Cloud Applications

Vsftp usage problems today we have built vsftp services on the company's centos server. Several problems are found during use. Record: (1) Users cannot log on after virtual use is established. Search online and find the database name in the/etc/pam.

The default text editor of Ubuntu12.04LTS is GEDIT. The Ubuntu text editor in the English version does not recognize the character encoding method in the file, and Chinese characters are usually garbled. By searching for answers on the Internet...

In the color script of the linuxshell script, echo displays the content with color, and echo displays the color. the parameter-eformat must be used as follows: echo-e & quot; \ 033 [background color; text color m string \ 033 [0 m & quot; example:

Ubuntu 10.0420.sec/C ++ platform setup 1 install eclipse: The first is to install Eclipse through the built-in program installation function of Ubuntu, the application-& gt; Ubtuntu Software Center, search for Eclipse to install. The second method

Rsyncssh data synchronization command 1. difference between rsync and ssh remote synchronization command 1 command format: 2 # rsync [option] source path destination path 3 Where: 4 [option]: 5a: Use archive mode, equal to-rlptgoD, that is, keep the

Compile gcc4.7lambda expressions in centos. it is not easy to love you. STL provides many algorithms but does not provide anonymous functions. it is a sin! The story of this article begins. C ++ 0x brings us a spring breeze and provides lambda

Talking about struct and the memory allocation principle in linux The struct is widely used in the program. The more complicated the problem to be handled, the more complicated the data volume is, the more necessary the struct is. Such as the

Delete the extra kernel after centos6.X upgrade. 1. first list the kernel in use in the system: # sudouname-a2. all the kernels in the query system: www.2cto.com # sudorpm-qkernel3. delete old kernel versions that are no longer needed: (do not

Linux command tool netstatnetstat is a command tool used to view the network connection status of the system. it can view all network-related information, for example, in a wdOS or wdcp one-key package, sometimes when the website or background

Jdk installation and configuration in ubuntu (simple and quick) 1. change the hadoop user permission to root, and then run the sudogedit command to open the file for configuration. change the permission to root @ ubuntu: nano/etc/sudoers open the

Since the mail command in Linux often works in linux, you often need to send your own report or other useful stuff to relevant people, so I spent some time studying how to send mail in linux. We can usually use the following 3 transmission methods: 1

Ubuntu12.04 how to use root to log on to Ubuntu12.04 without a root password. When we use the root permission, we generally use the sudo command. When Ubuntu12.04 is installed, the default value of the root account is... How to use root to log on to

Getting started with Linux: run Level Analysis 1. view the current running level in Ubuntu, runlevel command can view the current running level; in CentOS, who-r command can view the current running level; www.2cto.com 2. set the startup level 1.

Modify the record location of the dhcp service log in centos. 1. edit the dhcp service configuration file vim/etc/dhcp/dhcpd. add www.2cto to the end of conf. comlog-facilitylocal4; 2 edit rsyslog service configuration file vim/etc/rsyslog. add conf.

Linuxfree view memory details free View memory details root @ derek :~ # Free-mtotalusedfreesharedbufferscachedMem: 240132351649... Info & n Linux free View memory details root @ derek :~ # Free-m total used free shared buffers cachedMem: 24013 23516

One linux command every day (3): pwd command link: One linux command every day (1): ls command http://www.2cto.com/ OS /201210/163049.html#linuxlinuxcommand every day (2): cd command quit... One linux command every day (3): pwd command link: One

Linuxfind command notes (refer to the third edition of laruence) find [PATH] [option] [action] or findPATHOPTION [-execCOMMAND {} \; 1. time-related options: Total-atime,-ctime does not-mtime, with-mtime description-mt... Linux find COMMAND notes

A service Command, as its name implies, is a command used to manage services in a Linux operating system. 1. Declaration: this command is not available in all linux releases. Mainly in redhat, fedora, mandriva, and centos. 2. this command is located

You can use tar & amp; ndash; help in linux to view the detailed description. Format: tar [option] file-c: create a parameter command for the compressed file;-x: Unlock the parameter command for the compressed file! -T: view the files in the tarfile

Check the number of apache connections frequently and find many useless time_wait connections. Some people say this is normal because a request is interrupted midway through; others say that Microsoft's IE connection will generate more Time_wait