Started installation of Parallels Guest Tools version '16.1.2.49151'
Err:1 http://obs-master.endlessm-sf.com:82/shared/eos eos3.9 InRelease
  Could not connect to obs-master.endlessm-sf.com:82 (54.71.37.12), connection timed out
Reading package lists...
W: Failed to fetch http://obs-master.endlessm-sf.com:82/shared/eos/dists/eos3.9/InRelease  Could not connect to obs-master.endlessm-sf.com:82 (54.71.37.12), connection timed out
W: Some index files failed to download. They have been ignored, or old ones used instead.
Return code from apt-get update is 0
W: Not using locking for read only lock file /var/lib/dpkg/lock-frontend
W: Not using locking for read only lock file /var/lib/dpkg/lock
E: Package 'gcc' has no installation candidate
W: Not using locking for read only lock file /var/lib/dpkg/lock-frontend
W: Not using locking for read only lock file /var/lib/dpkg/lock
E: Package 'linux-headers-5.8.0-14-generic' has no installation candidate
W: Not using locking for read only lock file /var/lib/dpkg/lock-frontend
W: Not using locking for read only lock file /var/lib/dpkg/lock
E: Package 'make' has no installation candidate
m gcc
m linux-headers-5.8.0-14-generic
m make
o dkms
o libelf-dev
Error: failed to install mandatory packages.
Error: failed to install or upgrade Parallels Guest Tools!
Started installation of Parallels Guest Tools version '16.1.2.49151'
Err:1 http://obs-master.endlessm-sf.com:82/shared/eos eos3.9 InRelease
  Could not connect to obs-master.endlessm-sf.com:82 (54.71.37.12), connection timed out
Reading package lists...
W: Failed to fetch http://obs-master.endlessm-sf.com:82/shared/eos/dists/eos3.9/InRelease  Could not connect to obs-master.endlessm-sf.com:82 (54.71.37.12), connection timed out
W: Some index files failed to download. They have been ignored, or old ones used instead.
Return code from apt-get update is 0
W: Not using locking for read only lock file /var/lib/dpkg/lock-frontend
W: Not using locking for read only lock file /var/lib/dpkg/lock
E: Package 'gcc' has no installation candidate
W: Not using locking for read only lock file /var/lib/dpkg/lock-frontend
W: Not using locking for read only lock file /var/lib/dpkg/lock
E: Package 'linux-headers-5.8.0-14-generic' has no installation candidate
W: Not using locking for read only lock file /var/lib/dpkg/lock-frontend
W: Not using locking for read only lock file /var/lib/dpkg/lock
E: Package 'make' has no installation candidate
m gcc
m linux-headers-5.8.0-14-generic
m make
o dkms
o libelf-dev
Error: failed to install mandatory packages.
Error: failed to install or upgrade Parallels Guest Tools!
Started installation of Parallels Guest Tools version '16.1.2.49151'
Err:1 http://obs-master.endlessm-sf.com:82/shared/eos eos3.9 InRelease
  Could not connect to obs-master.endlessm-sf.com:82 (54.71.37.12), connection timed out
Reading package lists...
W: Failed to fetch http://obs-master.endlessm-sf.com:82/shared/eos/dists/eos3.9/InRelease  Could not connect to obs-master.endlessm-sf.com:82 (54.71.37.12), connection timed out
W: Some index files failed to download. They have been ignored, or old ones used instead.
Return code from apt-get update is 0
W: Not using locking for read only lock file /var/lib/dpkg/lock-frontend
W: Not using locking for read only lock file /var/lib/dpkg/lock
E: Package 'gcc' has no installation candidate
W: Not using locking for read only lock file /var/lib/dpkg/lock-frontend
W: Not using locking for read only lock file /var/lib/dpkg/lock
E: Package 'linux-headers-5.8.0-14-generic' has no installation candidate
W: Not using locking for read only lock file /var/lib/dpkg/lock-frontend
W: Not using locking for read only lock file /var/lib/dpkg/lock
E: Package 'make' has no installation candidate
m gcc
m linux-headers-5.8.0-14-generic
m make
o dkms
o libelf-dev
Error: failed to install mandatory packages.
Error: failed to install or upgrade Parallels Guest Tools!
Started installation of Parallels Guest Tools version '16.1.2.49151'
Err:1 http://obs-master.endlessm-sf.com:82/shared/eos eos3.9 InRelease
  Could not connect to obs-master.endlessm-sf.com:82 (54.71.37.12), connection timed out
Reading package lists...
W: Failed to fetch http://obs-master.endlessm-sf.com:82/shared/eos/dists/eos3.9/InRelease  Could not connect to obs-master.endlessm-sf.com:82 (54.71.37.12), connection timed out
W: Some index files failed to download. They have been ignored, or old ones used instead.
Return code from apt-get update is 0
W: Not using locking for read only lock file /var/lib/dpkg/lock-frontend
W: Not using locking for read only lock file /var/lib/dpkg/lock
E: Package 'gcc' has no installation candidate
W: Not using locking for read only lock file /var/lib/dpkg/lock-frontend
W: Not using locking for read only lock file /var/lib/dpkg/lock
E: Package 'linux-headers-5.8.0-14-generic' has no installation candidate
W: Not using locking for read only lock file /var/lib/dpkg/lock-frontend
W: Not using locking for read only lock file /var/lib/dpkg/lock
E: Package 'make' has no installation candidate
m gcc
m linux-headers-5.8.0-14-generic
m make
o dkms
o libelf-dev
Error: failed to install mandatory packages.
Error: failed to install or upgrade Parallels Guest Tools!