When ssh, if you get: @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ @ WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED! @ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ IT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY! Someone could be eavesdropping on you right now (man-in-the-middle attack)! It is also possible that a host key has just been changed. The fingerprint for the DSA […]
netstat -tulpn
sudo apt-get install compizconfig-settings-manager sudo apt-get install compiz-plugins Open compizconfig-settings-manager with alt-F2, type ccsm. Scroll down to “Ubuntu Unity Plugin”. Choose the tab “Switcher”. Disable the alt-tab and shift-alt-tab key bindings. (“Key to start the switcher” and “Key to switch to the previous window in the Switcher”. Click the “Back” button. Scroll down to the […]
comm -23 file1 file2 shows lines only in file1 (-2 don’t show unique lines in file2, -3 …rtfm)
/etc/hosts.deny ALL: 23.234.61.51 (substitute all for whatever daemon name)
If vi shows garbled unicode/utf-8 characters Put in ~/.vimrc : :set encoding=utf-8 :set fileencodings=utf-8 To debug vi, check ~/.vminfo which is generated each time vi starts. It shows your encoding, etc.
You login to ubuntu. desktop all messed up. try: gconftool-2 –recursive-unset /apps/compiz-1 unity –reset or unity –replace