سلام به همه دوستان
جدیدا در هنگام ابدیت با یک سری ارورهایی مواجه میشم که قبلا نظیرش نبوده
به عنوان نمونه:
sudo apt-get update
Ign:1 http://ppa.launchpad.net/ehoover/compholio/ubuntu bionic InRelease
Get:2 http://security.ubuntu.com/ubuntu bionic-security InRelease [88.7 kB]
Ign:3 http://ppa.launchpad.net/pmcenery/ppa/ubuntu bionic InRelease
Hit:4 http://ir.archive.ubuntu.com/ubuntu bionic InRelease
Err:5 http://ppa.launchpad.net/ehoover/compholio/ubuntu bionic Release
404 Not Found [IP: 91.189.95.83 80]
Hit:6 http://ir.archive.ubuntu.com/ubuntu bionic-updates InRelease
Hit:7 http://ir.archive.ubuntu.com/ubuntu bionic-backports InRelease
Err:8 http://ppa.launchpad.net/pmcenery/ppa/ubuntu bionic Release
404 Not Found [IP: 91.189.95.83 80]
Reading package lists... Done
E: The repository 'http://ppa.launchpad.net/ehoover/compholio/ubuntu bionic Release' does not have 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.
E: The repository 'http://ppa.launchpad.net/pmcenery/ppa/ubuntu bionic Release' does not have 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.
میتونم علت رو جویا شم که علت این ارورها چی میتونه باشه و چطور میشه برطرفش کرد؟