Linux

1. Prepare and download the required files. It is assumed that JDK has been correctly installed and configured. Download the required files from the Apache Official Website:

You can add and hide permissions to files with special requirements (such as server logs. These hidden permissions include: Append only (), Compressed (c ), No dump (d ), Immutable (I ), Data journalling (j ), Secure deletion (s ), No tail-merging

ReiserFS is a very good file system. It is also one of the earliest log file systems used in Linux. The developers of ReiserFS are very ambitious, and the entire file system is completely designed from scratch. At present, ReiserFS can easily manage

The SNMP command is a shortcut for operating SNMP in Linux. Simple Network Management Protocol (SNMP) is a Simple Network Management Protocol. It provides a framework for the Network Management system to manage the underlying Network. The SNMP

The Simple Network Management Protocol (SNMP) is first proposed by the research team of Internet Engineering Task Force (IETF) to solve the router management problem on the Internet. In versions earlier than version 3, SNMP only implements simple

We understand the SNMP implementation method. To provide a means to traverse the management information library, SNMP uses a tree-like naming method in its MIB to name each SNMP management object instance. The name of each object instance is

In the Internet, we use the POP port to provide the mail receiving service and the SMTP port to provide the mail sending service. That is to say, when the client's email sending and receiving systems want to send the mail, Sendmail configures the

The Tcpdump command of the Linux network performance debugging tool is used to monitor TCP/IP connections and directly read data headers at the data link layer. You can specify which data packets are monitored and which control formats are to be

Linux download tool Wget is a very common command line download tool. Most Linux releases contain this tool by default. If not installed, you can download the latest version in http://www.gnu.org/software/wget/wget.html and compile the installation

When we run the free command to view the idle memory of the machine, we will find that the free value is very small. This is mainly because there is such an idea in linux, the memory does not need to be white, so it tries its best to cache and

After the rsync server configuration is complete, the next step is to issue the rsync command on the client to back up the files on the server to the client. Rsync is a very powerful tool, and its commands have many special options. The following

Cacti is a set of graphic analysis tools for network traffic monitoring developed based on PHP, MySQL, SNMP, and RRDTool. Cacti Chinese version uses snmpget to obtain data and use RRDtool to draw images. You do not need to understand the complex

Find the start partition according to the information provided by mbr during startup and load the grub core File core in the partition. img and configuration file grub. cfg: Enter the menu screen. On the menu screen, press the up and down arrow to

The system calls accept (), which is a bit odd! As you can imagine, someone connects (connect () to your machine from a long distance through a port you are listening on (listen. Its connection will be added to the queue waiting for acceptance

What is ACPI: ACPI Advanced Configuration & Power Interface ContentsACPI stands for Advanced Configuration and Power Interface, which means "Advanced Configuration and Power Interface ". This is a power management standard jointly developed by Intel,

Debugging Linux applications on zSeries is similar to debugging Linux applications on other architectures. The biggest challenge for experienced Linux developers is to understand the new system architecture. It seems a daunting task for mainframe

Speaking of the Linux file system, it is still a little unfamiliar for beginners who have just been familiar with Linux. In fact, it is not difficult to understand his definition and master his usage methods. In the following sections, you will

BKJIA exclusive Article: from Ext to Ext2, from Ext2 to Ext3, and later Ext4 or later versions, Linux has always been known as a powerful, rich, and complete log system. By managing logs, you can clearly understand the operating status of the system,

1.1 prerequisites A.LinuxKernel> = V2.4.0-test8 B. cdrecord V1.10a4 (http://www.fokus.gmd.de/research/cc/glone/employees/joerg.schilling/private/cdrecord.html) C. usbmgr V0.3.5 (http://www.wonder.ne.jp /~ Shuu/usbmgr /) D. modutils-2.3.15 or updated

LinuxIs a multi-user operating system. To use this system, you must firstLoginSystem, requiredExitSystem. This chapter describes how to log on to and exit the system. When a user logs on to the system, the user name and password must be entered to