Category: Uncategorized

  • Swap file appears to have holes

    error message – solution – you need to zero-fill the file you are using as swap steps to remediate this – first of all, remove the existing file with the holes. create the new swap file using the following command: check the file type being displayed now. it’s just a data file. change the permissions […]

  • unexport a variable in the shell

    say you have assigned some value to a variable from the shell or a shell script using the export command and now you want to remove that variable, either programatically or manually.