unable to update application permission denied

Hi there i new to linux and I just enable Raid 10 as a result i can only connect through a putty session and not remote desktop, everything was working fine untill i followed this article https://magpi.raspberrypi.org/articles/build-a-raspberry-pi-nas I have tried to enable the VNC server which was enabled previously and i have tried to insta xrdp again which i did previously this is part of the error message I am getting Could not open file /var/lib/apt/lists/partial/raspbian.raspberrypi.org_raspbian_dists_buster_Release - open (13: Permission denied) [IP: 93.93.128.193 80] Reading package lists... Done W: Not using locking for read only lock file /var/lib/apt/lists/lock W: Problem unlinking the file /var/lib/apt/lists/partial/raspbian.raspberrypi.org_raspbian_dists_buster_InRelease - PrepareFiles (13: Permission denied) W: Problem unlinking the file /var/lib/apt/lists/partial/archive.raspberrypi.org_debian_dists_buster_InRelease - PrepareFiles (13: Permission denied) W: Problem unlinking the file /var/lib/apt/lists/partial/raspbian.raspberrypi.org_raspbian_dists_buster_Release - PrepareFiles (13: Permission denied) E: The repository 'http://raspbian.raspberrypi.org/raspbian buster Release' no longer has a Release file. N: Updating from such a repository can't be done securely, and is therefore disabled by default. N: See apt-secure(8) manpage for repository creation and user configuration details. W: Problem unlinking the file /var/lib/apt/lists/partial/archive.raspberrypi.org_debian_dists_buster_Release - PrepareFiles (13: Permission denied) E: The repository 'http://archive.raspberrypi.org/debian buster Release' no longer has a Release file. N: Updating from such a repository can't be done securely, and is therefore disabled by default. N: See apt-secure(8) manpage for repository creation and user configuration details. W: Problem unlinking the file /var/cache/apt/pkgcache.bin - RemoveCaches (30: Read-only file system) W: Problem unlinking the file /var/cache/apt/srcpkgcache.bin - RemoveCaches (30: Read-only file system)