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[Music] [Music] hello my name is Adam Linder and I'm a big fixed technical adviser based out of Philadelphia Pennsylvania in this video we'll be talking about how to create a Windows software installer package using the console before we get started feel free to scan the QR code in the bottom left of the screen which will bring you to my LinkedIn profile if you have any questions after the video I'll be happy to follow up with you big fix is a powerful tool with a myriad of uses one of the places I think it really shines is its ability to deploy not just the software packages provided by HCl but arbitrary packages built in to fix lips by console operators most of the quote-unquote heavy lifting actually has nothing to do with big fix big fix is just the glue that holds everything together I follow the same three steps for every software package I create in bigfix the first is to figure out how to install the program from the command line this is often referred to as a silent or quiet installation different installers are packaged with different methods but some combination of googling and trying common command line flags will usually get you what you need next I figure out how to detect if the program is installed at the version that I want using relevance don't worry if you aren't irrelevance whiz you can modify a single piece of relevance to do this for just about all windows software you can see an example of that relevance here on this slide during the demo I'll show how I derived it finally I turn my installation commands into a fix lit you usually don't have to put in much effort to go from working command line installation to working fix lit so that's exactly what you'll see in this video I'll create a fixed look to install 7-zip first by figuring out the command line syntax then showing how to determine relevance to check if it's installed at or above your desired version the relevance that we use there will be able to be reused in packages you create in the future and the next we'll create and push the fix lit let's get into the demo to demonstrate the most common type of package you'll build I'm going to make a fix lip from the 7-zip MSI installer if you can try to track down an MSI installer for the package you're making silent installation for MSI is is typically one-size-fits-all so much so that as you'll see big fix will automatically put the installation syntax into our fix lip it's not a problem if you aren't able to get an MSI there's almost always a way to install software silently you can often determine the silent switches for an executable by running it with the slash question mark slash H or slash help flags I've downloaded the Installer for the statistical software R and as you can see if I run it with the slash question mark flag it tells me that I can use the slash very silent flag to install it quietly in general you want to pick whatever seems like it's least likely to try to get input from the user during installation other common flags are slash lowercase s slash capital S slash silent and slash quiet but your particular package may have special syntax since we're installing an MSI today we'll use the MSI exec slash I command with the path to the Installer to install it I'm gonna add the /qn flag which indicates that we want a quiet installation with no interface then it may not be strictly necessary but I like to include the slash no restart flag in case there's a bundled reboot that might kick a user off in the middle of the day just because we're trying to install some software then because it's a silent installation I like to log in verbose mode so that I can make sure that our installation actually worked so let's run it it's a good-sized log here I'm optimistic that it worked check our Start menu and 7-zip is installed so let's now look at relevance for figuring out whether computer already has 7-zip and if it's at the version that this installer package installs it at I'm going to open up the fix lip debugger which is an invaluable tool for writing relevance in ActionScript if you've dabbled in the world of relevance you may have seen the red jobs inspector programs that are good platform citizens register themselves with the OS and the reg apps inspector can return information about them let's take a look at the list of the installed reg apps by running names of reg apps it looks like 7-zip shows up in the list which is great but trust me when I say that not every program will it's worth putting in the effort to write a slightly more complicated but much more extensible piece of relevance so what's the alternative every piece of software installed on Windows shows up in the add/remove programs list so we just need to query that information it turns out that information is stored in this area in the registry under hklm software microsoft windows currentversion and uninstall there's a sub key for every installed program but they're not that easy to read through they've got these weird goods there's all this information here but big fix is really great at returning usable information from the registry so let's go back to the fix live debugger and look at how we might get that information so right here I just have a simple query asking whether or not that key actually exists so we're checking in the 32-bit and the 64-bit registry and we're just asking it does this key exist so we know that key exists so let's look at the keys of that key so this is going to return us a list of all of the sub keys so we could check we would see that this matches we were only looking in the 64-bit area so that's why we get more results here when we looked over there in the GUI but we have our list of keys now I noticed while I was in there that all of the software has a value for display name that's what's gonna help us track down 7-zip so