Skip to content

How to stop ‘echo’ from caching

I run the following: I then make a change to the apache2.conf file and run the command again, expecting a different hash, however it is the same hash which leads me to believe that echo is caching the file in that shell memory. When I open new shell and take a hash of the now-modified file it shows new hash.

Strtok behaviour with delimiter

Below is the code snippet. This works fine. But, when the “line” argument is “Front Board Memory status:Correctable ECC / other correctable memory error detected ; sensor (70, Memory)” The output will be 70 SENSOR_SPECIFIC MEMORY STATE_00 True 8543 Front Board Memory status where the s…

Linux terminal installation yes/no error

I want to set up something, example: phpmyadmin; Terminal CODE: When I enter this code a yes or no question is seen. I answer ‘yes’ ‘y’ but it is cancelled. Answer It asks you: Note the capital “Y”, which means it’s selected by default, so pressing “enter”…

Screen, process kill on disconnect?

Am hoping this can be cleared up : Given, screen session running, and open (attached) in a terminal. Question. If the terminal session is terminated, without being detached from the screen session, would the active process running in the screen session be killed/halted/stopped etc. Thanks Answer It is in the …

Linux whiptail or dialog with menu and input together

I want to use the ‘whiptail’ package to generate a menu box and input box simultaneously on screen. Is this possible? Or maybe with dialog? I can’t find any example of this. I want something like this: Menu item 1 Menu item 2 menu item 3 if none of the above, type your own: Inputbox: The use…

Modification of file names

I have a list of more than 1000 files on the following format. I am on Linux and want to change them as follows Using rename and awk I managed to get The remaining task is now to remove the last field that holds the year. Answer A solution that uses sed to generate the new names and the rename