One Linux command per day (--RCP) command

RCP stands for "Remote file copy". This command is used to copy files between computers. The RCP command has two forms. The first format is used for file-to-file copies, and the second format is used for copying files or directories to another

The problem of garbled characters of Birt chart in Linux

Birtchart Linux in the Chinese garbled problem is that the Java Virtual machine can not find the Chinese font file caused by fonts.Steps:1. Export lang=zh_cn in. Bash_profile. GB2312 modified to:Export lang=zh_cn.gb18030. Because GB2312 does not

Directory Management of Linux basics (2)

Common directory commands under Linux have LS cd pwd mkdir rmdir tree1.ls commandLS used to list the files listed under a certain path-L: Long format (show file details)File type: the -: Normal file FD: Catalog Files directoryB: Block device fileC:

Linux File Management commands

CP command-R, R recursive-P--preserve=mode,ownership,timestamps-F Force Copy overwrite-I prompt information-a--archive-dr--preserve=all [' Ɑrkav] archive replication, often used for backup-D--no-derefence--preservce=link-L--deference always follow

Basic operations under Linux

Recently practiced Linux basic operation, feel free to write something, also roughly recorded: Access to network card IPIfconfig | grep ' inet addr ' | Sed ' s/^.* addr://g ' | Grep-v ' 127.0.0.1 ' | Sed ' s/bcast.*//g '---Cancel the

View the number of handles occupied by the system process under Linux

To view the number of system default handles:[Email protected] ~]# ulimit-n65535[Email protected] ~]#To view the number of handles open by the current system[[email protected] ~]# Lsof-n|awk ' {print $} ' |sort|uniq-c|sort-nr|more553 26093205 2223517

Installing the JDK environment variable configuration on Linux

Http://blog.chinaunix.net/uid-12115233-id-3304951.htmljdk:jdk-6u1-linux-i586tomcat:apache-tomcat-7.0.2.tar.gz 1,make Dir/usr/local/java (build Java directory)2. Upload jdk to Java directory 3,sh jdk-6u1-linux-i586.bin (install JDK) See the installer

Core Release to Linux

ASP. NET Core released to the Linux production environment Ubuntu systemASP. NET Core released to the Linux production environment Ubuntu system, before you explained the dotnet publish release, but not the whole system to string up.Today, let's

Linux Scheduled Tasks

CrontabRecurring time schedule tasks, time is over and not executed, to the next cycle/etc/init.d/crond Start Open Crond ServiceVim/etc/crontab crontab configuration file* * * * * Root run-parts/etc/cron.hourly4 * * * Root run-parts/etc/cron.daily4 *

Some basic knowledge about Linux

bz2

I. Basic1.linux all content is saved as a file, including hardware.2.linux does not differentiate between extensions, by permissions. #但是, contract. SH script file. conf configuration file.3.-rw-r--r--#第一位 (-file, D directory, l soft link file),

Linux Common commands

Type: shows which type of command is specified (built-in command or external command)external Command : There is an executable file corresponding to the command name in a path in the file system Environment variables: named memory spacevariable

process, port number mutual view method under Linux

Under Linux, view its occupied port by process name: 1, first view process PIDPs-ef | grep process Name2, through the PID view occupies the portNetstat-nap | grep process PIDExample: viewing the corresponding port number through Nginx

Linux (4)-common system commands and common linux commands

Linux (4)-common system commands and common linux commands Here we will record the common basic system commands, which are commonly used and should be remembered. There are five modules: time, output/view, shutdown/restart, compression archiving,

CentOS creates a local yum source server and centosyum source server

CentOS creates a local yum source server and centosyum source server Install CentOS and configure the network environment of the system Configure static

Optimized vmwawre and vmwawre configurations

Optimized vmwawre and vmwawre configurations If the vmwarevm is improperly set, the running speed may be slow, the running of the host may be affected, or even the host may crash. The following is an improvementVmwarevmSeveral tips on running speed,

Firewall iptables Analysis

Firewall iptables Analysis Firewall iptables Analysis I. Basic concepts of iptables Match: meets the specified conditions, such as the specified IP address and port. Drop: When a packet arrives, it is simply discarded without any other

Use NSSM to deploy Node. js on a Windows Server

Use NSSM to deploy Node. js on a Windows Server In Linux, you can easily use forever or pm2 to deploy nodejs applications. However, in windows, it is troublesome. pm2 explicitly supports Linux & MacOS, And forever has many problems in

Simple Samba configuration based on user authentication

Simple Samba configuration based on user authentication 1. Introduction to sambaSamba is a free software that implements the SMB protocol on Linux and UNIX systems. It consists of servers and client programs.Server Messages Block (SMB) is a

Sftp installation Configuration

Sftp installation Configuration 1. Basic Knowledge1.1 conceptsSftp is short for Secure File Transfer Protocol and is a Secure File Transfer Protocol.1.2 FunctionsIt provides a secure encryption method for transferring files.1.3. Features1) sftp has

Configure local Tomcat application port 80 forwarding in Linux

Configure local Tomcat application port 80 forwarding in Linux Scenario:Locally deploy Tomcat to port 8080, and expect local access to port 80 to access local Tomcat. Conclusion:Use iptables in Linux to implement port forwarding. Specifically The

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