only in a subtle way that will bite you later"
INFO: "irrelevant trivia"
DEBUG: "information that would help you understand what's going on if you had enabled debug logging in production which you didn't"
devops
sysadmin
You donât have to look hard on the internet to find plenty of useful one-liners in bash, or scripts. And there are guides to bash that seem somewhat intimidating through either their thoroughness or their focus on esoteric detail.
Here Iâve focussed on the things that either confused me or increased my power and productivity in bash significantly, and tried to communicate them in a way that emphasises getting the understanding right.
tutorial bashA completely incomplete guide to packaging a Python module and sharing it with the world on PyPI.
tutorial pythonCreate Sankey diagrams from text input.
Wages [2000] Budget
Interest [25] Budget
Budget [500] Taxes
Budget [450] Housing
Budget [310] Food
Budget [205] Transportation
Budget [400] Health Care
Budget [160] Other Necessities
graphing
free
Create sequence diagrams from test input.
Alice->Bob: Authentication Request
note right of Bob: Bob thinks about it
Bob->Alice: Authentication Response
free
tools
Chrome plugin that monitors websites for changes.
chrome plugin free