Some system administrators (SA) regularly reboots the web server for better performance, it's clean and totally refreshed. But for 24/7 services, server reboots will interrupt… Read More »How to Refresh Web Servers Instead of Reboots on Enterprise Linux 6
Apache Web Server
When you were trying to use htdigest instead of htpasswd to create a password file, you might meet the error:[root@test ~]# htdigest -c /usr/local/httpd/passwords stevenCould… Read More »How to Resolve "Could not open passwd file -c for reading"
When PHP mail() sent out a message to an external mailbox, the message appeared that the return-path and sender address was email@example.com. Let's see an… Read More »How to Rewrite Return-Path and Sender Address in Postfix
After installing SSL certificate, I rebooted the system, and I knew the process which ran httpd might be wrongly started at system startup, because starting… Read More »How to Resolve "(98)Address already in use: make_sock: could not bind to address 0.0.0.0:80"
Openssl announced a vulnerability (CVE-2014-0160) in the handling of the TLS heartbeat extension on April 7th, 2014. Version 1.0.1 before 1.0.1g and 1.0.2 before 1.0.2… Read More »How to Update Openssl to a Fixed Release against HeartBleed on Enterprise Linux 6.4
After configuring SSL in httpd service, we can restart httpd.[root@w01 ~]# service httpd restartStopping httpd: … Read More »How to Remove Pass Phrase From Private Key
Before you create a self-signed certificate, you should install mod_ssl for Apache httpd server first.[root@test ~]# yum install mod_sslLoaded plugins: fastestmirror, refresh-packagekit, securityLoading mirror speeds… Read More »How to Create Self-Signed Certificate by Openssl on CentOS 6.4