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131 lines
5.0 KiB
Markdown
131 lines
5.0 KiB
Markdown
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Linfo – Shows Linux Server Health Status in Real-Time
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============================================================
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Linfo is a free and open source, cross-platform server statistics UI/library which displays a great deal of system information. It is extensible, easy-to-use (via composer) PHP5 library to get extensive system statistics programmatically from your PHP application. It’s a Ncurses CLI view of Web UI, which works in Linux, Windows, *BSD, Darwin/Mac OSX, Solaris, and Minix.
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It displays system info including [CPU type/speed][2]; architecture, mount point usage, hard/optical/flash drives, hardware devices, network devices and stats, uptime/date booted, hostname, memory usage (RAM and swap, if possible), temperatures/voltages/fan speeds and RAID arrays.
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#### Requirements:
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* PHP 5.3
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* pcre extension
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* Linux – /proc and /sys mounted and readable by PHP and Tested with the 2.6.x/3.x kernels
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### How to Install Linfo Server Stats UI/library in Linux
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First, create a Linfo directory in your Apache or Nginx web root directory, then clone and move repository files into `/var/www/html/linfo` using the [rsync command][3] as shown below:
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```
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$ sudo mkdir -p /var/www/html/linfo
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$ git clone git://github.com/jrgp/linfo.git
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$ sudo rsync -av linfo/ /var/www/html/linfo/
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```
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Then rename sample.config.inc.php to config.inc.php. This is the Linfo config file, you can define your own values in it:
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```
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$ sudo mv sample.config.inc.php config.inc.php
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```
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Now open the URL `http://SERVER_IP/linfo` in web browser to see the Web UI as shown in the screenshots below.
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This screenshot shows the Linfo Web UI displaying core system info, hardware components, RAM stats, network devices, drives and file system mount points.
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[][4]
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Linux Server Health Information
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You can add the line below in the config file `config.inc.php` to yield useful error messages for troubleshooting purposes:
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```
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$settings['show_errors'] = true;
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```
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### Running Linfo in Ncurses Mode
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Linfo has a simple ncurses-based interface, which rely on php’s ncurses extension.
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```
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# yum install php-pecl-ncurses [On CentOS/RHEL]
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# dnf install php-pecl-ncurses [On Fedora]
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$ sudo apt-get install php5-dev libncurses5-dev [On Debian/Ubuntu]
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```
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Now compile the php extension as follows
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```
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$ wget http://pecl.php.net/get/ncurses-1.0.2.tgz
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$ tar xzvf ncurses-1.0.2.tgz
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$ cd ncurses-1.0.2
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$ phpize # generate configure script
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$ ./configure
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$ make
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$ sudo make install
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```
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Next, if you successfully compiled and installed the php extension, run the commands below.
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```
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$ sudo echo extension=ncurses.so > /etc/php5/cli/conf.d/ncurses.ini
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```
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Verify the ncurses.
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```
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$ php -m | grep ncurses
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```
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Now run the Linfo.
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```
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$ cd /var/www/html/linfo/
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$ ./linfo-curses
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```
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[][5]
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Linux Server Information
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The following features yet to be added in Linfo:
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1. Support for more Unix operating systems (such as Hurd, IRIX, AIX, HP UX, etc)
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2. Support for less known operating systems: Haiku/BeOS
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3. Extra superfluous features/extensions
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4. Support for [htop-like][1] features in ncurses mode
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For more information, visit Linfo Github repository: [https://github.com/jrgp/linfo][6]
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That’s all! From now on, you can view a Linux system’s information from within a web browser using Linfo. Try it out and share with us your thoughts in the comments. Additionally, have you come across any similar useful tools/libraries? If yes, then give us some info about them as well.
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--------------------------------------------------------------------------------
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作者简介：
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Aaron Kili is a Linux and F.O.S.S enthusiast, an upcoming Linux SysAdmin, web developer, and currently a content creator for TecMint who loves working with computers and strongly believes in sharing knowledge.
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---------------
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via: https://www.tecmint.com/linfo-shows-linux-server-health-status-in-real-time/
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作者：[ Aaron Kili ][a]
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译者：[译者ID](https://github.com/译者ID)
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校对：[校对者ID](https://github.com/校对者ID)
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本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译，[Linux中国](https://linux.cn/) 荣誉推出
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[a]:https://www.tecmint.com/author/aaronkili/
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[1]:https://www.tecmint.com/install-htop-linux-process-monitoring-for-rhel-centos-fedora/
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[2]:https://www.tecmint.com/corefreq-linux-cpu-monitoring-tool/
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[3]:https://www.tecmint.com/rsync-local-remote-file-synchronization-commands/
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[4]:https://www.tecmint.com/wp-content/uploads/2017/05/Linux-Server-Health-Information.png
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[5]:https://www.tecmint.com/wp-content/uploads/2017/05/Linux-Server-Information.png
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[6]:https://github.com/jrgp/linfo
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[7]:https://www.tecmint.com/author/aaronkili/
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[8]:https://www.tecmint.com/10-useful-free-linux-ebooks-for-newbies-and-administrators/
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[9]:https://www.tecmint.com/free-linux-shell-scripting-books/
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