#sysadmin

207 posts

@dev_community RFC 1918 Gateway Collisions: Why Downstream Routers Auto-Shift Subnets (and How to Diagnose via CLI) #Networking #DevOps #Sysadmin
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Oct 19, 2026
@dev_community tcpdump and dig Examples You'll Actually Paste Into a Runbook #Networking #DevOps #SysAdmin
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Oct 19, 2026
@server_fault No reconnection attempt after temporary downtime on a Wildfly ActiveMQ cluster-connection #SysAdmin #Java #Messaging
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Oct 19, 2026
@dev_community FSMO Role Transfer Failed: A Read-First Owner, Replication, Permission, and Seize-or-Wait Triage #WindowsServer #ActiveDirectory #SysAdmin
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Oct 19, 2026
@server_fault What Are the Best Ways to Improve Server Performance and Network Reliability? #SysAdmin #Networking #Performance
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Oct 19, 2026
@dev_community Windows DNS Server Not Resolving External Names: A Read-First Forwarder, Root Hints, and Recursion Triage #Networking #SysAdmin #WindowsServer
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Oct 19, 2026
@dev_community Why your 2-node Proxmox cluster freezes (and the QDevice fix that is not a third server) #Proxmox #HomeLab #SysAdmin
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Oct 19, 2026
@dev_community The Target Principal Name Is Incorrect: A Read-First DNS, DC Password, SPN, and Kerberos Event 4 Triage #Tech #Security #SysAdmin
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Oct 19, 2026
@dev_community Revocation Server Was Offline (0x80092013): A Read-First CRL, CDP, Cache, and Offline Root Triage #WindowsServer #Security #SysAdmin
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Oct 18, 2026
@dev_community Certificate Autoenrollment Not Working: A Read-First GPO, Template Permission, CA, and DCOM Triage #WindowsServer #ActiveDirectory #SysAdmin
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Oct 18, 2026
@super_user List processes with CAP_LINUX_IMMUTABLE capability #Linux #SysAdmin #Security
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Oct 18, 2026
@dev_community WSUS Not Downloading Updates: A Read-First Sync, Content Folder, BITS, Proxy, and TLS Triage #WindowsServer #SysAdmin #Networking
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Oct 18, 2026
@dev_community How to apply only security updates on AlmaLinux, Rocky Linux and RHEL with dnf #Linux #Security #Sysadmin
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Oct 18, 2026
@dev_community Remote Desktop Licensing Mode Is Not Configured: A Read-First License Server, CAL, and Grace Period Triage #WindowsServer #RDP #SysAdmin
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Oct 17, 2026
@unix_stackexchange Is there a difference between having nftables disabled and having it enabled with an empty ruleset? #Linux #Networking #SysAdmin
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Oct 17, 2026
@dev_community Microsoft 365 Unlicensed Product: A Read-First License, Account, Activation Mode, and Token Triage #Microsoft365 #SysAdmin #PowerShell
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Oct 17, 2026
@dev_community Universal Print Not Working: A Read-First License, Share, Client, and Connector Triage #Azure #Windows #SysAdmin
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Oct 17, 2026
@dev_community Outlook Calendar Permissions Not Working: A Read-First Folder Role, Delegate, and Sync Triage #Tech #SysAdmin #Outlook
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Oct 16, 2026
@habr_ru Зачем сисадмину ИИ-агент: реальный опыт работы с pi #AI #SysAdmin #Linux
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Oct 16, 2026
@server_fault Self-hosted mail server not reaching some recipients #SysAdmin #Email #Networking
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Oct 16, 2026
@dev_community Dynamic Distribution Group Not Updating: A Read-First Recipient Filter, Preview, and Refresh Triage #SysAdmin #Exchange #PowerShell
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Oct 16, 2026
@dev_community Firefox Enterprise Deployment: Policies, Group Policy, and Configuration Management #DevOps #SysAdmin #Security
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Oct 16, 2026
@unix_stackexchange How to copy a file that keeps growing, without losing the copy when the original file suddently gets deleted? #Linux #SysAdmin #Shell
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Oct 16, 2026
@dev_community Shared Mailbox Not Showing in Outlook: A Read-First Full Access, Automapping, and Client Triage #Tech #SysAdmin #Outlook
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Oct 16, 2026
@dev_community Exchange Online Retention Policy Not Applying: A Read-First Purview vs MRM, Distribution, and Scope Triage #Tech #Cloud #SysAdmin
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Oct 16, 2026
@ask_ubuntu Raid 5 Creating Raid 5 #Linux #Storage #SysAdmin
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Oct 15, 2026
@dev_community AADSTS50105 User Not Assigned to a Role for the Application: A Read-First Enterprise App Assignment Triage #Azure #Security #SysAdmin
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Oct 15, 2026
@dev_community The cluster joined fine. Its heartbeat was on the wrong network. #Tech #SysAdmin #Networking
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Oct 15, 2026
@dev_community Intune App Protection Policy Not Applying: A Read-First License, Targeting, and Check-In Triage #Intune #SysAdmin #MobileDev
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Oct 15, 2026
@dev_community Intune OneDrive Known Folder Move Not Working: A Read-First Silent Sign-In and Policy Triage #Intune #OneDrive #SysAdmin
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Oct 15, 2026
@dev_community Intune Remediation Script Not Running: A Read-First Exit Code, Context, and HealthScripts.log Triage #Intune #PowerShell #SysAdmin
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Oct 14, 2026
@dev_community Windows Hello for Business Provisioning Will Not Be Launched: A Read-First NGC and Intune Policy Triage #Windows #Intune #Sysadmin
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Oct 14, 2026
@server_fault Logging into a Linux server #Linux #SysAdmin #Networking
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Oct 14, 2026
@server_fault Issue of Books API [closed] #SysAdmin #Networking #Cloud
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Oct 14, 2026
@dev_community Hybrid Azure AD Join Pending: A Read-First Triage Order for Entra Connect Admins #AzureAD #EntraID #SysAdmin
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Oct 14, 2026
@dev_community AzureAdPrt : NO in dsregcmd /status: A Read-First Primary Refresh Token Triage #Azure #SysAdmin #DevOps
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Oct 14, 2026
@unix_stackexchange Power Button Cuts Power Immediately #Linux #Unix #SysAdmin
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Oct 13, 2026
@dev_community Autopilot ESP Stuck at Account Setup: Read-Only Triage #Tech #SysAdmin #Windows
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Oct 13, 2026
@dev_community Intune Compliance: Not Applicable, Is Active, Minimum OS #Intune #SysAdmin #Microsoft
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Oct 13, 2026
@dev_community Your cron job did not fail. It never ran. #DevOps #Programming #SysAdmin
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Oct 13, 2026