Linux Tutorials on the topic “debian”
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How to monitor OpenVZ limits with vzwatchd on Debian and Ubuntu
Author: Till Brehm • Tags: debian, linux, monitoring, ubuntu • Comments: 2
Vzwatchd is an OpenVZ monitoring daemon that informs the server administrator by email when a limit of the container is reached. OpenVZ is a Linux Kernel virtualisation technology that is often used by Web Hosting services, it is the free core of the commercial virtuozzo virtualisation application. OpenVZ is a lightweight virtualisation which has less overhead then KVM or XEN, it is more like a Linux LXC jail but with advanced limit options to define how many ressources a virtual machine may use and it has support for filesystem quota.
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Using Putty to remotely open GUI applications
Author: Akshay Pai • Tags: linux, debian, desktop • Comments: 10
Remote connections can be established with system over a network through SSH (secure shell) easily, we can login, perform actions or send commands to another system remotely trough this conection on the commandline. But what we cannot do is launch a GUI application for viewing content present in the remote node. This is the disadvantage of using ssh in a terminal. But this disadvantage can be easily solved by making use of "putty", a remote login application which can not only be used to login to a remote node, but also launch GUI applications. Examples of GUI applications are Browser, text viewers, etc.
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Getting started with commandline encryption tools on Linux
Author: Akshay Pai • Tags: linux, debian, ubuntu, centos, opensuse, security • Comments: 2
Encryption is the process of encoding messages or information in such a way that only authorized parties can read them. With almost no privacy in this digital generation of our's, encryption of our data is one of the most required tools. Most of the applications like gmail encrypt our data, but the data on your system is still unsecured and there are hackers or unauthorised users waiting to access them. One way to minimize the risk of data theft is to encrypt the data that is present even on our local system. This tutorial demonstrates several methods of encrypting the data on Linux systems using commandline tools.
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Using RoundCube Webmail With ISPConfig 3 On Debian Wheezy (nginx)
Author: Falko Timme • Tags: control panels, debian, email, ispconfig, nginx, web server • Comments: 21
This guide explains how to install the RoundCube webmail application on a Debian Wheezy server running ISPConfig and nginx, and how to enable the ISPConfig 3 plugins for RoundCube so that users can perform actions like changing their email passwords from within RoundCube. Roundcube webmail is a browser-based multilingual IMAP client with an application-like user interface; it comes with functions like MIME support, address book, folder manipulation, message searching and spell checking.
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Securing Your ISPConfig 3 Installation With A Free Class1 SSL Certificate From StartSSL
Author: Falko Timme • Tags: apache, control panels, debian, email, ispconfig, nginx, postfix, ubuntu, web server • Comments: 40
Securing Your ISPConfig 3 Installation With A Free Class1 SSL Certificate From StartSSL This tutorial shows how you can use a free Class1 SSL Certificate from StartSSL to secure your ISPConfig 3 installation and get rid of self-signed certificate warnings. The guide covers using the SSL certificate for the ISPConfig web interface (both Apache2 and nginx), Postfix (for TLS connections), Courier and Dovecot (for POP3s and IMAPs), and PureFTPd (for TLS/FTPES connections). If you've installed monit and use HTTPS for its web interface, I will show you how to use the StartSSL certificate for it as well. This guide assumes you use Debian or Ubuntu; the principle is the same for other distributions supported by ISPConfig 3, but paths might differ.
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How to monitor server log files with Logwatch on Debian and Ubuntu
Author: Gurujyot_singh • Tags: linux, debian, ubuntu, monitoring • Comments: 3
Logwatch is a system log analyzer and reporter. This tutorial covers the installation of Logwtach and explains various config options incl. reporting of notable log events by email.
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Linux Quota - installation and configuration on Ubuntu and Debian
Author: Gurujyot_singh • Tags: linux, debian, ubuntu • Comments: 5
Quota allows you to specify limits on two aspects of disk storage: the number of inodes a user or a group of users may possess; and the number of disk blocks that may be allocated to a user or a group of users. The idea behind quota is that users are forced to stay under their disk consumption limit, taking away their ability to consume unlimited disk space on a system. Quota is handled on a per user, per file system basis. If there is more than one file system which a user is expected to create files, then quota must be set for each file system separately. Various tools are available for you to administer and automate quota policies on your system.
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HPL (High Performance Linpack): Benchmarking Raspberry PIs
Author: Akshay Pai • Tags: linux, raspbian, debian • Comments: 18
Benchmarking is the process of running some of the standard programs to evaluate the speed achieved by a system. There are a number of standard bechmarking programs and in this tutorial we benchmark the Linux system using a well known program called the HPL, also known as High Performance Linpack.
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How to replace a failed harddisk in Linux software RAID
Author: Till Brehm • Tags: centos, debian, fedora, linux, suse, ubuntu • Comments: 6
This guide shows how to remove a failed hard drive from a Linux RAID1 array (software RAID), and how to add a new hard disk to the RAID1 array without losing data. I will use gdisk to copy the partition scheme, so it will work with large harddisks with GPT (GUID Partition Table) too.
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Raspberry Pi Basics: installing Raspbian and getting it up and running
Author: Akshay Pai • Tags: linux, raspbian, debian • Comments: 15
So, are you a person who got a raspberry pi (aka "pi") and want to start building something with it but don't know how to go about it? If yes, then this tutorial is for you. Here in this howto, we go about installing the Raspbian OS and initiating a desktop environment.