Sendmail is the most important mail transmission agent. Understanding the working mode of email is very important. Generally, the email program is divided into user agents, transmission agents, and delivery agents. The specific command to Disable Sendmail is as follows:
Disable sendmail
1) [root @ sample ~] #/Etc/rc. d/init. d/sendmail stop messages disable t
With the help of the system's built-in settings, the USB is disabled, so that no one has the opportunity to use U disks, mobile hard disks, and other rotating in their own computers, thus achieving the goal of self-protection. The method to block all USB storage devices out of the door is simple: Press win + R to open the run dialog box, enter regedit, and press enter to openRegistryEditor, expand to HKEY_LOCAL_MACHINE \ SYSTEM \ CurrentControlSet \ Services \ usbstor in sequence. If the START
RedHat 5 Disable Ipv6
IPv6 has not been fully popularized yet, but IPv6 is effective after the system is installed, which affects network performance to a certain extent. Therefore, we recommend that you disable IPv6. Now we will describe how to disable it in the complete steps in this article.
1. Modify/etc/sysconfig/network and change the second line to no:
NET
Disable auto completion and Input Method favorites in HTML
IE provides an Automatic completion function to remember the input content (such as the login account), so that you can quickly enter similar information next time. this is indeed a very friendly feature. during operation, you only need to double-click the text box or enter the first few characters. The system will automatically list the previous input history for you to choose from, this grea
Under certain conditions, you may need to avoid verification. For example, you may have a page that can be sent even if the user does not correctly fill in all verification fields. You can setASP. NETServer Control, instead of client verification.
Security description: By default, ASP. NET The webpage performs request verification to ensure that the user input content does not contain scripts or Html Element. You can explicitly disable this fu
Enable Nginx to disable the version display information. Nginx will display a highlighted version number prompt in the http header or when an error page appears. To ensure security, you can disable this information. The method is very simple, just in nginx. the server_tokens parameter is added to the http {of conf, for example... enable Nginx to disable the versi
In earlier versions, the command to disable services such as firewall is serviceiptablesstop/etc/init. d/iptablesstop in RHEL7. In fact, this service does not exist [root @ rhel7 ~]. # Cat/etc/redhat-releaseRedHatEnterpriseLinuxServerrel
In earlier versions, the command to disable services such as firewall is
Service iptables stop
/Etc/init. d/iptables stop
In RHEL7, there is actually no such service
[Root
Check what services are running on the port lsof-I: 123. this 123 indicates the port number you want to view. disable ports not commonly used in LINUX and disable Port 111/etc/init. d/portmapstop close port 25/etc/init. d/sendmailsdrop disable port 631/etc/init. d/cupsstop close 9... view the services running on the port
Lsof-I: 123 this 123 represents the port n
In the XP system, if you insert a mobile device, such as a USB flash drive or a mobile hard disk, the system will automatically search for media files and play back the files. If you want to disable the automatic playback function of Windows XP at one time, follow these steps:
1. Click Start> Run. In the open box, type gpedit. MSC and click OK to open the Group Policy window;
2. In the left pane, under "Local Computer Policy", expand "Computer Confi
There are two methods for C to disable socket: 1. Shutdown # Include Int Shutdown (INT sockfd, int how ); There are three methods for how: Shut_rd (0): Disable the READ function on sockfd. This option does not allow sockfd to perform read operations. Shut_wr (1): Disable the FD write function. This option does not allow FD to write. Shut_rdwr (2):
Just finished a project, in the test has a problem: because of the existence of multithreading, when the speech recognition: If the user clicks on the Program Interface button or other to accept the Click event will signal the widget, the program will crash! Later try to solve from the multi-threaded, but more difficult, and then only from another way to solve, that is: when the speech recognition: Disable all user action!The so-called
Disable system home in android 4.0
2.2 disable the system home key.
Recently, the project has a requirement to disable all system keys, such as menu, home, and back. At the same time, you also want to click the response and view pop-up. That is, the UI part should be normal.
The back key is disabled by onKeyDown.
I personally think that the simplest writing metho
Disable the return key for android detailsIn today's project, you need to use the return key in your own actionBar. The method used is the method of My Father activity recorded last time.
Android. support. PARENT_ACTIVITY
For more information, see: http://blog.csdn.net/yiding_he/article/details/38410151
(Menu in android details: invalidateOptionsMenu)
The problem today is to disable the system's return
When you set up gzip, you find that you have a deflate compression setting at the same time, and you do not understand deflate compression at first, so that deflate compression is enabled while Gzip is enabled. While setting gzip and deflate compression does not affect the proper functioning of the site, the answer returned when the site is checked for gzip is enabled. But can we not set deflate compression? Or, do you need to disable deflate compress
How does android disable the home location of the incoming call number?MTK Platform numbers can be divided into two types: 1. Mobile phone numbers are located at the location; 2. Fixed phone numbers are located at the location; Mobile phone number:MTK does it by itself. to disable the option, you only need to disable MTK_PHONE_NUMBER_GEODESCRIPTION;The path of th
IE provides an AutoComplete feature that remembers what we have entered (such as a login account), and facilitates the next quick entry of similar data. This is really a very friendly function, in the operation only with the mouse double-click the text box or enter the first few characters, the system will automatically list the previous entry history for you to choose, greatly improve the speed and accuracy of the entry. It is believed that most IE users have this feature enabled.However, as a
Recently, security personnel fixed an older vulnerability in Linux ASLR that would disable ASLR by setting the Rlimit_stack resource to "unlimited", with any user with 32-bit application permissions on the x86 device.The vulnerability CVE number is CVE-2016-3672,CNNVD number cnnvd-201604-092.2cto Small Science:ASLR) is a buffer overflow security protection technology, through the heap, stack, shared library mapping and other linear zone layou
Disable Binary stripping in Rpmbuild excerpt from: http://livecipher.blogspot.com/2012/06/ disable-binary-stripping-in-rpmbuild.htmlstripping binary files in Rpmbuild
RedHat Package Manage
When we create an RPM using Rpmbuild, the binary files is stripped. The intention is to reduce the file size, without affecting the functionality.This is the default setting, con
How to disable the redundant virtual network card that is hidden in the computer
1, right click on the computer (My Computer/this computer), choose "Management", open Computer Management;
2, then open the "Device Manager", expand the "network adapter", you can see all the network card;
3, right click to select "Disable", you can not need to
We all know, modify the registry can prohibit others in the computer to use U disk, but if you do not want to prohibit, we have to modify the registry, which is undoubtedly a very waste of time and energy. In fact, we can simply "Disable/enable U disk" to add to the "My Computer" menu, so that we can more easily change the U disk settings. Now, let's do the following.
Click Start/Run, enter "regedit" in the Run dialog box, and press ENTER. After open
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