utility

Remove Green Power function from UPS: allow UPS work with low load

Does your UPS turn off after exactly 5 minutes? Quiet, it's not broken, it's the fault of the Green Power function. In the past years, in fact, several brands manifactured their UPS with a function called Green Power, and due to Green Power function the UPS shutdown in 5 minutes when it is on battery and the total load on the UPS is equal or less than 10% of the UPS capacity, therefore if there...

Linux: how to run speedtest from terminal

Sometime I need to check the internet speed via command line interface (cli) on some headless Linux server without X11. I could install some apposite tool but considering that I usually need to execute the speedtest on the fly and once only, then I prefer a simpler alternative, I use speedtest-cli . Speedtest-cli is a an open source software that can be execute without installation, via wget or...

Windows: download the Debugging Tool as standalone archive

Officially to use the Windows Debugging Tool we have to download the whole Windows SDK and then we have to search it and install it. Fortunately Julien Crozon has extracted, packed and made available Windows Debugging Tool 6.12 as standalone archive, we have only to download it and execute Windbg: Debugging Tools for Windows v6.12 x64 Debugging Tools for Windows v6.12 x86 Source: bugslasher.net

Windows Update stuck on Checking for Updates: solve the problem with WSUS

If on Windows should happen that Windows Update search the updates forever, remaining stuck on "Checking for Updates" the simplest way to solve the problem is using WSUS Offline Update . Browsing the web for this problem a lot of people advise to install some packet or some patch, I tried everything and for me the only solution has been using WSUS Offline Update to search and install the missing...

Windows: manually start VMware

Usually VMware automatically start at boot time, to start and stop it manually we can disable the autostart of the following services: VMware Authorization Service VMware DHCP Service VMware NAT Service VMware USB Arbitration Service and we can use a batch script as the following: @echo off echo Start/Stop VMware Workstation services echo. echo 1. Start echo 2. Stop echo. choice /c:12 If...

Regedit and PsExec: how to edit and delete every key in the Windows registry

If you think that running the regedit as administrator then you can edit or delete every key present in the Windows registry then you are in error. Even running the regedit as administrator there are some low livel keys that can't be edited or deleted, trying we have this explicit error: Access Denied or: Error while deleting key If we have to edit or delete one of these untouchable keys we can...

Script to remove the unused devices not connected to the pc in Windows

Windows Device Manager only shows the devices that are connected to the computer and so if we want to remove an old device not more connected we should before connect it and then we could remove it. Remove the old devices now unused is really important to have a clean computer. nella macchina. If we don't have more a device we will not find it anymore in the list but we can use some command to remove it. We have to start the Prompt cmd.exe as administrator and we can use these commands: set devmgr_show_nonpresent_devices=1 start devmgmt.msc In the window that will be opened in the Device Manager we have to enable the viewing of the hidden devices. Only now we will have a list of every installed device and we can choose which of them remove. To automate this, I created a script that will...

Enable preview .mp4 files on Windows Vista/7

On Windows Vista and Windows 7 by default are not enabled previews of many files, including the files .mp4. To enable previews of the files we have to edit the registry as follows: [HKEY_CLASSES_ROOT\.mp4] @="VLC.mp4" [HKEY_CLASSES_ROOT\.mp4\ShellEx] [HKEY_CLASSES_ROOT\.mp4\ShellEx\{BB2E617C-0920-11D1-9A0B-00C04FC2D6C1}] @="{F6E3DA91-1220-4fb3-85EC-CF494D9FF7DD}" [HKEY_CLASSES_ROOT\.mp4\ShellEx\{...

Linux, solve the problem "unable to change /file permissions"

We could have to copy some files from the linux home formatted as ext3/ext4 to a windows partition usually formatted an ntfs, in this case the file could be regularly copied from the linux partition to the windows partition but we could have on the screen this message: unable to change /file permissions This happens because the ntfs filesystem, differently from the linux filesystem, does not...

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