Linux

1 Piping and redirection 1 in Linux Most of the commands are simple, rarely complex commands, each command is only a simple function, we can combine different commands to achieve complex functions 2 in Linux almost all of the commands returned by

1. Overview As one of the five functions of network management, charge management can detect and control the cost and cost of network operation, record the usage of network resources, and after the cernet has determined the principle of paid use of

This chapter describes the memory management features of Linux, namely virtual memory and disk caching. Describe what the system administrator should consider, work, and purpose. What is virtual memory? Linux supports virtual memory by using disk

Recently on new projects, to build nginx to ensure security, the decision to install the WAF module, the following is the specific steps, first download the required installation package, for each installation: wget

This is a good performance of the server software, because it has a number of powerful features and large throughput, the internet has more than 60% of the FTP server used it. Installation and operation Here's an example of Redhat Linux. 1,

Recently cleaned up the Linux zip/unzip command, as follows: Command name: Zip Function Description: Compress file. Syntax: Zip [-acddffghjjkllmoqrstuvvwxyz$][-b ][-ll][-n ][-t ][-][Compressed files [Document ...] [-i Supplemental Note: Zip is

It is recommended that you set the network card NAT mode Dynamic Network configuration: 1, be sure to open the local DHCP service 2. Select the NAT mode in the Virtual network editor to select the DHCP entry as shown below 3, Ifup eth0Static

It is said to do a good job of lamp is already equivalent to a mid-level PHP program ape level, of course, your PHP will be able to do, and then do a variety of frameworks. In fact, this thing is not mysterious, very simple. Even simpler than

Someone said why don't you back up? This question I also considered ah, in fact, you have not thought about such a foreign VPS what, back up all the site how to say also have to Baixin trillion it. You can't download it every day? This bandwidth

Apache server is an open source Web server, is supported by the non-profit organization Apache Software Foundation, many of our virtual host, VPS, etc. will use the Apache server architecture environment, but any architectural environment will be

Introduction to Commands: The RM command is used to remove files or directories from the Linux system. Typically RM does not delete the directory, you must delete the directory by specifying the parameter-R or-R. In addition RM can usually restore

Freebird 1. Overview The early U N I x system kept the user's password in a plain text readable "password file," which could be intercepted and exposed without the attention of the system administrator. It may also be leaked in an accidental

Search based on keyword Command grep is used to search for text based on keywords $ grep ' Shuangde '/etc/passwd $ find/-user Shuangde | grep video -I ignores case when searching -N Displays the number of rows in which the result -V output lines

A summary of the planning tasks The task of planning is to perform the work that has been planned at the agreed time, which is the superficial meaning. In Linux, we often use the Crond server to do this work. A cron server can perform a specific

Usermod command parameters and usage details (Linux Modify user account information command)Linux usermod command parameters and usage details, Linux Modify user account Information command, USERMOD can be used to modify the user account

Hwclock:function DescriptionDisplays and sets the hardware clock.GrammarHwclock[--adjust][--debug][--directisa][--hctosys][--show][--systohc][--test][--utc][--version][--set--date= date and time;]Additional InformationThe hardware clock is the clock

After executing a command with the administrator, I use CTRL + Z to transfer the command to the background day. Cause I can't quit root.Input command: LogoutTerminal display: There is stopped jobs.Workaround:Input command: JobsTerminal display: [1]+

Linux Mounts[Email protected] ~]# mount/dev/sdb5/mnt/[[email protected] ~]# df-hfilesystem Size used Avail use% mounted ON/DEV/SDA 3 16G 2.1G 13G 14%/tmpfs 931M 0 931M 0%/dev/shm/dev/sda1 194M 28M 157M 16%/boot/dev/sdb5 2.0G 68M 1.9G 4%/mnt[[email p

Use the CD iso to automatically install and deploy the Linux operating system. I wrote an article on installing the operating system in batches using PXE, instead of having an environment in any place to install the operating system using PXE. If

Basic LINUX operation commands and basic linux operations   Ls to list files and directories-A: displays all files and directories, including hidden files and directories.-L: displays full attribute information of files and directories.   Cd changes