diff --git a/install.sh b/install.sh
index 8fe65ce..1673365 100755
--- a/install.sh
+++ b/install.sh
@@ -2,12 +2,13 @@
 set -e -x
 
 NAME="server22"
-PATH_USR="/tmp/$NAME/usr"
+PATH_TMP="/tmp/$NAME"
+PATH_USR="$PATH_TMP/usr"
 # Deletes server22 dir from /tmp if exists (that was for testing)
-sudo rm -rf /tmp/$NAME
+sudo rm -rf $PATH_TMP
 
 # Python installation executed, for debian layout and install it to /tmp/server22
-python3 setup.py install --install-layout deb --root /tmp/$NAME
+python3 setup.py install --install-layout deb --root $PATH_TMP
 
 # Remove .egg-info and build dir from root folder
 sudo rm -rf ./src/$NAME.egg-info
@@ -17,7 +18,7 @@ sudo rm -rf ./build
 tree
 
 # Copy /DEBIAN to /tmp/$NAME
-sudo cp -R ./DEBIAN /tmp/$NAME
+sudo cp -R ./DEBIAN $PATH_TMP
 
 # Deletes __pycache__ from /tmp/$NAME
 sudo rm -r $PATH_USR/lib/python3/dist-packages/$NAME/__pycache__
@@ -27,52 +28,26 @@ mkdir $PATH_USR/share/
 mkdir $PATH_USR/share/doc
 mkdir $PATH_USR/share/doc/$NAME/
 
-# Add copyright and changelog.gz in created dir (It has to be done for debian packaging)
-#touch $PATH_USR/share/doc/$NAME/copyright  # TODO: make both files in root folder, copy them, and changelog here to .gz
-#touch $PATH_USR/share/doc/$NAME/changelog.gz
-
+# Copy share folder with subdirs to PATH_USR
 sudo cp -r -v share $PATH_USR
-#sudo cp share/doc/server22/changelog PATH_USR
 
-cd $PATH_USR/share/doc/server22 && sudo gzip -9 -n changelog
+# Zip the changelog
+sudo gzip -9 -n $PATH_USR/share/doc/server22/changelog
 # Change owners
-sudo chown -R 0:50 /tmp/$NAME
+sudo chown -R 0:50 $PATH_TMP
 sudo chown -R 0:0 $PATH_USR/share
 
-sudo chmod 0775 $PATH_USR
-#sudo chmod -R 0775 $PATH_USR/bin
-#sudo chmod -R 0775 $PATH_USR/lib
-
-# SOME TRY TO GET RID OF LINTIAN WARNINGS - NOT WORKING :/
-# sudo chmod 0644 $PATH_USR/share/doc/$NAME/copyright
-# sudo chmod 0644 $PATH_USR/share/doc/$NAME/changelog.gz
-
-# # Change permissions
-# sudo chmod -R 0775 $PATH_USR
-# #sudo chmod 0644 -R $PATH_USR/share/doc/$NAME
-# sudo chmod -x $PATH_USR/share/doc/$NAME/changelog.gz
-
-# #sudo chmod 0644 $PATH_USR/share/doc/$NAME/changelog.gz
-# # Change owners
-# sudo chown -R 0:50 /tmp/$NAME
-
-# sudo chown -R 0:0 $PATH_USR/share
-# #sudo chmod -R 0644 $PATH_USR/share #TODO
-
-# tree /tmp/$NAME
-
-# # Change permissions
-# sudo chmod -R 0775 $PATH_USR
-# #sudo chmod -R 0644 $PATH_USR/share
+# Delete write permissions from group
+sudo chmod -R g-w $PATH_USR
 
 # Show actual tree of /tmp/$NAME dir to the user
-tree /tmp/$NAME
+tree $PATH_TMP
 
 # dpkg will pack this modified folder to .deb
-dpkg -b /tmp/$NAME
+dpkg -b $PATH_TMP
 
 # Show lintian output to the user. If there will be some red E, means that installation was not successful
-lintian -c /tmp/$NAME.deb
+lintian -c $PATH_TMP.deb
 
 # Rename .deb package (name_of_the_package-version-binary)
-dpkg-name -o /tmp/$NAME.deb
+dpkg-name -o $PATH_TMP.deb