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Tomcat tuning First, open Tomcat / conf / server XML file, search Executor name = "tomcatThreadPool", open and adjust to: <Executor name="tomcatThreadPool" namePrefix="catalina-exec-" maxThreads="500" minSpareThreads="20" maxSpareThreads="50" maxIdleTime="60000"/> Then, modify the < connector... > node, add the executo ...

Official address: https://rocketmq.apache.org/ Installation package download address: https://archive.apache.org/dist/rocketmq/ 1, Introduction to rocketmq RcoketMQ is a message oriented middleware with low latency, high reliability, scalability and ease of use. It has the following characteristics: Support publish / subscribe (Pub/Sub) a ...

Problems encountered: Mysql version mysql Ver 8.0.28-0ubuntu0.20.04.3 for Linux on x86_64 ((Ubuntu)) The following are the errors that I will report after uninstalling and installing mysql several times. No matter how to change the configuration file according to the online tutorial, I will eventually report that the local link is rejected. My ...

CL236 configuring IP failover – CTDB This section describes how to configure IP failover. This chapter studies CTDB, mainly to solve the problem of high availability of NFS and Samba. RHCA column address: https://blog.csdn.net/qq_41765918/category_11532281.html High availability cluster NAS (this section is extracted from Pro ...

*How to transfer files from Mac to virtual machine: Connect the host as follows: Transfer file: scp file location and file name root@IP Address: the location where files need to be stored 1. Configure NAT network Note: change the network adapter of vm to NAT mode edit /etc/sysconfig/network-scripts/ifcfg-ens33 file Modified as BOOTPR ...

Detect and remove XSS (cross site scripting) attacks from text entered through normalization. Cross site scripting (XSS) attacks are a form of threat that exploits vulnerabilities in Web applications to plunder user information. Using malicious scripts, attackers can attract different users through normally trusted Web pages and access any inf ...

[quick reference manual of Linux common commands] pay attention to [entry station], and the background replies to "1001" for self access.The netstat command is used to display statistics related to IP, TCP, UDP and ICMP protocols. It is generally used to check the network connection of each port of the machine. Netstat is a program th ...

[quick reference manual of Linux common commands] pay attention to [entry station], and the background replies to "1001" for self access. The netstat command is used to display statistics related to IP, TCP, UDP and ICMP protocols. It is generally used to check the network connection of each port of the machine. Netstat is a pro ...

View and read permissions I Permission view ls -l file view file permissions ls -ld dir view directory permissions II Understanding permissions File permission information Directory permission information $: explanation for each digit [1] File type -Ordinary file d catalogue l Soft connection b Fast equipment c Character device s sock ...

1. Mount the CD mkdir /mnt/cdrom mount /dev/cdrom /mnt/cdrom vim /etc/fstab /dev/cdrom /mnt/cdrom iso9660 defaults 0 0 2. Create yum source [root@centos7-1 xwk]# yum-config-manager --add-repo=file:///mnt/cdrom Plug in loaded: fastestmirror, langpacks adding repo from: file:///mnt/cdrom Cannot add repo from file:///m ...