Cloud Applications

The following section of remote automatic deployment is the script used after Jenkins automatic compilation: add to Build-& gt; ExecuteShell, [plain] sshpass-ppwdssh-troot@192.168.1.55 & amp; #39; servicemy_webstop & amp; #39; sshpass-ppwd remote

Sed & amp; Awk one case per day 1. sed [options] {sed-commands} {input-file} sed-n & amp; #39; p & amp; #39; /etc/passwd2, sed [options]-f {sed-commands-in-a-file} {input-file} $ vi Sed & Awk one of the daily examples 1. sed [options] {sed-commands}

How to delete a large number of files in linux: the oracle11g database generates a large number of audit log files, more than 2 million, directly using rm or using find, then rm cannot succeed, -bash-3.2 $ ls-l/oracle/app/oracle/admin/tyrzdb/adump |

Note the CONNTRACK_MAX and HASHSIZE in linux. if the concurrency increases during stress testing but the test cannot be completed, you can try to adjust the parameter vi/etc/sysctl. conf added before kernel2.6: net. ipv4.netfilter. ip_conntrack_max..

In Linux, how does one search for keywords in vi? after you open a file in vi, how does one find the keywords you want because the file is too long? There is no menu-> In vi, but it doesn't matter. if you press the slash (/) in command mode, it will

Export command-linuxexport command function description: sets or displays environment variables. Syntax: export [-fnp] [variable name] [variable setting value] Supplementary Note: When executing a program in shell, shell provides a set of

For LINUX beginners, I see & mdash; shell script note that the syntax shellscripts is to use shell functions (syntax and command ), A program compiled with functions such as regular expressions, pipeline commands, and data stream redirection is a

LinuxShell script programming-curl Command detailed usage instructions curl Command is a powerful network tool that can download files through http, ftp, and other methods, but also upload files. In fact, curl is far more than the functions

If the network connection mode of virtualbox is set to NAT, the virtual machine can be directly connected to the Internet, but not to the host machine. Set the network connection mode of virtualbox to hostinterface. The virtual machine can be

TOP command and parameter parsing Top command is a common system performance analysis tool in linux. it can display the resource usage of various processes in the system in real time, similar to the windows Task Manager. The following describes how

In Linux, commands that obtain HELP in Linux can use the-h or -- help parameters to obtain usage methods and parameters. for example, ls can use -- help, cd can be used to obtain help information with-h. & quot; [] & quot; stands for the famous man

Ten sentences show you how to redirect data streams in Linux. 1. when you see the redirection, you suddenly think of redirect in the web. that's right, but the function of redirecting data streams in Linux is not to jump to another web page, it is

Linuxkernel. shmallshemaxshemin explains the LinuxX86-64 operating system, Oracle10g database, from 8G to 16G, the kernel. after the shmmax parameter is changed to 17179869184 (16G), it is found that as long as the sga_max_size and sga_target

Backup of bashrc in ubuntu13.04 #~ /. Bashrc: executedbybash (1) fornon-loginshells. # see/usr/share/doc/bash/examples/startup-files (inthepackagebash-doc) # backup of bashrc for forexam ubuntu 13.04 #~ /. Bashrc: executed by bash (1) for non-login

Ssize_t and size_t-linuxssize_t: signedsize_t [Note: signed] size_t: defined in the standard C library, should be unsignedint [Note: unsigned] I. size_t enhanced portability: [note: size_t may be different in different systems... ssize_t and

Lamp compilation and installation coexist with nginx 01 install php [lnmp compilation and installation] [1] on the top of/usr/local/path. This article describes lamp compilation and installation. Apache and nginx coexist. for apache php installation

Apt-get cannot be downloaded, and some web sites NotFound solve the problem a few days ago. due to the needs of scientific research, ubuntu11.04 was installed in the virtual machine, but some errors were always prompted when downloading and

Basic for Linux: Linux permission mechanism permission is a mechanism used by the operating system to restrict access to resources. permissions are generally divided into read, write, and execution. Each file in the system has specific permissions,

Rsync configuration details about the 2.4.6 rsync compilation and installation is very simple, just a few simple steps: [root@wwwrsync-2.4.6] #. /configure [root@wwwrsync-2.4.6] # make [root@wwwrsync-2.4.6] # makeinstall... rsync configuration

. Bash_profile and. bashrc and. the concept of profile differentiation bashshelllinux configures the environment variables related files in Linux systems mainly include the following files, which are easy to mix. here, the distinction is simple:/etc/