defect management tools

processes--top-bio : Displays the most consumed Block IO process;--top -io: Show most io-intensive processes-- Top-men: The most memory-intensive process-- IPC: Shows the rate data related to interprocess communication;--raw : Displays data related to raw sockets--tcp : Displays data related to TCP sockets--udp : Displays data related to UDP sockets--unix : Displays Unix sock Statistics for Interfaces--socket : TCP, UDP, UNIX statistics for this threeIn summary, Dstat is a powerful real-time ob

of the disk,Function: Define the location and size of the partition table;3. Partition tableLba2-lba33Role: The start address, end address, type value, first name, attribute flag, and GUID value in the partition table are composed of4. GPT Partitionthe largest region, composed of sectors assigned to partitions. The start and end addresses of this area are defined by the GPT header. 5. Backup AreaBackup of GPT headers and partitioned tablesback up the EFI information for Sector 1th, and the rema

parameters do not explain too much, just look at the color highlighted there. Stands for three levels: note, warning, critical (in fact, at the third level, it hangs out.) Can be understood as the end)Then the following respectively represents the limit, so please pay attention to the system usage, when more than the first need to pay attention to. Suddenly do not specify how to write. It doesn't feel like a demo. Hey. The small partners to do more, originally wanted to write some more but real

commandThe SS command works the same as the Netstat command, but the SS command can also specify the connection status as a filter.Command format: SS [Options]Common options:-t:tcp-n:udp-p:process-l:listening-a:all-E: Extended information-M: socket-related memory usage information-O state {established,listening,fin_wait_1,fin_wait_2} ' (dport= or sport=) ' displays only the connections in the specified state, and can also specify filter conditions650) this.width=650; "title=" 1452727971816651.j

package management tools apt-get and dpkg operation memo http://www.linuxidc.com/Linux/2014-04/99847.htm Debian kernel compilation err: line 65 dpkg-gencontrol command not found http://www.linuxidc.com/Linux/2014-03/98783.htm Ubuntu Installation Software prompts "unable to open the lock file/var/lib/dpkg/lock" Problem solved http://www.linuxidc.com/Linux/2013-01/77790.htm Ubuntu dpkg Installation Software

error:unsupported flags (0x1) in function storagevolumecre AtexmlGoogle find the answer: https://github.com/retspen/webvirtmgr/issues/400Originally in the creation of QCOW2 format image, you can not select metadata, this metadata do not know what to do with. This is true when you add a virtual machine.In the background, you can see that a disk file has been generated under the directory Vmdisk.[Email protected] vmdisk]# qemu-img info a.michaelzeng.001.imgImage:a.michaelzeng.001.imgFile Format:q

'), $log->adderror (' parameter error '), $log = new Logger (' Login registration module '); $log Pushhandler (New Streamhandler (' Your.txt ', logger::warning)), $log->addwarning (' Login failed '); $log->adderror (' Failed to obtain information '); The result of the code operation is as follows:The previous build Composer.json is generated with commands, but can also be created manually:Here, manually create a Composer.json to enter as follows:{" require": { "Monolog/monolog": "1

1. Advertising AggregationThrough the Keymob SDK, developers can embed at the same time all major advertising platform at home and abroad, through the keymob backstage, can open or close any advertisement platform at any time. Support AdMob ads, Baidu ads, iad, guang-point, InMobi, Chartboost, adcolony video ads.2. Intelligent optimizationKeymob is a free advertising intelligence management platform for Android and iOS app developers, it can help you

Limitlogin is a logon management tool tailored by Microsoft for Windows Server 2003. It has powerful functions, including limiting the number of user logins in the domain, displaying the login information of any user in the domain by category, integrating with AMD (Active Directory MMC) for management configuration, and generating login information in CSV and XML formats, these functions are of little signi

Dpkg is a tool for installing, generating, deleting, and managing software packages in Linux. The syntax format is as follows: Dpkg [option...] action Dpkg itself is completely controlled by command line parameters. Its command line parameters include one action and zero or multiple options. The action parameter tells dpkg what to do, and the option parameter controls action to some extent. For example, you can use dpkg to check the status of a software package (for example, whether a software p

