Fedingo

How to Undo or Redo Yum Install in RHEL/CentOS/Fedora

Sometimes you may need to undo/redo yum install command in RHEL/CentOS/Fedora. Here are the steps to do it.

Sometimes you may get passwd authentication token manipulation error while logging into Linux. Here are the steps to do it.

Sometimes you may need to create multiple user accounts in Linux. Here are the steps to batch create multiple users.

Sometimes you may need to find location of php.ini. Here are the steps to do it.

Sometimes you may need to delete rows from dataframe based on condition. Here are the steps to do it.

Often you may need to iterate over rows in Python Pandas. Here are the steps to do it.

Sometimes you may get SettingWithCopyWarning error message in Python Pandas. Here is how to fix it.

Often you may need to get row count of pandas dataframe in python. Here is how to do it.

Often you may need to merge dataframes in Pandas based on columns. Here are the steps to do it.

Sometimes you may need to change default display manager in Ubuntu Linux system. Here are the steps to do it.