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How I can make sudo Ubuntu 10.04 session an hour and not few minutes?

Now I have to write my password for sudo commands every few minutes.

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"Now i have to write my password for sudo commands every few minutes" Right. That's the point. :-) – T.J. Crowder Jun 7 '10 at 10:22
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4 Answers

up vote 7 down vote accepted

Instead of making the sudo session longer, you could actually log in as root.

sudo su

Anything you do afterwards is done as root. You don't even have to enter sudo anymore.

You can log out any time you want.

exit
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AFAIK, this is only working for the shell prompt window you currently use, not all applications on the X session you currently run. And this has an advantage. You can have your regular applications, shells and others, while keeping one shell (sudo su) with root privileges. – jfmessier Jun 7 '10 at 12:29
Thank you very much – Yosef Jun 7 '10 at 13:02
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up vote 12 down vote

Disclaimer: This is not recommended for security reasons! One of the reasons why Linux is so safe are the user privileges.

You can edit the sudo settings file with the following command:

  sudo visudo

And then change the line

  Defaults      env_resets

to

  Defaults      env_resets,timestamp_timeout=x

x is in minutes by the way.

One word of warning: Do not edit this file with another editor/command! If you lock yourself out of your system, reboot into single-user/recovery mode and run visudo there.

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Thank you very much Bobby! – Yosef Jun 7 '10 at 13:01
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up vote 3 down vote

You can use pamusb.

"pam_usb provides hardware authentication for Linux using ordinary USB Flash Drives "

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Not what he asked for, but maybe a could solution which isn't such a worst-case security scenario. – Bobby Jun 7 '10 at 10:45
Thank you very much – Yosef Jun 7 '10 at 13:31
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up vote 0 down vote

I prefer "sudo -i" after logging in as user.

The -i (simulate initial login) option runs the shell specified in the passwd(5) entry of the target user as a login shell. This means that login-specific resource files such as .profile or .login will be read by the shell. If a command is specified, it is passed to the shell for execution. Otherwise, an interactive shell is executed. sudo attempts to change to that user's home directory before running the shell. It also initializes the environment, leaving DISPLAY and TERM unchanged, setting HOME, SHELL, USER, LOGNAME, and PATH, as well as the contents of /etc/environment on Linux and AIX systems. All other environment variables are removed.

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