evvvvvvvvgen / test_ggs

Basic work with files

• Create directory test1

mkdir test

• Create file test1.txt inside the test1 directory.

touch test1/test1.txt

• Create copy of folder test1 with name test2.

cp -r test1 test2

• Delete file test1.txt inside test2 directory.

rm -r test2/text1.txt

• Rename test2 folder into directory_without_file

rm test2 directory_without_file

• Insert 'test1' text into test1/test1.txt file.

vim test1

• print the text from the test1/test1.txt file.

cat test1/test.txt

• Insert 'test2' into the end of test1/test1.txt file.

vim test1

• print the text from the test1/test1.txt file.

cat test1/test1.txt

• check the size of test1 directory

du -sh test1

Permissions

• Create test directory and block access for all to it.

mkdir qq

chmod 000 qqq

• Try to remove that directory.

rm -rf qq

• Create simple script which prints current date. Try to execute it.

touch date.sh

chmode +x date.sh

./date.sh

Log checking

• Count lines in the file test.txt.

wc -l test.txt

• Show last 3 lines from the test.txt file.

tail -3 test.txt

• Hom many uniq IP addresses accessed the website ?

less test.txt | cut -d' ' -f1| uniq | wc -l

• IP address with most requests.

less test.txt | cut -d' ' -f1| uniq -c

• Top 3 IP addresses by amount of POST requests.

• Which IP addresses received 403 error ?

less test.txt| grep 403

• Task with * . Write script to show which pages Google checked from the website

Replace

Replace IP address with most requests on 127.0.0.1 in test.txt file