Programmer Think

For the lack of Jenkins and other automatic packaging platforms, the usual process of deploying front-end projects is: first deploy to the test environment ok, then publish to the production environment, then deploy to the test environment, connect to the server with xshell, then connect to the serve ...

Nagios add monitoring host Operation steps: 1. Modify the main configuration file of Nagios to separate the configuration of the server from the configuration of the monitoring items 2. Add monitoring host related information profile 3. Check configuration file syntax for correctness 4. Reload config ...

1. Install ntp We recommend that NTP services (especially Ceph Monitor nodes) be installed on all Ceph nodes to avoid clock drift failures. For details, see Clock. sudo yum install ntp ntpdate ntp-doc // yum -y install ntpdate ntp vim /etc/ntp.conf server ntp1.aliyun.com iburst systemctl restart nt ...

Configuration environment: Mac OS 10.14.5 hadoop version: 3.2.1 Time: February 29, 2020 Install Homebrew Homebrew is commonly used on mac, with few descriptions and installation methods /usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)" SSH login loca ...

Key paired to local and server Prerequisite: Server has git tools and nginx server installed, git tools locally installed, hexo configured Generate Local Key The local terminal runs the command ssh-keygen-t RSA and returns continuously, generating a public key to store in C...In the / user/.ssh fold ...

By Ananias Tsalouchidis Translated by: Meng Wei Original text: https://www.percona.com/blog/2020/01/07/how-securing-mysql-with-tcp-wrappers-can-cause-an-outage/ case Protecting MySQL is always a challenge. There are general best practices for installing reinforcement, but the more complex your settings are, the more likely you are to encou ...

1. Install Docker Machine If Git is installed, you can use git bash to execute the following command: $ base=https://github.com/docker/machine/releases/download/v0.16.0 && mkdir -p "$HOME/bin" && curl -L $base/docker-machine-Windows-x86_64.exe > "$HOME/bin/docker-machine.exe" ...

Specific settings 1. First, set the network connection mode of virtual machine and host computer to NAT mode 2. It is very important to modify that the network of the virtual machine is in the same network segment as the intranet segment of the host computer (in the same LAN), otherwise, you cannot connect centos through the s ...

a.1 underlying command Previously, we outlined 30 common Git commands, such as checkout/branch/remote. Since Git's initial goal was a collection of tools, not a VCS system, it contained a large number of underlying commands to be invoked in scripts like Unix systems, so these commands are called under ...

1.rsyslog                 This service is used to collect logs. It does not generate logs, but plays a collection role           vim  /etc/rsyslog.conf        ##View collection log information           /var/log/messages            ##Service information log            /var/log/secure            ##System login log            ...