![]() IPADDR: The IP address of the network interface. Required if you require connectivity beyond your local network subnet, such as having Internet connectivity. GATEWAY: The IP address of your network gateway. By doing so you return to having a naming convention of etc. While it is not recommended to disable this feature, you may disable it at any time. For example, the first network interface for a CentOS 7 server running on Virtualbox would be labeled enp3sp, or Ethernet device, bus 3, slot 0. ![]() For an ethernet card, the following are used: type, bus, and slot. The predictable naming convention assigns a name to an interface based on a number of factors. However, it wasn’t until CentOS 7 was released that the feature was enabled by default. Understanding Network Interface NamingĪ predictable way of determining a network interfaces name was introduced in CentOS 6. To add some confusion, the next interface is labeled enp8s0. This is no longer the case, as the first network interface is now labeled enp3s0. The first interface would also be named eth0. Prior to CentOS 7 the network interfaces were numbered, starting from 0. The biggest difference between the latest major version and those below it is the naming convention for network interfaces. If you are familiar with CentOS 6 or lower, you will notice that the network configuration files are largely the same. If you need web hosting for your latest project, be sure to visit our friends, who have the best offering for managed WordPress hosting.The following tutorial will guide you through configuring CentOS 7 network settings. If the owner has chosen to hide their information, you can nevertheless return forwarding information. If you are curious as to who the responsible party (or parties) is behind a domain name, the WHOIS query will allow you to query multiple domain registrars’ databases. Conversely, if a URL contains special characters and has been encoded, yet you want to see it in a more human-readable form, use URL Decode to standardize the URL. If you need to include special characters in your URL, you’ll need to encode them so that the URL remains valid. Figuring out who hosts a specific resource and where the host is located.Determining if there’s a specific server (or node) that is slow or unreachable.If you are curious as to what path your requests are taking, as well as how long it takes to get from point A to point B (as well as intermediary stops), you can use the Traceroute tool. This can be helpful if you aren’t receiving mail or are sending mail that isn’t being received by the intended recipients. ![]() With the Spam Blacklist Checker, you can check to see if a domain name (regardless of whether you own it or not) has been put on a spam blacklist. You provide an IP address or a domain name, and you can see if the host is responding or not. To determine if a server is responding to requests, you can use Online Ping. The IDN to Punycode and Punycode to IDN tools will help you with these tasks. In some circumstances, you might need to convert punycode back to the original domain name. If you are working with domain names that contain non-English characters, you’ll need to convert the domain name into punycode, which can then be provided to the DNS server. Alternatively, you can use it to check for redirection - minimizing these optimizes any links you might be using. If you notice odd behavior with your HTTP connections, you can use this tool to troubleshoot the top-level domain. The HTTP Headers tool allows you to see what headers are returned by a web server for a specific domain name or IP Address. If you’re trying to cull false email addresses from your email list or something similar, this tool will be helpful. It makes sure that the email is syntactically valid and that it is available via an SMTP server. The Email Checker allows you to test the validity and reachability of an email address. ![]() The NsLookup tool allows you to provide a hostname and request one or more types of DNS records (e.g., A, NS, CNAME records). For other types of domain name records, use NsLookup. This tool returns only address (A) records. You can use this to help diagnose problems and see if the problem originates from the domain name server - if you cannot return a domain’s records, you’ll know where to begin troubleshooting! The DNS Lookup tool retrieves domain name records for the domain name that you provide. #INETWORK AUTO GROUP LOCATION FREE#We’ve been providing these free of charge for over twenty years, so don’t hesitate to take advantage of any of these! If you want to know a bit more about these tools, read on. Are you a webmaster? IT guru? All-around geek? If so, we’ve got the networking tools you need to keep your networks in tip-top shape. ![]()
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