Each thickness has its own noise-blocking power or STC rating. STC stands for Sound Transmission Class and is a laboratory test to determine the effectiveness of a product’s ability to block noise. Loosely translated, the STC number is the number of decibels that can be reduced. When deciding which Silent Wrap mass loaded vinyl is best for you, keep in mind that the rating is the reducing capability, not the end result. Mass loaded vinyl will directly stop sound moving from one area to another. This can range from sound moving through a wall into another room to noise from pipes transmitting into the surrounding area. ![]() When choosing a mass loaded vinyl, you must determine if the noise that is impacting you needs to completely disappear (difficult to do) or do you want to muffle the noise so it isn’t as bothersome. Mass loaded vinyl can be installed on virtually anything. MLV can be attached to walls, on top of ceilings, around pipes, on fences. Weight and thicknessĪpproximate decibel level it will be reduce The most common areas mass loaded vinyl is used is on top of grid ceilings to stop noise getting out and on walls either on the studs before drywall or in between sheets of drywall to stop noise penetrating through the wall. Sound waves create vibrations when they make contact with a surface. ![]() If the surfaces are hard, those vibrations transfer back into a room raising the decibel level. The vibrations are also subject to increasing in size and transferring to the air surrounding the outside of a room. ![]() If the structure were flexible or mobile, it would absorb the energy from the vibrations and disperse that energy, and this is where Mass Loaded Vinyl Acoustic Barrier is valuable. Walls and floors are not typically made of flexible materials but are hard surfaces. MLV acts as a soundproofing barrier within the structure to prevent sound vibrations from leaving the space. The flexibility of mass loaded vinyl acoustic barrier is what makes the product an excellent barrier for vibrations, thus preventing the transmission of sound on floors or walls.
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![]() Other operating systems: The latest Easy WiFi version from 2023 is also available for Mac. It runs on both 32-bit and 64-bit systems with no dedicated 64-bit download provided. Vote: 6. CON: It might not be possible to boost extremely poor wireless signals or those obscured by objects such as thick walls. PRO: The addition of a cable provides superior levels of flexibility. ![]() Previous versions of the operating system shouldn't be a problem with Windows 8, Windows 7 and Windows Vista having been tested. Simple utility for accessing nearby Wi-Fi hotspots. What version of Windows can Easy WiFi run on?Įasy WiFi can be used on a computer running Windows 11 or Windows 10. Download and installation of this PC software is free and 4.0.110 is the latest version last time we checked. ![]()
![]() Step 92: Here's where we put the Kill Self block (under Actor > Properties, if you recall). Step 91: Now we add a " Less Than Or Equal To" block (under Flow -> Conditions again, it looks contains a " Getters) is less than or equal to 0 or not. Next, drag an if block inside the Always block (in Flow -> Conditions in the Palette). To start, click the + Add Event button, mouse over Basics again, and select When Updating. Step 90: Finally, we need to add an Event that checks the number of Health Points the Enemy Ship has left and destroys it if it has 0 (or fewer, in case it gets hit more than once very quickly). Switch the "increment" field to " decrement", and select " Health Points" in the number field (if not there already). Switch back to the Enemy Ship's Custom Event, and then grab the Increment Number By block (found in Numbers & Text > Math in the pallete) and put it inside the custom event. Step 89: Now that each Enemy Ship will have 3 health points when they're created, lets do some damage to them when they're hit. Click on Attributes -> Setters in the Palette and drag over the Set Health Points to block, snap it inside the When Created Event, and type 3 into the empty field. Step 88: Now lets actually set the initial Health value. ![]() Create a When Creating Event (click + Add Event, then mouse over Basics, then click When Creating). Step 87: Add another event to the Enemy Ship. Step 86: Create a new Attribute, select Number for its type, and name it Health Points (click the Attributes button on the Palette, then the Create an Attribute button). To track how many hits it can take, we're going to need an attribute to store a "Health" value. However, we actually want the enemy ship to take multiple hits. Now, if the enemy was just going to take one hit and be destroyed we could put a kill self block in here and be done with it. This will cause the previous "tell" block we added (to the bullet) to trigger any code that we put in this event when triggered. Step 85: The event wrapper will appear, in the blank field type "Hit". Click Add Event and select Advanced > Custom Event. Step 84: Switch to the Enemy Ship actor and access the Events tab for it. The event should look like the image below. Type "Hit" into the text field, and then grab the blue Actor Of Type block from the collision event wrapper above and insert it into the Actor spot. We're going to use the same collision to also tell the Enemy Ship that it was hit by a bullet.