Linux: Console apt-get not available? - linux

I need to install Java, Solr, and update Git on this dedicated server.
I have ssh root access and was going to use the apt-get method to install what I need. But says this command is not found. Is this not a core Linux thing? I am guess I need to now look into installing this before doing anything else?
I don't have CPanel access.

This is solved. I did not know there was a different package manager with CentOS and Ubuntu. I used yum and it worked. I will mark this answered once I am able.

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wget command not found on linux server

I have a linux server (completely new, web hosting, nothing is installed into it), and want to use a "wget" command. Currently, it is not found. Kernel version 2.6.32-896.16.1.lve1.4.54.el6.x86_64
I am completely new to linux, tried to solve this issue by myself, but couldn't do it. I log in into this linux server via PuTTY via my Windows OS laptop.
wget https://www.python.org/ftp/python/3.6.6/Python-3.6.6.tgz
To get "wget" to work, I will need to install it. I guess I will need to install first "sudo" and/or "apt" and/or "apt-get". But couldn't do it. Please give me a short list of steps in which order to install them.
Given your kernel version, it looks like your Linux distribution is CentOS 6 or RHEL 6. Try installing wget with this command:
yum install wget
You must be root when you run this command.
Incase you using Debian version of Linux, use the following:
sudo apt-get install wget
From kernel version, it looks like you are using RHEL/Centos 6.
Please check -
https://centos.pkgs.org/6/centos-x86_64/wget-1.12-10.el6.x86_64.rpm.html
If the mentioned dependencies exist in your system, you can directly fire the rpm command
rpm command guide -
https://docs.fedoraproject.org/ro/Fedora_Draft_Documentation/0.1/html/RPM_Guide/ch02s03.html
If it doesn't work, you need to use yum command. (You need to configure yum command first, if not configured already)
yum install wget
To configure yum command in centos6 -
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/6/html/deployment_guide/sec-configuring_yum_and_yum_repositories
Note - you need to be root user for above activities.

Install package managers over SSH & FTP

i have an device running on Pure Linux, there is no Package installer installed on that, the only thing i have is SSH and therefore also an Terminal. Commands like apt-get, dpkg, yum dont work.
How do i install apt-get over SSH? I've saw some suggestions that use yum, make or dpkg to install apt-get, but since i've neither of them...
For debian based systems exists a tool called apt-offline. That's perfect in that scenario.
https://wiki.ubuntuusers.de/apt/apt-offline/

Reset Realm Object Server on Linux

Can I ask that are there any scripts in Linux that similar to reset-server-realms.command on Mac that can delete all realms on server. Actually I need to reset the server and clean it before use the application officially. I try to uninstall regarding to the guides on Realm website but somehow the old data still comes up.
Thanks
Uninstalling the package doesn't remove any data. This is done on purpose, so that the upgrade process of RPMs and debs works properly.
We don't provide a script, but the easiest way to wipe everything is simply to run:
sudo rm -rf /var/lib/realm
# CentOS
sudo yum remove realm-object-server-de
sudo yum install realm-object-server-de
# Ubuntu
sudo apt-get install --reinstall realm-object-server-de
Please note that this will preserve your configuration, still. The configuration is stored in /etc/realm.

Installing GitLab and get it running on a subdomain

I am struggling to find a proper solution to this. So, well, I have a dedicated server with Hostgator running Cent OS. I have followed the instructions here and done the following things:
curl -O https://downloads-packages.s3.amazonaws.com/centos-6.6/gitlab-7.6.2_omnibus.5.3.0.ci.1-1.el6.x86_64.rpm
sudo yum install openssh-server
sudo yum install postfix
sudo yum install cronie
sudo service postfix start
sudo chkconfig postfix on
sudo rpm -i gitlab-7.6.2_omnibus.5.3.0.ci.1-1.el6.x86_64.rpm
I have done all of this things in my root directory. Now, this might seem a very stupid question, but what I am trying to understand is 2 things:
How do I access the front-end? On what url by default it should be available?
Would it be possible to get it up on sub-domain?
I have followed many links but didn't clearly understand any of those, just adding a few links from SO for reference:
How to configure GitLab as a subdomain in nginix.conf
How to change URL of a working GitLab install?
Install GitLab on Subdomain
Now, this could be a very simple question, but I believe I am struggling with the basics here and any help here would be really appreciated.
You are using the omnibus package which means the configuration is in /etc/gitlab/gitlab.rb. Read the documentation if you haven't done already. For the subdomain check the nginx section.

Install Gnome without using yum on centos 4

I'm using CentOS 4.8 , i386.
I would appreciate if any one can help me to install Gnome (or any other GUI) while there is no yum available.
I tried to install yum but since It's a company's server with many things installed on it,
I faced with many problems.
However I decided to find a way to install Gnome without using yum
And please take note:
I'm a neophyte!
Did you try getting the source-code and building it manually?
You can get the code from
http://www.gnome.org/getting-gnome/
GNOME also provides a build tool to make the installation easier.
But, as it has already been pointed out - Servers are best managed over command line. It will give you more power and control over what you are doing.

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