sudo

Strip out any commands that you think might be harmful and disallow things, such as sudo (running with superuser privileges) or rm (delete).

This account should be allowed to run sudo apt-get if the machines are connected to the network and have access to a Debian mirror.

For small businesses, sudo is usually just fine -- if you follow best practices and stay on top of the sudo configuration.

Let's look at some of the best practices for controlling system access with sudo while still allowing users to be productive.

Remember that you'll need to either run as the root user or use sudo. Those details are discussed in the last article if you've forgotten.

sudo: Allows you to run Snort with administrative privileges.

Using sudo, one can let these users gain authorized access without knowing the password that are allowed to su to.

Now installing applications and any required dependencies can be as simple as a one-line command (e. g. , "sudo apt-get install X" ).

All that's left to do is install it with sudo make install.

Configure sudo so that it has its own logfile for easy visibility into the use of sudo and activities of the sudoers.

Instead, try to configure sudo to allow users to run specific commands as the users they need to operate as.

Sudo is a utility that allows systems administrators to give users or groups the ability to run commands as another user.

But for larger shops with dozens of IT staff and tens or hundreds of servers, sudo quickly starts to show its flaws.

lm-sensors requires configuration after installation. Run 'sudo sensors-detect' form a Terminal to begin this.

Sudo has a feature that uses time tickets to determine how long since the last sudo command was run.

If you currently have sudo installed on your system, it will not overwrite your existing sudoers file.

One way is to use a configuration framework like Puppet to manage sudo configurations across multiple systems.

Depending on the security model of your host, you might best do this as sudo stunnel .

To install an application as a regular user, the sudo command can give you those root privileges temporarily.

The sudo could be expected to go to a substantial discount which would, if present behaviour patterns continued, widen over time.

sudo is a good solution to normal user for root access, however it has its limitations.

Log to a separate file: By default, sudo may log to a common messages logfile along with other system messages.

Issue a sudo crm node standby command on the active node, see where the service went, then issue a sudo crm node online.

The important thing is to assess your network and decide whether sudo alone is sufficient to handle your needs.

Provide privileges to a user id which can sudo to the service id to perform the operations.

If sudo isn't managed correctly, it's almost worse than simply sharing root credentials, because it provides a false sense of security.

Some tools, like sudo, have been developed to address this issue, but none have been an end-all solution.

Sudo allows you to control who can run what commands as whom.

Mac users prefer a rich GUI experience, and running the IDS installer as root involves opening a Terminal window and running sudo.

Perform a sudo reboot -f on the active node, then watch (from another node) where the resources move to.

To become the system administrator, run the sudo bash command.

You will need to be root or have root authority via sudo, as shown here, to display or manipulate the partition table.

If you aren't the super user, you should use sudo make install so the commands are installed in the system directories.

In this article, we'll review sudo and then outline how you can migrate to RBAC to improve your organization's administration model.

As discussed earlier, sudo will strip out potentially dangerous system variables.

From the Terminal window, run the following command to retrieve any last-minute changes or dependencies: sudo port upgrade couchdb.

Press Ctrl Alt F1 to switch to a console view, and log in as root (or use sudo from your normal user account in Ubuntu).

Users are configured by sudo to allow specific set of commands.

When the ticket is destroyed, the user will be prompted for his password again, when running a sudo command.

You can find other tools that help supplement sudo to provide more robust privileged user management.

It's tempting, and simpler, to give trusted users full access with sudo and allow them to execute any command as any user.

Yes, sudo is a powerful tool, but it's also complex to configure well and difficult to maintain.

Test your proxy with sudo apt-get update and whatever networking tool you desire.

However, before you run this command, you should either log in as a root user or use the sudo command.

If you are logged in as an ordinary user, you will either use su - to switch to root or sudo.

To install it on your Ubuntu system, type sudo apt-get install git-core gitk.

In Linux distributions that support apt, you can run the following command from the console: sudo apt-get install libmyodbc.

You will be prompted for the sudo password for installation to continue.

But there's much more to sudo that users and admins should know.

This option clearly tries to lock down specific areas where a user runs a sudo command, which is good practice.

Launch into setup as root by running the command sudo minicom -s.

Set the root privilege by the command sudo bash.

After installing PCRE, you should know what's next: running make install, again either as the root user or with the sudo command.

Listing 5 shows a minimal configuration to share some files in your home directory without the need for sudo.

Listing 8 uses the sudo command to run a command as root.

Many Linux users are familiar with sudo these days.

One solution is to use sudo with su, but first you must restrict them using su.

At the command prompt type sudo Forcevideo and press Enter .

Once you have edited the file, sudo will pick up on syntax errors if any, as with the main file.

In AIX 6. 1, IBM introduced Role Based Access Control (RBAC), which addresses many of the security and auditing concerns of sudo.

Know how to use sudo and follow these best practices, and then you can relax and enjoy every sandwich.

When the copy is complete, restart the Web server with sudo apachectl restart.

That also gets rid of the sudo password problems, which is nice.

You can shore up sudo with additional tools.

Remember, though, if you had to run Snort as supervisor (using sudo) or root, you'll have to open the file using the same permissions.

However, you should use caution when using sudo.

For example, if you use Debian Linux, you can install fish in an instant with the command sudo apt-get install fish.

A message is then appended to their profile, informing the user how to sudo to root.

For example, in OpenSUSE, you could install it with Yast2 or by executing sudo zypper install knockd.

When you go to launch this tool you will be required to enter your sudo password.

For example, if you use Debian or Ubuntu, you can install the Java V1. 5 software with sudo apt-get install sun-java5-jdk.

To run a sudo command, the general format is

To view what commands a user can run and what other constraints are assigned under sudo, as the user, run

You can have many su entries in sudo, just be sure to separate each su entry with comma, like so

Install PySDM in Ubuntu using the following command: sudo apt-get install pysdm

Now user india, who is a nosu group member, can su to zulu via sudo