Summary of four user management for study notes of destiny LINUX

Linux has three types of users: 1: Super User root has all the permissions UID value is 02: ordinary user: With limited operating system permissions UID500---600003: pseudo User: to facilitate system management and meet the requirements of the

Modify IP, DNS, and route settings in linux

Ifconfigeth0 new ip then edit/etc/sysconfig/network-scripts/ifcfg-eth0, modify ip 1, modify ip address [aeolus @ db1network-scripts] $ viifcfg-eth0DEVICEeth0ONBOOTyesBOOTPROTOstaticIPADDR219.136   Ifconfig eth0 New ip Then edit/etc/sysconfig/network-

Linuxredhat9 installation of mplayer source code

1. Required files: 1. All-20071007.tar.bz2 (decoder) 2. Win32codecs-20040703.tar.bz2 (supporting multiple formats of decoder for windows) 3. Divx4linux-20020418.tar.gz (supporting DivX format) 4. Font-arial-iso-8859-1.tar.bz2 (word...   1. Required

Install DNS server under Solaris

I. DNS basics [DNS system (server) working principle and attack protection methodology] DNS: DomainNameSystem, domain name resolution server, its role on the internet is to convert a domain name into an IP address that can be recognized by the

Common vi commands

Vicommandvia.txtuse the vieditor to edit a.txt. if it does not exist, an empty file is created. the default mode is normal. --- a (after the cursor) I (before the cursor) r (replacing the cursor character) o (next line) A (end of line) I (beginning

In linux, if the current display is full path

The default PS1 & quot; [\ u @ \ h \ W] \1 & quot; parameter settings of PS1 in fc, where \ W is the path setting option, W in upper case is the description mode, and w in lower case is the full path mode. if you change it, the PS1 & quot; [\ u @ \

Use rinetd port forwarding in LINUX

Compile # decompress the program to compile and install makemakeinstall2) edit the configuration file vi/etc/rinetd. conf59.33.120.3680192.168.0.7280allow59.33.120. * logfile/var/log/ri... 1) install the software rintedDownload rinetd.tarTar xvzf

Understanding of setuid, setgid, and sticky bits

The setuid and setgid methods are chmod4755program and chmod2755directory. Theoretically, all processes triggered by starting a program should belong to the user of the file. Therefore, setting chmodo + xprogram alone is not enough because it may

Manage Linux commands on the server

1. check whether webshell Trojans are placed in the root directory of the site. determine if they are PHP Trojan scripts based on the statement # find/storage/www/-name & quot ;*. php & quot; | xargsgrep-in -- color & quot; eval (& quot; # grep-I --

Comparison between Linux and doscommands

Command description doscommand Linux command Copy file copycp transfer file movemv list file dirls clear screen clsclear close Shellexitexit display and set date datedate delete file del/rmrm display output on screen echoec... Command

Cluster Generation 2 (LVS algorithm)

When a ctor receives a incoming request and finds that it accesses a cluster service, it selects a backend server node to respond to the request according to a certain standard, this selection mechanism is the lvs scheduling algorithm. (1) Static

Linux desktop icon adjustment

1. the default desktop icon in Ubuntu is a little small, so let's modify it! In Ubuntu system tools-Configuration Manager-/apps/nautilus/icon_view/default_zoom_level is set to small (that is, 75%). The default value is stand... 1. the default

Differences between single quotes, double quotes, backquotes, and backslash in shell

Shell can recognize four different types of leading characters: single quotation mark character & amp; #39; double quotation mark character & quot; backslash character \ double quotation mark character '1. single quotes (& amp; #39; & amp; #39;) #

Basic network configuration in linux

First: use the command to modify (effective immediately, restart failed) # ifconfigeth0192.168.0.1netmask00000000255.0up description: eth0 is the first Nic, and the others are eth1, eth * 192.168.0.1 is the IP address of the first Nic configured for

Lemp installation configuration mysql-5.5.15, nginx-1.0.0, php-5.3.8

1: first download the corresponding software version from the official website. 2: install the required third-party library yum-yinstallgccgcc-c ++ autoconfmakelibjpeglibjpeg-devel \ libpnglibpng-develfreetypefreetype-develzlib \... 1: first

How to build and use samba servers

On windows, you can use a virtual machine to build the samba service for linux as follows: 1. install samba first; 2. configure the server; 3. start the server; 4. access the service in windows; procedure: install samba: 1. first use rpm-qa |

Usage of shell -- tr

Tr is used to delete control characters in a file or convert characters. Syntax: tr [& amp; ndash; c/d/s/t] [SET1] [SET2] SET1: Character set 1SET2: Character set 2-c: complement, use SET2 to replace the character-d: delete not included in SET1, and

Vim batch add and delete comments

Replace command batch comments: Use the following command to add comments to the beginning of a specified line: Starting line number, ending line number s/^/annotator/g uncomment: Starting line number, end line number s/^ annotator/g example:

LINUXLoadRunner performance test (performancetest)

Installing the rpc. rstatd1.rpc service in linux requires the support of rsh. generally, rsh is installed. View rpm-qarsh. 2.rpc.rstatd-4.0.1.tar.gz can be downloaded directly from the attachment in this article, or from the

Install rsync in Linux

1. download and install mkdir-p/root/softcd/root/softwget-cftp: // your 1. download and install Mkdir-p/root/softCd/root/softFtp://ftp.samba.org/pub/rsync/rsync-3.0.8.tar.gz wget-cTar-zxvf rsync-3.0.8.tar.gzCd rsync-3.0.8./Configure -- prefix

Total Pages: 2732 1 .... 1578 1579 1580 1581 1582 .... 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.