Check Debian version information
Answer:
To check the Debian version information in Debian/Ubuntu
Try:
# cat /etc/debian_version
squeeze/sid
Feb 132010
Jan 312010
How to check failed login attempt in Ubuntu
Answer:
Every login attempts are logged in the file /var/log/auth.log in Ubuntu.
To check failed login attempt(s),
E.g.
# grep 'Failed password' /var/log/auth.log
Jan 31 14:00:27 localhost sshd[16141]: Failed password...
Jan 31 14:00:46 localhost sshd[16141]: Failed password...
Jan 31 14:00:49 localhost sshd[16141]: Failed password...
Jan 242010
Visual Shell for Linux
Answer:
GNU Midnight Commander is a directory browser/file manager for Unix-like operating systems, you can use it to browser shell, ftp, tar and more.
To install in Ubuntu,
# sudo apt-get install mc
Reference:
Jan 152010
How to change the default Ubuntu's NTP server
Answer:
If you are using the ntpd daemon, edit the file /etc/ntp.conf and change
server uk.pool.ntp.org
server de.pool.ntp.org
You can fine more servers in this link: http://www.pool.ntp.org/en/
Jan 152010
Setup time synchronisation in Ubuntu
Answer:
Install the ntp daemon is what you need.
# sudo apt-get install ntp
