nmap how to scan for all ports and not just the 1000 most common ports
nmap by default only scans the most common, 1000 ports.
How about if you want all ports because some services may be listening on non-standard ports?
Just use the -p- switch for all ports or -p1-65535
nmap -p- somehost.com........
rsync specify alternate port non-standard port than 22
It is not obvious but the rsync --help
rsync --help|grep port
--port=PORT specify double-colon alternate port number
--port does not do anything at all actually for some strange reason it still uses 22
You have to specify a manual ssh command to make it work:
-e 'ssh -........
Using a proxy with yum in Centos 6
Could not retrieve mirrorlist http://mirrorlist.centos.org/?release=6&arch=x86_64&repo=os error was
12: Timeout on http://mirrorlist.centos.org/?release=6&arch=x86_64&repo=os: (28, 'Operation too slow. Less than 1 bytes/sec transfered the last 30 seconds')
Error: Cannot find a valid baseurl for repo: base
You would think this should be fine and simple like using a proxy with most other software?
However........