Answer:
c. sudo grep "charlie" /var/log/vsftpd.log
Explanation:
- sudo is used to access /var/log files since it requires superuser access
- grep command is used to search for a string of characters in a specified file
- "charlie" is the string searched in the log files
- /var/log/ is where the log files are in linux systems
First is it to always clean out all the junk that is left
behind by the operating system and the browsers. You can easily do this using
the Disk Cleanup utility included on the windows systems. You can clean up the registry. However, you should be very careful with the registry. Any wrong move might mess up everything
Search and destroy viruses and malware on your PC by
installing an anti-virus security program and setting up an automated
maintenance schedule.
Defragment main and partitioned drives to keep your computer
running smoothly.
Uninstall software programs and personal files like
pictures, movies and music that are no longer in use to free up more space. The
more the space, the faster the PC will go. You can also run the msconfig
command in the RUN command prompt to uncheck start up programs that you do not
use
Answer
Technology can help government handle economic emergencies such as crop and resource shortages.
Explanation
The government can address the concerns of food shortages and water scarcity through embracing new technology interventions to increase farm yields and mitigate the impacts of water shortages. Through crop protection methods, weeds and pest can be controlled. Drip irrigation technology applies water directly to the roots of crops to facilitate high crop production. Other technologies to apply can include organic agriculture and integrated soil fertility management.
