samba Shared Storage Service

Samba is a free software that implements the SMB protocol on Linux and UNIX systems and consists of server and client programs.SMB (Server Messages Block) is a communication protocol for sharing files and printers on a local area network. It provides file and printer sharing services between different computers in th ...

Posted by rlalande on Mon, 06 Jul 2020 09:15:32 -0700

Centos7 deploys squid proxy and cache server

brief introduction Squid is a high performance proxy cache server that supports FTP, gopher, HTTPS, and HTTP protocols.Unlike general proxy caching software, Squid handles all client requests in a separate, non-modular, I/O-driven processAgent modeForward proxy allows users to use squid proxy server to access the internet. It also enables simi ...

Posted by son.of.the.morning on Mon, 29 Jun 2020 12:31:27 -0700

rockermq cluster building

**rockermq cluster building Cluster workflow Start NameServer, listen to the port after NameServer gets up, wait for Broker, Producer and Consumer to connect, which is equivalent to a routing control center. Broker starts, maintains a long connection with all nameservers, and sends heartbeat packets re ...

Posted by vidago on Tue, 16 Jun 2020 23:49:56 -0700

Istio police agent & envoy start process

Opening Through the previous article Istio Sidecar injection principle It can be found that the Sidecar application has been injected at the same time when the application is submitted to the kubernate deployment. If you are careful, you can also find that in addition to the application of istio proxy, there is also an Init Containers of istio ...

Posted by nediaz on Wed, 27 May 2020 05:10:20 -0700

Istio Sidecar injection principle

concept In short, Sidecar injection adds the configuration of additional containers to the Pod template. This refers to the Pod in which the Envoy container is applied. Currently, the containers required by Istio service grid are: Istio init is used to set iptables rules so that inbound / outbound traffic passes through the Sidecar agent. Initi ...

Posted by asparagus on Mon, 25 May 2020 05:12:54 -0700

3-7. iptables (firewall) & selinux

I. iptables 1) Check the status of the firewall The firewall service name in centos7 is firewalld, no longer iptables [root@localhost ~]# systemctl status firewalld firewalld.service - firewalld - dynamic firewall daemon Loaded: loaded (/usr/lib/systemd/system/firewalld.service; enabled) Active: active (running) since One 2017-12 ...

Posted by Adam W on Sun, 10 May 2020 09:00:35 -0700

Nginx installation of Alibaba cloud server Centos7.0

Alibaba cloud server, operating system CentOS 7.0, installs nginx. 1. First, set alicloud's security group settings and open the 80 port limit: Open Alibaba cloud official website > console > ECS > Security Group > security group rules: Select any rule column, click "clone", select "HTTP(80)" for "protoco ...

Posted by mike760534211 on Mon, 04 May 2020 17:06:24 -0700

iptables persistence under CentOS

iptables rule persistence Set firewall rules iptables -A INPUT -s 1.1.1.1/32 -p tcp -m tcp --dport 22 -j DROP iptables -A INPUT -s 2.2.2.2/32 -p tcp -m tcp --dport 22 -j DROP iptables -A INPUT -s 3.3.3.3/32 -p tcp -m tcp --dport 22 -j DROP iptables -A INPUT -s 4.4.4.4/32 -p tcp -m tcp --dport 22 -j DROP Save firewall rules service iptabl ...

Posted by TechGuru on Sun, 03 May 2020 22:15:49 -0700

Redis installation + Remote Access + power on and self start under centos

1, Install redis 1. Download redis installation package Go to the official website http://redis.io , you can also use the wget command cd /usr/local/soft/ wget http://download.redis.io/releases/redis-4.0.6.tar.gz 2. Unzip tar xzf redis-4.0.6.tar.gz 3. Compile and install cd redis-4.0.6 make 2, Remote access ...

Posted by jonnym00 on Sun, 03 May 2020 17:08:40 -0700

CentOS 7.3 installation and configuration vsftp

1, Configure firewall and open the port required by FTP service Turn off the firewall of the system #Stop firewall [root@localhost ~]# systemctl stop firewalld.service #Disable startup of firewall [root@localhost ~]# systemctl disable firewalld.service Install iptables firewall #install [root@localhost ~]# yum in ...

Posted by Zangakat on Sun, 03 May 2020 14:51:12 -0700