Linux

The CD commands are familiar, and the bash shell is often used to switch directory commands. Next we get to know the CD command directly through the almighty man. The Direct man CD is not going to work, and will show no manual entry for CD. The CD

Unset for the shell built-in directives, you can delete variables or functions. Grammar unset [-fv][variable or function name] Parameters: -F Deletes only functions. -v deletes only variables. Instance Delete environment variables

One, what is the system average load (load average)?In Linux systems, the uptime, W, top commands will have the system average load average output, then what is the system average load?The system average load is defined as the average process tree

Install BZIP2The order is as follows: The code is as follows: Make-f Makefile-libbz2_so && Make && Make install && CP Bzip2-shared/bin/bzip2 && Ln-s libbz2.so.1.0 libbz2.so && Cp-a libbz2.so*/lib && Rm/lib/libbz2.so &&

SFTP and FTP are different protocols, SFTP is an SSH-contained protocol, and as long as the sshd server is started, it is available, and it does not require an FTP server to start itself. 1. View OpenSSH software version, want to SFTP service users

Ansible Ansible does not require any agents, except sshd, does not occupy the control of any resources in the ansible does not execute (the default support SSH, also supports other)Ansible also has no service side, only executes commands when

Command alias: Alias Alias displays all aliases defined in the current shell [Root@zabbix_agentd zabbix]# AliasAlias cp= ' Cp-i 'Alias egrep= ' Egrep--color=auto 'Alias fgrep= ' Fgrep--color=auto 'Alias grep= ' grep--color=auto 'Alias l.= ' ls-d. *

SFTP Introduction SFTP is a secure File Transfer protocol abbreviation for security FTP. You can provide a secure encryption method for transferring files. SFTP and FTP have almost the same syntax and functionality Introduction to SCP Transfer

In the terminal, enter: The code is as follows Copy Code Tar-cvpzf/media/data/linux_bak.tgz–exclude=/proc–exclude=/lost+found–exclude=/media–exclude=/mnt–exclude=/sys/ Note: The last/previous one has a space

On a Linux server The first step is to create an account that is specific to Git's warehouse, which is also easy to manage. You can refer to the Linux New User command for this article. #新建一个git用户组sudo groupadd git#新建一个git用户, create a directory,

How do I install Oracle in Linux graphics??Solutions and ideas: 1 The VNC service can be installed.2 If you are near the server, you can install it directly under the desktop. (If Linux has a graphical desktop program installed)3) by Xmanager

The configuration of PPTP consists of the following five steps: Verify that the kernel is loading the MPPE moduleInstall the required packagesConfigure PPP and PPTP configuration filesTurn on IP forwarding for the kernelStart the pptpd

Open, stop, restart service Sevices NSCD Start | Stop | Restart Cache db Files under/VAR/DB/NSCD Nscd-g View Statistics Clear Cache Nscd-i passwdNscd-i GroupNscd-i hosts Add: Turn on the NSCD cache service to speed up DNS resolution

The Chkconfig command is used primarily to update (start or stop) and to query run-level information for system services. Keep in mind that Chkconfig does not immediately automatically disable or activate a service, it simply changes the symbolic

Recently need to use neo4j to do a small test, seemingly a smooth installation but when the server started the error. Finally found the problem is JDK1.7 installation, less modified a symlink. My installation steps are as follows: JDK1.7 was

About FFmpeg FFmpeg is an open source free Cross-platform video and audio streaming program that belongs to free software, using LGPL or GPL licenses (based on the components you choose). It provides a complete solution for recording, converting,

Deploy containers using atomic hosts, Ansible, and CockpitGuideAn atomic host from an atomic project is a lightweight container operating system that can run Linux containers in Docker format. It is specially tailored to improve efficiency and makes

Install redis and redis clusters in CentOSRedis Introduction Redis is an open-source Log Type written in ANSIC language that supports Network, memory-based, and persistence,A high-performance Key-Value database that provides APIs in multiple

The screen displays all Out of memory: Kill process [PID] [process name] score, although it is known that this is a linux self-protection for memory cleaning, however, I learned more details.[Cause analysis]Out of memory, which is usually caused by