ip – Mac OS X How is the configuration of the hostname configured?

I took over a network of Mac Minis at work.
The system was installed by a development company that went bankrupt and can not be contacted.

Each of the Mac minicomputers is connected to a Mac Pro acting as a server. Minis get their IP address and other server settings based on their host name.

Can any one tell me where this information is stored on the server so that I can add new machines to the system?

Disk Utility – Problems with Cloning an OS X Drive into a Smaller Disk

I'm trying to move my OS X installation to a smaller drive because I plan to move to another operating system, but it takes a lot longer than expected and I hope that One can help me here.

The SSD that now contains OS X is divided into 4 partitions: EFI, Yosemite, Recovery HD (linked to Yosemite), El Capitan. I've narrowed each partition (except EFI of course) and I moved it to the left. Thus, only the first ~ 120 GB of the disk are used, the rest is not allocated. Also note that there is a Hackintosh, so there are slight differences between the bootloader and the EFI content. This SSD is working perfectly on all partitions and Disk Utility does not detect any problems.

The first thing I tried was to create partitions on the hard drive that start and end in the same sectors as the SSD (with gpt in terminal iirc), then with Disk Utility (later tried with Gparted) for clone the original partitions on the news and fix them. the disk to repair the partition table. It did not work – the disc was not bootable.

I've read in this book and other sites that disk utility users are simply used to restore a larger disk with enough free space in a smaller disk, and it works. I've tried the same thing but I get a strange error (error OSStatus 6): the volume is not Apple_HFS or Apple_UFS. Except for EFI, this is not true. The destination disk had an empty partition formatted in HFS +, but the disk utility still reported the error before it could check the destination. Note that I've tried this since El Capitan, Recovery HD and a separate installation dongle from High Sierra.

I tried to create an image of the entire disk. To do this, I formatted another 500GB disk in GPT with an HFS + partition and I used it as a destination for the image file, but Disk Utility lamented that it it needed a space as large as the source drive, even if the image had to be compressed. .

Using CloneZilla did not bring me much further. Trying to clone a disk to another gave me an instant error – even after selecting the option not to check the size of the destination disk relative to the source (I will try again tomorrow with a new SATA-USB adapter that I have today). CloneZilla, like many Linux tools, would have been poorly supported by HFS +. I've also tried to create a disk image with Clonezilla. It seems to work well and the data copy of each partition was finished, but just before the end, an error occurred and the operation was interrupted, rendering the image unusable (I did not record the actual error here, I can rerun it and report if you think it may be relevant). The image was on the same 500GB drive as the one previously used with Disk Utility, but this time in exFAT format.

I then agreed to try a commercial software. I've tried Carbon Copy Cloner, which allows the user to copy only single volumes at a time. I tried to clone all the content, but after that, the drive was no longer bootable. I later tried to dd the EFI partition from the SSD, but that made no difference. Note that the simple volumes on the newly cloned drive did start well if I launched the boot loader (Clover in my case) from another drive (the SSD or the USB installation) . The same thing happened after trying some other methods mentioned above.

At this point, I am running out of ideas and it gets a little frustrating. What do I neglect? How can I clone this disc and use it as if it was the original? Thanks for the help.

pdf – Import / export of preview signatures on OS X 10.14 Mojave from OS X Sierra

I'm using a Mac Pro (mid-2010) running MacOS Mojave (no tracking pad and no camera) and I could not export the signature file of my Macbook Air ( mid-2013) running on MacOS Sierra.

I've tried the old process of copying the com.apple.previewLegacySignaturesConversion.plist file with its keychain password and pasting it on my Mac Pro, and then creating annotation privacy. signature (which did not already exist) for the preview application (using the keychain password for the file copied above). And it did not work. How can I solve this?

high sierra – Unable to partition the internal Toshiba drive for reinstallation of OS X,

I'm trying to resurrect an old MBP and I'm not sure how to get there. Hope you can all shed some useful light on things.

The MBP in question dates from around 2012 and immediately starts on the OS X base system at startup. Going through the 'Reinstall Max OSX' option & # 39; (High Sierra, in this example), I am able to go beyond the license agreement, but I do not have any disk volumes other than the base system (which I obviously can not replace) . In addition, the base system itself seems to occupy about 350 GB of the total hard drive of 500 GB.

When I navigate in the Disk Utility options, I can only run a first-time check or partition both the OS X base system and the internal hard drive (Toshiba MK5065GSXF hard drive) . When trying to partition I have no option to increase the number of partitions. In addition, the OS X base system now records a size of 500GB in this menu.

So, short story – the hard drive seems clogged. If anyone has any ideas on what I could try afterwards, I'm all ears. Otherwise, this little dinosaur could be recycled.

libgdx – The most popular resolutions and image formats for Android OS 2019

I'm developing the game with the Libgdx framework. When I tried to manage multiple screen resolutions, it turned out that Libgdx was not following the Android approach to handle the size and density of the screen (folders mdpi, hdpi, xhdpi, etc.).

I've found a single way to manage assets – ResolutionFileResolver
I need to create folders with a different resolution and during the loading process, Libgdx chooses a more appropriate texture for the current device.

The Android platform has a huge amount of phones and tables with different screen resolutions. I have to find a good strategy to fix it.

For example, consider the case where I have 2 files in my game: "800×480" and "1440×2560". The device on which I run the game has "1280×720". In this case, the resolution "800×480" will be chosen as more appropriate. This leads to poor quality textures.
In addition, I can not leave a single asset of high quality. This leads to cutting all older devices with a small amount of RAM.

The idea is to create the 3 most popular resolutions for 3 categories:
low, medium and high resolutions.

  1. Where can I find Android device resolution statistics? I know the Android developer dashboard, but it does not display screen resolutions.

  2. Does anyone use Libgdx in 2019? How to deal with multiple screens of this frame?

  3. All real statistics on the most popular aspect ratio? Which aspect ratio do you choose as "base" in your games?

I would love to know the "best practices" to cover as many devices as possible with good quality of view.

Need Lineage OS 16

I have "Sony Xperia Z3 + Dual [E6533] "Due to the lack of support from the developers, we have no custom ROM other than Lineage OS 14.1.I have read a forum that says it's easy to carry a ROM on the same chipset, but that there is no proper guide to update the device tree Create a ROM from the updated device tree My phone has the same chipset as Nexus 6P and Oneplus 2. So everyone can create "Lineage OS 16" for my phone so we can see the light of day

PHP – How to pegas as photos of acordo com os check box selecionados (Ajax)

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How to emulate the touch screen on Android OS

sorry for my english my knowledge of android is very little ..

I have to install Android OS x86_64-7.1 on my Virtualbox on my desktop, I will configure the mouse to emulate a touch screen, I do not know how.

Please someone can help me, thank you!

Which OS is the best of all i.e Linux / Ubuntu / Centos / Fedora

Which are the best among all systems, namely Linux, Ubuntu, Centos, Fedora.