Sometimes while trying to install updates for Linux Lite you can meet an error: "Your computer is not connected to the internet", but you surely know that you are connected.
Don't panic, you can still upgrade your system using terminal. It's enough to run command:
$ sudo apt-get dist-upgrade
Then a script will start downloading upgrades and will install them automatically.
To copy files in linux we obvisously use command cp. In case we have a folder with files with same extension and want to copy all of them to connected flash-disk, we can use mask: *. For example, I have several .hccapx files and want to copy them on flash-disk:
$ cp *.hccapx /media/lovermann/DISK1/
Now, let's check, if files are copied:
Syntax for creating md5 hash in vert simple:
echo -n "mystring" | md5sum
If case you need to store created hash in a file, you can easily do it. For example we want to store md5 hash in "hash.md5" file:
$ echo -n "mystring" | md5sum >> hash.md5
First of all, let's start vim:
$ vim
Now we can edit file. To do it, we have to change to write mode, so just click "i":
i
Now we car modify file the way we want. Let's add a string.
And now click "Esc" to go out of write mode.
In order to save a file, type
:wq test.txt
tXML (commerce eXtensible Markup Language) is a type of XML designed specifically for export control transactions and international trade.
tXML is an XML language + set of Document Type Definitions (DTDs). These DTDs are text files that describe the precise syntax and order of tXML elements.
It means, that tXML is just XML document, but with predefined structure and tags. Let's see, how typical tXML document looks. This is Invoice without tax calculation:
To remove just Gnome Mpv (Celluloid) package itself from Lubuntu from command line, we have to type this command in lubuntu-terminal:
$ sudo apt-get remove gnome-mpv
Gnome MPV stores configuration files in your Lubuntu system. If you want remove Gnome MPV (Celluloid) completely including configuration and settings file, just type in terminal:
To remove just sylpheed package itself from Lubuntu from command line, we have to type this command in lubuntu-terminal:
$ sudo apt-get remove sylpheed
Sylpheed stores configuration files in your Lubuntu system. If you want remove Sylpheed completely including configuration and settings file, just type in terminal:
To remove just pidgin package itself from Lubuntu from command line, we have to type this command in lubuntu-terminal:
$ sudo apt-get remove pidgin
Pidgin internet messenger stores configuration files in your Lubuntu system. If you want remove Pidgin completely including configuration and settings file, just type in terminal:
Need to install: python, virtualenv, pip, flask
Python
Python installation directories for python (all versions), python2.7, python3.6 and python3.8:
$ whereis python
$ whereis python2.7
$ whereis python3.6
$ whereis python3.8
First, let's check, if python was already installed in our system. Use following command:
$ python -V
Ok, now we know, that python version 2.7.15+ is already installed. But we want to install python 3.8, because for some reasons python 2.7 we don't need. Let's go:
$ sudo apt install python3.8
You will see something like this:
So, python 3.8 is installed. We can check it:
$ python3.8 --version