Sometimes, the Linux server running Nginx, php-cgi (PHP-FPM) Web services, suddenly the system load up, use the top command to view, many php-cgi process CPU utilization is close to 100%. Later, I tracked the discovery that this kind of situation is
ThinkPHP custom error page and prompt page instance, thinkphp instance. ThinkPHP custom error page and prompt page instance. thinkphp instance this article describes how to customize the error page and prompt page in ThinkPHP. Share it with you for
If you need to manually enable a lot of services after the server is restarted, the work and future maintenance are relatively cumbersome, we have summarized the knowledge and methods involved in the linux automatic startup script, as follows: 1.
To start multiple mysqld-HOWTO to start multiple mysqld services, it is completely feasible to use different pid-file, datadir, socket, and port at startup.
Steps:
1. prepare the Directory
Mkdir/mysql1
Chown mysql: mysql/mysql1
Chmod 755
Yesterday, a program needs to export 500 pieces of data. as a result, 150 pieces of data are found. Nginx reports a 504GatewayTimeout error, in the past, the execution time set in PHP-Fcgi is different from that in isapi. Generally, the PHP script
Phase 1-compilation and installation: 1. Download postgresql-9.1.3.tar.bz2 from postgresqlofficial network. I think everyone knows 2. Copy the source code to usrsrcpostgres.
Phase 1-compilation and installation: 1. Download postgresql-9.1.3.tar.bz2
Tomcat needs to work with the Java environment, so we need to install Java first (I'm using the java1.7.0 version here)First, preparation: Download java1.7.0 compressed PackageHttp://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-213
PHP Config file parameter max_execution_time indicates script execution time-outMax_execution_time=0 means no LimitMax_execution_time=2 indicates that execution terminates after two seconds and error Fatal error: Maximum execution time of 2 seconds
Environment Preparation:
Host Name
Role
IP Address
my linux1.contoso.com
haproxy server eth0:192.168.100.121 eth1 : 172.16.100.121
Mylinux3.contoso.com
Web server 1
eth0:1
The following is the UWSGI version of more than 2.0, Uwsgi start can be loaded into the command line parameters, can also be a profile .ini, .xml, .yaml configuration file, the personal use of more than a .ini file. The following summarizes their
Preparing the hardware environmentThree computers, three computers, are Linux and are installed in Java. The IP addresses and roles are:namenode:192.168.0.1datanode:192.168.0.2datanode:192.168.0.3Three computers can parse each other correctly.
Problems with the original Hadoop MapReduce frameworkThe MapReduce framework diagram of the original HadoopThe process and design ideas of the original MapReduce program can be clearly seen:
First the user program (Jobclient) submits a
Later, I tracked the discovery that this kind of situation is closely related to PHP's file_get_contents () function.
In large and medium-sized Web sites, API interface calls based on the HTTP protocol are commonplace. PHP programmers like to use
Original: http://www.liuhaihua.cn/archives/355.htmlUpgrading OpenFire is almost as simple as installing openfire from the beginning. As part of the upgrade process, it is strongly recommended that you back up the current installation and database
Sometimes, the Linux server running Nginx, php-cgi (PHP-FPM) Web services, suddenly the system load up, use the top command to view, many php-cgi process CPU utilization is close to 100%. Later, I tracked the discovery that this kind of situation is
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.