Not able to install tree comand in ubuntu
30588
Unable to locate package
3523
What does "Package  has no installation candidate" mean?
32426
How to install packages?
121470
How to install 'add-apt-repository' using the terminal?
8945
Couldn't find hvm kernel for Ubuntu tree
46969
Ubuntu fix dependency problems
30645
How to install (old) packages for Ubuntu 9.04?
129939
Unable to install .deb applications with ubuntu software
157531
Can't install wine (or ia32-libs) in Ubuntu 12.10 64 bit
64795
Unable to install VLC
103508
how to install Kingsoft Office in Ubuntu 12.04
45264
Why doesn't pstree command show init in Ubuntu 16.04 LTS?
92604
How can I install a package without root access?
66322
Error installing any module
154254
"No root filesystem is defined" while installing Ubuntu
1632
How do I fix a "Failed to download package files" error?
4448
How do I install applications in Ubuntu?