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updates

SSH: "Permissions 0644 for 'my_key.pub' are too open."

Why is 0644 i.e. -rw-r--r-- too open for a SSH key? Also I could not find any false permissions on the .ssh directory (0700) or the home directory (0731)....

Published: Jul 28, 2026

news

Outlook 2016 Can No Longer Expand Distribution Group - + Plus Sign Missing - Looks Like Microsoft Recent Update

Microsoft, in its infinite wisdom, appears to have removed the plus sign next to Microsoft Office 365 Group email addresses. I have a group called All tha...

Published: Jul 28, 2026

news

Extract tar.gz file to a directory and create the directory if not exist

I know that I can run $ tar xf somefile.tar.gz -C somedir to extract the tar.gz file to somedir, but it requires somedir exists first. Is there a way to e...

Published: Jul 28, 2026

updates

How to fix error " The printer driver cannot connect to the network print server"

Scenario We have a Label printer it's an Intermec PF8t that we are sharing over network. The Label printer is connected USB to a Windows XP machine a...

Published: Jul 28, 2026

updates

Install a CD-ROM driver on MS-DOS

I have an old MS-DOS computer that I am experimenting with. The computer has an AMD 80386 processor, 1664 KB of RAM, a 50 MB hard drive, and two floppy di...

Published: Jul 28, 2026

general

Apt install vs apt-get install. Does they do the same task?

If I want to install git (only a example) on ubuntu Xenial, I just do apt-get install git. But another option could be apt install git . After read this p...

Published: Jul 28, 2026

updates

Can my DVD burner write "Dual Layer" disks?

Is there a generic way to find out if a DVD burner can burn dual layer DVD’s without trying and potential waste a disk? Right now it’s this drive I’m wond...

Published: Jul 28, 2026

general

How do you gunzip a file and keep the .gz file?

The default behavior of gunzip is to delete the .gz file after it decompresses. How do I prevent it from deleting the file?? If this functionality is not ...

Published: Jul 28, 2026

updates

how to block the porn websites [closed]

I am using broadband connection in my home. I have "Tenda F3 300Mbps" router. I want to block all the porn websites or sexual content in the devices which...

Published: Jul 28, 2026

updates

"screen is terminating" for non-root

When I try to run screen as a non-root user I get: screen [screen is terminating] immediately, though it works fine for root ls -alh /usr/bin/screen -rwxr...

Published: Jul 28, 2026

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