Linux kill Command principle and source code implementation

When working on Linux, you may see applications or command-line processes get stuck. Then in these cases, terminating it is the only way out. The Kill Command in Linux (located in / bin/kill) is a built-in command used to manually terminate a process. The kill command is very easy to understand and use. The Kill Command sends a signal to the p ...

Added by parkej60 on Wed, 15 Dec 2021 09:24:32 +0200

Docker from entry to mastery -- Docker Compose

Congratulations. After learning this, you should all know the basic playing methods of docker. Next, we will introduce some editing tools of docker. 1. Why Docker Compose? Official website town building: https://www.runoob.com/docker/docker-compose.html In one sentence: Help us manage containers in batches with rules. In the previous ...

Added by oldmanice on Wed, 15 Dec 2021 07:42:57 +0200

Oracle21C stand-alone installation

1, Explain This installation will use Oracle universal installer (OUI) to install Oracle database software and database 1.1 Oracle operating system requirements under Linux Oracle Linux 8.1 with the Unbreakable Enterprise Kernel 6: 5.4.17-2011.0.7.el8uek.x86_64 or later Oracle Linux 8 with the Red Hat Compatible kernel: 4.18.0-80.el8.x86_64 ...

Added by luv2sd on Wed, 15 Dec 2021 01:28:33 +0200

redis IV - high availability and cluster

1, Redis Cluster Early Redis distributed cluster deployment scheme: Client partition: the client program determines the key write allocation and the redis node to be written, but the client needs to handle the write allocation, high availability management, failover, etcProxy scheme: redis proxy is implemented based on three-party software. T ...

Added by adamjnz on Tue, 14 Dec 2021 23:58:42 +0200

Deployment warehouse

catalogue preface I YUM overview II Building CentOS 7 software warehouse III Add unofficial RPM package group in software warehouse IV Specify the YUM warehouse location for the client V Local YUM warehouse Vi YUM tool overview VII YUM common commands Summary preface Learning YUM software warehouse can complete the tasks of installi ...

Added by Mafiab0y on Tue, 14 Dec 2021 22:35:13 +0200

Error while loading shared libraries: libgd so. 2: Cannot open shared object error

This error is reported when installing and starting nginx today: error while loading shared libraries: libgd so. 2: Cannot open shared object. I checked the relevant information on the Internet and solved it. This record also allows friends who encounter this problem to solve it quickly. First, let's talk about the solution to help the friend ...

Added by purplenewt on Tue, 14 Dec 2021 21:38:22 +0200

redis does not perform vulnerability access

Vulnerability introduction and harm Redis is bound to 0.0.0 by default 0.0:6379. If relevant policies are not adopted, such as configuring firewall rules to avoid IP access from other untrusted sources, redis service will be exposed to the public network; If password authentication is not set (generally empty), any user can access Redis an ...

Added by aufkes on Tue, 14 Dec 2021 14:49:48 +0200

[build pagoda + Qinglong panel + XDD plus self provided tutorial (updated on December 14)]

Self provided and self-use tutorial. It is not written in detail. Add q group to learn more: 199901756 Self provided and self-use tutorial. It is not written in detail. Add q group to learn more: 199901756 Self provided and self-use tutorial. It is not written in detail. Add q group to learn more: 199901756 1. FinalShell connection tool Clic ...

Added by andrew6607 on Tue, 14 Dec 2021 12:29:30 +0200

Linux boot autorun / etc / RC Local and / etc / init d

** 1. /etc/rc.local ** This is the user-defined startup program. Write the program that needs to be started automatically in this script. In the last stage of linux startup, the system will execute and store it in RC Commands in local. The script is executed after the system initialization level script runs, so you can safely add the script ...

Added by cupboy on Tue, 14 Dec 2021 11:55:51 +0200

Voice social source code restart, how will the tasks being performed be handled?

1. Preface How will ongoing requests be handled during the restart of voice social source code? Will the message being consumed be lost? Will asynchronous tasks be interrupted? Since these problems exist, can't our voice social source code be restarted? However, our voice social source code is constantly restarted with the version iteration. W ...

Added by rockstarmike on Tue, 14 Dec 2021 10:59:09 +0200