How do I uninstall zipline-trader from Ubuntu Linux - zipline

I can't remove/uninstall Zipline-Trader from Linux Ubuntu 18.04. I've tried sudo apt remove zipline-trader and the package doens't exist.

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How to update s3fs from v1.74 to latest version in amazon linux 2 or centos?

I already installed s3fs-fuse v1.74 and my boss need me to update it to latest version, yet I'm a newbie here. I'm using Amazon Linux 2 instance in AWS, sometimes works with centos 7 code too. Could someone help me please?
EPEL hosts the latest versions of s3fs. You can install them on Amazon Linux via:
sudo amazon-linux-extras install epel
sudo yum install s3fs-fuse
and CentOS 7 and later via:
sudo yum install epel-release
sudo yum install s3fs-fuse
These instructions come from the s3fs README.

Launching latest version of MonoDevelop on Ubuntu 14.04 LTS

I installed MonoDevelop using following commands:
sudo add-apt-repository ppa:ermshiperete/monodevelop
sudo apt-get update
sudo apt-get install monodevelop-current
because I wanted latest version.
sudo apt-get install monodevelop
results in installing 4.x version which I wasn't interested in.
Now I can launch application via terminal using:
/opt/monodevelop/bin/monodevelop-launcher.sh
but "monodevelop" command results in following information:
The program 'monodevelop' is currently not installed. You can install it by typing:
sudo apt-get install monodevelop
and creating monodevelop.desktop file doesn't result in having program icon in launcher. Any ideas what I should do to be able to run MonoDevelop using "monodevelop" command?
I installed MonoDevelop using following commands:
sudo add-apt-repository ppa:ermshiperete/monodevelop
Do you realize that when adding a repository, you're trusting this user (what he decides to package in his repository), and that the version you get is the one that he himself alone decided to package?
I recommend you to add the repository of the official developers/packagers instead. Follow the instructions here (but uninstall any old packages first).

How to run Rebol on Freya

Been trying to run rebol-view-278-4-2 on Elementary OS "Freya" (a variant of Ubuntu 14.04 LTS).
I keep getting this error:
error while loading shared libraries: libXaw.so.7: cannot open shared object file: No such file or directory
I went ahead and tried to install the missing library but to no avail.
These are the steps I took to get R2 core and view working on Ubuntu 14.04 LTS "Trusty," so I would imagine that this would also work on Freya:
sudo dpkg --add-architecture i386
sudo apt-get update
sudo apt-get install libc6:i386 libncurses5:i386 libstdc++6:i386
sudo apt-get update
sudo apt-get install libx11-6:i386
sudo apt-get install libxext6:i386
sudo apt-get install libxaw7:i386
sudo apt-get install libfreetype6:i386
sudo apt-get install xfonts-100dpi xfonts-75dpi
(I prefer to keep the package install steps separate in case one of them fails.)

unable to install redis 2.7+ on ubuntu 12.04

I am new to redis. and I just followed cli to install redis sudo apt-get install redis.
but the install server version is 2.2.12 . If I want to update this version and I want to install redis 2.7 + then how can I do this thing, please help. I am working on ubuntu 12.04
You can install a Personal Package Archive to get the latest version. A popular one seems to be https://launchpad.net/~rwky/+archive/redis
edit: The one above is no longer maintained. Try https://launchpad.net/~chris-lea/+archive/ubuntu/redis-server instead.
sudo apt-get -y install python-software-properties
sudo add-apt-repository -y ppa:chris-lea/redis-server
sudo apt-get -y update
sudo apt-get -y install redis-server
These commands installed the latest version for me at the time of writing.
Ubuntu repositories have the 2.2 version of Redis as you discovered. If you want the latest version, you will have to download the sources from github and install it manually.
See "Installing Redis" section in the readme over here - https://github.com/antirez/redis
Try either
sudo apt-get install redis-server
or
http://laymansite.com/install-redis-in-ubuntu-12-04/

Zorba Installation

How to install Zorba in Ubuntu 12.04? When adding repository {using this command: sudo add-apt-repository ppa:juan457/zorba} , getting error
"Err http://ppa.launchpad.net precise/main Sources 404 Not Found".
can u suggest me how to clear this issue.
The most recent Zorba release (2.2) came out before Ubuntu 12.04 Precise Pangolin, so we didn't build packages for that Ubuntu version.
The next Zorba release (2.5) will be out within the next couple of days, so we will be updating the PPA binaries, including for Ubuntu 12.04.
You may be able to use the Ubuntu 11.10 Oneiric Ocelot packages in Ubuntu 12.04 by adding the following line to /etc/apt/sources.list:
deb http://ppa.launchpad.net/juan457/zorba/ubuntu oneiric main
and then doing "sudo apt-get update; sudo apt-get install zorba". However I can't swear that will work; it's possible some dependent libraries will be different between the two Ubuntu releases.