Linux

BASIC Organizational StructureThe Linux file system uses an index node (inode) to log file information.An index node is a struct that contains information such as the length of a file, creation and modification times, permissions, affiliation,

Operating levelFirst, we need to know the Linux system's knowledge about the operational level. On different Linux systems, such as Ubuntu and fedora, these numbers may differ from what they represent, but the main ones are the following:

Service side:First take out a piece of partition/dev/sda5# Yum Search Target# yum Install scsi-target-utils.x86_64-y//service-side packages# vim/etc/tgt/targets.conf//Edit the configuration of the server side//share out the name of this partition is

LinuxDFCommand                DF(disk free)Feature Description: Displays information about the disk. Syntax:DF[-ahhiklmpt][--block-size=][-t ][-x ][--help][--no-sync][--sync][-- version][file or device]Additional notes:DFthe file system and usage

See if the JDK is installedIf the JDK version is not currently installed after installation, you will need to uninstall the JDK version that was originally brought with Linux, because the JDK is installed by default after installing REDHAT9, but the

You can use Vmstat to display information such as system load.For example, Vmstat 5 5 means that n (5) samples are sampled in T (5) seconds.Procs:r-->; number of processes waiting in the run queueb-->; number of processes waiting on Iow-->; can

Boot Linux into the Tomcat installation directory/apache-tomcat-6.0.26/bin run #./startup.sh startRun command when you stop Tomcat: #./shutdown.sh startRemotely view Tomcat's console into the Tomcat/logs/folder type directive: Tail-f catalina.out

I'm not going to give you a long-winded look at four examples.1, the hottest and most popular cloud computing technology behind is the virtualization and grid technology, while the virtualization and grid technology is basically the world of Linux,

1. Task One Find all files in the/var directory that are subordinate to root and belong to group Mail [Email protected] ~]# find/var-user root-a-group mail/var/spool/mail/var/spool/mqueue[[email protected]

Linux is an excellent operating system and a multi-user, multi-task operating system. This means that many people will use the same operating system at the same time. At this time, it is critical for a user to protect their privacy.★Users and user

Server:First take out a partition/dev/sda5   # Yum search target# Yum install scsi-target-utils.x86_64-y // server package# Vim/etc/tgt/targets. conf // edit Server Configuration // The partition name is redhat: 1.Backing-store/dev/sda5 /Etc/init.

By default, anonymous users can download the ftp package.You can upload an object anonymously:Anon_upload_enable = YES# Getsebool-a | grep ftpAllow_ftpd_anon_write --> onChcon-t public_content_rw_t pubChmod 775 pubChgrp ftp pub     Anonymous Users

Ubuntu is a free Linux system, so some very good fonts do not exist in the system, in order to make the text better presented on Ubuntu, you can install the font in Windows or in the Mac system to ubuntu. The installation steps are as follows: 1.

It's time to read some serious content in a relaxed mood. This is another article about interview questions. We will show 10 Linux core questions, which will undoubtedly bring you closer to the first floor. 1. You need to define a macro and bind an

Daily monitoring and debugging of Linux system performance is a heavy task for the system and network administrators. Five years after working as a Linux system administrator in the IT field, I gradually realized how difficult IT is to monitor and

Most people query Google when they encounter a word they are not familiar. Or they use a favorite online dictionary to provide answers. What if you have no network connection? Or do you have only one old Linux release and you do not have a GUI? If

Not every Linux administrator knows how to deploy the access control table ACL on the file system to enhance permissions. This situation should change. Under the Basic Linux permission topic, permissions are assigned to the file owner and all file

Linux Command lines provide many commands to kill processes. For example, you can pass a PID to the "kill" command to kill the process. The "pkill" command uses a regular expression as the input, so all processes that match the pattern are

Sometimes new Linux users are very confused when downloading software, because the download page often provides 32-bit and 64-bit software at the same time. So it is very important to know whether your operating system is 32-bit or 64-bit, because

Bkjia: In addition to GNOME's Nautilus and KDE doldolphin, there are also a lot of file management tools. These are great file management tools, but they are usually very clumsy and involve a large number of dependencies. There are some excellent