4.1 accton: enable or disable process Statistics
Purpose: run the accton command to enable process statistics. If no parameter is included, process statistics is disabled.
Usage: accton [-v | -- version] [-H | -- help] [filename]
The main options are as follows.
--V, -- version: displays the AC version and exits.
--H, -- help: print the command overview
4.1 Accton: Turn process statistics on or off
Function: Accton command to open process statistics, or close process statistics if no arguments are taken.
Usage: Accton [-v |--version] [h |--help] [filename]
The main options are as follows.
--v,--Version: Displays the AC version and exits.
--h,--Help: Print a summary of commands and display the system default
We use the Accton command to turn process statistics on or off, and if not with any parameters, it means to turn off process statistics. Its main parameters are as follows:(1)-V or--version, indicating that the version information is displayed and exited.(2)-H or--HELP, print help information.In the Linux system to start process statistics must use the Accton command, and must use the root identity to run,
Analysis of accton and lastcomm commands in linux, acctonlastcomm
We use the accton command to enable or disable process statistics. If no parameters are included, the process statistics will be disabled. Its main parameters are as follows:
(1)-V or -- version indicates that the version information is displayed and exited.
(2)-h or -- help to print help information.
In linux, to start process statistics, yo
via installable packages.APIs
OPENNSL provides a Open abstraction interface to supported Broadcom chipsets and are supported by Accton on many of their p Latforms.
OF-DPA is a OpenFlow focused APIs from Broadcom and are supported on the most platforms.
SAI is a fully open Multi-vendor abstraction interface This runs on switching chipsets from Broadcom, Cavium, Mellanox and More.Routing and switching Agents
ONL Supports O
Article title: Apache log: access log (2 ). Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source.
3. process Statistics
UNIX can track every command run by every user. if you want to know what important files were messed up last night, the process statistics subsystem can tell you. It is helpful for tracking an intrusion. Unlike the connection time log, the proc
2000
DBB ** never logged in **
XinChen ** never logged in **
Pb9511 ** never logged in **
Xchen 0 202.38.64.190 sun Aug 13 10:01:22 + 0800 2000
In addition, you can add one parameter. For example, last-u 102 will report users whose uid is 102; last-T 7 indicates limiting the report of the previous week.
Process statisticsUNIX can track every command run by every user. If you want to know what important files were messed up last night, the process Statistics subsystem can tell you. It is helpful
the previous week is limited. Process statistics UNIX can track every command run by each user. If you want to know what important files were messed up last night, the process Statistics subsystem can tell you. It also helps track an attacker. Unlike the connection time log, the process Statistics subsystem is not activated by default and must be started. In Linux, The accton command is used to START process statistics and must be run as root. The fo
logged in **Xinchen ** Never logged in **Pb9511 ** Never logged in **Xchen 0 202.38.64.190 Sun Aug 13 10:01:22 + 0800 2000
In addition, you can add one parameter. For example, last-u 102 will report users whose UID is 102; last-t 7 indicates limiting the report of the previous week.
3. Process statistics
UNIX can track every command run by every user. If you want to know what important files were messed up last night, the process Statistics subsystem can tell you. It is helpful for tracking an
UID sorting. If a user has Never logged on, lastlog displays \ "** Never logged **. Note that you need to run this command as root, for example:
Rong 5 202.38.64.187 Fri Aug 18 15:57:01 0800 2000
Dbb ** Never logged in **
Xinchen ** Never logged in **
Pb9511 ** Never logged in **
Xchen 0 202.38.64.190 Sun Aug 13 10:01:22 0800 2000
In addition, you can add one parameter. For example, last-u 102 will report users whose UID is 102; last-t 7 indicates limiting the report of the previous week
accton command is used to START process statistics and must be run as root. The form of the Accton command is accton file, which must exist first. Run the touch command to create the pacct file touch/var/log/pacct, and then run accton: accton/var/log/pacct. Once
. If you want to know what important files were messed up last night, the process Statistics subsystem can tell you. It is helpful for tracking an intrusion. Unlike the connection time log, the process Statistics subsystem is not activated by default and must be started. In Linux, The accton command is used to START process statistics and must be run as root. The form of the Accton command is
Currently, the mainstream Gigabit backbone switches have high forwarding capabilities and smaller sizes. They are suitable for common users. Among the six Ethernet switches we have tested, EDIMAX ES-5800R and LeaPComm6004 switch is not manageable switch, Accton es00008 and creative company Thinker3800 switch are network tube type switch, 3Com 4900 is support Layer 3 and Layer 4 switch, digital China D-Link DGS3308TG is a layer-3 switch.
Performance fi
Of the six Ethernet switches we tested, the Edimax es-5800r and LeaPComm6004 switches are not managed switches, Accton ES4508, and the Thinker3800 switches of the creators are all network-management switches, 3Com 4900 is to support the three-layer and four-layer switch, Shenzhou digital D-link DGS3308TG is a three-tier switch.
Performance is the brunt
The 6 products include all copper ports, all fiber ports, and gbic ports, of which 3Com 4900 has 1
, write a record of each process to the statistical file (PACCT or acct). The purpose of process statistics is to provide command usage statistics for basic services in the system. The file can be analyzed using the Data tool (SA,AC).Use: The process statistics subsystem is not activated by default and it must be started. Starting process statistics on Linux systems use the Accton command, which must be run as root. The form of the
, you can add some parameters, such as Last-u 102, which will report a user with a UID of 102, and LAST-T 7 to limit the previous week's report.
Process statistics
UNIX can track every command a user runs, and if you want to know what important files were messed up last night, the process statistics subsystem can tell you. It is also useful for tracking an intruder. Unlike the connection time log, the process statistics subsystem is not activated by default, and it must be started. Starting pr
-A // view the connection time of all users
Total 100.49
[Root @ xhot ~] # Ac-D // view the user's daily connection time
SEP 24 total 0.14
SEP 25 total 14.60
SEP 26 total 13.71
SEP 27 total 21.47
Sep 28 total 11.74
Sep 29 Total 6.60
Sep 30 all 8.81
Oct 1 All 9.04
Oct 2 Total 0.47 // you can see that I went out to play on National Day 3, 4, and 5
Oct 6 total 8.62
Today total 5.29
Other commands are not described in detail.
2. process monitoring logs
Process statisti
effective in monitoring user operation instructions. Frequently detected on servers
You can use the process Statistics log to view the symptoms of shutdown or file deletion without reason:
[Root @ 51cto ~] # Accton/var/account/pacct // enable process Statistics log monitoring
[Root @ 51cto ~] # Lastcomm // view process statistics logs
Accton S root pts/1 0.00 secs Thu Oct 7
5.93Nov 29 2014total 4.91Nov 30 2014total 2.50Dec 1 2014total 14.51Todaytotal 24.37
15. accept/reject the job to be sent to the destination. The first version acts on the printer.
16. accountwizard account management tool
17. accton enable or disable process Statistics
# Touch/var/log/pacct
Then run:
# Accton/var/log/pacct
Once acct
A process is an entity that a program runs, and a child process (thread) under a process.Process StatisticsTo start the process statistics, you must first prepare the Accton recorded files
touch /var/log/pacct #创建记录所用的文件
accton /var/log/pacct #激活accton
accton #关闭accton
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