Use ulog to monitor port logs (by quqi99)

Author: Zhang Hua, published in: 2019-08-14 Copyright Statement: It can be reproduced arbitrarily. When reproducing, please indicate the original source of the article, the author's information and the Copyright Statement in the form of hyperlinks.( ...

Posted on Wed, 14 Aug 2019 00:17:59 -0700 by eves

Linux Remote Desktop

Torture yourself Mark in the machine room after a long time.(test environment rhel5.5) Independent Service Configuration for vnc      Step 1: (1) Check to see if the vnc service is installed on the system (also in System-Administrator-Service, check and check Start-Up) # rpm -qa | grep vnc (If there is a return value, similar to the value o ...

Posted on Tue, 25 Jun 2019 09:48:52 -0700 by ihw13

05.04 Rsync Service Exception Error Summary

Chapter 1 iptables firewall opened by rsync server 1. [Client error] No route to host 2. [Error Demonstration Process] [root@nfs01 tmp]# rsync -avz /etc/hosts rsync_backup@172.16.1.41::backup rsync: failed to connect to 172.16.1.41: No route to host (113) rsync error: error in socket IO (code 10) at clientserver.c(124) [sender=3.0.6] 3. ...

Posted on Thu, 13 Jun 2019 17:13:20 -0700 by Petty_Crim

iptables firewall rules cause port impassability case analysis

iptables firewall rules cause port impassability case analysis Problem phenomena: Port 8080 of one server is not accessible, but other ports are normal, such as port 22 of ssh and ping. Testing port 8080 for telnet connection from other machines shows the result below. [root@iZ25a9b7bpcZ ~]# telnet xx.xx.xx.xx 8080 Trying xx.xx.xx.xx... tel ...

Posted on Mon, 03 Jun 2019 20:31:06 -0700 by mikesab

Routing and Policy Routing in linux

Route Gateway: Exit to other segments Dynamic routing: Routers automatically create routing tables, when the network structure changes, routers will have more network conditions to automatically modify the routing table. Static routing: Manual routing table. Manual modification of routing table is required when network card architecture chan ...

Posted on Sun, 19 May 2019 03:45:39 -0700 by franck

Configure YUM Server

1. Pre-preparation Prepare two Linux servers, one for CentOS 6.9 and one for CentOS 7.4. The other will access the two services 2. Turn on CentOS7 Auto-mount Disc Service Install autofs package yum -y install autofs Turn on automount systemctl start autofs Turn on Automount by default systemctl enable autofs 3. Close the fire ...

Posted on Sat, 27 Apr 2019 23:00:38 -0700 by tzicha

kubeadm installation kubernetes environment initialization

Server environment 192.168.1.252 k8s-node02 192.168.1.73 k8s-node01 192.168.1.101 k8s-master Environment settings a) Setting time synchronization b) DNS parsing of local hosts files c) Turn off iptables or firewwalld and make sure it does not start automatically d) Turn off selinux and disable swap devices e) If the proxy model of ipvs is ...

Posted on Fri, 26 Apr 2019 09:03:35 -0700 by stenk

Zookeeper-3.4.6 stand-alone installation

1. Prepare the linux server (192.168.127.137) for installation of zk Use vim to modify / etc/hosts file, add # zookeeper servers 192.168.127.137 zk-server 2. Download zookeeper-3.4.6 wget http://apache.fayea.com/zookeeper/zookeeper-3.4.6/zookeeper-3.4.6.tar.gz 3. Unzip the zookeeper installation package: mkdir -p / ...

Posted on Wed, 10 Apr 2019 14:45:31 -0700 by pspfreak101

Building Java Web Environment with VPS of Tile Mover

Recently, I just bought VPS. I am going to put my own project on it. By the way, I learn Linux and VPS. It took me a day to set up the environment and record the steps by command. System Environment and Tools Operating system: CentOS 6.4 x64 jdk1.8.0_121 x64 mysql-5.7.17 x64 apache-tomcat-7.0.75 Tool: winSCP PuTTY Installation steps and comma ...

Posted on Sat, 06 Apr 2019 14:15:30 -0700 by wonderman

One linux command per day: telnet command

Telnet commands are usually used for remote login. Telnet program is a remote login client program based on TELNET protocol. Telnet protocol is a member of TCP/IP protocol family. It is the standard protocol and main mode of Internet remote login service. It provides users with the ability to complete remote host work on the local computer. Th ...

Posted on Wed, 27 Mar 2019 23:42:28 -0700 by crislewis