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delimiter needs to be surrounded by colons , or you can ofs define the output delimiter ;[Email protected] ~]# awk-f: ' {print $3,$4} ' 1.txt |head-50 (7[[email protected] ~]# awk-f: ' {print $ ': "$4 } ' 1.txt |head-50:01:12:23:44:7[[email protected] ~]# awk-f: ' ofs= ' # ' {print $3,$4} ' 1.txt |head-50#01#12#23#44#7[Email protected] ~]# head-n2 passwd |awk-f: ' {print $ ' # ' @ ' $ $ ' # ' $7} ' Root#@0#/bin/bashbin#@1#/sbin/nologinNote The format of awk, followed by the single quotation mar

Import RRDtoolImport timeCUR_TIME=STR (int (time.time ()))Rrd=rrdtool.create (' flow.rrd ', '--step ', ' a ', '--start ', Cur_time, #Flow. RRD filename,--step indicates how often the data is written, Start indicates the start time of the first record' Ds:eth0_in:counter:600:0:u ', #DS定义数据源, the network card eth0 into the traffic, COUNTER represents the increment (DST definition data type), followed by 600 s

Hide method of hidden elements in jqueryTo make the elements on the page invisible, you can generally set the display of the CSS to the None property. But through the direct modification of CSS is static layout, if the code is executed, usually through the JS control element of the Style property, here jquery provides a quick way. Hide () to achieve this effect$elem. Hide ()Provide parameters:. Hide (Options)When you provide a parameter to the Hide method,. Hide () becomes an animated method: Th

machines that have been mount on the native NFS directory.#-e: Displays the directory that is export from the specified NFS server. Mkdir-p/home/nfs/publicMOUNT-T NFS 192.168.0.1:/home/public/home/nfs/public//mount a shared directory on the server side to a local path For example: SHOWMOUNT-E 172.16.81.219Export list for localhost:/tmp */home/public (Everyone)/home/test 172.16.81.220 Mount/var/nfs directory (local mount point is/mnt/nfs)Mount-t NFS 172.16.81.219:/var/nfs/mnt/nfsAfter succes

currently being analyzed ..The customer wants a general result today, time is urgent.Customers they understand the habit of small y, and then emergency, will first take time to smoke a cigarette ...Little Y and the customer after a greeting, then went downstairs to smoke.5A serious science, please.Take advantage of the gap of smoking, small y wisp a bit of thought.Perhaps some students are confused about some of the above terms, what is call stack, what is ora-

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In order to understand how the user agent determines the weight of the font deformation, we have to start with the keywords 100 to 900, and then we'll see how it inherits. Font-weight allowable Value Normal | Bold | Bolder | Lighter | l00 | 200 | 300 | 400 | 500 | 600 | 700 | 800 | 900 These numeric keywords are used to define a mapping relationship with the font's associated characteristics, that is, the weight of the font is divided into nine level

# list of prohibited files = false # ip addresses that are allowed to access the service # hosts allow = 192.168.1.200 # ip addresses that are not allowed to access the service # hosts d Eny = 0.0.0.0/32 # authenticated user name, which must exist in the system, but the password must be configured in secrets file, not the system password. Auth users = root # authenticate the User Password file and configure the password secrets file for auth users =/etc/backserver. pas 2.The rsync password file

When there is a theft incident in the community, do you always worry about the theft of your home on the subway at work, in front of your computer at work station, during a late night gathering, or when you are traveling?Now let's talk about how to DIY an Arduino-based home anti-leech!Before DIY, design the DIY process first! In order to express myself in a concise way, I can paste my own picture! In my opinion, the original intention of DIY is to use the simplest method to effectively solve pro

Today I suddenly encountered a ORA-00600 error while shutting down the database normally in the test environment, my database version is 10.2.0.411: 32: 57MYHSZHLC @ SYSgt; shutdownimmedi Today I suddenly encountered a ORA-00600 error while shutting down the database normally in the test environment, my database version is 10.2.0.411: 32: 57 MYHSZHLC @ SYSgt; shutdown immedi Today I suddenly encountered a ORA-00600 error while shutting down the database normally in the test environment, my

: ' + newleft); //Toggle Animation to the left if((Offset > 0) (Offsetl newleft)) { //Console.log (' left ');Interval = SetInterval (function() {Offsetl+ = offset/(300/intervalnum);//300 total time for the move //Console.log (offsetl);List.style.left= Offsetl + ' px '; if(Offsetl = =newleft) {clearinterval (interval); //Two if statements for unlimited scrolling if(Newleft >-600