Admins often need to automate things, like creating a dedicated account for joining machines to an Active Directory (AD) domain. Â This is useful for things like System Center Configuration Manger task sequences and System Center Virtual Machine Manager templates or similar needs. First create a standard Windows user account. Â Next, right-click on the Computers Organization…
Category: Platform
How to Configure Time Server (NTP Server) on Centos 7?
Prerequisites: VM/ Physical – It is recommended to have the time server as a physical server, but VMs should be okay depending on your setup and requirement. My virtual lab environment is VMware based so here’s the guide for a VM. Once the CentOS Minimal is installed on the VM make sure to install open-vm-tools….
How to restart management agents on ESX or ESXi host
If you are not unable to connect ESXi server to vCenter, or when you cannot connect to ESXi server from VI client it may be necessary to restart the management agents on ESX or ESXi host. To restart the management agents on ESXi 6.x This applies to ESX4/5.x/6.x For the restart of the management agents (mgmt-vmware…
Creating Security Groups for File Shares in Bulk using PowerShell
Security Groups are great for managing large groups for permissions. Â A client requested that they needed to have Read-Only, Read-Write, and Ready-Modify (allow for deleting) for all their file shares for better management. Getting the Share Names In order for me to create the groups I needed the share names. PowerShell to the rescue! Type…
Remove duplicates, blank lines, spaces, to get unique values and sort data in one operation
From time to time I come across this need; where I need to scrub a file where there are duplicates, there are blank lines, the sort order is all wack, and it just needs to be formatted to where it can be more readable and/or usable. This method just doesn’t apply to text, but also…
Delete Files and Folders Older Than X Days
Often times admin have to creates tasks like removing log files or some other files on a regular schedule. Here is an automated way of removing files / folders older than X days. Create a Batch file or Powershell script and add it to scheduled task. Batch File:
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@echo off :: set folder path set dump_path=c:\shares\dump :: set min age of files and folders to delete set max_days=7 :: remove files from %dump_path% forfiles -p %dump_path% -m *.* -d -%max_days% -c "cmd /c del /q @path" :: remove sub directories from %dump_path% forfiles -p %dump_path% -d -%max_days% -c "cmd /c IF @isdir == TRUE rd /S /Q @path" |
Powershell:
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# set folder path $dump_path = "C:\shares\dump" # set min age of files $max_days = "-7" # get the current date $curr_date = Get-Date # determine how far back we go based on current date $del_date = $curr_date.AddDays($max_days) # delete the files Get-ChildItem $dump_path -Recurse | Where-Object { $_.LastWriteTime -lt $del_date } | Remove-Item |
Remove disabled users from Distribution Lists & Security Groups in Active Directory
One of my clients had several disabled users showing up in distribution lists and security groups and this was creating unnecessary noise in email, alerts, etc. I highly encourage all administrators to keep their AD neat and tidy. The following PowerShell script searches for disabled users in Groups and Distribution Groups and removes them:
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# This script removes all disabled users from all security and distribution groups in the specified "searchOU" Import-Module ActiveDirectory $searchOU = "OU=Groups,DC=domain,DC=local" $adgroup = Get-ADGroup -Filter 'GroupCategory -eq "Security" -or GroupCategory -eq "Distribution"' -SearchBase $searchOU $adgroup | ForEach-Object{ $group = $_ Get-ADGroupMember -Identity $group -Recursive | %{Get-ADUser -Identity $_.distinguishedName -Properties Enabled | ?{$_.Enabled -eq $false}} | ForEach-Object{ $user = $_ $uname = $user.Name $gname = $group.Name Write-Host "Removing $uname from $gname" -Foreground Yellow Remove-ADGroupMember -Identity $group -Member $user -Confirm:$false } } |
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Active Directory: Changing passwords for users in bulk using a .csv file
Many accounts in your AD might need a password change. What if you want to do this in bulk ? First, we need to the userlist. Depending on your requirements we need to get a list of users (specifically samaccountname). For random password generation I recommend using http://manytools.org/network/password-generator/ as it can generate up 1000 for…
Linux: CentOS 6 kernel panic+0xa7/0x16f fix
So ran into a view issue for a Linux Host today. Kernel Panic !!! There could be a number of reasons that you might get this error. The three common reasons may be: There was a change to selinux config – (that might be an error in the config file) There are disk errors The…
VMware: Intermittent Error: Unexpected character ‘’ (code 65279 / 0xfeff) in prolog; expected ‘<' at [row,col {unknown-source}]: [1,1] pop up in Windows vSphere client ?
Recently, I got the error below when using the vSphere client. Problem: I have only tested this solution on: Solution: Repair your installation of Microsoft Visual J#® 2.0 Redistributable Package – Second Edition (x64) Download The error went away after repair. In trying to google the error some user have reported that uninstall the patch KB3147458 worked for…