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[Translated from mos] in unix/linux, how does one delete a shard by using a File descriptor (File Descriptors) to retrieve the deleted File (Data File or redo log )?Use File Descriptors in unix/linux to retrieve deleted files (Data Files or redo logs)Reference Original:Retrieve deleted files on
Task Manager under Windows is not easy to use (individuals prefer Process Explorer), but it is also convenient to view processes, CPU, memory ... It's also easy to end the processThere is no GUI Linux, there are commands to implement Windows Task Manager function, this command is "top", the user can use top to sort the process, end the process and so on.The top command is a common performance analysis tool
Shell scripts are compatible with linux/unix and windows/cygwin, and are set on notepad: edit-> archive format conversion-> convert to UNIX format. In addition, I think it may be a good habit to display carriage returns and line breaks in my own editor, my "pain" experience (passed string parameters include \ r characters) reason: I need to run shell scripts unde
Tags: LinuxLinuxand theUnixare powerful operating systems, are widely used server operating systems, there are many similarities, and even some people mistakenly thinkUnixand theLinuxThe operating system is the same, however, that is not the case, the following is the difference between the two. 1. Open SourceLinux is an open-source operating system that does not need to be paid for and can be used;Unix is a traditional commercial software that prot
: supported. VSS (shadow copy): supported. License: GPL, LGPL, Apache, Amanda License. Download Link: amanda.org Backupninja-Lightweight backup systemBackupninja is an easy-to-use backup system. You can simply drag and drop a configuration file to the/etc/backup.d/directory to back up to multiple hosts. Operating system: Support Linux,unix. Backup level: Supports full, differen
+ secureCRT, write a c ++ program on unix to call occi to connect to a remote database server. Therefore, the focus of the description is the work of the latter two. For secureCRT (which can be another ssh tool) to connect to unix, you need the IP address, user name, and password of the unix host. All of the following work begins with logging on to a
Have the ability to come out, do not have the ability to be a turtle!If let me answer about the process stack, line stacks problem, as long as the problem is not general, as long as the problem is clear, I will lay it on to answer, the correct rate on 90%, however, sadly, the problem is often not so clear, so the game to this end!! 艹. But if you give me a chance to ask a question, I'll question the questioner, and remember to answer it with your poop:The Uni
This book from the Unix/linux system of raw logs (raw log) collection and analysis, and gradually into the log audit and computer forensics link. The book provides a number of cases, each case with a vivid note of the network after the invasion, management personnel to carry out the process of system forensics and recovery, case analysis techniques with the storyline, so that the reader immersive to test th
Unix/Linux Command memorandum, unixlinux Memorandum Arp: The ARP cache contains one or more tables used to store IP addresses and resolved MAC addresses. // Extract all Bound0 ip and mac Information Arp-n-I bond0 | awk '$5 = "bond0" {print $1, $3 }' Sed: used to edit the text in a document or string through a series of commands // Read a single row of data
Article Title: Linux and Unix file system backup and recovery methods. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. Backup target: User File or entire File System Key backup Prob
From now on, to set a task for themselves, every day to see a section of the "Unix/linux System Management Technology Handbook 4th Edition", the Chinese and English comparison to see, in order to strengthen their English reading ability!2016.8.8 16:30-17:30Section One BASIC administration1 Where to StartThe first part of basic management technologyWhere to start in the 1th chapterAn awful lot of
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1. Check the compilation options, enter the bin directory, and execute file a. Out to check whether the compilation is 32-bit or 64-bit! 2. Check whether the environment variables are set successfully. You can use the echo command, for example, Echo $ path. Of course, you can also use the echo % PATH % command on the win system to view the environment variables! 3. When compiling multiple files, make sure that the file name is correct due to the frequent use of copy/paste! 4. The use of
is 128 bytes, and one inode is set per 1KB, the Inode table will be about 128MB in size, accounting for 12.8% of the entire drive.You can use the DF command to view the total number of inode per hard disk partition and the quantity that is already in use. Df-i view the size of each inode node, you can use the following command: sudo dumpe2fs-h/dev/hda | grep "Inode size" because each file must have an inode, it is possible that the inode has been exhausted, but the hard disk is not yet full. At
This series is called Naïve Unix, but also includes the details of various Unix-like systems, this series of articles collated from my years of study notes, focusing on the implementation of UNIX, Unix-like ideas and sentiment.This article is relatively short, just analyze a Linux
Article Title: solutions to password loss for various types of Unix and Linux. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. 1. How to Deal with the forgotten SolarisROOT Password
There are several issues to be aware of when programming under Unix/linux (especially in the IDE or programming tools running on Windows):1. Capitalization issues.In the naming rules of a file or directory, pay particular attention to the case-sensitivity of the hump-naming method. There are also internal variables or references in some languages.2. Permissions issues.Do not manipulate the file system arbit
UNIX is the best server in the world. Currently, the lowest chance of server startup in one year is openserver, UNIX generally crashes after 40% more time than Linux does. The probability is only 1/3 of that of Linux, but it is very expensive.But Linux is not cheap, just
, Socket_stream, 0, FD);//Create pipeline if (PID = fork ()) = = 0) {//Sub-process close (fd[0]);// Close the parent process side of the pipe dup2 (fd[1], Stdout_fileno);//Sub-process end of the replication pipeline to standard output dup2 (fd[1], Stdin_fileno);//Sub-process end of the replication pipeline to standard input Close (fd[1]);//Turn off replicated read Pipelines/ * use EXEC to execute commands */} else {//parent process clos
Original URL: http://blog.csdn.net/kobejayandy/article/details/13291525Q: I pass a text file to Linux in Windows via FTP, but after opening the text file, each line has a ^m flag at the end. Because of the long, with the editor to remove too much trouble, what is the solution?A: In order to solve this problem, Linux has a special two tools to swap Windows format and Lin
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