Private Administration Software

This software is strictly private and proprietary. It is not for sale, redistribution, or public provisioning.

Falex Systems (FS) Complete Command Reference

Falex Systems (FS) is a unified modular CLI toolkit designed for server administration, infrastructure orchestration, automated repairs, and security management across enterprise Linux distributions.

Supported Operating Systems

The FS engine dynamically detects OS environment, package managers, systemd/sysvinit service names, and configuration paths across all supported enterprise platforms.

AlmaLinux
Versions: 8.x, 9.x, 10.x

Primary platform for cPanel and hosting stacks. Native DNF package manager and full repository restoration support.

Ubuntu Server
Versions: 20.04, 22.04, 24.04 LTS

Full APT package management, native deb822 source support (Ubuntu 24.04+), Apache2/PHP-FPM, and UFW firewall integration.

CloudLinux
Versions: 7.x, 8.x, 9.x

Full LVE Manager, CageFS skeleton updates, alt-php multi-version hardening, and kernel synchronization.

Rocky Linux
Versions: 8.x, 9.x

Enterprise binary compatible with RHEL. Automated official mirrorlist sync and DNF cache management.

Debian
Versions: 10, 11, 12, 13 (Trixie)

Standard APT tooling, Postfix/Exim mail delivery tuning, and deb.debian.org upstream mirror restoration.

CentOS & Stream
CentOS 7, Stream 8, Stream 9

Automatic routing to official vault.centos.org for EOL versions, preventing 404 repository update failures.

1. Core System & Service Management

Universal multi-OS service restarters, full stack suite updates, and cache clearing.

fs restart all NEW

Universal service restarter. Detects OS and restarts web servers (Apache/LiteSpeed/Nginx), all PHP-FPM pools, MariaDB/MySQL, and Exim/Postfix/Dovecot.

fs restart web NEW

Restarts active web servers (Apache httpd/apache2, LiteSpeed lsws, Nginx).

fs restart php NEW

Restarts every installed PHP-FPM daemon pool (ea-php*, alt-php*, and standard system php-fpm).

fs restart db NEW

Restarts MariaDB or MySQL database servers gracefully.

fs restart mail NEW

Restarts Mail Transfer Agents (Exim, Postfix, Dovecot).

fs update

Performs a clean system package upgrade (auto-selects DNF/YUM on RHEL/Alma or APT on Ubuntu/Debian).

fs update cp basic

Full suite update for cPanel, LiteSpeed, LSWS Core, CloudLinux, Imunify360, Softaculous, JetBackup, WHMReseller, and FleetSSL.

fs update cp pro

Pro suite bundle update (Basic Suite + OSM Security, CXS Scanner, and CPGuard).

fs update cpanel

Forces cPanel master update (/scripts/upcp --force), refreshes licensing metadata, and updates system packages.

fs update tweak

Synchronizes and hardens WHM tweak settings across all accounts.

fs revert tweak

Restores default WHM tweak settings.

fs flush all

Flushes system memory cache, drops pagecache/dentries/inodes, clears DNS cache, and rotates firewall logs.

fs transfer

Interactive high-speed Rsync server-to-server migration wizard with SSH key exchange.

2. Automated System Repairs

One-command diagnostics and automated fixes for broken OS mirrors, stuck ports, boot services, and SSL.

fs fix mirror NEW

Restores broken, 404, or corrupted package repositories to official upstream mirrors (AlmaLinux 8/9/10, Rocky Linux, Ubuntu 20.04-24.04, Debian 10-13, CloudLinux, and CentOS Vault).

fs fix boot

Enables and restarts NetworkManager to ensure uninterrupted network connectivity across reboots.

fs fix ssh NEW

Comprehensive SSH repair: unmasks & restarts SSH daemon, resolves CloudLinux PAM lockout (pam_lve.so), fixes missing host keys, and opens firewall ports.

fs fix dead ports

Kills orphaned network listeners, unlocks stuck system and cPanel ports, and restores socket bindings.

fs fix transfer tool bug

Repairs stuck cPanel Transfer Tool migration sessions, clears lock files, and rebuilds restorepkg caches.

fs fix cloudlinux reboot

Applies CloudLinux testing kernel updates, synchronizes modules, and initiates a clean reboot sequence.

fs fix resolv

Unlocks immutable flag, writes Google Public DNS (8.8.8.8 / 8.8.4.4) to /etc/resolv.conf, and restores immutable protection.

fs fix ptr

Aligns /etc/mailhelo with server hostname and installs an automated cron job to keep PTR records synchronized.

fs fix ssl

Installs and configures the cPanel Let's Encrypt V2 AutoSSL provider.

fs fix python

Resolves CloudLinux internal python selector path conflicts and rebuilds supported interpreter indexes.

