Cloud Applications

If you want to become a Linux expert, it is essential to master some Linux commands. The following are four methods to learn Linux commands. A progressive method to learn Linux commands is to display daily prompts every time you open the terminal.

For the installed Cacti, to check whether the monitoring data is accurate and whether the statistical chart generated with rrdtool is as beautiful as officially shown, you can't wait to click the image column on the tab. The result is garbled, that

A firewall is deployed in the Linux operating system, which prevents other hosts from scanning the local machine. If an enterprise network has an independent firewall, similar restrictions can be implemented. For example, some enterprises have

Recently, the UnrealLIRC.com website administrator was frustrated to admit that their Unix/Linux source code library (Download source) was damaged by attackers and secretly tampered with a source code file, there is a & ldquo; backdoor & rdquo; in

The following is a forward resolution (IP192.168.1.2 domain name is www.linuxidc.com) based on the RedHat5 or CentOS system. to ensure the construction is successful, do not miss any step. The following is a detailed step-by-step command to ensure

The HP-UX provides its own packet capture tool, nettl. It comes in handy when tcpdump is not available (for example, tcpdump won't be able to catch the package on the loop on the HP-UX. Summarize the main usage of nettl for future reference. Start

Upgrading the previous version, adding support for password input from the command line, and prompting those machines to upload successfully or fail at the same time is very difficult for O & M, in particular, when cdn o & M needs to upload a file

# Info: Theconffornginx # Author: dingtm # CTime: 2010.07.01userwwwwww; # Number of Users and Groups running NGINX worker_processes4; # Number of nginx processes. we recommend that you specify the number of CPUs, it is generally a multiple of each...

I did not expect the installation process to be so tortuous that the download during gem installation is often unsuccessful, so I had to handle it. the gem file is downloaded and then installed locally. In addition, radmine1.2.1 is also very picky

In Unix-like systems, you can use top to view system resources, processes, memory usage, and other information. To view the network status, you can use tools such as netstat and nmap. To view real-time network traffic and monitor TCP/IP connections,

When a process communicates in a blocking manner, the process suspends sleep before the result is obtained. In order to ensure that the process enters sleep in a safe way, we need to keep in mind two rules: 1. never enter sleep in the atomic context.

Many users generally choose Windows + Ubuntu dual-system. After a long time, the boot menu will become increasingly bloated as the Ubuntu kernel continues to upgrade. The following is a brief introduction of how to delete the excess kernel (old

Install Windows 7 and boot the previous ubuntu (ext4). 1. Insert the ubuntu installation disk and restart it. Choose to try ubuntu without changing any content on the computer 2. open the terminal, or press Ctrl + alt + F1 to enter the command line.

The introduction to menu and file association in linux desktop has never understood the problem of linux desktop menu and file association. now I have studied and written a summary. Accessing a linux desktop is related to menus and files. how can

Pacman's unknowntrust problem after pacman is upgraded to 4.0, the installation or upgrade software requires PGPkey. if the key import fails, it will exit with an error. the error message is similar to: error: signaturefromxyzisunknowntrust solution

Repo is a tool for system management of multiple gittrees. repo is not a source code version management system. it is only integrated with multiple projects of projectlistxml in manifest. git for unified management. When reposync is run, all the

Common Command Line 1 for troubleshooting in LINUX. view TCP connection status netstat-nat | awk & amp; #39; {print $6} & amp; #39; | sort | uniq-c | sort-rnwww.2cto.comnetstat-n | awk & amp; #39;/^ tcp/{++ S [$ NF]}; END {for (ainS) print... common

In linux, how does one save the screen brightness settings (backlight brightness) of a notebook? the linux desktop version I use is linuxmint13maya. the screen brightness is the brightest each time I start the system, you can adjust the brightness

After using yum to upgrade firefox Ora to the latest version of firefox, it is found that the default upgrade can only upgrade the current firefox version to the latest version, without cross-version upgrade. after searching, the following method is

The new computer is tossing Ubuntu12.04LT, a new computer, which will be my main tool in the future. Naturally, it cannot be left alone with the ready-to-use Ubunu. Considering the compatibility and the usage of 4G memory in Ubuntu, a 32-bit system