Error handling is one of the important parts when running a server. The application running inside the server provides the necessary services to the client but it is the responsibility of the server to serve custom pages for errors. In this article we will see how we can configure custom error page 404 for Apache […]
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CentOS compile and install httpd-2.4 and 2.4 versions of the 6.5 features introduced httpd-2.4’s new features: 1) MPM is loaded at run-time support; –enalbe All-mpm-shared –with-mpm = prefork = {| worker | Event} 2) Support Event mpm 3) asynchronous read and write 4) in each module and each directory separately use a different log levels […] .htaccess or mod_rewrite encyclopedia collected here are a variety of practical .htaccess snippets, you can think of the use of almost all here. Disclaimer : Although these snippets directly copied to your .htaccess file, the vast majority of cases are easy to use, but there are very few cases where you need to modify some […] If Apache fails, and will not successfully start again, check the error log. If you see an error similar to the following, it could indicate that your server has run out of semaphores. semget: No space left on device To see how many semaphores are being used, SSH to your server as root and run […] yum install mariadb mariadb-server mysql INSTALL MARIA DB MariaDB is the default database server in CentOS 7, so go ahead and install it with yum using the following command: ## yum install mariadb mariadb-server mysql Once installed, add bind-address = 127.0.0.1 to /etc/my.cnf.d/server.cnf to bind MariaDB to localhost only: ## vim /etc/my.cnf.d/server.cnf [mysqld] #log-bin=mysql-bin #binlog_format=mixed […] [Sun May 26 12:23:42.649103 2013] [mpm_winnt:notice] [pid 1356:tid 352] AH00424: Parent: Received restart signal — Restarting the server. [Sun May 26 12:23:43.616304 2013] [mpm_winnt:notice] [pid 1356:tid 352] AH00455: Apache/2.4.4 (Win64) OpenSSL/1.0.1e PHP/5.4.14 configured — resuming normal operations [Sun May 26 12:23:43.616304 2013] [mpm_winnt:notice] [pid 1356:tid 352] AH00456: Server built: Feb 22 2013 22:08:37 [Sun May […] As far as web server performance is concerned, there are many different factors at play, e.g., application design, network latency/bandwidth, web server configuration, caching, hardware capability, server load, etc. To compare and optimize web server performance under such a wide array of factors, we often perform load test (or stress test) using a web server […] Included in the HTTP server response data for each request is a code number indicating the result of the request. These result codes are three-digit numbers divided into categories as follows: 100-199 : Informational status 200-299 : Success status 300-399 : Redirection status 400-499 : Client errors 500-599 : Server errors Informational 100 – Continue […] POODLE = Padding Oracle On Downgraded Legacy Encryption B.E.A.S.T (Browser Exploit Against SSL TLS) Affected systems: Netscape 3.0 ssl tls Netscape affected system: tls Netscape 1.2 Netscape 1.1 tls tls Netscape 1.0 Description: CVE (CAN) ID: CVE-2014-3566 SSL3.0 is obsolete and no security protocol, has been TLS 1.0, TLS 1.1, TLS 1.2 substitution, for compatibility […] IBM HTTP Server Performance Tuning IBM HTTP Server Performance Tuning 1. Determining maximum simultaneous connections 1.1. TCP connection states and thread/process requirements 1.2. Handling enough simultaneous connections with IBM HTTP Server on Windows / ThreadsPerChild setting 1.3. Handling enough simultaneous connections with IBM HTTP Server 2.0 and above on Linux and Unix systems 1.4. Handling […] |
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