3. PHP Optimization & Mailer Control

PHP INI hardening, bytecode caching, and multi-version mailer toggles.

fs enable php mailer NEW

Removes mail() and mb_send_mail() from disable_functions across all PHP versions (ea-php*, alt-php*, /etc/php*) and reloads PHP-FPM pools.

fs disable php mailer NEW

Adds mail() and mb_send_mail() to disable_functions across all PHP versions to instantly halt outgoing spam outbreaks.

fs php opcache enable NEW

Enables OPcache across all PHP versions with high-performance allocation (128MB RAM, 10,000 files, 60s revalidation).

fs php opcache disable NEW

Disables OPcache bytecode caching across all PHP versions.

fs php opcache clear NEW

Flushes active OPcache bytecode cache gracefully without restarting the entire server.

fs update ini

Applies enterprise PHP hardening across all versions (memory_limit 1024M, max_execution_time 12000, upload_max_filesize 2020M).

fs optimize

Automatically tunes PHP execution memory limits, script execution timers, and error logging.

4. Security, SSH Port & DDoS Mitigation

Automated SSH port migration, multi-engine malware scanning, socket connection analysis, and anti-flood filters.

fs ssh port <number> NEW

Safely changes SSH daemon listening port (e.g. fs ssh port 2211). Opens port in CSF, Firewalld, and UFW before restarting SSH daemon to prevent lockouts.

fs ssh enable

Restores external remote SSH access across standard network interfaces.

fs ssh disable

Locks SSH daemon to loopback address (127.0.0.1) only, isolating SSH from public network attacks.

fs ssh status

Displays active SSH port, listening IP bindings, and firewall status.

fs whitelist <IP>

Adds an IP address to allowlists across CSF (csf.allow), cPHulk, Firewalld, and UFW simultaneously.

fs ddos status NEW

Live socket monitor displaying top connecting IP addresses, connection counts, SYN flood states, and security threat scoring.

fs ddos mitigate NEW

Hardens kernel TCP SYN cookies, tunes backlog queues, and automatically bans abusive connection flooders (>50 concurrent hits).

fs scan malware quick NEW

Fast malware scan of common web document roots using Imunify360, Maldet, ClamAV, and native base64/eval pattern detectors.

fs scan malware full NEW

Comprehensive server-wide filesystem malware and web-shell scan across /home, /var/www, and /tmp.

5. Server Diagnostics & Health Audits

Real-time system health checks, mail audit tables, backup validation, and disk consumption breakdowns.

fs status

Real-time server diagnostic dashboard (CPU load, RAM usage, Swap, Inodes, Active Services, and Failed SSH Logins).

fs disk top 10 NEW

Formatted ASCII table listing the top 10 largest storage consumers across /home, /var, and /root (formatted in MB if <1GB, otherwise GB).

fs disk top 20 NEW

Formatted ASCII table listing the top 20 storage consumers across server partitions.

fs check mails

Parses Exim/Postfix mail logs and generates an ASCII table ranking top email senders in the last 24 hours with threat risk assessments.

fs check backup

Audits /backup/ directory for a specific date and checks if all cPanel accounts have completed snapshots.

6. Database & Storage Management

Automated database tuning with pre-backups, deep junk cleaning, backup generation, and account management.

fs mysql tune NEW

Creates a full database & my.cnf backup first, then auto-calculates and applies optimal innodb_buffer_pool_size and max_connections based on installed RAM.

fs clean junk NEW

Deep cleans error_log files >50MB across all accounts, package manager cache, stale /tmp sessions, and vacuums systemd journal logs.

fs backup all

Runs full background backups (pkgacct) for all cPanel accounts with storage threshold safety verification.

fs unsuspend-all

Lifts account suspension across every cPanel user account on the server.

fs terminate <domain>

Terminates the cPanel account associated with the domain and adds the domain to the system blacklist.

fs unzip <file>

Smart archive extraction tool supporting .zip, .tar.gz, .tgz, and .tar formats.

7. CloudLinux & LVE Optimization

CloudLinux kernel, LVE resource defaults, and CageFS synchronization.

fs update cls NEW

Applies high-performance CloudLinux LVE defaults (4GB RAM / 4096M PMEM, 50 Entry Processes, 5MB/s IO), force-updates CageFS skeleton, restarts lvestats/lvemanager, and runs cloudlinux-update.

fs update lve

Alias for fs update cls to synchronize LVE resource parameters and CageFS.

