Different wtmp processing methods in AIX and Linux wtmp record user logon and exit events. it is similar to the utmp log file, but it increases with the increase in the number of logins, and some system ftp access is also recorded in this file, it also records the normal system exit time, and records user logon and exit events in different wtmp handling methods in AIX and Linux. it is similar to the utmp log file, but it increases with the increase in the number of logins, and some system ftp ac
practicemakepefectaaaa1sogood! [[emailprotected]test]#cattest_cut|cut-c8-howareyou?howoldareyou? practicemakepefectsogood!Sort Sortsyntax:sort [OPTION] ... [FILE] ...Parameters:-F: Ignore case-B: Ignores the first whitespace part-M: Sort by the name of the month,-N: Sorting using "number"-R: Reverse sort-U: Quite with Uniq, go repeat-T: delimiter, TAB is used by default-K: Which interval field to sort ( and T to use )Example#默认按第一个文字排序 [[emailprotected]test]#cat/etc/passwd|sortabrt:x:173:173::
notification messages except emails, newsgroups, authorization information, and scheduled tasks into the messages file.
Mail, news. = info/var/adm/info
# Only notification messages in emails and newsgroups are written to the info file, and other information is not written.
Mail. *; mail .! = Info/var/adm/mail
# Write all emails except notification messages to the mail file.
Mail. = info/dev/tty12
# Send on
the page.4. the Token value is valid only once, ensuring security even if it is intercepted.Code:Copy codeThe Code is as follows:$ Urls = parse_url ($ db_bbsurl );$ Domain = $ urls ['host'];Include_once (R_P. 'require/admvclient. php ');$ Adm_oem = new Cnzz_Adm_Oem ();// Determine whether the user password exists in the config filePwCache: getData (D_P. "data/bbscache/adm_config.php"); // user name and password configuration fileIf (isset ($ adm_user) isset ($ adm_pwd )){$ Request = array ("ad
In one article we have implemented functionality, but one obvious problem is that the response time is very long and the user experience is very bad, and this article will take you through the problem and optimize it.To find the culprit, use System.Diagnostics.Stopwatch to clock our application execution.Modify the code in translate in TranslatorcontrollerSystem.Diagnostics.Stopwatch Watch1 =NewSystem.Diagnostics.Stopwatch (); System.Diagnostics.Stopwatch WATCH2=NewSystem.Diagnostics.Stopwatch (
Account management The most important two files are '/etc/passwd and/etc/shadow '! These two files can be said to be one of the most important files in Linux! If you do not have these two files, hehe! You can't log in to Linux! So, let's start by explaining the two files below. Of course, more detailed information you can yourself man 5 passwd and man 5 Shadow ~#/etc/passwdThe structure of this file is this: Each line represents an account, a few lines will represent a few accounts in your syste
port 8982 ). If the console server is not running, start it. #/etc/init.d/init.wbem start3 ). start SMC #/usr/sadm/bin/smc because SMC Rights Management is role-based, so we want to Root identity to view all log information. ii. Sco OpenServer System of GUI Log Analysis ToolSCO OpenServer System log storage location /usr/adm/messages General system event logging /usr/adm/hwconfig /usr/
1./etc/passwd[Email protected] ~]# Cat/etc/passwdroot:x:0:0:root:/root:/bin/bashbin:x:1:1:bin:/bin:/sbin/nologindaemon:x:2:2: Daemon:/sbin:/sbin/nologinadm:x:3:4:adm:/var/adm:/sbin/nologinlp:x:4:7:lp:/var/spool/lpd:/sbin/nologinsync:x : 5:0:sync:/sbin:/bin/syncshutdown:x:6:0:shutdown:/sbin:/sbin/shutdown .....Each field is separated by: and the fields contain the following information:① login user name;② us
The conditional operator of awkShows the first line with root[[email protected] ~]# awk-f ': ' $1== ' root ' 1.txtRoot:x:0:0:root:/root:/bin/bashShow first line with root print first paragraph[[email protected] ~]# awk-f ': ' $1== ' root ' {print '} ' 1.txtRootThe first paragraph equals root or the seventh paragraph equals nologin.[[email protected] ~]# awk-f ': ' $1== ' root | | $7~/nologin/' 1.txtRoot:x:0:0:root:/root:/bin/bashBin:x:1:1:bin:/bin:/sbin/nologinDaemon:x:2:2:daemon:/sbin:/sbin/nol
