Ubuntu vim editor / etc/php/7.1/fpm/pool.d,E21 cannot be modified because the option 'modifiable' is off

use vim edit / etc/php/7.1/fpm/pool.d, in ubuntu18.04 to prompt E21 not to be modified, because the option "modifiable" is off, how to solve this

Lnmp ubuntu
Mar.07,2021

I don't know much about php, but if you fail to modify the file, you may not have permission to save it with sudo or root,. If it doesn't work, try changing the file properties, chattr + I file, and then edit

you're right, I was careless, operate on a folder,?

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MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1ea225a-46633.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1ea225a-46633.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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