įrom the palette, find the Trigger Event in all behaviors for block (found in Behavior > Triggers) and snap it above the Kill Self block (we want it to be triggered first). Step 83: While still in the Bullet's events we should be looking at the Actor - Type collision event. ![]() Now we put those bullets to use! We want to give the enemy some health so it can take a few hits, and then destroy it once it takes too much damage. Comments Crash Course 2: Invaders - Part 12 ![]() Using Homebrew, installs a number of CLI and GUI packages that improve security and privacy (see below).Ensure XCode and Homebrew are correctly installed and configured.Configure curl based on drduh's recomendations.For example, you can customize the installed packages and apps with something like:Īny variable can be overridden in config.yml see the supporting roles' documentation for a complete list of available variables. You can override any of the defaults configured in by creating a config.yml file and setting the overrides in that file. Instead, clone the repo and run the playbook direclty using ansible-playbook main.yml -skip-tags "install-only" If you already have dnsmasq or dnscrypt-proxy running as homebrew services, don't use the install script.If you already have a designated "admin" account, make sure you run this from that account.You can also use the same curl -> bash method on an established machine, but with a couple of caveats: If you get an error about needing sudo permissions for any of the steps in the playbook during a subsequent run, initate sudo with sudo -v first, then re-run ansible-playbook main.yml -skip-tags "install-only" If Running on an Existing Device It's on the roadmap to automate that update process via a launchdaemon or cron job. Then:Īnsible-playbook main.yml -skip-tags "install-only " You can re-run the playbook to get the latest changes. Note that if you take this route and need to perform brew operations while using your admin user, you'll need to reverse this process to reclaim ownership of the homebrew directory. Now your non-admin user controls Homebrew. sudo chown -R, where = /opt/homebrew on ARM Macs and /usr/local/Homebrew on intel Macs.su to your admin user when you need to install/update packages.Packages installed with homebrew are available to all users on the system, but brew commands that make changes (ie, brew install or brew upgrade) will only be available to that user. Note: This workflow results in homebrew being owned by your admin user account. Use standard for day-to-day activities (including linking to Apple-ID, if desired).Create a second "standard" account (ie, no admin privileges).Run the install command above from your terminal.Start up the new device and create a designated "admin" account.This is meant as a set-up script for a new device. Run brew doctor to see if this is the case. ![]() Note: If some Homebrew commands fail, you might need to agree to Xcode's license or fix some other Brew issue. It provides a set of defaults and installs packages that will improve the basic security posture of your machine, but does not guarantee it's security or your privacy. Disclaimer: You are responsible for your own computer's security and using this playbook does not guarantee anything. It is based in large part on the CIS Benchmarks for MacOS and drduh's MacOS Security and Privacy Guide. This playbook will provide a baseline of security and privacy for a new Mac. Figuring out how long the actual content is, isn't trivial, but it's important. And the size of kiosk.img ends up being much larger than necessary.Īgain, the default is for "dd" to copy the entire length of the source storage device, which could be much larger than the actual content. Like this: $ sudo dd if=/dev/disk5 of=kiosk.img bs=(content size in bytes) count=1 & syncįinding out the content size is not trivial (it depends on the source, how it was created, etc.), but the actual content might be 10% of the size of the source, which explains why all reads and writes take so long - much longer than necessary. The sync argument is very important - it flushes final writes to the device at the end of the process, to avoid having an incomplete device.Īnother approach is to find out how long the image is on the source device, and only copy that much data to the image file. The bs argument creates a block read, so it's faster. Here are the options I used: rsync -avz -progress /mysourcefolder /mytargetfolder Im running Ubuntu Server 9.10. There are no other transfers happening on the drive either. Linux considers anything stored on a file system as files, even block devices. That seems incredibly slow for a USB 2.0 enclosure. Permanenter Link des Eintrags.This may help: $ sudo dd if=/dev/disk5 of=kiosk.img bs=4M & sync Its running its first sync at the moment, but its copying files at a rate of only 1-5 MB/s. tar.bz2 of course.įeel free to add your file transfer quick hack here.ĭieser Eintrag wurde veröffentlicht in Allgemein, CommandLine, FileTransfer, Netcat, Network, Tar, Ubuntu von ccm. If you use something like gzip or bzip2 compression you should choose something like. Please note that on the receiver side you are completely free to choose a file name for the. You just setup a very fast file transfer. ![]() ![]() $ nc -w 10 remotehost 7878 > nameoftar.tar For convenience he also sets a timeout parameter (-w 10): The receiver has to call netcat and tell him to connect to the remote machine and the correct port and redirects the standard output to a file. Netcat is told to start in server mode (-l), listen on port 7878 (-p 7878) and shutdown itself after waiting 10 seconds after having seen an end of file in standard input (-q 10): the report which is displayed once the command finishes, such as: contains the speed which corresponds to the slowest one between: that is if I'm copying data from an USB drive which have a read speed of 5 MB/s to an SSD, dd will actually report 5 MB/s, independently of the speed of the SSD. Then use dd with exactly the following syntax, where x is the letter for the USB drive and y the letter for the internal drive which you have determined in the previous step: sudo dd. The next line tells tar to build a tarball and write it to standard output which is redirected via a pipe to netcat. Use sudo fdisk -l or gparted to find out which block devices your target internal hard disk (usually /dev/sda) and external USB hard disk (usually /dev/sdb) are. ![]() The sender has to call netcat in server mode and pipe content into it. I will just show you how to use it without compression for a directory. ![]() A very simple and even cross platform solution is using netcat and in case of a directory in combination with tar like the following steps. Both computer owners are just to lazy to setup something like ftp, smb, nfs. Imagine you are on lan party or on the road and quickly want to transfer a file or directory to another computer. Do not mark your post as NSFW or as Spoiler unless it actually is NSFW or a Spoiler.
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