"Translated from MoS article" using file descriptor (filename descriptors) in Unix/linux to retrieve deleted files (data file or redo log)

Use file descriptors in Unix/linux to retrieve deleted files (data file or redo log)Reference text:Retrieve deleted files on Unix/linux using File descriptors (Doc ID 444749.1)Suitable for:Oracle database-enterprise edition-version 8.1.7.0 to 11.2.0.

Create a bootable USB drive system under Linux and use the DD command for Linux Ghost

1. Create a bootable USB drive system with ISO.1.0. Format USB flash drive to FAT32 formatCommands can be used under Linux:Mkfs.vfat device path for USB flash driveLike what:Mkfs.vfat/dev/sdbThe path of the U disk can be viewed by command DF

B2G (Firefox OS) installation, compilation, test tutorial collection in Linux and Ubuntu environments

1 Testing the Firefox OS (B2G) system on Ubuntu The Firefox OS, project codenamed "Boot 2 Gecko", is an open, fully web-based, smartphone operating system developed by Mozilla. The underlying Firefox OS is Linux, an open web technology,

Puppet simple application of Linux operation and maintenance Automation (I.)

I. Overview of PupperPuppet, this is the current operation and maintenance of the mainstream automation tools, most operations managers have heard, or in use and in the consideration of use. Puppet can cooperate with Cobbler,puppet can also be

How to load a USB flash disk, a CD, and a floppy disk in Linux

I,LinuxLoadUSB flash drive How about LinuxLoad(Excellent) USB flash drive Step 1: Log On As the root userFirst load the USB Module modprobe USB-storageUse fdisk-L to check disk devicesAssume that the USB flash drive is SDA.Step 2: confirm

Linux mailbox server configuration: How to enable outlook to send and receive mails and how to control relay

This article based on the previous article base address: http://blog.csdn.net/deansrk/article/details/6717720   Receive emails using Outlook 1. First, check the owner and group of the files in the mailbox directory. [root@mail ~]# ll

Configure the Dynamic DNS service in Linux

Configure the Dynamic DNS service in Linux In network management, DNS service management is a basic task. As the number of users expands, it is not easy to manually modify the DNS regional database files. The Research on Dynamic DNS has gradually

Socket network programming in linux

Network Socket data transmission is a special type of I/O, and Socket is also a file descriptor. Socket also has a function called Socket () similar to opening a file. This function returns an integer Socket descriptor, and subsequent connection

[Linux & amp; Unix -- open/close/write/read System Call], linux operating system

[Linux & Unix -- open/close/write/read System Call], linux operating system If you have any shortcomings, please kindly advise. Reprinted Please note: @ CSU-Max Series of blog posts: Linux and Unix -- file descriptors and permissions Second play

Complete Guide to Linux server security audit tools and procedures

BKJIA: Many Linux servers are not new machines just deployed. Professional Linux system administrators perform regular maintenance, IT technicians often need to take full responsibility for the security of their servers. If your server is intruded,

Ubuntu8.04 how to install adobe flash player

Ubuntu8.04 how to install adobe flash player my host is 32-bit. When installing the ubuntu8.04 virtual machine, add the adobe flash player Plug-in to firefox. After downloading it on the official website, you cannot install it. After searching for a

Ubuntu tutorial-automatic backup of Ubuntu 14.04 to Box cloud storage

Now you have upgraded or installed Ubuntu 14.04, but there is another thing you need to do to protect your new system: backup! Ubuntu has a built-in Backup Tool named D é j à Dup Backup Tool. It allows you to back up your system and save it locally

Several Methods for installing Memcached + memcached extension in linux-CentOS6.4 + installing memcache extension + Memcache synchronization SESSION

I. Prepare the compiling environment. yum install gcc-c ++ libstdc ++-devel yum install zlib-devel 2. Prepare the wget http://monkey.org in the source package /~ Provos/libevent-1.4.14b-stable.tar.gzwget

How to install the Nvidia 337.12 Beta graphics card driver in Linux

The NVIDIA 337.12 beta driver Linux support version was recently released. The following GPU support is added: geForce 830 M, GeForce 840 M, GeForce 845 M, GeForce GTX 850 M, GeForce GTX 860 M, GeForce GTX 870 M, GeForce GTX 880 M, GeForce GT 705,

Comparison of apt-get, aptitude, and synaptic software management tools

Apt-get, aptitude, and synaptic software management tools are compared. 1. What is apt-get? Apt-get is a linux Command, applicable to deb package-managed operating systems. It is mainly used to automatically search, install, upgrade, and uninstall

In-depth Linux PAM Architecture

This article describes the concept of Linux-PAM and analyzes the architecture of Linux-PAM with readers. The author hopes to help readers better understand Linux-PAM, in order to have a deeper grasp of it. 1. What is Linux-PAM? For security reasons,

[O & M engineer _ 06] uses sniffer to diagnose Linux network faults

[O & M engineer _ 06] uses sniffer to diagnose Linux network faults[O & M engineer _ 05] System Security Inspection tool-nmapHttp://www.bkjia.com/ OS /201304/200744.htmlO & M personnel, good or false, such as sniffer)Sniffer is a double-edged sword

Install Apache2 + PHP5 + MySQL (LAMP) on Fedora 11)

LAMP is short for Linux, Apache, MySQL, and PHP. This tutorial will teach you how to install Apache2web SERVER + PHP (mod_php) + MySQL on a Fedora 11 server. I have tested it correctly. You can use it with confidence.1. Preface In this tutorial, the

CentOS + rar + unrar installation and usage

  Write down the two most common rar commands Package the www.2cto.com directory as www.2cto.com. rar   # Rar wwww.2cto.com. rar./www.2cto.com/ Decompress andy.rar to the current directory   # Rar x www.2cto.com. rar CentOS + rar + unrar

U-Boot command (function parameters and usage)

After U-Boot is powered on, press any key to exit the Automatic startup status and enter the command line. DRAM: 64 MB Flash: 2 MB NAND: 64 MiB In: serial Out: serial Err: serial Net: CS8900-0 Hit any key to stop autoboot: 1 At the command line

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