: The default option is to keep data synchronized and data synchronized to memory and hard disk.Async: Writes data to memory before writing data to the hard disk.Secure: The NFS client must use the NFS reserved port (typically the port below 1024), the default option.insecure: Allow NFS clients to not use NFS reserved ports (typically more than 1024 ports).PS: If you change the/etc/exports configuration file, you can perform a service NFS restart Rest
NTP Service time synchronizationTurn off firewalls and SELinux or turn on all firewall services[Email protected] ~]# firewall-cmd --set-default-zone=trusted NTP service[[email protected] ~]# yum–y install NTP[email protected] ~]# cat /etc/ntp. conf //Modify configuration file
//define native sync time with yourself Restrict 176.20.32.0 mask 255.255.255.0 nomodify //allow which hosts sync tim
great help in adjusting the operation of NFS.3, RpcinfoView RPC execution information, a tool that can be used to detect RPC health, and use RPCINFO-P to see what programs are available for RPC-enabled ports.4, Showmount -A displays directory information that is already on the client connection -e IP or hostname display the directory shared by this IP address5, NetstatYou can view the ports that are open for NFS service, where NFS is turned on by 2
First step: using Yum List | grep telnetStep Two: Use yum-y install Telnet-server telnetStep three: Install the XINETD service and restart the XINETD serviceYum-y Install xinetdService xinetd RestartChkconfig xinetd onChkconfig Telnet onChkconfig--list | grep xinetdChkconfig--list | grep telnetFourth step: Set the root user remote login Telnet service, by default, the system does not allow the root user tel
installed, there is a shared directory/var/FTP/pub. If it is not created by yourself
By default, FTP programs can be used. You need to change the/Pub owner to an FTP program user,
3. Open the vsftpd. conf configuration file and modify four items.In row 3, enable the anonymous user upload permission anon_upload_enable = yes.Manually add an anonymous user's permission maskAnon_umask = 022
Open anon_mkdir_write_enable = yes in row 32nd and manually add other anonymous user permissions anon_other_w
One installation vsftpdBefore installing VSFTPD, first update the Apt-get downloaded data source to enter the following command:sudo apt-get updateThen install VSFTPDsudo apt-get Install VSFTPDTwo additional FTP accountsNew Ubuntu account ftp.sudo useradd-m ftpsudo passwd ftpIf you have an FTP directory in the/home directory after the VSFTPD service is installed, ignore the Create FTP directory command, or enter the following command to create a new F
5 self-starting services we need) Crond 0:off 1:off 2:on 3:on 4:on 5:on 6:offNetwork 0:off 1:off 2:on 3:on 4:on 5:on 6:offRsyslog 0:off 1:off 2:on 3:on 4:on 5:on 6:offsshd 0:off 1:off 2:off 3:on 4:off 5:off 6:offSysstat 0:off 1:on 2:on 3:on 4:on 5:on 6:offThe 2nd approach is a bit simpler. You can use it flexibly as needed.Set up self-starting services can also be handled through setup and NTSYSV.This article comes from " David 's Linux Operations Le
Oauth_code--------------------------------------------------------------Table structure for' Oauth_refresh_token '-- ----------------------------DROP TABLE IF EXISTS ' Oauth_refresh_token '; CREATE TABLE ' Oauth_refresh_token ' (' token_id ' varchar (256) DEFAULT NULL, ' token ' blob, ' authentication ' blob) ENGINE=innodb DEFAULT Charset=utf8;Note: The related table for OAuth is used to store user token information and authentication information.This section builds up first so many, behind the
If you do not want to work with others, git does not need to set up servers at all. git can directly use the path of the local version library to perform operations between git versions. However, if you want to share the version library with others for collaborative development, you need to be able to operate the git library through the network protocol. Git supports a wide range of protocols and many Server SETUP options. Different solutions have the
Linux service boot setup is usually in/etc/init.d/.While the default installation directory for Jexus in/usr/jexus, start file for JWS parameter has start stop restartHere to contribute a freshly written Jexus startup script#!/bin/bash# # # BEGIN INIT INFO## PROVIDES:JWS# Required-start: $local _fs $remote _fs# required-stop: $local _fs $remote _fs# Default-start:2 3 4 5# default-stop:0 1 6# SHORT-DESCRIPTI
database file to E:\Work _app\mongodb\data\db directory Note: 1, note is Mongod.exe 2, this time the interface will stop at 2015-03-26t15:19:17.135+0800i network[initandlisten]waitingforconnectionsonport27017 (the database is now started)
4First knowledge of MongoDB:New Open [ Note is new ] after a cmd window, then run the Mongo.exe program (note that there is no d), at this time the previous window is displayed: 2015-03-26t15:31:10.148+0800 I NETWORK [ Initandlisten] Connection
DNS service setup details
Dig: yum install-y bind-utils
Yum install bind
/Etc/named. conf is the DNS master configuration file/Etc/init. d/named is the DNS Service start and stop script (Centos7 is systemctl start named)
Cp/etc/named. conf/etc/named. conf. bak back up the original configuration file
>/Etc/named. conf clear the configuration file
Vim/etc/named. co
Http_port Accel Vhost VportThe following additions are added:Cache_peer 101.226.103.106 Parent 0 originserver Name=aCache_peer 115.239.211.112 Parent 0 originserver Name=bCache_peer_domain a www.qq.comCache_peer_domain b www.baidu.comRemove the previously added domain name White/blacklist-related configurationIf it is squid to proxy all the domain names on the web, then write this: Cache_peer 192.168.10.111 parent 0 originserver #只需要这一行, Cache_peer_domain can be omitted/etc/init.d/squid restart
--Select asia--> Select china--> Select East China-beijing, Guangdong, Shanghai, etc--> and enter 1;Execute tz= ' Asia/shanghai '; Export TZ and add this line of command to the. Profile, then exit and log back in.Reference: http://jingyan.baidu.com/article/fa4125acb7328628ac70920e.html③ Manual Update:Ntpdate asia.pool.ntp.org④ View the synchronization of this machine with the upper NTP server:Ntpq-pAt this point: the NTP itself is synchronized properly and then set the client⑤ Change the IP addr
VSFTPD RestartShutting down VSFTPD: [OK]Starting vsftpd for VSFTPD: [OK]3. access ControlUser_list# Vim Vsftpd.confUserlist_enable=yesThis file will not allow access to FTP as long as the user writes it in . One row for a user nameUserlist_enable=no Cancellation Restrictionsmax_clients=100 Setting The maximum number of FTP server access clients is fourMax_per_ip=5 Set The maximum number of connections per IP address to 3local_max_rate=300000 FTP Server local user maximum transfer rate set to
--------------------------------------------------------------Table structure for' Oauth_refresh_token '-- ----------------------------DROP TABLE IF EXISTS ' Oauth_refresh_token '; CREATE TABLE ' Oauth_refresh_token ' (' token_id ' varchar (256) DEFAULT NULL, ' token ' blob, ' authentication ' blob) ENGINE=innodb DEFAULT Charset=utf8;Note: The related table for OAuth is used to store user token information and authentication information.This section builds up first so many, behind the business c
Tags: outer emctl yum NIC Start Service note Server main yum sourceDHCP service (one Linux for Windows):The experimental premise is to configure the Linux IP address to install the Yum sourceTwo machine Linux servers with Windows client:1. Experimental steps:DHCP server (Linux): IP 192.168.10.1/24 VMnet2Client (Windows): NIC is automatically acquired2. Install the DHCP service:Package: dhcp.****.rpmInstall
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