let's go values display name of keys so this returns a much more manageable list you'll notice that some other stuff dropped off that's built in stuff that doesn't have display names as part of it but we got 7-zip here and we know that that's the value of the display name so I'm going to write a new clause asking for the display version because the two pieces that we care about here are is the software installed and what version is it installed at so you may have seen that we can get that with display version and now we know which key we're looking for so I'm going to use what's called a who's statement to narrow down the keys that we're looking at to just those where the value display name of it as string starts with 7-zip and run it and so that gives us version 19 point 0.0 0.0 now we have both pieces of information that we need to write our final relevance clause which is going to report back true if seven zips not installed or is installed at a lower version than what our package offers and false if it's already installed at the version we're offering or higher we can reuse most of this relevance clause from before remember that we were using this whose statement to limit the keys that we were looking at to only the ones that start with 7-zip so now we have an additional piece of information that we want to limit our check to and that is the display version so the value display version of it string is greater than or equal to that 19 number we got before so running this is going to give us the location of that registry key which we don't really care about all we care is that it exists but remember what I said before we already have 7-zip but this computer is reporting back true that's because we need to add a not exists so that the relevance is actually checking is it true that there is not a key that matches these criteria and if there's not a key matching that criteria it means that we need the software often the quickest way to get a package into bigfix is by using the software distribution wizard so I'm going to go into all Wizards and then select the Windows software distribution wizard we've made a package for 7-zip 19 so I'm going to put that in click Next now I have to point it to the software installer so I'll put that there click Next this is going to attempt to auto generate some relevance for us but we already wrote a good relevance clause so we're not gonna use this we'll just leave it and deal with it later same with this screen we put in the work to write a relevance clause that's gonna work for us so we don't need what this is gonna do click Next so as I mentioned before because this is an MSI bigfix is smart enough to know well the way that I install MSI is is I use /i I do Q n and no restart we can leave this I'm just gonna put in that logging syntax that we mentioned before just in case something goes wrong and we need to take a look once we click Next and finish it creates our fix lip it's Auto populated the description with all of the os's that we set our fix with supports so I'm just gonna get rid of that over here on the relevance tab it's got all that information again so I'm gonna simplify it a little bit and just say Windows of operating system I'm also going to constrict it because this is a 64-bit installer to only 64-bit operating systems so we'll do x64 of operating system these are properties of the operating system object that you can find more information about on the bigfix developer website finally I'm going to add in the relevance clause we came up with before to detect 7-zip over here on the actions tab you can see what bigfix is auto-generated for us we have a prefetch command which handles downloading the payload from our server we have an extract command which handles extracting the compressed payload and then we have this weight command so weight is one of a few ActionScript verbs ActionScript is the language that fix lips are written in so what weight is gonna do is it's gonna run whatever command comes after it wait until that command posts any exit code meaning that the command has finished and then it's going to move on to whatever the next command is so if we had a handful of commands here it would run line three wait til that process completed run line four and so on so the other thing to call out here is that this doesn't just say MSI exact /i /qn it uses what's called relevant substitution so relevant substitution is when you put the relevance language between some curly braces it turns pink purple whatever you want to call it and it returns information that you didn't have to hard code so the reason it's doing this this way is you could picture this as C colon slash system32 slash msi exec DXE but maybe on someone else's computer msi exec is in d slash system32 slash msi exec or what have you so this is just using relevance to determine the absolute path of msi exec before it installs it similarly it's giving us the absolute path to the relative folder underscore underscore download which is where extracted payloads live but that's it everything else is what we provided so we can save the fix lip in a couple minutes this will become relevant and I'll push it we're relevant for the fix lit so let's just push it and make sure everything worked I've got my big fix log pulled up here so we should be able to see momentarily that it learns that it's got an action to run and it runs it there's more information about the big fix log and another video on this channel here you can see it become relevant and then just like that 7-zip downloads and installs looks like our fix lurks that's our video on creating software installation packages using the big fix console this slide has links to some additional resources the forum is a particularly good place to go if you're stuck feel free to scan the QR code on the right to connect with me on LinkedIn thanks for watching