2,5 линукс

Depending on Linux distribution, which commands can install the libaio package and any packages it needs to function that are not already installed (Select all answers that apply)?

• sudo zypper install libaio

• sudo apt-get install libaio

• sudo dnf install libaio

• sudo yum install libaio

• sudo dpkg -i libaio

Which command(s) can upgrade an entire system (Select all answers that apply)?

• sudo apt-get dist-upgrade

• sudo dnf update

• sudo zypper update

• sudo apt-get update

• sudo yum update

System logging files are kept under:

• /var/log

• /etc/log

• /proc/log

• /tmp/log

Where would the user named student usually find their personal files?

• /var/student

• /student

• /home/student

• /usr/local/student

The logrotate program:

• Erases all logging files on the system

• Rotates the text in logfiles so they are hard to read

• Provides a game where lumberjacks have to roll logs into the river

• Cyclically rotates and optionally compresses log files to save space

Basic information about the characteristics of a user's account can be found in:

• /etc/users

• /var/users/params

• /etc/passwd

• /etc/permissions

Adding a new user to a group is done with:

• groupadd

• chgroup

• usermod

• groupmod

Which provides stronger security and auditing for system activity:

• sudo

• su

Differences between su and su - include (Select all answers that apply):

• su starts a new login shell, while su - just continues the current shell but gives it super privileges

• su preserves more information, such as current directory, path and environment variables

• su - starts a new login shell, while su just continues the current shell, but gives it super privileges

• su - preserves more information, such as current directory, path and environment variables

Which is the proper way to use sudo with echo?

• sudo -c bash "echo 3 > /proc/sys/vm/drop_caches"

• sudo echo 3 | cat - > /proc/sys/vm/drop_caches

• sudo echo 3 > /proc/sys/vm/drop_caches

• sudo bash -c "echo 3 > /proc/sys/vm/drop_caches"