I had this problem and somebody else had the same so here is how I was able to download directadmin.
Every time I tried running the wget from the command line, it gave me errors so I just make a shell script to do it and then it worked for some reason.
Create a file get.sh and chmod 755 it.
#!/bin/sh
wget https://www.directadmin.com/cgi-bin/daupdate?lid=0000\&uid=000 -O /usr/local/directadmin/update.tar.gz
This only on two lines, make sure it is only on two lines in your editor.
at the prompt, run ./get.sh and it should work. Obvoiusly, replace the 000's with your lid and uid.
Every time I tried running the wget from the command line, it gave me errors so I just make a shell script to do it and then it worked for some reason.
Create a file get.sh and chmod 755 it.
#!/bin/sh
wget https://www.directadmin.com/cgi-bin/daupdate?lid=0000\&uid=000 -O /usr/local/directadmin/update.tar.gz
This only on two lines, make sure it is only on two lines in your editor.
at the prompt, run ./get.sh and it should work. Obvoiusly, replace the 000's with your lid and uid.