0

Tips & Tricks : List Event Logs and associated sources

-

To list all Event Logs and sources associated with them use:

Get-EventLog -LogName * |ForEach-Object {$LogName = $_.Log;Get-EventLog -LogName $LogName -ErrorAction SilentlyContinue |Select-Object @{Name= "Log Name";Expression = {$LogName}}, Source -Unique}
4

How-to : Publish multiple URLs with single IP and HAProxy

-

Many times there is a need to publish multiple websites from internal network, but there is only one public IP address available.

How this can be done easy way? HAProxy can help us with it.

In example configuration I have 2 URLs registered to same public IP address:

  • first.laboratory.net
  • second.laboratory.net
  • third.laboratory.net

Here is how HAProxy configuration for given example looks like…

(more…)

0

Code snippets : Restart IIS Application Pool in PowerShell

-

If you need to watch IIS application pool and start it once goes down and want to use PowerShell for that here is simple script for that.

Script includes also logging all restarts in log file which is created in same folder as script.

# AppPool to monitor
$AppPoolName = "AppPoolName"

# Log Destination
$LogToScreen = 1
$LogToFile = 1

# Determine script location for PowerShell
$ScriptDir = Split-Path $script:MyInvocation.MyCommand.Path

# Output log
$OutputLogPath = $ScriptDir + "\AppPoolRestart.csv"

#Check if file exists and create if it doesn't
If(!(Test-Path -Path $OutputLogPath)){
#Create file and start logging
New-Item -Path $OutputLogPath -ItemType File
}

###
# Function: LogMessage
###
function LogMessage($Msg, $ToScreen, $ToFile)
{
if ($ToScreen -eq 1)
{
Write-Host $Message
}

If ($ToFile -eq 1)
{
Add-Content -Path $OutputLogPath -Value $Message
}
}
###
# End Function: LogMessage
###

While (1 -eq 1){

Clear-Host

$AppPoolStatus = Get-WebAppPoolState -Name $AppPoolName

$DateTime = Get-Date

If ($AppPoolStatus.Value -eq "Stopped"){
Write-Host "Not Working"
Start-WebAppPool -Name $AppPoolName
$Message = "App Pool $AppPoolName restarted at $DateTime"
LogMessage $Message $LogToScreen $LogToFile
}Else{
Write-Host "Working"
}

Sleep 5
}
1

Tips & Tricks : Analyzing Windows memory.dmp file

-

Many times you think how to extract some information from memory.dmp generated by Windows once it crashes. Let’s have a look into quick process, which might be very helpful in many cases during troubleshooting unexpected BSODs on client computers.

Before we start we need tool, WinDbg, which is available on Microsoft.com. In order to download WinDbg go to WDK and WinDbg downloads on Microsoft. On that page locate section Standalone Debugging Tools for Windows (WinDbg).

Once you download and install WinDbg we are ready to start.

So, let’s see what’s in memory.dmp

(more…)

5

How-to : Install Bareos with WebUI on openSUSE 13.2

-

Recently I went through installation process of Bareos on openSUSE. Bareos seems to be interesting solution for backups in heterogeneous  environments.

Ok,let’s start and see how to deploy in 5 steps:

  • Step 1: Add repository with Beros and Beros WebUI; Install Beros
  • Step 2: Create Bareos database and Tables on MySQL
  • Step 3: Configuring Bareos (few config files)
  • Step 4: Starting services and accessing WebUI portal
  • Step 5: Enable/Autostart Bareos services (optional)

(more…)

0

Cheat Sheet : SCO Vi Quick Reference Guide

-

I just found vi reference from Santa Cruz Operation (SCO) 🙂 Nice piece of memorabilia as well as handy reference for vi beginners.

Page 3 of 1212345...10...Last »