Imagine you have a file. Perhaps it is a log file. It is long, and has much information in it. And buried somewhere in that file, there is one piece of information that you need to find. It would take far too long to read through the huge file. This situation cries out for some faster method of extracting that piece of information.
For this very task, Linux provides us grep.
Continue reading “How to use Grep”
So you know how to ssh into your server. We at Liquid Web do too. Sometimes, in the course of supporting you, we need to ssh into the server to figure out what the problem is.
But how do you know if we have shelled into your server? If more than one person is shelled into a server, and all are trying to fix a problem, it is possible that they could step on each others’ toes. It would be grand if the shell provided a simple yet mighty command that displayed all of the users who are shelled in.
Continue reading “Who’s SSHed Into My Server?”
An alternative firewall to APF is the Config Server Firewall, or CSF.
CSF is generally considered a more advanced firewall as there are more configuration options compared to other firewalls, while still being simple enough to install and configure that even novice administrators can use it. This article will give you a simple overview about how to install and configure CSF and its security plugin LFD (Login Failure Daemon).
Continue reading “CSF: Config Server Firewall Installation”
Our monitoring team is on site every hour of every day keeping an eye on your server. Using manage, you can check your monitoring status as well as make changes to the server’s monitoring settings.
Continue reading “How To: Change Monitoring Settings Using Manage”
This guide will walk you through the process of changing a domain’s Mail Exchange (MX) record(s) to point e-mail at a different server. MX records are a critically important part of a web site’s DNS because they tell the rest of the internet where to send e-mail for a domain.
Continue reading “cPanel How To: Change a Domain’s MX Record”
One simple way to improve your Linux server’s security is to use SFTP or SCP instead of regular FTP.
Continue reading “Using SFTP and SCP Instead of FTP”
Now that you know how to SSH into your server it is important to familiarize yourself with some basic command line tools.
Continue reading “New User Tutorial: Basic Shell Commands”
If you have an account on a cPanel server with shell access or your own VPS or Dedicated server running Linux then SSH is a powerful tool to have in your skill set.
Continue reading “New User Tutorial: Basic SSH”
Rsync is a powerful tool that facilitates the transfer and synchronization of data between both local and remote systems.
Continue reading “Using rsync to Transfer and Synchronize Local and Remote Systems”
Are you unable to connect to your server to send and receive email, log into cPanel or WHM, or make an FTP or SSH connection?
If you can’t connect to your website there are a few things you can do to help us better diagnose the source of the problem. The more quickly this information is collected, the more quickly we can fix whatever is causing almost any issue. Help us help you!
Continue reading ““The website is down! Now what?” Help Us Help You!”