operations management schroeder

->log); if (p == NULL) { return NULL; } large = ngx_palloc(pool, sizeof(ngx_pool_large_t)); if (large == NULL) { ngx_free(p); return NULL; } large->alloc = p; large->next = pool->large; pool->large = large; return p;}Note that this function is applied for large memory. 2.6 ngx_clean_add This function is used to add a memory block and hander function to cleanup. However, this handler must be set by ourselves because the initial value is empty. ngx_p

端网卡配置信息salt mbb_208‘ network.interfaces获取被控端的ip地址配置信息salt ‘mbb_208‘ network.ip_addrs获取被控的子网信息salt ‘mbb_208‘ network.subnets3. API callclient.cmd(‘mbb_208‘,‘network.interfaces‘)PKG Module1, Function: Controlled host program management, such as: Yum,apt-get安装phpsalt ‘mbb_208’ pkg.install php卸载phpsalt ‘mbb_208’ pkg.remove php升级phpsalt ‘mbb_208’ pkg.upgrade php2. API callclient.cmd(‘mbb_208’,’pkg.install’,[‘php’])Service Module1, Function: Managed host P

As we have described in the new Ubuntu 16.04 feature, Ubuntu's package management commands have changed with the release of Ubuntu 16.04 LTS, and the new system incorporates the APT (advanced packages) used in the Debian project To accomplish a variety of different tasks, the ATP command completely replaces the Apt-get, Apt-cache, and other features we've previously introduced in basic operations for Linux

Again, the purpose of this series of articles is to strengthen operational management capabilities, i.e. not deployment or general configuration, which requires some basic theoretical knowledge. If you have friends who need to understand the deployment of exchange or basic operations, you can refer to other resources, or see my previous Exchange series articles.This article will learn about the storage prin

format to the UNIX formatVim redis_init_script : Set ff: view the current text formatFileformat = dos : Set ff = set the current text format for unix: Wq After redis is installed, it also runs. Then, we need to popularize the basic knowledge of the redis database. What we should know most about the data format and Data Type of redis data for data-sensitive penetration users Iv. Basic data types and data naming featuresRedis stores data in the form of key-value. The key is the name of the data,

Php implements mysql database connection operations and user management, and mysql database connection. Php implements mysql database connection operations and user management, and a list of mysql database connection files .. File content .. Dbconn. phpuserListt. phpeditUser. phpeditDo. phpdetailUser. phpdelet php impl

command You can write your own extension 2.dockerIs it a hassle to build a new set of environments every time? What if there are two different programs that depend on different versions of the same environment? Specify an absolute path in the program? Do soft links?Docker helps you solve this problem, the image is packaged and then pushed to register after the pull down on the corresponding machine, put the code, done.Seven, log collection1. ELKUsually we may need to analyze some logs,

# C + +: Memory management specification for address delivery and assignment operations #In order to ensure that the class instance can determine and effectively clear its own created memory consumption, while ensuring a low memory footprint, you should make the data inside the class as far as possible with reference delivery, for the externally passed-in object itself can use reference delivery, for extern

User Rights Management methods for Oracle SQL basic operationsRecently put things about user operations and Rights management, although a lot of blogs have a similar collation, but they found their content is more or less a bit wrong. So, I personally on each statement to verify, and to do their own explanation and analysis, writing this blog.Or there are still e

I would like to thank the author for his hard work and many statements frequently used in database operations and database management. I would like to thank the author for his hard work and many statements frequently used in database operations and database management. /*-- Organizer: Eternal de shadow-- Sorting tim

This article explains the implementation of PHP file management and basic functions through the instance code, which is very good and has reference value, for more information about php file management and basic functions, see this article. Basic file operations First, let's take a look at the basic operations of the

successfully telnet to the Linux server to check if the upload was successful.With these operations, the batch management of Linux servers becomes very simple and provides the conditions for subsequent automated operations. Can be automated release, automated System information collection, alarm log collection, application log scanning and so on, and then call t

Microsoft Operations Management Suite is a Microsoft IT management solution that integrates cloud-based log analytics, automation, backup recovery and security compliance. In addition to supporting Microsoft Azure and Windows, support is available for Linux, AWS, VMware, and OpenStack.According to this, OMS is composed primarily of the OMS portal, workspaces, rep

shell command remotely.Example:ansible 192.168.1.1 -m command -a “free -m”ansible 192.168.1.1 -m script -a “/root/mbb.sh” #被控端执行主动的脚本ansible 192.168.1.1 -m shell -a “/root/mbb.sh” #被控端执行被控端的脚本2. Copy module (equivalent to SCP)Function: Host side to the controlled side copy filesExample:ansible 192.168.1.1 –m copy –a “src=/root/mbb.txt dest=/root/” #把mbb.txt拷贝到被控端的root目录下3. Stat Modulefunction: Get status information for remote filesExample:ansible 192.168.1.1 –m stat –a “path=/root/reboot.bak”4

Summary of basic table space management operations in Oracle databases, tables in oracle DB storage hierarchy (I drew a sketch and I will take a look at it... XD) Manage tablespaces -System: required to store data dictionary information. It is the first database to be created. -New and required 10 Gb sysaux, which helps to share system load, system management, o

administration roles (data management roles that each database contains)Dbadmin the ability to complete administrative tasks, such as schema-related tasks, indexes, and statistical information collection. cannot be used to manage users and rolesDbowner all the permissions required to manage the database. Contains (permissions for ReadWrite, Dbadmin, useradmin roles)Useradmin Create and Modify permissions for roles and users in the current database C

the ha.cf fileMcast eth1 225.0.0.129 694 1 0Change 255.0.0.130 to 255.0.0.129Above is the way of multicasting, if you need to modify the following in the broadcast way.Ucast eth1 10.0.10.4Modify the Ucast eth1 10.0.10.4 to Ucast eth1 10.0.10.54. Start the Heartbeat serviceStart the primary node after starting the slave node[[emailprotected] ~]# /etc/init.d/heartbeat startStarting High-Availability services: INFO: Resource is stoppedDone.5. Test Heartbeat ServiceThe primary node stops the heart

, you can view the current traffic and bandwidth usage here. Paused domain: bind the domain name to open the same website content MySql database: check the activated database for repair and check. MySql database wizard: Step-by-step activation of MySql databases PhpMy management: Go to The phpMyAdmin interface Remote MySQL: allows a remote IP address to remotely connect to the database. PHP configuration: view the settings of the php. ini file. Mime t

the absence of any parameters, the query is the user name of the current operation user, UID, GID and the main user group and the attached user group, in this case, the username is Beinan,uid is 500, the main user group belongs to Beinan,gid is 500;Example two: ID followed by user name;If we want to query the system User UID and GID corresponding content, you can directly connect to the user name, but the user name must be real, can be found in the/etc/passwd;Java code [Beinan@localhos

that have been stopped, so you need to stop the service before deleting it."'Service_win32_own_process indicates that the service type is a service with a separate process for the Win32 type Service_error_normal indicates that the error code returned by the service program is the system default error code# # Delete ServiceThe function used by the Delete service is DeleteService, which is primarily passed to the handle of the service, which is returned by the function OpenService. It is also imp