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- How to use Redis database in Go language
- With the advent of the big data era, the size and complexity of data continue to increase, and the needs of databases have become very important. At this time, Redis, as a high-performance NoSQL database, is attracting more and more attention. This article will introduce how to use the Redis database in the Go language. 1. Introduction to Redis Redis is a NoSQL database based on key-value pair storage. It supports a variety of data structures, such as strings, lists, sets, ordered sets, and hash tables. Redis has high performance and high availability
- Golang . debian 1855 2023-06-03 09:02:22
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- What is the relationship between Red Hat and linux?
- Red Hat is one of the Linux distributions; there are hundreds of different Linux distributions, such as Debian and Archlinux based on community development and Red Hat Enterprise Linux, SUSE, Oracle Linux, etc. based on commercial development. What is the relationship between Red Hat and Linux? Linux is a kernel. Through this kernel plus some drivers, software and other things, a Linux distribution can be made. Red Hat is one of the linux distributions. Other Linux distributions include Ubuntu, openSUSE, ArchLinux, etc. Introduction to Red Hat: Red Hat is an open source software, product and provider of global
- Linux Operation and Maintenance . debian 2401 2023-06-02 20:51:20
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- What is the function of linux rpc.statd
- In Linux, rpc.statd is a process that implements the Network Status Monitoring (NSM) RPC protocol to notify the NFS client when an NFS server restarts abnormally. The syntax is "/sbin/rpc.statd[-F][- d][-?][-nname][-oport][-pport][-V]". The rpc.statd process is automatically started by the nfslock service and does not require user configuration. The following RPC background process is rpc.mountd that serves NFS: this process accepts mount requests from NFS clients and verifies that the requested file system is being exported. This process is automatically started by the NFS service and does not need to be used
- Linux Operation and Maintenance . debian 1836 2023-06-01 20:37:37
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- What are the types of linux user groups?
- There are two types of Linux user groups: 1. Basic group (private group); when creating an account, if the group to which the account belongs is not specified, the system will create a group with the same name as the user, and this group is the basic group. 2. Additional groups (public groups) can accommodate multiple users, and users in the group have the rights owned by the group. Classification of Linux users and groups 1. Users under Linux can be divided into three types of super users - the user name is root, which has all permissions and can only be used for system maintenance (for example: creating users, etc.) or other necessary circumstances. User login to avoid security issues in the system. System user (pseudo user) - is a user necessary for the normal operation of the Linux system. Mainly to satisfy the corresponding system process's request for file owner
- Linux Operation and Maintenance . debian 3244 2023-06-01 18:29:53
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- How to use PHP's APC extension?
- PHP is a widely used server-side scripting language. The language is easy to learn, quick to develop, and can support a variety of databases, which makes PHP an excellent web programming language. At the same time, PHP also has many extensions, among which the APC extension can significantly improve the performance of PHP. This article will introduce how to use the APC extension to optimize the operating efficiency of PHP. 1. What is the APC extension? APC (AlternativePHPCache) is a caching tool used to store PHP scripts.
- PHP Tutorial . debian 1515 2023-05-31 18:52:01
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- How to implement dual-machine hot backup with Nginx+Keepalived
- 1. keepalivedKeepalived is a service software that ensures high availability of the cluster. The node with high priority in the network is the master, which is responsible for responding to the VIP's arp package, telling other hosts in the network the mapping relationship between VIP and mac address, and also sending messages to the network in the form of multicast. Send a vrrp notification to inform you of your priority. The backup node is only responsible for processing multicast packets sent by the master. When it finds that the master's priority is not as high as its own, or it does not receive the vrrp notification from the master, the backup node will switch itself to the master state. 2. Environment setup environment: qemu-kvm, client debian (9.4.0) virtual machine qemu-kvm
- Nginx . debian 999 2023-05-29 20:29:35
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- Is linux more stable than windows?
- Yes. Reasons: 1. When Win automatically updates the system, it will only upgrade components officially provided by Microsoft, while the Linux automatic update system will upgrade all software in the system (including third-party applications) at the same time; 2. Linux is a multi-user operation System, the underlying system files will always be protected; 3. Modular design, unsafe components can be removed; 4. There are good "zero-day attack" defense tools; 5. Open source code architecture, nothing is hidden Repair measures; 6. Diversified system environment. The open source nature of Linux allows us to have a certain degree of control over its stability (based on capabilities) because the behavior is predictable and manageable. As Windows is closed source, there are many uncontrollable factors and unpredictable behaviors. Other
- Linux Operation and Maintenance . debian 1223 2023-05-29 09:36:09
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- Example analysis of Redis vulnerability exploitation
- 1. Introduction Redis-related vulnerabilities have existed for a long time, and there are still scenarios that can be exploited. This time, we will summarize and reproduce the redis-related vulnerability exploits so that we can quickly establish exploitation ideas when encountering them in the future. 2. Introduction to redis Redis is a key-value storage system. Similar to Memcached, it supports relatively more stored value types, including string (string), list (linked list), set (**), zset (sortedset--ordered **) and hash (hash type). Redis largely compensates for the shortcomings of key/value storage such as memcached. In some cases, it can play a role in relational databases.
