Automatically add your SSH key to the agent when needed

I want to run ssh-agent (with maximum lifetime option), but not add any keys at startup, but instead add them on demand.Like first time I login to some server it should ask for passphrase, next t... | Continue reading


@superuser.com | 5 years ago

Can you plug the computer directly into the wall to access the internet?

Sorry if this is a basic question but I realize I'm missing part of the theory here.My system is essentially: wall -> ethernet -> router -> wifi -> computerBut I'd like to simplif... | Continue reading


@superuser.com | 5 years ago

Screen vs. tmux

I'm about to get back into using GNU Screen, but I have been hearing people occasionally mention tmux as a better alternative. Does it really offer an alternative to all the features Screen offers,... | Continue reading


@superuser.com | 5 years ago

Mac OS classic was a pure GUI OS without the concept of a command line shell

Is there even a Terminal? I can't seem to find one anywhere in Applications or Utilities. | Continue reading


@superuser.com | 5 years ago

What happens to TCP connections when I remove the ethernet cable?

For a TCP connection, when I remove the cable and reconnect after 30-40 seconds there is no packet loss issues. But when the reconnect time is more than a few minutes all the packets are lost. I kn... | Continue reading


@superuser.com | 5 years ago

Power supply: When do I need a pure sine wave UPS?

I would like to buy a rack UPS that would support all the IT related electronics in a SOHO room. This include switches, routers, PCs, servers, NAS. During my research I found out that there are dif... | Continue reading


@superuser.com | 5 years ago

On windows, folder named '.' acts as 'rabbit hole'?

The folder name was listed in Explorer with just plain four dots .....When I tried opening it, I came into some kind of endless rabbit hole loop where I opened the exact same folder again and aga... | Continue reading


@superuser.com | 5 years ago

Where to find stylesheets for Firefox developer tools themes

The mozilla firefox developer tools has two different themes, a light and a dark. The dark is the default theme for Firefox developer, the light is the default theme for the normal Firefox. I would | Continue reading


@superuser.com | 5 years ago

OS X like scrolling behavior for Windows

Is there a way to make a mouse scroll wheel invert its direction? I'd like to scroll upwards and have that action scroll downwards and vice-versa. There is no setting on the Mouse control panel that | Continue reading


@superuser.com | 5 years ago

What is the purpose/function of “.ßßß” files?

While trying to copy the contents of a 16GB usb drive, I got a warning that there was not enough free space. Checking the properties of the folder tree on the usb drive, I found a large number of ... | Continue reading


@superuser.com | 5 years ago

Chrome 68 “Not secure”: how to make it in red color?

Chrome 68 new security featureI absolutely love the new feature which is showing:on all non-HTTPS sites as of Chrome version 68.Though, I would like it in red color for my mother to see clearly | Continue reading


@superuser.com | 5 years ago