Cloud Applications

In Linux, add or subtract the date and format it. run the code www.2cto.com to format the system date to yyyymmdd and subtract the day. 1. java code: date + & quot; % B % e, % G & quot;-d & amp; #39;-1day & amp; #39; 2. use the Java code CUR in the

Introduction to netstat commands in linux: www.2cto. the comNetstat command is used to display various network-related information, such as network connection, route table, interface status (InterfaceStatistics), masquerade connection, and multicast

During a troubleshooting process in the SMP environment, you need to check whether the system is already working in the SMP environment and check the load of each cpu. The following describes the methods. Www.2cto.com 1: Check that SMP

To resize an ESXI4.1linux VM, first adjust the disk size to 60Gwww.2cto.com. note: If the VM cannot adjust the size of the snapshot, you must delete the snapshot before you can confirm the adjustment, restart vm OS [root @ download1 ~] Shutdown-rnow.

After centos and redhat6.0, Nic cannot be enabled after virtual machine cloning in versions later than redhat and centos6.0. if we want to clone a virtual machine after installing a system on a virtual machine, we will find that the clone VM Nic

LinuxSUID, SGID, and SBITSGID are used only for binary execution files. The s and t permissions are created in the attributes so that the general user can have the permissions of the program. For example, the user permission of www.2cto.com/user/bin/

As we all know in the HELP command man in the Chinese linux system, although the help provided by linux has many languages, there are basically no Chinese help manuals for linux of various release versions. Therefore, it would be of great

Using rsync to synchronize LinuxVPS data rsync is a data Image Backup tool in unix-like systems. it can be seen from the software name & mdash; remotesync. Its features are as follows: www.2cto.com can mirror and save the entire directory tree and

Ubuntu12.04 report internal errors when installing the deb package solution Ubuntu12.04 report internal errors when installing the deb package. many packages use this solution. com1, update the software center sudoapt-getupgradesoftware-center2, and

The keyword -- r in the grep search file indicates recursion, and n indicates that the display line number include indicates that only php, hello, world indicates the search content, and mydir indicates the search directory www.2cto. comgrep-nr --

Use ipodshuffle in ubuntu to install gtkpod, and then use the graphic interface. Www.2cto.com, how do I use iPod under Ubuntu, which cannot use iTunes? Yes ?? I? Research, this article is? O? Under Ubuntu? IPods... Install gtkpod with the ipod

After debian is installed, you may encounter the following problems: 0. virtual optical drive 1. Resolution 2. Touchpad 3. system sound www.2cto.com. many software requires an installation disk. But for those who use usb to install the system, this

SSH creates an FTP site, the operation is very simple, follow the steps below to do it... Www.2cto. com1. open SSHShell and log on to the server. 2. create an FTP account: useradd your FTP account-groot-d/directory where your FTP site is located 3.

One linux command every day (43): killall command link: One linux command every day (1): ls command http://www.2cto.com/os/201210/163049.html ; One linux command every day (2): cd command http://www.2cto.com/os/201210/163050.html Every day, a linux

To solve the problem that users and groups cannot be added in linux (the groupadd command is unavailable), you need to install mysql on a linux server. when installing mysql, an error message is displayed: www.2cto.com [root @

Disable the Linux memory address randomization mechanism and disable process address space randomization. you can fix the base address, stack, and vdso page addresses of the mmap process. you can set kernel. randomize_va_space kernel parameters are

Syntax: iptables-Dchainrulenum [options] Where: chain indicates the chain, that is, the attribute rulenum such as INPUTFORWARD indicates the rule number. Start from 1. You can use iptables-LINPUT -- line-numbers to list... syntax: iptables-D chain

Getting started with linux network configuration (I) network interface www.2cto.com ① naming rules linux kernel specifies different prefixes for interface names based on the interface type, each interface will be allocated a number from scratch...

Used to mount the shared folder of the nfs server to the client between linux and linux or between linux and unix, and use the protocol RPC (Remote Process Scheduling) www.2cto. comNFS uses rpc1. when the nfs and rpc services on the server are

Set multiple IP addresses for NICs under RHEL5 in Linux. to solve some network access problems, you sometimes need to configure multiple IP addresses for one nic. in some documents, this is called AddsaliasesforDevice !. The following are some