$ sudo vim /etc/20230712_app_server.log
[sudo] password for user:
sudo: unable to open '/etc/20230712_app_server.log' Read-only file system
You need to first check if the mount status is not read-only.
# mount | grep /etc
/dev/sda1 on /etc type ext4 (ro,relatime)
As you can see the mount is read-only!
Solution: In this case you can remount the filesystem.
# sudo mount -o remount,rw /dev/sda1 /etc
![Fix - sudo- unable to open Read-only file system Fix - sudo- unable to open Read-only file system](https://code2care.org/linux/fix-sudo-unable-to-open-read-only-file-system/images/Fix - sudo- unable to open Read-only file system.jpg)
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Author Info:
Rakesh (He/Him) has over 14+ years of experience in Web and Application development. He is the author of insightful How-To articles for Code2care.
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