Cloud Applications

Cacti is an open-source network monitoring tool. based on the good drawing function of Rrdtool, it can perfectly monitor the status and load of the host. after adding the corresponding template, it can be used to monitor the running status of the

Both the Linux/etc/group file and the/etc/passwd and/etc/shadow files contain files related to the system administrator's management of users and user groups. The linux/etc/group file is a file on which the system administrator manages users and

The rcp command is used to remotely copy files or directories. for example, if you specify more than two files or directories at the same time, and the last destination is an existing directory, then it copies all the previously specified files or

Common shutdown and restart commands in Linux include shutdown, halt, reboot, and init, which can be used for shutdown and restart. However, the internal working process of each command is different, next we will introduce them one by one. 1.

This article mainly introduces the summary of replacing the string with the sed command in Linux. it is a personal summary. if you need it, refer I recently wrote several small scripts and used the sed command. I learned it and noted it down by the

No suitable tool was found in linux. stream processing tools such as sed/gawk can only process one row but cannot find rows with duplicate fields. It seems that I had to use a python program, and suddenly remembered to use mysql, so I made a data

I. Overview The read command receives input from standard input (keyboard) or other file descriptors. After the input is obtained, the read command puts the data into a standard variable. II. example (only some common options are listed here) 1.

This article describes how to find executable files in linux. For more information, see Search for executable files in linux Ls-F | grep "*"That's all! Ls-F | grep/$ Ls-F means to classify files by type and add/* and other symbols at the end.|

This article will show you how to install the steamos session on Ubuntu14.04 to enable the user's SteamOS big Image mode to enter the label directly from the lightdmGTK: Ubuntu SteamOS is an open-source, game-optimized operating system based on the

This article describes how to obtain and view uuid in ubuntu. For more information, see the following tag: Ubuntu. 1. using UUID to identify a hard disk has many advantages. it is the unique code of a hard disk, so when the position of the hard disk

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? Tag:

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

With securtCRT, the linux command sz can easily download files from the server to the local device. The rz command uploads local files to the server. Here, I use the following methods for understanding and memorizing sz and rz (because it is often

This article describes how to change the number of opened files in linux. content related to linux file descriptors can be found Operating system version: Redhat 5.4Problem background: in Tsung stress testing, if you want to create as many tcp

This short tutorial will demonstrate how to install the latest Java SDK 8 released by Oracle in Ubuntu. The method used here is to teach you how to download the installation package from the download page, and then install the package in Ubuntu

Many new users do not know how to crack the root password of CentOS? In fact, it is not difficult. after the boot, press any key during the countdown and jump to the screen, and then press the E key. the following operations can be viewed in this

& Nbsp; you must have an account on workstation before using UNIX. When login appears, enter the account name and password. now you have completed the login operation and entered UNIX. After entering, the system will start the shell, which will

First, use a tool to find your target. Such a tool can be easily found online. & nbsp; a famous tool is mscan. as for its usage in its own README, I will not explain it in detail. of course, it is in English & nbsp; mscan will help you find some

Source: CCID 1. call voidmtrace (void) (in mcheck. h? With declaration ). mtrace installs hooks for functions such as malloc to record memory allocation information. voidmuntrace (void) is called at the end of the code that requires memory leak

Source: modify the/etc/sysconfig/iptables file to modify the firewall configuration. if you want to open a port, add one to it. -ARH-Firewall-1-INPUT-mstate -- stateNEW-mtcp-ptcp -- the dport1521-jACCEPT is ready, where 1521 is to be opened Source: