Linux

List of commonly used commands of iptables: Command-A, -- append sample iptables-a input... it indicates that a new rule is added to a Rule refining, And the rule will become the last rule in the Rule refining. Command-D, -- delete example

Linux Process Management command 1. PS stands for the snapshot of the process to be increased. Usage Overview: ps [Option] depicts the process information of the selected activity. If you want to inherit the performance update information, the

Vmstat, a server performance debugging tool, is a very useful tool for Linux system monitoring. The vmstat command can be used to obtain information about processes, memory, memory paging, blocking IO, traps, and CPU activities. I. preface it is

In the centos image interface, the solution that cannot be found after the files are minimized is opened. In the afternoon, the system runs centos again, the command line is started, startx is started, and some operations are performed on the

You need to know how many common Linux commands the project is responsible for Technical Architecture has recently resigned, and I was pushed to replace by the Project Manager. Although I have been using Ubuntu for two years, I still have no idea.

Run the command cat/proc/versionuname-auname-rcat/etc/issue 2 to view the Linux version. log on to the server and run lsb_release-, you can list all version information, for example, [root @ aeolus1 ~] # Lsb_release-a LSB Version: core-4.0-amd64:

Linux/etc/hosts file function 1. about/etc/host, host name and IP configuration file Hosts: The static table lookup for host name (host name query static table) in Linux,/etc/hosts is the file that configures the ip address and its corresponding

Software for ubuntu Yakuake is a KDE drop-down terminal software. Like Kate, KDevelop, and Konqueror,Yakuake uses the Konsole technology to provide terminals through KParts.Java code apt-get install yakuake install git Java code sudo apt-get install

Ldap command first test ldapsearch-h 192.168.1.10-D "uid = enlaizhou, ou = People, dc = example, dc = com"-W-B "ou = People, dc = example, dc = com "ldapmodify-a-f/tmp/c-h 192.168.1.10-D" uid = enlaizhou, ou = People, dc = example, in addition,

/Bin/mv: The parameter list is too long. Preface I realized a set of online database Incremental backup solutions. I only backed up the incremental database db every day (ps: there are about more than 0.3 million databases online ). However, one day,

Shell script entry 001 #! /Bin/bash002fruit = apple003count = 5004 echo "We have $ count $ {fruit} (s) "005 006 007 # use shell variable 008 # shell environment variable 009 echo $ PATH010 011 012 # Add a new PATH 013 export PATH =" $ PATH:

Deb in ubuntu uses the Ubuntu package format as deb. The installation method is as follows: sudo dpkg-I package. deb dpkg detailed usage, there are many online, below a few simple columns: dpkg-I package. deb installation package dpkg-r package

Dport and sport in iptables first translate dport and sport meaning: dport: Destination Port sport: Source Port beginner iptables is easy to confuse, but I try to explain it to you in plain language. Dport and sport are literally easy to understand.

Rabbit-Error: mnesia_unexpectedly_running solve the rabbitmq Error under Centos6.2 [root @ HK-210209127027 ~] # Php/var/www/html/rabbitmq/receive. php PHP Fatal error: Uncaught exception 'amqpconnectionexception' with message 'socket error: cocould

Under the ubuntu gedit default encoding settings under the ubuntu gedit default encoding for UTF-8, while in the windows compiled txt default encoding bit GBK, so in windowx txt opened with getdit is garbled, solution: Enter gsettings set org. gnome.

Memo: several things that need to be done when linux starts to use (fedora) 1.install unrar, because the official .rar file is still commonly used unrar in rpmfusion-nofree-plugins, which is not obtained by default: # rpm-Uvh

SSH remote session management tool-screen tutorialI. What is the screen command?Screen is a full-Screen window manager that allows multiple processes to reuse one physical terminal. Screen has the concept of session. You can create multiple screen

Add the boot script for Ubuntu. After Ubuntu is started, it will execute the script in the/etc/rc. local file, so we can directly add the boot script in/etc/rc. local. Of course, you must add it to the statement before exit 0. For example, sudo

Commands related to user permissions 1. Create groupadd test, modify groupmod-n test2 test, change the name to test2, delete groupdel test, view group groups root2, and perform user operations: -B: set the basic path as the user's login directory

Vmware workstation: vmware workstation 8, guest OS: CentOS 6.2. host OS: windows 7 problem: After cloning RHEL 6.3, the network adapter name has two eth0 and eth1. The actual function is eth1, and eth0 is cloned. Because a new mac address is