Cloud Applications

Article Title: how to fix linux ROOT Password loss. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. When the

1. temporarily modify the host name display host name: spark @ master :~ $ Hostnamemaster modify host name: spark @ master :~ $ Sudohostnamehadoopspark @ master :~ $ HostnamehadoopPS: The above changes are only temporary changes, and the changes are

Article title: Linux network setup tips: how to implement multi-Nic bonding. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems,

Article Title: three security vulnerabilities have been detected in LinuxKernel. Linux is a technology channel of the IT lab in China. Security organization SecurityFocus, a security organization that includes desktop applications, Linux system

Because the project needs to add processing for webp format images, and webp format images must be php5.5 or later versions, you have to upgrade the server's php. The upgrade is not required, but there will be new features and new features after the

To learn how to install apache, you need to enable port 80. since firewalld is used by default in centos7 and later versions, the iptables setting method on the Internet is no longer used. I think iptable will not be used anyway, simply move to the

Centos restart command: 1, reboot2, shutdown-rnow immediately restart (root user use) 3, shutdown-r10 after 10 minutes automatic restart (root user use) 4, shutdown-r20: 35 restart Centos restart command: 1. reboot 2. shutdown-r now restarts

Article Title: how to set the session duration in apache. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. In

Xfs is the default file system type of CentOS7.0. different file system types have different creation, check, and adjustment commands. Adjust the Xfs partition size (can only increase): lvextend-L120G/dev/mapper/centos-root # increase to

First, ensure the time synchronization between the two machines and configure ssh. Method 1 install yum source: the default installation path of yum is/etc/drbd. d/# rpm -- importhttp: // Others First, ensure the time synchronization between the two

# Centos6.6final install xtrabackup2.2.12 note # (1) Download xtrabackupwgethttps: // response. # Centos 6.6 final installation xtrabackup 2.2.12 note # (1) Download xtrabackup Wget https://www.percona.com/downloads/XtraBackup/Percona-XtraBackup-2.2.

Servers with good security protection still need to be checked regularly. The following are some simple methods to determine whether the server is intruded: 1. view the logon log/var/log/secure, check whether some abnormal login information exists.

Abstract: two methods are available for KVM virtual machine network configuration: NAT and Bridge. The configuration principles and steps of Bridge. The Bridge mode is applicable to the virtualization of server hosts. Question? After the client is

DigitalOcean has been used for a long time. a process was killed when PHP was compiled a few days ago. After I spoke with others, I found that the memory was exhausted. In fact, it was because the MySQL process at that time consumed a lot of memory,

Article title: analysis of the development trend of the operating system in the next five to ten years. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel

Article title: R-Proxy-set up using Apache. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. Duncan Lo

Article title: The Vista system will surely show the limelight if it is better than Linux. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research,

These two days just good to do PHP-FPM memory optimization, in the view of PHP-FPM memory usage found locale-archive memory 96 M, the file is language, environment, font-related index files, because many languages are useless, they are deleted to

1. install libmemcached Library yuminstalllibmemcached2. download and decompress the memcache file wgethttp: // pecl.php.net/get/memcache-3.0.8.tgzta 1. install the libmemcached Library Yum install libmemcached 2. download and decompress the

Article title: VMware may infringe the Linux copyright. Linux is a technology channel of the IT lab in China. Some basic categories including desktop applications, Linux system management, kernel research, embedded systems and open source such as