Note: In general, if we use shell to call your application, or how do you call your application?ProgramNote that the path at the moment is the path of your called program.
Paths are classified into absolute paths and relative paths:
Absolute
Write while reading.
1. Create a userUseradd-m-D/home/Tom-G Oracle-M: create a home directory for the user and copy the files in/etc/skel to initialize the directory. -G indicates joining a user group.The user's default settings are stored in
User space and kernel space---------------------------
Linux is a protected operating system. It has been working in i386 CPU protection mode.
The memory is divided into two units: the kernel area and the user area. (Translator's
USB device detection is also performed through the USB file system under the/proc directory. To enable a USB device
The USB Bridge module must be inserted into the system. At the beginning of the check, it is generally necessary to
II,
LinuxDriver frameworkLinux regards all external devices as a special type of files, which are called "Device Files". If a system call is an interface between the Linux kernel and applications, the device driver can be seen as an interface
This chapter describes the Linux core interrupt handling process. Although the core provides general mechanisms and interfaces for interrupt processing, most of the interrupt processing details are related to the CPU architecture. Recommended: to
Now the security of the system is becoming more and more important. Here I want to take some of the Linux
Write down the basic security measures below to discuss with you and make our Linux system reliable.1. BIOS Security Settings
In most cases, Linux acts as a DHCP server and Windows 95/98 acts as a DHCP client.
Linux can also be used as a DHCP client, that is, you need to install the dhcpcd RPM package, Linux as a DHCP server, you only need to install the
Aplix announced today that it has moap (l) with NEC Corporation (Headquarters: Tokyo Gangnam; President: Kaoru Yano) and Panasonic Mobile Communication Corporation (Headquarters: Yokohama; President: Yoshiaki kushiki) A license agreement is reached
In Unix systems, the only way to create a new process is to call the system call.
Fork. Call
ForkThe process is called
Parent ProcessThe newly created process is called
Sub-Process. Syntax format of system call:
PID = fork (); called
[Original] How LoadRunner monitors Linux system resources
I. Description: the following error is prompted when LoadRunner monitors Linux resources:
Monitor name: Unix resources. cannot initialize the monitoring on 192.168.52.189. error while
[Original] Introduction to the stress testing tool webbench in Linux
1Installation steps:
# Tar zxvf webbench-1.5.tar.gz# Cd webbench-1.5# Make & make install
[Root @ localhost ~] # Tar-zxvfWebbench-1.5.tar.gz
The following information is
After the Linux system is installed, configure the nic ip address in command mode.The configuration file is usually/etc/sysconfig/network-scripts/ifcfg-interface-name
1. Configure the nic ip Address
VI/etc/sysconfig/network-scripts/ifcfg-eth0
#
1. Go to http://nodejs.org/download/download an installation package and upload it to a certain path of the system.
2, tar xvf node-v0.10.4.tar.gz
3. CD node-v0.10.4
4. Check the required configuration
#./Configure
Error message:
Exception:
After useradd a user, modify the user line in the/etc/passwd file and change the UID to 0 and the GID to 0 (the *** represents a user name) in this way, *** has the root permission.
For example:Root2: X: 0: 0:/home/root2:/bin/bash[User name]:
/Sbin/service crond start // start the service
/Sbin/service crond stop // close the service
/Sbin/service crond restart // restart the service
/Sbin/service crond reload // reload the configuration
You can also enable the service automatically when
Fread and fwrite Functions1. Function FunctionsUsed to read and write a data block.2. General call formFread (buffer, size, Count, FP );Fwrite (buffer, size, Count, FP );3. Description(1) buffer: A pointer. For fread, It is the storage address for
TCP Concurrent Server programming is essential for network services. TCP concurrency usually has several fixed design patterns. They have their own advantages and applications. The following briefly discusses the differences between these modes:
1.
Environment: XP host + vmvm + fedora9
First, let's talk about some real things. To automatically mount your shared folder on XP after the VM is powered on and started, you can do this:
Vim/etc/rc. Local
Write the script you want to process or the
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