Brew is Homebrew, is the software package management tool on Mac OSX, it can easily install the software or uninstall the software in Mac, it is very convenient to use only one command.Brew is similar to the Apt-get function under Ubuntu system.To install Brew:CURL-LSSF Http://github.com/mxcl/homebrew/tarball/master | sudo tar xvz-c/usr/local--strip 1Install software: Brew Install CgdbUninstalling software: Brew Uninstall CGDBMore commands:Software pa

: Brew remove software name, such as brew remove wgetMore of it? Go to the official website and dig it http://brew.sh/index_zh-cn.html " Software Installation directory "Homebrew will install the kit into a standalone directory (the total directory is /usr/local/cellar), so you don't have to worry about where the software is installed and soft-link the file to /usr/local/bin，如：$ pwd/usr/local/cellar$ lltotal 0drwxr-xr-x 8 jianbao admin 272 5 00:12. /drwxrwxr-x Admin 782 5 25 00:30

, which in turn led to the current divisive situation. Guido did not accept distribute as the official standard and explained why. Developers are missing out on the new direction and task –distutils2, which will become the standard library packaging for Python 3.3 and appear as DISTUTILS2 in other versions. In other words, it and Pip will join forces to end the current chaotic situation. (But in my search for information, the plan has been shelved.) )7. Zc.buildout: This is a bloated installatio

UnitService System ServicesTarget multiple units consisting of groupsDevice hardware devicesMount File System mount pointAutoMount Automatic mount pointPath file or pathSCOP is not an external process initiated by SYSTEMDSlice Process GroupSnapshot Systemd SnapshotSocket inter-process communication socketsSwap fileTimer TimerUnit-related instructionsSystemctl List-units lists the running unitSystemctl list-units--all list all, including failed or inactiveSystemctl list-units--all--state=inactiv

output file (the file needs to touch beforehand); Stdout_logfile_maxbytes=1MB; max # logfile bytes b4 rotation (default 50MB); Stdout_logfile_backups=Ten; # of StdOut logfile backups (0means none, defaultTen); Stdout_capture_maxbytes=1MB; Number of bytesinch 'Capturemode'(Default0); stdout_events_enabled=false; Emit events on StdOut writes (defaultfalse); Stderr_logfile=/a/path; After executing the command, the output file of the error message; Stderr_logfile_maxbytes=1MB; max # logfile bytes b

= root group = root mode = 777" [[Email protected] shell] # ll/root/array. sh-rwxrwxrwx 1 Root 323 Oct 25 13:01/root/array. sh # permission change note: the remote host user exists and the group exists; otherwise, the copy fails. (5) download the specified URL content to the remote host.[[emailprotected] SHELL]# ansible manage-other -m get_url -a "url=http://www.baidu.com dest=/root/index.html" Summary:Command: shell command with remote execution permission.Script: Execute the control script

Last week, I sorted out the requirements for the [6] Test Case Management Tools. Then I held a meeting to discuss specific solutions. Finally, a test case management tool should cover the following parts: 1. Requirement Management Add requirements Delete requirements Modify requirements Import Requirements Export Requi

Linux tools (ii) cluster management software clustershell and linuxclustershell1. Brief Introduction There are about servers in the lab room that need to be managed. In addition, a lightweight cluster management software is necessary to build Hadoop and Spark clusters. After some time of understanding and trying, I finally chose clustershell for the following rea

;addwarning (' Get information failed '), $log->adderror (' parameter error '), $log = new Logger (' Login registration module '); $log Pushhandler (New Streamhandler (' Your.txt ', logger::warning)), $log->addwarning (' Login failed '); $log->adderror (' Failed to obtain information '); The result of the code operation is as follows: The previous build Composer.json is generated with commands, but can also be created manually: Here, manually create a Composer.json to enter as follows: {