Precautions for wechat domain name sealing
We often encounter our own regular website links, which are intercepted by wechat for no reason. Everyone is worried abo...
Centos7 builds frp intranet penetration server
brief introduction The purpose of NAT penetration is to enable packets with a specific source IP address and source port...
Set up frp intranet penetration server
brief introduction The purpose of NAT penetration is to enable packets with a specific source IP address and source port...
Share sicsi by device
iSCSI technology is a kind of SCSI instruction set developed by IBM company, which can run on the upper layer of IP prot...
Chronyd synchronization time (Server/Client) configuration
The chronyd time server, like the previous NTP function, provides time.
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Centos7 MySQL installation master-slave replication configuration
Installation Dependency yum search libaio # Retrieving related information yum install libaio # Install Dependent Packag...
How to Build Rtmp Service and Develop Live APP with uni-app
Preface:
Because you have an IM application, ...
Spring Security has its own firewall!You don't know how secure your system is!
Previously, a small partner said that it would be better to write a Filter intercept request for Spring Security, which ...
Record the installation steps of Docker MySQL for the local virtual machine
After the local virtual machine installs the Docker environment, execute the
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kubernetes load balancing deployment
(next to the previous article, kubernetes multi node deployment) k8s deployment planning (load balancing deployment):
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Experience the actual battle of iptables enterprise firewall
iptables optimization case
[root@ghzz ~]# vi /root/shell/...
Centos7 uses Yum source to install mongodb version 4.2 database
Centos7 uses Yum source to install mongodb version 4.2 database 1. Modify the support of yum installation source for mongodb Official documents avail...
[drain pit] Ftp normally connects to the server but cannot get the file
Some codes in ftp tool class ftp util are as follows: import org.apache.commons.net.ftp.*; public class FtpUtil { private static Logger log = Logger.g...
Mysql- high availability cluster [master-slave single mode -binlog]
Operation process: Install mysql service respectively in master and slave nodes Set common mysql configurations in master and slave nodes1. Add admin...
zabbix monitoring mysql survival and performance
The Zabbix environment has been deployed:Zabbix_aget: installed in / etc/zabbix1. Open port 10050 firewall-cmd --zone=public --add-port=10050/tcp --p...
Firewalld firewall advanced configuration - (real world chapter!!)
Experimental topology Experimental requirement 1. Intranet users of the company need to share the Internet through the gateway server2. Internet user...
The usage of vrrp_script, track_script and notify in keepalived
A script defined in the keepalived.conf file can be used to implement a detection function.Example: Check if the down file in the / etc/keepalived dir...