Servers

10 Server and network monitoring tools

When you have a website or a network, it’s helpful to be aware of any issues as soon as they occur. There are open source and freeware server/network monitoring tools that will supervise your infrastructure for any issues that may arise. These tools are meant to aid you in avoiding…

Syncronize Files Between Servers With RSYNC

Synchronize Files With rsync Synchronizing files from one server to another is quite awesome. You can use it for backups, for keeping web servers in sync, and much more. It's fast and it doesn't take up as much bandwidth as normal copying would. And the best thing is, it can be…

Install Bit Torrent Sync on Ubuntu

There are some great tools for syncing files over the internet available to us, but one stands out from the rest in regards of technology used and possible use cases. A public beta version was released in June this year and now it’s available for Windows, Mac, Linux, FreeBSD, Android and…

Ubuntu: How To Start Program As Service

According to Ubuntu’s Upstart website, “Upstart is an event-based replacement for the /sbin/init daemon which handles starting of tasks and services during boot, stopping them during shutdown and supervising them while the system is running.”Basically, Upstart is an init daemon that replaces the /etc/init.d scripts.It comes…

PHP files are downloaded by browser instead of processed by the server, how to solve it?

After upgraded some packages in my ubuntu server, sometimes php configuration goes crazy and PHP files are downloaded by browser instead of processed by the server, how to solve it? Here are the steps to solve fastly the problem.   Follow thiese commands:   Code: sudo a2enmod php5 and it said "Module php5 already enabled".    re-starting apache2…

Useful list of commands for linux server management

List of checks that you can perform on a linux server to try and figure out why it keeps going down Disk Space: df -h (Make sure you have enough disk space) Memory: free -m (Check you're not out of memory) Processes / Load average top (shift + m) htop (Check for processes that are taking up a lot of…

Setup SSL Certificate on Apache and Ubuntu 12.04

How to Create a SSL Certificate on Apache for Ubuntu 12.04   About SSL Certificates A SSL certificate is a way to encrypt a site's information and create a more secure connection. Additionally, the certificate can show the virtual private server's identification information to site visitors. Certificate Authorities can issue SSL certificates that…

Syncronize Files Between Two Ubuntu Servers Using Unison and Incron

File Synchronization Between Two Ubuntu Servers using Unison Unison is a file-synchronization tool for Unix and Windows. It allows two replicas of a collection of files and directories to be stored on different hosts (or different disks on the same host), modified separately, and then brought up to date by propagating…

Install apache2 mod_security and mod_evasive on Ubuntu 12.04

This guide is intended as a relatively easy step by step guide to: Install and configure Apache2 ModSecurity and mod_evasive modules on Ubuntu 12.04 LTS server. Things have become much easier than before installing both these two excellent security modules for Apache2 in Ubuntu 12.04 LTS, as both modules…

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