I'm trying to remove double spaces and replace them with just one. So far I've tried: sed -i 's/ / /g' ... sed -i 's/[[:space:]][[:space:]]*/ /g' ... tr -s ' ' But none work. Then when I go to the file, those whitespaces I want to remove actually require two presses of an arrow key to move over...

I accidentally deleted ~/.bashrc file and now whenever i enter some command on terminal, it is giving me below error. The command could not be located because '/usr/bin:/bin' is not included in the PATH environment variable. I tried adding export PATH=/bin:/usr/bin:/usr/local/bin:/sbin:/usr/sbin...

I have an odd issue that is actually solved but which I'm curious on if anyone knows the cause of. I have a laptop (Lenovo ideapad 330) which came preinstalled with Windows 10. I have installed Ubuntu 20.04.1 LTS beside windows and can dual boot to either of them via grub. When booting the laptop...

I installed elementary OS after deleting pre existing windows on my hard drive. But now, I cant see my SSD in linux drives list and somehow the second windows I had installed on my SSD vanished.

PROBLEM: I had a degraded disk in my RAID 10 array which I created using mdadm. I first removed the disk, replaced it with a new one, but when I rebuilt, I got an error saying it couldn't detect the file system of the disk. I realized with fdisk that the disk label was dos(/dev/sdc), and the inne...