Basic commands for text (CAT, TAC, head, tail, more, less, rev)Viewing the contents of a file catcat-n/etc/passwd can list serial number display file[Email protected] ~]# cat-n/etc/passwd 1root:x:0:0:root:/root:/bin/bash 2bin:x:1:1:bin:/bin:/sbin/nologin 3 Daemon:x:2:2:daemon:/sbin:/sbin/nologin 4adm:x:3:4:adm:/var/adm:/sbin/nologin 5lp:x:4:7:lp:/var/spool/lpd:/sbin/ Nologin 6sync:x:5:0:sync:/sbin:/bin/sync
,\} repeats x characters at least m timesX\{m,n\} repeats x characters m to n timesFile contents:[email protected] opt]# ll passwd-rw-r--r--. 1 root root 1087 Mar 17:39 passwd[email protected] opt]# cat passwdRoot:x:0:0:root:/root:/bin/bashBin:x:1:1:bin:/bin:/sbin/nologinDaemon:x:2:2:daemon:/sbin:/sbin/nologinAdm:x:3:4:adm:/var/adm:/sbin/nologinLp:x:4:7:lp:/var/spool/lpd:/sbin/nologinSync:x:5:0:sync:/sbin:/
SED, awk tool enables text substitution and outputs the replaced text to the screenBoth SED and awk are streaming editors that operate on the lines of the document. SED is often used to replace operations.The text content of the sample, the following actions are based on this text.[email protected] ~]# cat Test.txt Rot:x:0:0:rot:/rot:/bin/bashroot:x:0:0:root:/root:/bin/bashdaemon:x:2:2:daemon :/sbin:/sbin/nologinrooooot:x:0:0/roooooot:/bin/ Bash11111111111111111111111111111111aaaaaaaaaaaaaaaaaaa
? Explanation and explanation:)Why is there a "domain" extraction, because the B and C just mentioned can only extract information in a fixed-format document, and for non-fixed-format information is helpless. This is where "domain" comes in handy. If you look at the/etc/passwd file, you will find that it is not the same format as the WHO output, but rather fragmented emissions. However, the colon plays a very important role in each line of the file, and the colon is used to separate each item.We
? Explanation and explanation:)Why is there a "domain" extraction, because the B and C just mentioned can only extract information in a fixed-format document, and for non-fixed-format information is helpless. This is where "domain" comes in handy. If you look at the/etc/passwd file, you will find that it is not the same format as the WHO output, but rather fragmented emissions. However, the colon plays a very important role in each line of the file, and the colon is used to separate each item.We
/nologinadm:x:3:4:adm:/var/adm:/sbin/nologinlp:x:4:7:lp:/var/spool/ lpd:/sbin/nologinsync:x:5:0:sync:/sbin:/bin/syncshutdown:x:6:0:shutdown:/sbin:/sbin/shutdownhalt:x:7:0:halt:/ Sbin:/sbin/haltmail:x:8:12:mail:/var/spool/mail:/sbin/nologinnews:x:9:13:news:/etc/news:With parameter-n displays the first n rows:[Email protected] ~]# head-5/tmp/passwdroot:x:0:0:root:/root:/bin/bashbin:x:1:1:bin:/bin:/sbin/nologi
keywords.If path is specified, the cookie is sent only to requests for that path. If this property is not set, the application's path is used.At this point, we have learned the theoretical knowledge of all the properties, methods and collections of the Response object, the following author will show you a simple program, through practice to deepen understanding. First, paste the following program into your Notepad and save it as asp7.asp. (Note that the space between Dim UserDim FlagDim pwdDim
)
DB2IADM1 (Db2inst1)
DB2FADM1 (DB2FENC1)
code as follows:
[Root@localhost expc]# groupadd-g DB2IADM1
[Root@localhost expc]# groupadd-g 2001 DB2FADM1
[Root@localhost expc]# useradd-m-G db2iadm1-d/home/db2inst1 Db2inst1
[Root@localhost expc]# useradd-m-G db2fadm1-d/home/db2fenc1 db2fenc1
[Root@localhost expc]# passwd Db2inst1
[Root@localhost expc]# passwd db2fenc1
6, install license (product license) PS: If it is EXPRESSC version do not have to do
code as follows:
[Ro
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