- Redis . debian 1751 2023-05-28 20:08:19
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- One-click installation tutorial for php on linux
- In server environments using Linux systems, applications written in PHP are widely used. Before installing PHP, you must install a web server, such as Apache, because the web server is the running environment of PHP. Below is a tutorial on installing PHP in a Linux environment with one click. Step 1: Install the Linux system. If the Linux system is not installed on the server, you need to install the Linux system first. In Linux systems, there are multiple distributions, such as Ubuntu, CentOS, Debia
- PHP Problem . debian 915 2023-05-28 16:47:41
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- How to install and configure Nginx on Ubuntu
- Ubuntu install nginxcd from the official source~wgethttp://nginx.org/keys/nginx_signing.keysudoapt-keyaddnginx_signing.keysudonano/etc/apt/sources.list#Add the following two sentences debhttp://nginx.org/packages/ubuntu/precisenginxdeb -srchttp://nginx.org/packages/ubuntu/precisenginxsudoapt-getupdatesud
- Nginx . debian 2091 2023-05-27 22:52:09
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- How to start nodejs on the server
- Starting Node.js on the server allows us to deploy Node.js applications in Linux or Unix systems to provide services to users. Configuring the Node.js server requires us to master basic Linux commands and Node.js programming knowledge. The following are the steps to start Node.js on the server: 1. Install the Node.js environment In Linux or Unix systems, we need to use Bash Shell or terminal to execute commands. Enter the following command at the command line: ```sudo
- Front-end Q&A . debian 2023 2023-05-27 22:36:09
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- How to install redis server in debian
- To install Redis on Ubuntu system, use the source to install Redis. Use the following command: apt-getupdateapt-getinstallredis-server to start Redis. Redis-server checks whether redis starts redis-cli. The above command will open the following terminal: redis127.0.0.1:6379>127.0.0.1 is the current terminal. Machine IP, 6379 is the redis service port. Now we enter the PING command. redis127.0.0.1:6379>pingPONG The above shows that we have successfully installed redis. Install from source on Ubuntu system
- Redis . debian 1048 2023-05-27 16:31:06
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- How to install redis server under debian
- To install Redis on Ubuntu system, use the source to install Redis. Use the following command: apt-getupdateapt-getinstallredis-server to start Redis. Redis-server checks whether redis starts redis-cli. The above command will open the following terminal: redis127.0.0.1:6379>127.0.0.1 is the current terminal. Machine IP, 6379 is the redis service port. Now we enter the PING command. redis127.0.0.1:6379>pingPONG The above shows that we have successfully installed redis.
- Redis . debian 1397 2023-05-26 20:42:00
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- Can I use a USB flash drive to install linux?
- Yes, for example, veketlinux is a portable Linux operating system that can be installed on a USB flash drive. How to install LINUX with a USB flash drive: 1. You must have a Linux or FreeBSD system at hand, any system that can use the zcat command is acceptable; 2. Go to the corresponding Linux release version to download a startup img and write it to the USB flash drive; 3. Insert the U disk into the existing Linux system and execute the "zcatboot.img.gz" command to write the image to the U disk; 4. Use the U disk to start and install the system. You can use a USB flash drive to install Linux, such as veketlinux. veketlinux is a portable Linux operating system that can be installed on a USB flash drive. veketl
- Linux Operation and Maintenance . debian 1867 2023-05-26 16:13:28
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- How to configure user permissions for nginx, php-fpm and mysql
- Usually, the servers we run web applications include Linux distributions such as CentOS, Ubuntu, Debian, etc. At this time, the permission control of Nginx, PHP, MySQL and other applications necessary to form the service architecture is very important. Each service has different permission requirements for the code directory. The lack of certain permissions will cause the service to be unable to read, write or run. , which lowers the permission requirements and creates the risk of intrusion and modification. 1. Web server Nginx permissions. The running framework of PHP is usually combined with Nginx to form LNMP or combined with Apache to form LAMP architecture. Here, Nginx is used as an example to describe the permissions required to run the Nginx service.
- Nginx . debian 1455 2023-05-24 20:01:26
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