This is the release notes for linux release v2.0 (source code: linux-2.0.tar.gz) with format adjusted by removing/replacing tabs/spaces/new lines/formatting marks. This notes document can give us an understanding of the early development of the Linux kernel. The original ASCII formatted version is at the end of this post. Intro This document contains a list of…
Hyperledger Fabric is a consortium blockchain system. It’s performance is relatively good and its modular architecture enables it to be usable in many scenarios. Hyperledger Fabric itself has rich documents and samples of test networks. For beginners, deploying a new network for trying and testing still consumes quite some time. In this post, we will…
Just migrated a PHP site to a new server. However, in /var/log/httpd/error_log, there are errors like [:error] [pid 2810] [client 61.92.242.24:43372] PHP Fatal error: Class ‘DOMDocument’ not found in /var/www/…/some.php on line 16 How to add PHP DOMDocument extension to httpd in CentOS 7? You need to install the package php-xml to have DOMCoument support…
Some of my pages has XML tags like ‘<?xml ?>’ which are considered by PHP as short open tags ‘<? ?>’. How to disable PHP short open tags? In PHP, to disable the short open tags, you can set the variable short_open_tags = FALSE; in your php.ini. Reference: short_open_tags in php.ini
I have a website. But I would like use the www.example.com instead of example.com. How to redirect non-www domain to www domain on my server? I am using apache2 (httpd). You can add a piece of code into the top .htaccess in your site: Specific method: redirect example.com domain to www.example.com domain RewriteEngine On RewriteBase…
How to allow websites to use .htaccess files in Apache2 web servers? The AllowOverride directive controls this: http://httpd.apache.org/docs/current/mod/core.html#allowoverride To allow AllowOverride in a directory, add the following rules to the /etc/httpd/conf/httpd.conf or similar configuration file for your apache installation: <Directory “/var/www/www.example.com”> Options FollowSymLinks # # AllowOverride controls what directives may be placed in .htaccess files….
I have a Linux web server with Apache (httpd). How to host multiple websites on Apache? To host websites www.example1.com and www.example2.com on a single node with Apache2 on a single IP, you can use VirtualHost as follows. Edit /etc/httpd/conf/httpd.conf and add the following lines: NameVirtualHost *:80 <VirtualHost *:80> DocumentRoot /var/www/example1.com ServerName www.example1.com # Other…
How to add header footer in directory listing in Apache (httpd)? In the web directory’s .htaccess file: Options +Indexes IndexOptions FancyIndexing VersionSort NameWidth=* HTMLTable Charset=UTF-8 HeaderName /header.html ReadmeName /footer.html IndexIgnore header.html footer.html .htaccess header.html and footer.html are under the website root directory (not the Linux root).
I see this message in the error log of httpd: PHP Fatal error: Maximum execution time of 30 seconds exceeded in and PHP Fatal error: Allowed memory size of 268435456 bytes exhausted How to change them to a longer and larger value? To change the allowed maximum memory usage of PHP: Set memory_limit = 256M…
How to install the latest WordPress on a newly installed Fedora 19? Thanks! First, install the LAMP (you already have ‘L’) stack: # yum install httpd php php-mysql mysql-server php-gd and start these services: # systemctl start mysqld.service httpd.service Then, install WordPress on the LAMP stack following the tutorials on the Web. Two good ones…
How to install php on Apache on Fedora? The basic support (basic PHP support, no caching, etc.) should be enough. First, install Apache2 (httpd): # yum install httpd Then, enable php support: # yum install php Remember to restart httpd after you install php: # service httpd restart