fedora

Glances – Real Time System Monitoring Tool for Linux

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Glances monitoring tool

Glances is a cross-platform curses-based command line monitoring tool writen in Python which use the psutil library to grab informations from the system. Glance monitoring CPU, Load Average, Memory, Network Interfaces, Disk I/O, Processesand File System spaces utilization. Glances can adapt dynamically the displayed information depending on the terminal siwrize. It can also work in a client/server mode for remote monitoring. Glances Features CPU Informations (user related applications, system core … Read more

How to configure Network interfaces in RHEL/CentOS or Fedora Linux

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In RHEL/CentOS or Fedora, you can configure network interfaces by using configuration files located in /etc/sysconfig/network-scripts/. For each network interface (e.g., eth0), there should be a corresponding configuration file (e.g., ifcfg-eth0) in the directory. If you would like to configure a network interface, do the following. $ sudo vi /etc/sysconfig/network-scripts/ifcfg-eth0 If you would like to … Read more

How to remove old kernel on RHEL/CentOS/Fedora using YUM command

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This is quick guide howto delete/remove/clean old kernels on Fedora, CentOS, Red Hat (RHEL). I use here two kernel as example, if you want to keep other more or less, then adjust amount of installed kernels as you wish. Normally reason why you maybe want remove kernels is limited disk space, example on VPS servers … Read more

How To Add Remi Repository To CentOS/RHEL 5 Or 6

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The Remi Repo is a yum repository maintained by a French guy – Remi Collet. The remi repository provides a variety of up-to-date packages that are useful or are a requirement for many popular web-based services. How To add/install remi repository to CentOS/RHEL 5 or 6 For CentOS/RHEL 5 32-64 Bit # wget http://rpms.famillecollet.com/enterprise/remi-release-5.rpm # rpm … Read more

How to set up a default gateway on CentOS/RHEL, Fedora linux

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CentOS default gateway, what is it and what is its purpose? A computer needs to know the address of at least one gateway in order to connect to another network, this is called the Default Gateway. Whenever a computer tries to connect to a machine on a different network it will connect to the default … Read more

Install Roundcube Webmail Software On CentOS RHEL Fedora

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Roundcubemail is a browser-based multilingual IMAP client with an application-like user interface. It provides full functionality you expect from an e-mail client, including MIME support, address book, folder manipulation, message searching and spell checking. Install roundcube webmail software on CentOS RHEL Fedora Install the prerequisites yum install httpd php php-common php-json php-xml php-mbstring php-imap php-pear-DB … Read more

Install PostgreSQL 9.2 on Fedora, CentOS/RHEL

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This is guide, howto install PostgreSQL 9.2 database server on Fedora, CentOS/RHEL. This guide uses PostgreSQL own YUM repos, which are always up-to-date and stable releases are available instantly. [alert type=”warning”]Note: If you are upgrading PostgresSQL (from earlier version), then make sure that you backup (dump and copy) your database and configs.[/alert] 1. Install PostgreSQL 9.2.1 Database Server on Fedora, CentOS/RHEL Change root … Read more

Monitoring Ethernet Activity using Arpwatch in Linux

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Arpwatch is an open source computer software program that helps you to monitor ethernet traffic activity (like Changing IP and MAC Addresses) on your network and maintains a database of ethernet/ip address pairings. It produces a log of noticed pairing of IP and MAC addresses information along with a timestamps, so you can carefully watch … Read more

How to Set Up vsftpd on CentOS 6

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Vsftpd (Very Secure FTP Daemon) is an FTP server for UNIX-like systems, including CentOS / RHEL / Fedora and other Linux distributions. It supports IPv6, SSL, locking users to their home directories and many other advanced features. Step 1 — Install vsftpd You can quickly install vsftpd on your virtual private server in the command … Read more

Syntax highlighting VI and VIM command on Fedora/RHEL/CentOS linux

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This is guide, howto enable Vi and Vim text editor syntax Highlighting on Fedora/CentOS / Red Hat (RHEL). Actually on Fedora, CentOS and Red Hat (RHEL) does only have Vim (Vi IMproved), but if you run vi command it works, because it runs small/minimal version of Vim, which is like original Vi. I have seen … Read more