Recent Questions

Creating a website for your business? While planning to have a constantly available website, you cannot afford to overlook the key trends in web hosting. With the impact of web hosting growing at trem...

It’s rapidly nearing the end of 2018, which means ride sharing services have been around for nearly five years. In that short period of time, ride sharing has developed into a massively popular indust...

I have 2 crucial sticks in my ASUS P8Z68-V LX atm. I'd like to go to 8GB and wanted to know if the lower voltage Kingston sticks would be compatible? ...

How are local ports determined The port number is chosen by the TCP implementation software from a range of port numbers called Ephemeral Ports. The exact mechanism for choosing the port number and the range to be used is Operating System dependent. Is there a way of forcing it to be 63999. Not without reprogramming the TCP implementation software. The Ephemeral Port Range A TCP/IPv4 connection consists of two endpoints, and each endpoint consists of an IP address and a port number. Therefore, ...

I'm an L2 helpdesk guy and I have a user whose Lenovo L440 will not connect to wifi. The wifi icon in the notification area shows a red X and the "tu wireless on" button is greyed out in the Mobility Center. When she presses F8, it shows that wifi is on. The adapter is enabled and "allow to tu off to save power" is unchecked. We've reinstalled Pro/Set Wireless, and tried to install the adapter driver from the Device Manager. When I uninstalled the device there, checking the "remove driver" check...

During Ping command what kind of packet they are going to send ? I got output like this: 19 packets transmitted, 19 received, 0% packet loss, time 18006ms so what is strategy behind this . also I want to know how I come to know that my packet is receiving at remote destination. Let's block ads! بخوانید...

Can anyone tell me how to block any network streams packets etc. that have hopped to .ru at any point blocked from accessing pic and/or router. Continual loss of sysadmin on all OS platforms, including mobile, by hijacking of built in admin account. Shortcuts deleted and new built in admin name ( very similar to original sysadmin eg. "Default" changed to "default user" ) permissions, access, changed shortly thereafter. Unable to log onto come.exe even though owner useame is still shown as admin....

First - yes I support old stuff... not blades and the like, Racks of 2 and 4U servers, up to 16 of them in a set. A hardware IP KVM solution in new deployments answers all of my issues, my gap currently is that I want to equip each location I support with a low cost Dongle they can connect to any troubled server (say they blow up the BIOS settings and need help or the RAID controller needs configured or maybe a server is blue screening and we need to capture the stop data after windows crashes r...

Recently started working as the tech support for a small company. Recently I leaed that they've all been experiencing graphical glitches with Microsoft Office that I think might be a symptom of larger issues. Has anyone ever seen a graphical error like this before and if so how was it resolved? Here's a video of the glitch: https://goo.gl/photos/E2oynsAXfNJMTaau9 It's affected both Office 2010 and 2013, other programs are affected at the same time, its not reproducible as far as I've been able t...

I have set up some virtual machines using VMware Workstation PRO 12 in my server (running on CentOS 7 3.10.0-327.28.2.el7.x86_64 keel) and it works fine as long as the firewall is disabled. Now i want to activate the firewall and allow the communication to be established. here is a sum up of the setup that i have Chain INPUT (policy ACCEPT) target prot opt source destinationACCEPT udp -- anywhere anywhere udp dpt:domain ACCEPT tcp -- anywhere anywhere tcp dpt:domain ACCEPT udp -- anywhere anywh...

I'm playing around with my fresh Windows 2012 R2 VM and am following this guide to convert it to a 'workstation'. I have network discovery on and all the other advanced sharing settings necessary on my server-tued-workstation. I have a Win 8 VM that is hosting a shared folder and my win 10 machine that's hosting a shared folder. The majority of the time, I'm able to access the shared resources. The problem I've run into is that if I restart my Win2012 VM, my mapped connections break. I run into ...

I usually use xfbu for rewriting DVD-RW's.When I insert one of DVD-RW's that has experienced rewriting many(10~20) times into my PC and try to rewrite the DVD-RW,xfbu fails in rewriting.When I use Brasero,the result is the same.And in some cases after the insertion of the DVD-RW,my PC continued reading it without end,so can't mount it.Are there any means to aoid these situations? Let's block ads! بخوانید...

I have a print server hosted on a separate domain and I need to give access to users from a different domain to the shared folder without asking them to authenticate. I tried enabling the Guest account and didn't work. I enabled a GPO to deploy the printer but for some reason it's not working. I'd love your help on this issue. Let's block ads! بخوانید...

I am running Win 7 Home, SP1 I am having search problems and this Reg Key: HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindows Search is missing. Please advise ...

Super User is a question and answer site for computer enthusiasts and power users. Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers are voted up and rise to the top ...

I have a vagrant box with Linux inside under Windows 10 (VirtualBox 5.1.4, Vagrant 1.8.5). Inside the vagrant box I cannot create a symlink: /home/vagrant/my-shared-folder/ $ ln -s /any/path/to/linux/box/folder my-symlink-name Under Windows 7 it was working with: How do I create a link in Windows 7 home premium as a regular user? So, has anything changed under Windows 10? Let's block ads! بخوانید...

I have this printer where I use it software to print barcodes labels. Is it possible to use this printer, without its software but sending the printer command, with java command? ...

I want to use distributed computing in the cloud to deal with big data for data science competitions (Kaggle). What are my options for distributed computing software? So far I know of Apache Spark, Hadoop, and MATLAB. Are there any others I'm not aware of? As a side question, which one is most likely the best to use? So far it seems like Spark, since it is faster than Hadoop MapReduce, has a lot of built in features (e.g. MLlib machine leaing), and is free. Let's block ads! بخوانید...

In my free time I like to program small to medium programs in C++. I am using an Ubuntu VM and QtCreator as IDE. Until yesterday I only programmed on my local home-PC. Now, I bought myself a laptop. I am looking for a way to synchronize the source code between my Home-PC and my laptop. That means that if I change the source-code on my Home-PC and then boot up my laptop, I have the same source-code on both machines and vice versa. I know very little about version control systems like git. I think...

Yes, proof UPS,FEX ED, and etc all use them. QRcode are simple patte of binary values either a 1(black) or 0(white) and that is it. The squares can be bigger or smaller, but you still have a 2 digit alphabet. There are no different fonts,styles, or anything. Also because they are so uniform sizes can be auto-detected. They also built-in error checking which is never done,sure spell check can help on text but sometimes it also causes errors, with individual letters when typing or handwriting. If ...