Dos attack in ubuntu 12.04 - webserver

I am using ubuntu 12.04 server 64bit .I got mail from vendor ur server is attacked with Dos Attack .
My question how to find out the Dos attack
I Using Apache tomcat 6.0.42 web server and ssl certificate also.
can many help

You can see all the requests in the apache access.log

Related

Ubuntu 22.04 LTS automatic shutdown when log off to use RDP

I am experiencing some issues with Ubuntu 22.04 LTS.
I have logout from the Ubuntu server and connect to my Ubuntu server using Remote Desktop (Windows 11). This is the process to be able to connect to RDP.
However, after a short period of time, i experience that the server shutdown/ or go to sleep mode. I need to physically turn it off and ON again.
Can someone please share some information on why does this happen? And any possible fix?
Thank you.

Netbeans FTP unable to upload

I am new to NetBeans & PHP Scripting, so please forgive me..
Issue: Unable to upload the php files via NetBeans IDE into remote server Ubuntu (FTP port: 21).
SSH Port 22 is working fine,even with NetBeans
Error Log:
My Operating Environment
NetBeans 7.4 Patch 3 is installed in Windows 10.
Remote server is a virtual machine (Ubuntu 16.4)
Check List Done
FTP Clients are working fine(WinSCP Manual....which I am trying to avoid)
NetBeans Terminal I can edit the files (noticed the port is different 22)
Remote folder is owned by the FTP User
Played with NetBeans Run Configuration Parameters [Passive Mode, Pure FTP...etc]
Any Help is greatly appreciated and Thanks is advance.
Ravi
Solution Steps:
Edit /etc/vsftpd.conf
uncomment #write_enable=YES --> write_enable=YES
Restart vsftpd (sudo service vsftpd restart)
Closed NetBeans IDE and opened it again

How to access MATLAB installed on a server?

A pretty basic question. The MATLAB is installed on a linux based server. I have windows 7 installed on my system. I want to access MATLAB, how do i do that?
Shall i install some virtual machine or is there a simpler way? Please help.
Thanks.
MATLAB will run on Windows 7, so you could just install it on your Win7 machine. The other more complicated route would be to run a VNC client on the Win7 box and a matching server on the Linux side. Then you can have access to the remote linux desktop from Win7.
Reference here.

Can't sftp to remote server via SSH using RSE in eclipse while on VPN(Cisco AnyConnect)

Everything is fine while I'm using Windows XP but after upgrading to windows 7, I can no longer access remote systems (vms and linux servers) using RSE in eclipse while on VPN(Cisco AnyConnect). I'm getting pop-up message RSEG1066 -- Failed to connect sshd on :22. detail button says "java.net.SocketException: Permission denied: connect"
I can access those systems via SSH in putty from the same Windows environment. Any eclipse users here experiencing the same problem?
Looks like the module used by RSE to connect to the remote server is not yet compatible with java 7. Reverting back to older version (java 6 in my case) solves the issue.

UNIX web development server for virtual machine PC in Windows

I'm planning to build Linux web development server in virtual machine environment on Windows Virtual PC. As I don't have much experience with installing and configuring Linux web servers, I wanted to ask for some advice:
What Linux distribution do you recommend for such server? I want the virtual server to look like real hosting environment.
Do any pre-configured virtual machines for web development exist out there?
Maybe some instruction and tips on configuring?
My requirements for the server are quite standard: latest versions of Apache, MySQL, PHP, probably Python and Postgre.
Thank you.
UPDATE: OK I think I'll go with Ubuntu Server for this.
You can probably go with Ubuntu. It is easy for a beginner and there is plently of documentation on how to install a LAMP stack and later you can move on to other distros.
If you are looking for pre-configured machines, then you can have a look at VMWare Appliances
For the distribution I would recommend Ubuntu - you can add all the server software you want from their repositories.
For a virtual machine I'd recommend Ubuntu Server Edition JeOS, as that won't have any un-needed software on it.
Debian Lenny - rock solid stability & the most package support
I'm sure you can find some
Use prefork-worker apache, MySQL 5/PHP 5, Postgres 8.4.
There are lots of prebuilt vmware images that you can use. You might also consider looking at something like Amazon EC2 for which there are lots of off the shelf images.
I would also suggest Ubuntu server as a base OS.
Incidentally there are other virtualisation options in case Virtual PC doesn't recognise those prebuilt image formats (I think those formats are more standardised and interoperable these days, but not sure)...e.g. there is vmware, and there is virtualbox.org
Does it need to be in Linux straight away? You can run (Apache et al) XAMPP locally and get it up and running in 5 minutes.