Getting started
395 articles and guides on getting started from the NexonHost team — page 17 of 17.
HTTP response status codes
HTTP response status codes HTTP response status codes indicate whether a specific HTTP request has been successfully completed. Information responses 100 Continue This interim response indicates that the client should continue the request or ignore the response if the request is already finished.
Read article →How To Install Nginx on Ubuntu 18
How To Install Nginx on Ubuntu 18 Installing Nginx Since Nginx is available in Ubuntu’s default repositories, it is possible to install it from these repositories using the apt packaging system. sudo apt install nginx After accepting the procedure, apt will install Nginx and any required…
Read article →How to Configure Static IP Address on Ubuntu 18
How to Configure Static IP Address on Ubuntu 18 The newer versions of Ubuntu uses ‘Predictable Network Interface Names’ that, by default, start with en[letter][number]. The first step is to identify the name of the ethernet interface you want to configure. To do so use the ip link command, as…
Read article →How to Test Network Throughput with iPerf on Debian and Ubuntu
How to Test Network Throughput with iPerf on Debian and Ubuntu Install iPerf The iperf package is included in most Linux distribution’s repositories. Debian and Ubuntu apt-get install iperf How to Use iPerf iPerf must be installed on the computers at both ends of the connection you’re testing.
Read article →Started Service enabling compressing RAM with zRam – CentOS/RHEL 7 Installation hung
Started Service enabling compressing RAM with zRam – CentOS/RHEL 7 Installation hung When installing CentOS/RHEL 7 on a hardware box with huge amount of ram installed, the installation gets hung at: [ OK ] Started Anaconda NetworkManager configuration. Starting Anaconda NetworkManager configuration…
Read article →How to add a second IP address, permanent or temporary in Linux
How to add a second IP address, permanent or temporary in Linux Add a second temporary IP address Using ifconfig If you want to add a secondary IP address to a NIC already in use in Linux, and have that change only temporary. Enter this command: ifconfig [nic]:0 [IP-Address] netmask [mask] up An…
Read article →Using ipset to block IP addresses – firewall
Using ipset to block IP addresses – firewall ipset is an excellent tool that can be used to efficiently block a list of IP addresses at the firewall level (it uses iptables). It really helps in easily adding IP addresses and maintaining IP address blocklists. The below guide sets up ipset to…
Read article →How to Whitelist/Allow an IP address on CentOS, Redhat, Fedora Linux Server
How to Whitelist/Allow an IP address on CentOS, Redhat, Fedora Linux Server Steps to Allow incoming and outgoing connection in IPtables Firewall is given below. How to Whitelist/Allow Incoming connection from an IP address Login into your Linux server via SSH as ‘root’ user Run the command…
Read article →How to use iptables
How to use iptables The user-space application program iptables allows configuring the tables provided by the Linux kernel firewall, as well as the chains and rules it stores. The kernel module currently used for iptables only applies to IPv4 traffic, to configure firewall rules for IPv6…
Read article →How to install java on CentOs.
How To Install Java On CentOs. First update all packages. Use these command: 2. Install OpenJDK package with these comand: 3. Install OpenJDK-devel package: 4. Check if the package is installed properly through rpm tool: 5. Now check the java version: This is how to install Java in five steps.
Read article →How To Use grep Command In Linux
How To Use Grep Command In Linux Grep is an essential Linux and Unix command. It is used to search text and strings in a given file. In other words, grep command searches the given file for lines containing a match to the given strings or words. The syntax is as follows: grep ‘word’ filename…
Read article →