- ssh -v -g -l user_name -L local_port:remote_ip:remote_port remote_ip
Check for disk space
- df -kl
- du -sk *
- gcj –classpath . -g0 –main=HelloWorld -o HelloWorld.exe HelloWorld.java
- dig -mx yahoo.com
- nmap -sT 127.0.0.1
- /usr/include/sys/errno.h
- HEAD http://yad2yad.huji.ac.il/
- Result:
200 OK
Cache-Control: max-age=0
Connection: close
Date: Tue, 10 Dec 2002 08:38:37 GMT
Server: AOLserver/3.3.1+ad13
Content-Type: text/html; charset=utf-8
Setup port forward
translating a Java source file into a native executable using the GNU GCJ compiler
DNS lookup utility
Network exploration tool and security scanner
UNIX system error.h
returns the HTTP response headers from the named site