Cloud Applications

In linux, the dc calculator dc adopts the inverse Polish expression, and the calculation process is manual maintenance of the stack. The reverse Polish style looks awkward, but it runs very efficiently. Nothing is messy, and the script positive

Lvm tossing note LVM (reference Baidu Encyclopedia): LVM is short for logical disk volume management (LogicalVolumeManager). It is a mechanism for managing disk partitions in Linux, LVM is a logical layer built on the hard disk and partition to

Set-x and set + x commands are used for script debugging. Set is to print the commands below it to the screen. set-x is to enable set + x, set-o is to view (xtrace), and set is to catch up with the display of a piece of code. It is valid for the

Run the following command to start and stop jboss in linux :. /run. sh-call & amp; (Add & amp; to prevent the program from running ctrl + c) the command for terminating jboss in linux is :. /shutdown. in sh-Slinux, query the running status of java

Kvm uses virtio to accelerate kvm-hdaubuntu-server.img-cdromNETKVM-20081229.iso-m1024-enable-kvm-netnic, modelvirtio-netuserkvm-hdaubuntu-server.img-m1024-bootc-netnic, mod... kvm uses virtio to accelerate kvm-hda ubuntu-server.img-cdrom NETKVM-20081

How to remove ^ M & gt; echo-e & quot; I \ rlove \ rWQ from Vim. & quot; & gt; test use vim to view: I ^ Mlove ^ MWQ. so how to remove ^ M? Next we will introduce two methods to remove ^ M. First cp two copies & gt; cptesttest2 & gt; cptesttest3

Changing the nic name under fedora16 today, due to an error in network startup, I searched online and found that most people's nic names are eth0, but my name is p3p1, so I want to change it to eth0. then I google it and found that the device name

Tuxedo multi-host (MP) configuration error solution [tuxapp @ REDHAT5_FGetc] $ tmboot-starter/bea/tuxapp/etc/tuxconfigINFO: OracleTuxedo, Version11.1.1.2.0, 32-bit, Patc... tuxedo multi-host (MP) configuration error solution [tuxapp @ REDHAT5_FG etc]

Nginx installation SSL basic tutorial http://wiki.nginx.org/Modules#Standard_HTTP_modules This includes all the basic modules and modules that need to be added. 1. install nginx [html] wget with the ssl module. http://nginx.org/download/nginx-0.8.5

For example, 04 *** Wget -- spider http://www.google.com Running wget & hellip; the following is a good introduction to crontab: crontabtask format **... how to use a scheduled task in combination of Wget and crontab, for example, 0 4 *** wget --

VIM series: indentation adjustment, automatic completion, collapse, jump indent adjustment, automatic completion, collapse, jump to these vim operations are not at the beginning, I will not, familiar with the project development process, this

Linux Rsync data Image and backup steps 1: install rsync to download the latest rsync package, the latest package in http://rsync.samba.org/rsync Find it. You can use the rpm Package for installation. I have applied the source code here. For some

Installing nginx with centosyum is cumbersome to manually compile and install nginx. we can install nginx with centos yum to create nginx. repovim/etc/yum. repos. d/nginx. repo writes the following information: [nginx] namenginxrepobaseurlhttp: //

Install and modify the Apache2 port in UBuntu because the local machine has Nginx, so there is no need to install Apache2. However, to learn how to use icinga today, let's take a look at apache2. now we are familiar with icinga and use Nginx to

Linux:; sed: 1. sedsed stands for StreamEditor, which is widely used as a filter in Shell scripts and makefiles, that is to say, the output of the previous program is introduced into the sed input, and the output is converted into another format

After check_mk is integrated with icinga, all hosts are in the downservice status and the host is down. Carefully read the log: The first idodb service is not started: [plain] serviceido2dbstartserviceicingarestartserviceapache2restart visit the

Nginx configuration and use [html] # run user userwww-data; # start the process. Generally, the number of worker_processes1 instances equal to the number of CPUs is set; # global error log and PID file error_log/var/log/nginx/error. log; pid/var/run/

Vim backup and restoration vim is an editing artifact. it is very easy to use when it is configured as an IDE style, but the configuration process is troublesome. after the configuration is completed a few days ago, do you need to configure the redo

The difference between setting the root password and useradd and adduser in Ubuntu has recently started to learn about Ubuntu. during the first learning process, two problems were encountered: 1. set the root password, press Ctrl + Alt + T to bring

Solaris10 installation configuration 1. system installation root/changeme creation user and password create/SP/users/scadminset/SP/users/scadminroleAdministrator (administrator privilege) scadmin/scadmin123show/SP/users/scadmincd/SP/networkse