Apache Paste Bucket

donofrio@WSAL0131:~$ cat /etc/issue
Ubuntu 17.04 \n \l

donofrio@WSAL0131:~$ cd .ssh/
donofrio@WSAL0131:~/.ssh$ chmod 600 -r ./authorized_keys/
chmod: cannot access '600': No such file or directory
donofrio@WSAL0131:~/.ssh$ chmod 600 -r ./authorized_keys/
chmod: cannot access '600': No such file or directory
donofrio@WSAL0131:~/.ssh$ chmod 600 ./authorized_keys/
donofrio@WSAL0131:~/.ssh$ chmod 600 -R ./authorized_keys/
chmod: cannot access './authorized_keys/id_rsa.pub': Permission denied
donofrio@WSAL0131:~/.ssh$ ls -lsart ./authorized_keys/id_rsa.pub 
ls: cannot access './authorized_keys/id_rsa.pub': Permission denied
donofrio@WSAL0131:~/.ssh$ sudo su -
[sudo] password for donofrio: 
root@WSAL0131:~# cd /home/donofrio/  
.cache/      .dbus/       .gnupg/      .local/      .nano/       .remmina/    .thumbnails/ Documents/   Music/       Public/      Videos/
.config/     .gconf/      .gvfs/       .mozilla/    .pki/        .ssh/        Desktop/     Downloads/   Pictures/    Templates/   
root@WSAL0131:~# cd /home/donofrio/.ssh/authorized_keys/
root@WSAL0131:/home/donofrio/.ssh/authorized_keys# ls -lsart
total 0
0 drwx------ 0 donofrio donofrio 4096 Oct 17 09:40 ..
0 drw------- 0 donofrio donofrio 4096 Oct 17 09:41 .
0 -rw-r--r-- 1 donofrio donofrio  399 Oct 17 09:41 id_rsa.pub
root@WSAL0131:/home/donofrio/.ssh/authorized_keys# cd ..
root@WSAL0131:/home/donofrio/.ssh# ls -lsart
total 20
4 -rw------- 1 donofrio donofrio 1679 Sep 18 11:14 id_rsa
0 -rw-r--r-- 1 donofrio donofrio  399 Sep 18 11:14 id_rsa.pub
8 drwxr-xr-x 0 donofrio donofrio 4096 Oct 16 06:39 ..
8 -rw-r--r-- 1 donofrio donofrio 5027 Oct 17 08:17 known_hosts
0 drwx------ 0 donofrio donofrio 4096 Oct 17 09:40 .
0 drw------- 0 donofrio donofrio 4096 Oct 17 09:41 authorized_keys
root@WSAL0131:/home/donofrio/.ssh# chmod 600 -r authorized_keys 
chmod: cannot access '600': No such file or directory
root@WSAL0131:/home/donofrio/.ssh# chmod 600 -R authorized_keys
root@WSAL0131:/home/donofrio/.ssh# ls -lsart
total 20
4 -rw------- 1 donofrio donofrio 1679 Sep 18 11:14 id_rsa
0 -rw-r--r-- 1 donofrio donofrio  399 Sep 18 11:14 id_rsa.pub
8 drwxr-xr-x 0 donofrio donofrio 4096 Oct 16 06:39 ..
8 -rw-r--r-- 1 donofrio donofrio 5027 Oct 17 08:17 known_hosts
0 drwx------ 0 donofrio donofrio 4096 Oct 17 09:40 .
0 drw------- 0 donofrio donofrio 4096 Oct 17 09:41 authorized_keys
root@WSAL0131:/home/donofrio/.ssh# cd authorized_keys/
root@WSAL0131:/home/donofrio/.ssh/authorized_keys# ls -lsart
total 0
0 drwx------ 0 donofrio donofrio 4096 Oct 17 09:40 ..
0 drw------- 0 donofrio donofrio 4096 Oct 17 09:41 .
0 -rw------- 1 donofrio donofrio  399 Oct 17 09:41 id_rsa.pub
root@WSAL0131:/home/donofrio/.ssh/authorized_keys# cd ..
root@WSAL0131:/home/donofrio/.ssh# exit
logout
donofrio@WSAL0131:~/.ssh$ ssh localhost
Permission denied (publickey).
donofrio@WSAL0131:~/.ssh$