nfs network file system

]>NFS (Network File System), which is one of the file systems supported by FreeBSD, allows computers in the network to share resources through the TCP/IP network. In the application of NFS, the client application of local NFS can read and write files on the remote NFS server transparently, just like accessing local f ...

Posted on Thu, 28 May 2020 08:41:51 -0700 by proxydude

Software installation and yum source building

Software installation 1.rpm rpm -ivh name.rpm ###Install, - v display process, - h specifies hash as encryption method -e name ###uninstall -ql name ###Query software generation file -qlp name.rpm ...

Posted on Mon, 04 May 2020 00:38:57 -0700 by tom2oo8

Public network virtual machine sshd anti brute force attack

Brute force bot attempts to use various user names and passwords to crack. For example, I found the following user names under / var/log/secure, and they try to use ssh to log in to my public virtual host. sed -n '/Jan 19/p' /var/log/secure | sed -n '/invalid user/p' | awk '{print $(NF-1)}' | sort | uniq 0 0101 1 ...

Posted on Fri, 01 May 2020 21:36:08 -0700 by bobbybrown

Configure haproxy + preserved + PXC 5.7

There are many ways to separate reading from writing in MySQL. Haproxy + preserved + MySQL (master slave) is a common choice. This paper configures haproxy based on PXC 5.7 cluster environment and implements read-write separation of MySQL with Keepalived. The following are the main configuration methods and steps. 1, Current environment ...

Posted on Fri, 01 May 2020 00:49:09 -0700 by FeeBle

Cent0s7.2 building ftp service

1. Install vsftpd yum install vsftpd 2. Set startup systemctl enable vsftpd 3. Fill in the configuration file My configuration information   URL:ftp://maoerfei.cn/pub/vsftpd.conf Interpretation of relevant information # Remove comments and overwrite anonymous_enable=YES //Anonymous Access anon_upload_enable=NO anon_mkdir_write_ ...

Posted on Thu, 30 Apr 2020 19:11:17 -0700 by galvin

Docker series-10.docker installation fastdfs

One. Search fastdfs image docker search fastdfs [root@localhost home]# docker search fastdfs NAME DESCRIPTION STARS OFFICIAL AUTOMATED season/fastdfs FastDFS One One luhui ...

Posted on Thu, 30 Apr 2020 06:23:12 -0700 by new_to_php2004

Simply reinforce the Windows RDP connection

Recently, because of the epidemic, everyone works at home. For remote connection, some small offices do not use the virtual private network, but directly forward the port on the firewall, directly jump to port 3389 of the server. Moreover, for various reasons, the source IP is not limited on the firewall. As a result, anyone on the Internet ca ...

Posted on Wed, 08 Apr 2020 04:27:21 -0700 by RW

CENTER OS7 turn off firewall

CentOS 7.0 uses firewall as the firewall by default, and the previous version used iptables. Therefore, you cannot view the firewall status by executing the following command in CentOS 7. [root@localhost ~]# service iptables status Redirecting to /bin/systemctl status iptables.service Unit iptables.service could not be found. ...

Posted on Sat, 04 Apr 2020 09:40:53 -0700 by uNF

Preliminary configuration for installing RabbitMQ and RabbitMQ

RabbitMQ Basic Meaning RabbitMQ is a message middleware that handles asynchronous messages from clients.The message that the server will send is put into the queue pool.Receiver can receive messages from server according to the forwarding mechanism configured by RabbitMQ.RabbitMQ forwards, buffers, and persists messages according to the specifi ...

Posted on Fri, 03 Apr 2020 16:26:39 -0700 by anwoke8204

Firewall policy of Mysql remote access in Centos7

Firewall policy - port access Setup steps Detection port If you cannot connect to Mysql remotely, check whether the default 3306 port allows access: [root@localhost /]# iptables -L -n|grep 3306 ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 state NEW tcp dpt:3306 allow access to If not, you ne ...

Posted on Fri, 03 Apr 2020 03:22:47 -0700 by jennyp