I Want To Update My System From Focal Fossa ( LTS ) To Hirsute Hippo ( Normal ), But I Found Some Error :
root@localhost:~# do-release-upgrade
Checking for a new Ubuntu release
Get:1 Upgrade tool signature [819 B]
Get:2 Upgrade tool [1268 kB]
Fetched 1269 kB in 0s (0 B/s)
authenticate 'hirsute.tar.gz' against 'hirsute.tar.gz.gpg'
extracting 'hirsute.tar.gz'
Reading cache
lspci: /sys/bus/pci/devices: No such file or directory
Checking package manager
A fatal error occurred
Please report this as a bug and include the files
/var/log/dist-upgrade/main.log and /var/log/dist-upgrade/apt.log in
your report. The upgrade has aborted.
Your original sources.list was saved in
/etc/apt/sources.list.distUpgrade.
Traceback (most recent call last):
File "/tmp/ubuntu-release-upgrader-z3e__fxr/hirsute", line 8, in
<module>
sys.exit(main())
File
"/tmp/ubuntu-release-upgrader-z3e__fxr/DistUpgrade/DistUpgradeMain.py",
line 236, in main
if app.run():
File
"/tmp/ubuntu-release-upgrader-z3e__fxr/DistUpgrade/DistUpgradeController.py",
line 2024, in run
return self.fullUpgrade()
File
"/tmp/ubuntu-release-upgrader-z3e__fxr/DistUpgrade/DistUpgradeController.py",
line 1794, in fullUpgrade
if not self.prepare():
File
"/tmp/ubuntu-release-upgrader-z3e__fxr/DistUpgrade/DistUpgradeController.py",
line 415, in prepare
self._sshMagic()
File
"/tmp/ubuntu-release-upgrader-z3e__fxr/DistUpgrade/DistUpgradeController.py",
line 274, in _sshMagic
is_child_of_process_name("sshd")):
File "/tmp/ubuntu-release-upgrader-z3e__fxr/DistUpgrade/utils.py",
line 108, in is_child_of_process_name
with open(stat_file) as stat_f:
FileNotFoundError: [Errno 2] No such file or directory:
'/proc/16380/stat'
root@localhost:~#
How Can I Update To Hirsute Hippo From Focal Fossa? ( I Get Guide From https://www.linuxbabe.com/ubuntu/upgrade-ubuntu-20-04-20-10-to-21-04/amp )