Linux

Linux mail sends an email stat = sent but does not receive an email. Today, I try to use the mail command (e. g: mail-s "hello" xxx@163.com) to me 163.com mailbox, 163.com can not receive, however, you can always find the email I just sent under/var/

In Linux, how does one add a user to sudoers? Sometimes when we execute sudo, xxx is not int the sudoers file tells us that the current user is not sudoer, so we need to add the current user as follows: 1. Modify the/etc/sudoers file and enter the

Linux diary (Exercise record): gzip, bzip2 & tar Use the-c parameter to output the compressed content to the screen, and use the-v output compression ratio to create a compressed file with redirection:Use the-d parameter to decompress the package.

The problem caused by the execution of the target file: syntax error: word unexpected today accidentally put a target file as an executable file on the Development Board for execution. The result is a problem :. /hello_qt: line 1: syntax error: word

Commonly used syslinux menu command PROMPT 0 TIMEOUT 100 menu stay time, the unit of time is 1/10 seconds (required) DEFAULT vesamenu. c32 MENU window menu background bsck.png running window BACKGROUND image (640x480) (required) FONT zh. psf font

Method to mount another Linx Server File System on A Linux Server objective: to access the file system specified on server A on server B, configure Server A to edit/etc/exports and add: /home 192.168.1.1 (rw) # The IP address is the address of

In linux, view all users and all user groups (including how to add) groups, view the group members of the currently logged-on users, groups gliethttp, and view the group of gliethttp users, view the current username/etc/group in the whoami group.

In Ubuntu, convert VIM to IDE. First, we install the vim editor. You can choose sudo apt-get install vim-gtk to install the plug-in ctags, this plug-in is mainly used to generate an index file from the ctags program. The ctags program is called

Ubuntu 10.04 screen recording software: Xvidcap Ubuntu 10.04 screen recording software has two common types: RecordMyDesktop and Ubuntu 10.04 screen recording software Xvidcap 1. Do not use the RecordMyDesktop SB software !!!!! It takes only one

Xss vulnerability attack and Prevention MeasuresXss is also called cross site Scripting (css. A malicious attacker inserts malicious html code into a web page. When a user browses this page, the html code embedded in the web page is executed, this

This article introduces how to use echo in linux. echo is a very simple and direct LINUX Command. First, we will introduce the standard command line, which contains three parts: Command_name option argument Okay. Back, echo is to send argument to

The following is a collection of common maintenance commands for linux servers. I hope this command will be helpful to you.   Change the time zone to Zone 8, Shanghai 1 cp/usr/share/zoneinfo/Asia/Shanghai/etc/localtimeModify host name 1 # modify the

This article describes how to create a smart routing function in linux. List of required devices: A free hostA router with OpenWRT installedA network cableA 2 gb usb flash driveBefore that, make sure that you have a router that has been flushed by

1. sigaction () # Include Int sigaction (int signum, const struct sigaction * act, struct sigaction * oldact )); The sigaction function is used to change the behavior of a process after receiving a specific signal. The first parameter of this

The Driver is also known as the Device Driver. In the modern computer architecture, the operating system does not directly deal with hardware, but communicates with hardware through drivers.   On the same computer, although the devices are the

--- Restore content start --- Today, a classmate asked me to help him download the android source code. No problem. The official android source code can only be obtained through git. Therefore, install git first. Because I have already configured

In Ubuntu, open an installed software, and right-click the icon opened on the Launcher to lock the software to the starter or unlock it from the starter. However, there are a lot of software that can be directly decompressed after downloading and

As the name suggests, a message queue is a list of some messages. You can add messages and read messages in a message queue. From this point of view, the message queue has a certain FIFO feature, but it can achieve random query of messages, which

Add GNOME 3 PPA (Personal Package Archives) Let's first give UbuntuSoftware SourcesAdded GNOME 3 PPA.This can be done without using the command line, but it is much easier to do so for the sake of simplicity. Open a new Terminal window and enter the

Vmware tools for linux: http://www.ctdisk.com/file/4757944 and http://www.ctdisk.com/file/4757945Comments: The configuration of Vmware Tools is divided into two parts: one is to install the tool. Second, configure the mouse to solve the problems