Introduction Service management is a fundamental aspect of Linux system administration. Modern Linux distributions that use systemd — including Ubuntu (15.04+), CentOS/RHEL 7+, Debian 8+, Fedora, AlmaLinux, and Rocky Linux — offer powerful tools for interacting with system services. Among these, the systemctl and journalctl commands are central to monitoring and diagnosing services in real
Introduction Managing storage devices is a core task in Linux system administration. Whether dealing with USB flash drives, external hard drives, network shares, or additional internal disks, the ability to mount and unmount these devices manually is crucial. Linux provides two essential command-line utilities for this purpose: mount and umount. The mount command attaches a
Introduction Securing remote access to Linux servers is a critical task for system administrators. The Secure Shell (SSH) protocol is widely used for remote server administration, and by default, it allows any system user to attempt a login. This default behavior can increase the attack surface, especially in environments with numerous user accounts or shared
Hard Reboot vs Soft Reboot: What’s the Difference? What is a Hard Reboot? A hard reboot (also known as a power cycle or forced restart) is when the power to a server is physically interrupted and then restored. This is typically done when a server becomes unresponsive, and normal shutdown procedures can’t be executed. At
Introduction Rebooting a server is a critical administrative task that may be necessary after installing system updates, applying configuration changes, or resolving performance and stability issues. Performing a safe reboot from the command line ensures that active processes are gracefully terminated, file systems are properly synced, and users are notified when necessary. This operation is
🌐 FAQ: Can I Remap Floating IPs on My Cloud Instance? I want to move a Floating IP to another instance. Is that possible? Yes! You can remap Floating IPs at any time—but this is only supported on platforms that include Floating IP functionality, such as IP ServerOne’s NovaCloud. This feature is not available on
🌐 FAQ: Can You Share the Traceroute Details for a Cloud Instance on Your Cloud Platform? I want to check connectivity—can you provide a traceroute to one of your Cloud instances? Yes, we can assist! If you need to troubleshoot latency or routing issues to a Cloud Instance on our platform, you can either perform
Introduction Fail2Ban is a lightweight intrusion prevention system designed to automatically block suspicious IP addresses that exhibit malicious behavior—such as repeated failed login attempts—by updating firewall rules like iptables or TCP wrappers. It operates within defined “jails” that monitor specific services (for example, SSH, FTP, or web applications) and enforces temporary bans every time they
🛠️ FAQ: Why Can’t I Install the Latest PHP Version on My Server? I’m trying to latest PHP (PHP 8.x) but it’s not available. Why? If you’re using DirectAdmin and can’t install the latest PHP version (like PHP 8.2), it’s most likely because your server is running an outdated operating system (OS). While DirectAdmin can
📧 FAQ: Email Cannot Login (cPanel) Why can’t I log in to my email account via cPanel or webmail? There are several common reasons why an email account may fail to log in through cPanel or webmail on our hosting servers. Below are key areas to check: 1. Incorrect Email Address or Password Double-check that