8. Software Module Installers

One-command automated deployment for enterprise plugins, firewalls, and tools (fs install <module>).

fs install csf Firewall

Deploys ConfigServer Security & Firewall (CSF) and sets production configuration (TESTING = 0).

fs install imunify360 Security

Installs Imunify360 AI-driven automated server security platform.

fs install imunifyemail Security

Installs ImunifyEmail outgoing spam filter and reputation protection engine.

fs install litespeed Web Server

Installs LiteSpeed Enterprise Web Server and integrates with control panel.

fs install cloudlinux OS

Installs CloudLinux OS conversion packages.

fs install cldeploy OS

Runs official CloudLinux cldeploy conversion script.

fs install jetbackup Backups

Installs JetBackup 5 enterprise disaster recovery and backup manager.

fs install softaculous Scripts

Installs Softaculous 1-click auto-installer for cPanel, Plesk, and DirectAdmin.

fs install sitepad Website Builder

Installs SitePad drag-and-drop website builder plugin.

fs install fleetssl SSL

Installs FleetSSL (Let's Encrypt for cPanel) automated SSL manager.

fs install whmreseller Reseller

Installs WHMReseller master reseller management system for cPanel.

fs install cse Utility

Installs ConfigServer Explorer (CSE) visual file manager in WHM.

fs install cmc Utility

Installs ConfigServer Mail Control (CMC) mail management interface in WHM.

fs install acme SSL

Installs Acme.sh zero-dependency SSL certificate issue and renewal engine.

fs install system DevTools

Installs development tools group (gcc, make, kernel headers, build-essentials) on RHEL or Debian/Ubuntu.

fs install encode Security

Installs SHC and binary compiler toolchains for compiling shell scripts into standalone ELF binaries.

fs install accountdnscheck DNS

Installs AccountDNSCheck utility for domain resolution and DNS health audits.

fs install btop Monitor

Installs BTop terminal resource monitor (CPU, memory, disks, network, and processes).

9. License Administration

Provisions and manages enterprise software licensing (fs rc <module>).

fs rc cpanel

Provisions and updates cPanel license.

fs rc verify cpanel

Forces license verification and key synchronization for cPanel.

fs rc litespeed

Provisions and updates LiteSpeed Web Server license.

fs rc update lsws core

Updates LiteSpeed Web Server core binaries to the latest release.

fs rc cloudlinux

Provisions and updates CloudLinux license.

fs rc imunify360

Provisions and updates Imunify360 security suite license.

fs rc directadmin

Provisions and updates DirectAdmin control panel license.

fs rc plesk

Provisions and updates Plesk control panel license.

fs rc softaculous

Provisions and updates Softaculous auto-installer license.

fs rc sitepad

Provisions and updates SitePad website builder license.

fs rc jetbackup

Provisions and updates JetBackup license.

fs rc whmreseller

Provisions and updates WHMReseller license.

fs rc fleetssl

Refreshes and validates FleetSSL license.

fs rc whmsonic

Provisions and updates WHMSonic shoutcast license.

fs rc dareseller

Provisions and updates DirectAdmin Reseller plugin license.

fs rc virtualizor

Provisions and updates Virtualizor VPS manager license.

fs rc cpguard

Provisions and updates CPGuard security license.

fs rc cxs

Provisions and updates ConfigServer eXploit Scanner (CXS) license.

fs rc osm

Provisions and updates OSM Outgoing Spam Monitor license.

fs rc remover

Downloads and executes the license uninstaller tool.

fs gb issue

Provisions the entire GB license suite (Softaculous, Imunify, LSWS, SitePad, JetBackup, CloudLinux, WHMReseller).

fs firewall

Deploys CSF firewall with standard security configuration and runs AccountDNSCheck.

fs tools

Checks server IP licensing status and executes compatibility verification suite.

fs remove license

Uninstalls and removes all licensing systems from the server.

10. System Utilities & Maintenance

Hostname management, script encryption, downgrades, module uninstalls, and uninstallation.

fs label <new.hostname.com>

Configures system hostname via hostnamectl and synchronizes network resolvers.

fs hostname <new.hostname.com>

Alias for fs label to change server hostname.

fs hostname-ssl

Triggers AutoSSL certificate generation and installation for the server hostname in cPanel.

fs downgrade lsws

Downgrades LiteSpeed Web Server to stable version 6.2.2 via lsup.sh.

fs encode <file.sh>

Compiles shell script into a stripped, encrypted standalone ELF binary executable.

fs update docs

Downloads and updates the local documentation hub to /usr/share/fs/docs.

fs uninstall csf

Uninstalls ConfigServer Security & Firewall (CSF) cleanly.

fs uninstall btop

Uninstalls BTop resource monitor.

fs uninstall cse

Uninstalls ConfigServer Explorer (CSE) from the system.

fs uninstall cmc

Uninstalls ConfigServer Mail Control (CMC) from the system.

fs uninstall

Completely uninstalls Falex Systems binary (/usr/bin/fs), clears caches, and purges shell command history.