How to set the running level and boot loader path in ubuntu

Linux operating level 7: 0: direct system shutdown 1: Single User Mode 2: consistent with Level 3, but no NFS service 3: complete Plain text mode with network functions 4: System reserved function 5: similar to running level 3, but using XWindow6:

Install PHP accelerator Xcache in Linux

XCache is a fast and stable PHPopcoolcode cache. it has been well tested and runs stably on high-traffic/high-load production machines. tested (on linux) and supports the latest versions of all current PHP branches, such as

One-day study of disk quotas on Linux RHEL6

In a production or work environment, you may encounter the following situation: in a multi-person, multi-task environment, multiple people share a disk space, some people may put a lot of or a lot of files in the same space, resulting in a sharp

One day, learn about RHEL6 system process management in Linux. Process 2: observe ps commands.

Common parameters: a displays all processes of all users (including other users), u displays processes by user name and start time, and x displays processes of uncontrolled terminals; e. display all processes, including uncontrolled processes; f.

Use SecureCRT to upload and download files

The file transfer protocols under SecureCR include ASCII, Xmodem, Ymodem, and ZmodemASCII: this is the fastest transfer protocol, but only supports transferring text files. Xmodem: This old transmission protocol is slow, but the CRC error detection

Vim basic commands

I read some documents and summarized some basic Vim commands suitable for programmers. they are not very complete, but at least practical... All are the most basic vim tutorials. open the terminal under fedora. Input vimfilename to enter the vim //

Use lftp for upload and download on Linux

Upload the temp folder lftp-c & amp; #39; mirror-R/opt/tempftp: // user: password @ ftpserver/temporary-oftp: // user: password @ ftpserver /&   Upload the temp folder in the current directory Lftp-c 'mirror-R/opt/temp ftp: // user: password @

Ubuntu software package system damaged

Codeblocks is not successfully installed, and cannot be uninstalled. the software cannot be installed or uninstalled. the software package system is damaged. check whether the third source is used. Disable them if they are, because they are usually

Qmail message queue repair tool

Qmqtool-1.14.gz Download link: buy   Qmqtool-1.14.gz Download link: Http://linux.softpedia.com/get/Communications/Email/qmqtool-8440.shtml # Tar zxf qmqtool-1.14.gz #./Configure # Make & make install     Stop qmail # Service qmail stop Stopping

Notes on integration of apache and tomcat in CentOS

Installation of apache: Unzip: tarzxvfhttpd-2.2.21.tar.gz rename: mvhttpd-2.2.21apa.   I. preparation   Download httpd-2.2.21.tar.gz   Download apache-tomcat-7.0.23.tar.gz   Download tomcat-connectors-1.2.32-src.tar.gz connection   II. Installation  

Use MMAP for inter-process communication in Linux

At the operating system level, the virtual address space seen by each process is independent and there is no intersection between them. Therefore, you need to map different virtual addresses of multiple associated processes to the same physical

How to decompress or compress files in linux

We often encounter decompression of large *. zip files under linux. generally, winrar is often used to extract files directly in smb, but there may be a long decompression time and sometimes network errors. Therefore, I checked the linux

How to switch the newly installed Ubuntu to the root

In Ubuntu, switching between root users and user users is a popular Linux system recently, because Ubuntu does not start root users by default. now we will introduce how to enter the root user. (1) switch from the user to the root user, whether

Copy files (scp) to remote servers through ssh in linux command lines

If you often need to copy files from one server to another, you need to use the remote replication command scp, for example, from the logged-on server 1 (192.168.1.1) copy/usr/a to the/usr directory of server 2 (192.168.1.2). The command is as

Compile android source code 4.0.3 in Ubuntu11.10

In the previous articles, I introduced the android source code download method under UbuntuLinux, the Eclipse development environment for android under Ubuntu11.10, and some problems encountered during the configuration process, this article will

Vi editor usage

Vi is a screen editor provided by all UNIX systems. It provides a Windows device that allows you to edit files. Of course, people who know a little about UNIX systems think that vi is super difficult to use, but vi is the most basic editor. after

Solution for garbled pdf software with poppler as the backend (okular, epdfview, evince ...)

Note: Because the pdf functions of okular, epdfview, and evince are provided by the poppler branch of xpdf, these software is called by poppler here. I have not tested it in kpdf, because I am using okular directly now. Poppler official website:

LINUX study notes 15 -- inter-process communication 4 Message Queue

A) essence: message linked list B) classification: 1. POSIX message queue: Port Operating System Interface 2. system V: as the kernel continues, it will be deleted only after kernel restart and manual deletion. Each message queue corresponds to a

Linuxquota disk quota

Quoto: Disk quota: limits the usage of a user on a disk! Limited space size. limited file quantity soft limit, hard limit soft limit: gracetime, can exceed the disk quota within a certain period of time! Hard limit: you cannot exceed the disk quota!

View CPU temperature in LINUX

In Linux, you can use lm_sensors to view the CPU temperature (of course, your hardware must support it first). to use this function, you must support kernel-related modules (such as I2C, next let's talk about the operation method: first check

Total Pages: 2732 1 .... 580 581 582 583 584 .... 2732 Go to: GO

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.