Cloud Applications

How to set up an ftp server in centos 1. check whether vsftprpm & amp; ndash; qa | grepvsftpd has been installed with the vsftpd-2.0.5-16.el5_5.1 if a vsftpyum-yinstallvsftpd2 appears. test whether the installation is successful (change the ip

Let's give your shell a bit of color. to avoid setting for every user, directly modify the/etc/profile File 1. add three lines in Linux: Give your ls a color [html] aliasls & amp; #39;/bin/ls -- colorauto & amp; #39; give your grep a color [html]

Deep understanding of the key data structures of Linux kernel network technology-skbuff1, skb-& gt; users and skb-& gt; dataref differences skb-& gt; users: when the number of references increases, this value and skb-& gt; dataref both increase skb-&

Usage of linuxexpeexpect I. Overview we can use Shell to implement simple control flow functions, such as loops and judgments. However, manual intervention is required for scenarios requiring interaction. sometimes we may need to implement

The instance parses shell sub-process (subshell) through an instance to understand the shell sub-process. It mainly includes the following aspects: 1. what is shell sub-process 2: under what circumstances does shell generate sub-process 3:

Linux file-related operation file operation to enter the directory cd directory name example: cd/home to hommcm without parameters, to the previous directory cd-cut to the previous Open Directory cd .. view the directory or file ls [-ALM] [Directory/

Linuxshell is a simple method to replace strings in multiple files in batches in Linux. You can use the sed command to replace strings in multiple files in batches. You can use the sed command to replace strings in multiple files in batches. Sed-I &

Linuxcompressed and decompressed command all. Tar package: tarzxvfFileName.tar package: tarczvfFileName.tarDirName---------------------------------------------.gz unzip 1: gunzipFileName.gz... linux compression and decompression commands. tar unpack:

Enable Nginx to disable the version display information. Nginx will display a highlighted version number prompt in the http header or when an error page appears. To ensure security, you can disable this information. The method is very simple, just

Linux, awk 1. awksed processes files in behavior units. awk is better than sed in that it can not only process files in behavior units but also in columns. The default line delimiter of awk is line feed, and the default column separator is

Vif0.0: receivedpacketwithownaddressassourceaddress system: Centos5.x kernel: 2.6.18.x command line exception information: vif0.0: receivedpacketwithownaddressassourceaddress you can also view the system Email in dmesg... vif0.0: received packet

Change IP permanently effective follow these steps vi/etc/sysconfig/network-scripts/ifcfg-eth0 (eth0, first Nic, eth1 if second) modify ipDEVICEeth0 as follows (if the second block is just eth1) BOOTPROTOstaticIPADDR192.168.0.11 (modify... change IP

Check_mk page error handling method solve this problem in Ubuntu is very simple, is to install apache2-mpm-prefork, this is the way each request uses a process independently. [Plain] root @ icinga:/etc/check_mk #

Linux/Windows system UTF-8 encoding problems from Windows to Linux copy files, sometimes appear Chinese file name garbled phenomenon, this problem occurs because, windows file name Chinese encoding is GBK by default, in Linux, the default file name

Ubuntu common error -- Couldnotgetlock/var/lib/dpkg/lock solves the problem of sudoapt-getinstallxxx through Terminal installation: E: Couldnotgetlock/var/lib/dpkg/lock-open (11: resourcetemporarily... ubuntu common error -- cocould not get lock/var/

Shell script entry 001 #! /Bin/bash002fruitapple003count5004echo & quot; Wehave $ count $ {fruit} (s) & quot; 005006007 # Use shell variable 008 # shell environment variable 009 echo $ PATH010011012 # Add a new path 013 exportPA shell script entry 00

Shellscript article 3 01#xargscommand 0203#convert multiline input to single-line output 04catexample.txt | xargs0506#convert single-line input to multiline output 07catexample.txt | xargs-n30809 # custom split symbol similar to function

Before you log on to the Ubuntuconsole, the IP address is displayed. to log on to Ubuntu in VMware through PuTTY in Windows, you must first know the IP address of Ubuntu. if DHCP is used, the IP address may be different from the previous logon. Is

The following describes how to customize LiveCD in ubuntuLIVECD2. Preparations: (we have to prepare the following tools before customization) the Ubuntu system UbuntuLiveCD CD or the image file mksquashfs software mkisofs soft... experience Summary:

Under aix how to find the parent device and delete view the device's parent device and sub-device 1, check a device's parent device # lsdev-Clhdisk1hdisk1Availabl... information & nbsp; | & nbsp; Security & nbsp; in aix, how do I find the parent