Category : "Server"

Server administration guides

Use your Linux server as a proxy (SSH Tunnel + SOCKS Proxy Forwarding)

Socks proxy via ssh Tunnel I often come across websites that block me because my isp is on some blacklist somewhere. The only option then is to access the website through some kind of proxy server, which are quite hard to find. The best solution for me was to use my own linux servers as proxy servers. Its quite easy to convert ...

Install Monit (process and service monitoring tool) on Ubuntu/Debian

Monit - process and service monitoring tool for Linux Services on any server need to be up and running and do what they are supposed to do. Automated monitoring is a great aid when it comes to ensuring and maximizing the uptime and availability of all these services. It allows system administrators to get notified and fix problems as soon as ...

Setup a mail server with Postfix and Dovecot on Ubuntu / Debian

Mail system for your own domain You have your own domain name and your very own vps/dedicated server and want to use the domain name for emails. So you need to setup a mail server using an smtp server and an imap/pop server. This tutorial shows you how to setup Postfix (smtp server) and Dovecot (imap/pop server). The task of the smtp ...

9 mail/mailx command examples to send emails from command line on Linux

Send mails from command line The mail command is an essential one that should be available on any linux server so that various services and other web applications can generate and transmit emails. In a previous we saw how the mail command can be used to send emails from the command line on your linux server. In this tutorial we shall be ...

Setup mail forwarding in postfix on Ubuntu or Debian

Postfix mail forwarding Postfix is a commonly used MTA (Mail Transfer Agent) program that can receive, deliver or route emails. So if you have your own domain and a server then using postfix you can setup emails on the domain like [email protected] Setting up a full featured mail server with postfix is a lengthy process requiring quite some effort. Furthermore, using ...

6 quick tools to monitor system resources on Linux

Monitor server resources System administrators need to monitor their server to ensure proper functioning. The practice enables administrators to detect possible issues in advance and recover the system, before it causes any trouble. There are plenty of commands on Linux to monitor different system resources like cpu usage, memory usage, network, disk usage and so on. Popular ones are top, htop, iostat, ...

How to configure vsftpd to use SSL/TLS (FTPS) on CentOS/Ubuntu

Securing FTP Vsftpd is a widely used ftp server, and if you are setting it up on your server for transferring files, then be aware of the security issues that come along. The ftp protocol has weak security inherent to its design. It transfers all data in plain text (unencrypted), and on public/unsecure network this is something too risky. To fix the ...

Setup Apache 2.4 and Php FPM with mod proxy fcgi on Ubuntu 13.10

mod_proxy_fcgi The module mod_proxy_fcgi is a new one and it allows apache to connect to/forward requests to an external fastcgi process manager like php fpm. This allows for a complete separation between the running of php scripts and Apache. Earlier we had to use modules like mod_fcgid and mod_fastcgi which all had some limitations. Mod_fcgid for example did not properly utilise ...

Install Nginx + Php FPM + APC on CentOS 6.4

LEMP server A lemp server runs Nginx web server along with Php and Mysql or MariaDB on a Linux system. Nginx is increasing becoming popular because of its lightweight structure and ability to handle large amounts of traffic in an optimum manner. Mariadb is the replacement for mysql because mysql is not very free anymore. In this tutorial we shall be ...

How to Install and configure Apache web server on Ubuntu 13.10

Install Apache Web server A while back I updated my ubuntu to 13.10 and then the apache php installation got messed up. So I had to reinstall it quickly to continue working on my php projects. Apache is there in the ubuntu repositories so can be installed without much effort. Here is the quick command you need to fire at the terminal. $ ...

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