Linux

Linux BasicsFirst of all, the philosophy of Linux1 All Documents2 Small and beautiful apps3 Combo Applet4 Avoiding confusing graphical interfaces5 configuration data stored in textAnd then say Shell,shell is a bridge between the user and the Linux

1. I/O tuningThe iostat command output under CentOS is as follows:$iostat-D-K 1 2 # view TPS and throughputThe parameter-D indicates that the device (disk) usage status is displayed; k Some columns that use block are forced to use kilobytes; 1 10

Modify the permissions for all files in a directory, and if the file permissions in subdirectories are also modified, use the parameter-R to start the recursive processing.For example:Set the permissions of the/home/user directory to rwxrwxrwx,

Linux command is our basic skills to use and maintain the Linux operating system, when you master the basic command, you can efficiently and quickly complete the task, the following commands are the common commands summarized by themselves, mainly

Getting Started with Linux Basics ( system installation ) Virtual Machine Steps1. Introduction to Creating Virtual operations Files --New virtual machine --->Custom -( advanced ) -Hardware compatibility Choose the highest possible --->I'll install

When tcpdump and tcpdump To locate the problem, you need to use tcpdump on Linux and save it to the file. The following problems are encountered: Tcpdump port 9001-w xxTcpdump: xx: Permission denied Because it is already a root user, it is

Lvm [12446]: Another thread is handling an event. Waiting, lvm12446 When checking a Linux server, a large number of "lvm [12446]: Another thread is handling an event. Waiting..." are found in the log ..." Jul  4 00:01:42 localhost lvm[12446]:

Unable to push solution after GitLab7 is upgraded to 8.2 I upgraded gitlab7 to 8.2 and found that the http Protocol cannot be pushed. The error is as follows: ssh protocol is acceptable. Error: Cannot access URL https: // git... /Repo. git/, return

Install the YouCompleteMe plug-in and the Python plug-in jedi-Vim in vim.1. Install YouCompleteMe 1. Install the vundle plug-inGit clone https://github.com/gmarik/vundle.git ~ /. Vim/bundle/vundle2. Install YouCompleteMeAdd the following in.

Echo of Linux basic commands (which involves bash command reference and replacement) Echo is a common command in Linux. It is essential to use echo flexibly in bash script writing. In man's manual, display a line of text is displayed as a echo or

CentOS 6.5 fixed grub boot In the process of using Linux, it is inevitable that the system prompts grub> and cannot be started, which may be caused by the loss of/boot/grub files in the system, when this problem occurs, as long as the system

Use awk to filter strings in text or files When we use a specific command in Unix/Linux to read or edit text from a string or file, we often need to filter out the output to get the desired part. In this case, the regular expression will be

Change CentOS to Alibaba source, and change centos to Alibaba Step 1: Back up the local yum Source Mv/etc/yum. repos. d/CentOS-Base.repo/etc/yum. repos. d/CentOS-Base.repo.backup Step 2: Download the Alibaba Cloud yum source file Wget-O/etc/yum.

CentOS6.8 configure the GO Language Development EnvironmentGuideThe Go language is the second open-source programming language released by Google 2009. The Go language is specially optimized for the programming of multi-processor system applications,

How to Use awk to output fields and columns in text First, we need to know that awk can automatically separate the input rows into several fields. Each field is a group of characters separated from other fields by an internal field separator. If you

How to mount a Windows share permanently on LinuxGuideIf you get tired of restarting Linux, you have to re-mount Windows sharing. Read this simple method to share permanent mounting. It is never easy to interact with a Windows Network in Linux.

Build an SVN server in Ubuntu 14.04 Work environment: Server: Ubuntu 14.04 64bit Client: Windows 10 64bit, Tortoise 1.9.3.27038 Server Installation Process:Install svn: sudo apt-get install subversionCreate an svn Repository: mkdir/home/. svn (use a

CentOS 7 LAMP + xcache (php-fpm Mode) CentOS 7 deploy separate LAMP + xcache (php-fpm) through the RPM package) Requirements:Run the rpm package to deploy LAMP and separate the LAMP environment.(1) a vm provides wordpressOne VM provides phpMyadmin (2

Hadoop block learning notes When a file is written to HDFS, it is split into data blocks and the block size is the parameter dfs in the configuration file hdfs-default.xml. blocksize (since the Hadoop-2.2 version, the default value is 134217728

Offline installation of Cloudera Manager5.3.4 and CDH5.3.4 During this period of time, I have been installing CDH. The third installation was successful. There were many problems for the first time, but they were uninstalled later. The second