1. Install JDK: add-apt-repository ppa:openjdk-r/ppa
apt-get update
apt-get install -y openjdk-8-jdk unzip
java -version #Check version
vi /etc/security/limits.conf #Append at the bottom; if 65535 already exists, change to 65 …
Check Current Status:
ufw status
Note: “inactive” means the firewall is not active, i.e., it is in a disabled state.
Disable Firewall:
ufw disable
Enable Firewall:
ufw enable …
Previously, I published an article on How to Set Up a PPTP VPN Server on Ubuntu. However, in some cases, PPTP can be affected and may not work properly. In that scenario, you have another option: using an L2TP/IPSec VPN. Install the packages: sudo apt-get install xl2tpd openswan ppp
Install pptpd: sudo apt-get install pptpd. Edit configuration: sudo vi /etc/pptpd.conf. Set localip and remoteip. The second line specifies the IP range to assign. Set DNS: sudo vi /etc/ppp/pptpd-options. Modify for Google DNS:
Bacula is an open-source network backup solution that allows you to back up or restore data on local or remote computer groups. It is easy to configure and install, and supports many advanced storage management features. In this tutorial, let’s learn how to install and configure Bacula on an Ubuntu 14.04 server. …
For users who want an easy-to-use interface, Ubuntu is a great Linux distribution, arguably the best for Linux newcomers. However, this comes with a side effect – Canonical has made many decisions about the interface and appearance for users, especially the Unity desktop environment
Virtual hosts serve multiple domain websites on a single IP address. Useful for running multiple sites on one VPS IP. This tutorial shows how to set up Apache virtual hosts on Ubuntu 14.04 LTS…
Webmin is an open-source, web-based system administration tool for Unix/Linux. With Webmin, you can set up and install all system services directly from your browser, including DNS, DHCP, Apache, NFS, Samba, and more. So, with this tool, you no longer need to remember every configuration modification …
After installing Ubuntu I suddenly realized I hadn’t set a root password, and without knowing the password I naturally couldn’t access the root user. I searched online and found out what was going on. Ubuntu’s default root password is random, meaning each boot has a new root password. We can enter the command in the terminal sudo p …
After spending time on Ubuntu DNS, you may encounter network issues. This article introduces solutions for configuring DNS and IP addresses on Ubuntu using both commands and configuration files.
