Cloud Applications

Design a prompt menu for user selection, and perform operations and display based on user selection. Menu: 1. start vi editor 2. start x-windows and enter the GUI 3. start the background printing process. 4. exit ctrl + c #! /Bin/bash // indicates

(1) Linux distribution companies: redhatsuseredflag (2) storage media: the Iide interface is automatically recognized as/dev/hdaScsi interface and/dev/sdaStata (serial hard drive) the soft drive is automatically recognized as/dev/fd0Usb and

Section 1 VPN introduction and its classification 1PPTP-BasedVPNPPTP (PointtoPiontTunnelingProtocol) is a Microsoft-initiated protocol that can work on multiple Microsoft operating systems, including Windows 95. although it has been used for a long

II. RSA authentication method (I). net-to-net connection method 1. Leftnetwork & amp; szlig; --- & amp; agrave; leftGateWay & amp; szlig; ----- | ------ & amp; agrave; RightGateway & amp; szlig; ---- & amp; agrave; Rightnet   II. RSA authentication

One of the highlights of linux is open-source. compared with Windows, we can use more imagination on linux to build a linux system with its own characteristics, first, we start with creating the most basic micro-linux system. through the experience

Blkid is used to view the unique identifier UUID and file system of the hard disk. when the file system is not specified during mounting, the system will automatically use blkid to detect the file system used by the partition to be mounted. Mke2fs-b

Linux kernel is the core of the system, so upgrading the kernel is a basic skill of the Linux system administrator. so I shared an article on system O & M practices, of course, I have added some content to the source file, that is, I have added the

In a production or work environment, you may encounter the following situation: in a multi-person, multi-task environment, multiple people share a disk space, some people may put a lot of or a lot of files in the same space, resulting in a sharp

Linuxnice command function description: set priority. Syntax: nice [-n & lt; priority level & gt;] [-- help] [-- version] [execution command] Supplement: nice commands can change the priority level of program execution. Parameter:-n & lt; priority

During the work test, the software implements a routing forwarding function and requires relevant configuration tests. The actual situation is as follows: PC1 is CentOS5.5 and has two NICs eth0 and eth1. Eth0 Internet, assuming 75.58.2.1; eth1

From now on, learn nginx # install pcre [root @ svr3 ~] #Tar-xjfpcre-8.02.tar.bz2-C/usr/src/[root @ svr3 ~] # Cd/usr/src/pcre-8.02/[root@svr3pcre-8.02] #./configure & amp; make Learn nginx from now on# Install pcre[Root @ svr3 ~] # Tar-xjf pcre-8.02.

If the installation directory of apahce is/usr/local/apache start:/usr/local/apache/bin/apachectlstart stop:/usr/local/apache/bin/apachectlstop restart: /usr/local/apache/bin/apachectlrestart, If the installation directory of apahce

Put the downloaded file under/root/, decompress it, and generate the firefoxfolder tarjxvffirefox-latest.tar.bz2 to the specified directory, the/usr/lib/has the original default version of firefox-3.0.5 cp-r/root/firefox // usr/lib/next step is to

For automatic logs of nginx variables, note the following when using automatic logs: 1. nginx log directory permission. take my installation path as an example/usr/local/nginx, then, my log directory is in/usr/local/nginx/logs. if the automatic log

Linux is an excellent open-source operating system that allows you to mount disk image files, mobile hard disks, USB flash drives, Windows, and NFS, it can run on various computer systems from the largest to the smallest. with the increasing

I learned how to get started every day. I cheated on the book & quot; unix Super Tool & quot; from mmmmn yesterday and understood a problem that I had been puzzled for many years, now, when you talk to skilled UNIX users, you will often hear them

The linux server rented by a friend cannot enter the system when it is restarted. stay on this page: Restart the server, use the RHEL5 CD, and set the boot from the optical drive, enter linuxrescue in rescue mode to enter rescue mode. use # The

EnvOS: centos5.4finalftp: vsftpd-2.0.51, you can first create a user through newusers or scripts, the required user name needs to be written in a document in advance in the format of one per line, then, execute useradd. shUseradd. sh content :#!

I. There are 7 running levels in linux. they are: 0halt system shutdown status 1singleusermode single user mode 2multi usermodewhitoutnetwork no network multi-user mode 3multi usermode normal mode 4multi userm... I. There are 7 running levels in

Configure dhcp server 1. create the disk mount location mkdir-p/media/cdrom2, mount/dev/cdrom/media/cdrom3, and enter cd/media/in SERVER mode/ cdrom/Server4, view the DHCP file lsdhcp * 5, cp file /... Configure DHCP server1. create the disk mount