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1500 questions
137
votes
6 answers
How do I expand all columns in Excel spreadsheet?
I have a spreadsheet with many columns. The columns are all a small standard width. Double-clicking the partition line between columns will expand the column width to encompass the longest string in that column.
Is there a shortcut to perform this…
MattUebel
- 1,753
137
votes
10 answers
Keyboard shortcut to jump between tabs on OS X Terminal
In OS X Terminal.app, if you open new windows, you can easily switch between them with Cmd-1, Cmd-2, Cmd-3, etc.
You can also cycle between tabs, using Cmd-Shift-{ and Cmd-Shift-}. (or Cmd-Shift-Left and Cmd-Shift-Right)
But is there a way to jump…
Dan Fabulich
- 2,927
137
votes
3 answers
Why does my browser think that https://1.1.1.1 is secure?
When I visit https://1.1.1.1, any web browser I use considers the URL to be secure.
This is what Google Chrome shows:
Normally, when I try to visit an HTTPS site via its IP address, I get a security warning like this:
From my understanding, the…
Deltik
- 19,603
137
votes
11 answers
SSID with very similar name, is this an attempt of hacking?
I noticed that another SSID pops up in my WiFi with the same name as mine (quite personal so could've only been intentionally copied) but a couple of the letters are capitalized. Their version has no security. Mine has WPA-PSK2. I tested it to be…
K. Pick
- 1,117
137
votes
4 answers
How to delete the Recovery Partition in Windows 10?
I need to convert the disk containing my operating system to a dynamic disk (from a basic disk). Unfortunately there is no room on the disk to convert the drive from basic to dynamic.
Microsoft documents the problem, and notes the solution is to…
Ian Boyd
- 22,187
136
votes
3 answers
How to select paravirtualization interface in VirtualBox?
Given a windows 8 host system (Intel Core i5) and a Linux Fedora host, I would like to determine the optimal setting for the paravirtual interface.
Options are
none
Default
Legacy
minimal
Hyper-V
KVM
This page suggest the selection is only based…
Beginner
- 1,494
136
votes
4 answers
Can you extend the expiration date of an already expired GPG key?
Lets say I add an expiration date to a GPG/PGP key, then for some reason am unable to extend the expiration date of the key before its time is up.
Assuming I still have access to the private key (and the public key has only expired, not been…
IQAndreas
- 3,987
136
votes
5 answers
My PC is not a phone - how do I remove the swipey pre-log in screen from Gnome 3?
I'm currently running centos 7 (the server with gui config) on a VM. I'd like to keep the log in screen, but the 'phone' style pre-login lock screen that requires a swipe to access the main login screen is annoying. Is there any simple way to…
Journeyman Geek
- 129,178
136
votes
12 answers
If RAM is cheap, why don't we load everything to RAM and run it from there?
RAM is cheap, and much faster than SSDs. It's just volatile. So why don't computers have a LOT of RAM, and on power up, load everything to the RAM from the hard drive/SSD and just run everything from there, assuming there's no real need to persist…
pkr
- 1,267
136
votes
9 answers
How do I turn off Modern UI and get the old Start Menu back in Windows 8?
I just bought a new Windows 8 laptop, but I want to get rid of the new "Modern UI" Start Screen, and get the old Start Menu back. How do I do this?
MatthewSot
- 3,657
136
votes
2 answers
What's the difference between "su" with and without hyphen?
I'm quite new to Linux terminal and I'm not quite sure what the difference between su with a hyphen and su without a hyphen is, for example: su - username vs. su username.
I looked into the documentation but in there, this was not mentioned. Could…
user574183
- 1,479
136
votes
12 answers
How to disable Ctrl+Shift+U?
Ctrl+Shift+U is a combined shortcut in Eclipse.
But when I press it, it shows up a u, just like input with an underline. I guess this shortcut has been declared by Ubuntu, so I can't use it.
I used to solve this problem by typing Caps Lock first.
Is…
Frank Cheng
- 1,463
136
votes
6 answers
How do I check what DNS server I'm using (on Mac OS X)
In Mac OS X, how do I check what DNS server I'm currently using (preferably a command line solution)?
System Preferences > Network shows 192.168.1.1, which is my router's address and not the real DNS server.
ryanprayogo
- 1,875
136
votes
4 answers
What does the "Maximum Frequency" number mean in the Windows Resource Monitor?
In the Windows Resource Monitor's CPU tab, there is a status box and graph for the "Maximum Frequency", right next to the "CPU Usage" values. What does this mean? The value is sometimes over 100% on my system... what could that imply?
By looking at…
nhinkle
- 37,390
136
votes
3 answers
Where does Putty store known_hosts information on Windows?
How do I tell if Putty already knows about and has cached credentials for specific ssh servers?
Another way to ask this question is what is the Windows/Putty equivalent of a unix/ssh known_hosts file?
Hitesh
- 3,071