Linux

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Setting Up A Standalone Storage Server With GlusterFS And Samba On Debian Squeeze

Setting Up A Standalone Storage Server With GlusterFS And Samba On Debian Squeeze

This tutorial shows how to set up a standalone storage server on Debian 6.0, using GlusterFS and SAMBA, and custom scripts and settings to make life easier.

Configure Monit To Send SMS Instead Of Email

Configure Monit To Send SMS Instead Of Email

This tutorial helps you configure monit  to send alert messages using SMS to your mobile phone when a service fails instead of traditional email notification. Because monit can send only emails but not SMS, we will use an email-to-sms gateway where monit will send its emails to, and the email-to-sms gateway will convert the emails to SMS messages.

Options For User Auditing On Linux Platforms

Options For User Auditing On Linux Platforms

A variety of methods exist for auditing user activity in UNIX and Linux environments. Some of them come preinstalled within common distributions, some can be downloaded as freeware, and some are commercially available products. Here are some of the most popular methods for auditing. Each method is described, along with tips for how to make the best use of each method. In addition, guidance is provided to show what type of auditing each method is best suited for.

A Beginner's Guide To btrfs

A Beginner's Guide To btrfs

This guide shows how to work with the btrfs file system on Linux. It covers creating and mounting btrfs file systems, resizing btrfs file systems online, adding and removing devices, changing RAID levels, creating subvolumes and snapshots, using compression and other things. btrfs is still marked as experimental, but all those features make it a very interesting and flexible file system that should be taken into consideration when you look for the right file system.

How To Clone And Simulate Network Devices On Linux

How To Clone And Simulate Network Devices On Linux

This guide shows how to clone and simulate devices using free and commonly used tools. This could be helpful while conducting network stress-tests, network audits, etc.

Remote MySQL Performance And Query Monitoring

Remote MySQL Performance and Query Monitoring

There may be the situation that you have to monitor a MySQL server remotely. There are some linux tools to do performance and query monitoring locally, and these tools can also used to monitor remotely - but only unencrypted ! Also often MySQL is only listening on the loopback interface, so it is even not reachable remotely over the net (which is very good seen from the security viewpoint). But there is an easy solution in the Linux world.

Using Wget With FTP To Download/Move Web Sites Recursively

Using Wget With FTP To Download/Move Web Sites Recursively

Sometimes you need to move a web site from one server to another. Instead of downloading the web site from the old server to your PC via FTP and uploading it from your PC to the new server, it would save a lot of time to simply copy the web site from one server to the other. This tutorial explains how to use Wget to download/move a web site from one server to the other via FTP.

Running A Small Business Server With ClearOS 6.3.0 (Community Edition)

Running A Small Business Server With ClearOS 6.3.0 (Community Edition)

This guide shows how you can install and run a Small Business Server with ClearOS 6.3.0 (Community Edition). With ClearOS, you can run various services (such as a file- and print server, a web proxy and content filter, a mail server, etc.) in your local network and manage them through an easy web interface. ClearOS provides apps for each of these tasks from its marketplace - many of them are free, some of them have to be paid for. ClearOS Community is open-source and free. There's also a professional version available for which you have to pay, but which in return provides better support, better tested apps and updates, etc.

Sharing Terminal Sessions With Tmux And Screen

Sharing Terminal Sessions With Tmux And Screen

tmux and GNU Screen are well-known utilities which allow multiplexing of virtual consoles. Using either, it is possible to start a session, detach, move to a different machine and resume the session in uninterrupted progress. It's also possible to use these tools to share a single session between more than one user at the same time.

Using Fail2ban To Block Wrong ISPConfig Logins

Using Fail2ban To Block Wrong ISPConfig Logins

In this tutorial, we'll write an ISPConfig plugin to log failed logins to syslog, filter those entries using rsyslogd and add a fail2ban rule to block malicious users' IPs.

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