Doc and script updated

README.md

@@ -96,7 +96,14 @@ $ ./getqwt.sh
 $ cd ~/qwt-6.1
 ```
 
-After that add environment variables to your ~/.bashrc.
+After that add environment variables to your ~/.bashrc. Open the file with a
+text editor (e.g., nano, gedit, kate, notepad++, subl, atom, ultraedit, emacs,
+vim, etc.).
+
+```bash
+$ nano ~/.bashrc
+```
+
 
 ```bash
 export LIBQWT_HOME=${HOME}/qwt-6.1/lib
@@ -104,8 +111,9 @@ export LIBQWT_HEADERS=${HOME}/qwt-6.1/src
 export LD_LIBRARY_PATH=${LD_LIBRARY_PATH:+${LD_LIBRARY_PATH}:}${LIBQWT_HOME}
 ```
 
-Remember to verify that the library and header files are located in paths you
-specify. You can use the **ls** command to accomplish that.
+Remember to verify that the library was created and the header files are
+located in the paths you specify. You can use the **ls** command to accomplish
+that.
 
 ```bash
 $ ls ${HOME}/qwt-6.1/lib
@@ -116,7 +124,7 @@ Further information about Qwt can be found [here](http://qwt.sourceforge.net/).
 
 To grant flexibility to the user the paths where to find some essential
 libraries and headers can be specified with environment variables. Make sure
-you have the environment variables below in your ~/.bashrc file.
+you have the environment variables below defined in your ~/.bashrc file.
 
 **Note that some of the variables are automatically generated by the scripts. If
 you install the libraries in custom paths in your system you have to adapt the

utils/install_deb.sh

@@ -32,17 +32,18 @@
 #
 # Author: Éder F. Zulian
 
+distro=$(cat /etc/os-release | grep "^ID=" | sed 's/.*=//' | awk '{print tolower($0)}')
 # Check distro. This script supports Debian/Ubuntu
-distro=`lsb_release -is`
-if [ "$distro" != "Debian" ] && [ "$distro" != "Ubuntu" ]; then
+if [ "$distro" != "debian" ] && [ "$distro" != "ubuntu" ]; then
 	echo -e "Error unsupported distribution (${distro}). This script supports Debian/Ubuntu." 1>&2
-    exit 1
+	exit 1
 fi
 # Ensure the newest versions of all packages currently installed
 sudo apt-get update
 sudo apt-get upgrade
-# Required dependencies
+# Required dependencies and useful tools
 deplist="
+g++
 libc6
 libstdc++6
 gitk
@@ -70,6 +71,14 @@ libqt5svg5-dev
 libqt5sql5
 libqt5widgets5
 libqt5core5a
+lsb-core
+gedit
+sublime-text
+vim-gtk
+kate
+wget
+gtkwave
+openssh-server
 "
 for d in $deplist; do
 	sudo apt-get -y install $d