git command examples

is executed from the time of the minute to the minute of the hour, and the F2 is a-B indicating that it is executed from the first to the first, and the remainder of the analogyWhen F1 is */n, it is performed once every n minutes, and F2 is */n for every n-hour interval, with the remainder of the other analogyWhen F1 is a, B, C,... A, B, C,... Minutes to execute, F2 for a, B, C,... The time indicated that the first, B, c ... Hours to execute, and the rest of the analogyThe user can also store a

the hour, and the F2 is a-B indicating that it is executed from the first to the first, and the remainder of the analogyWhen F1 is */n, it is performed once every n minutes, and F2 is */n for every n-hour interval, with the remainder of the other analogyWhen F1 is a, B, C,... A, B, C,... Minutes to execute, F2 for a, B, C,... The time indicated that the first, B, c ... Hours to execute, and the rest of the analogyThe user can also store all the settings in the file file, using the crontab file

the hour, and the F2 is a-B indicating that it is executed from the first to the first, and the remainder of the analogyWhen F1 is */n, it is performed once every n minutes, and F2 is */n for every n-hour interval, with the remainder of the other analogyWhen F1 is a, B, C,... A, B, C,... Minutes to execute, F2 for a, B, C,... The time indicated that the first, B, c ... Hours to execute, and the rest of the analogyThe user can also store all the settings in the file file, using the crontab file

hour, and the remainder of the analogyWhen the F1 is a-B, it is executed from the time of the minute to the minute of the hour, and the F2 is a-B indicating that it is executed from the first to the first, and the remainder of the analogyWhen F1 is */n, it is performed once every n minutes, and F2 is */n for every n-hour interval, with the remainder of the other analogyWhen F1 is a, B, C,... A, B, C,... Minutes to execute, F2 for a, B, C,... The time indicated that the first, B, c ... Hours to

the hour, and the F2 is a-B indicating that it is executed from the first to the first, and the remainder of the analogyWhen F1 is */n, it is performed once every n minutes, and F2 is */n for every n-hour interval, with the remainder of the other analogyWhen F1 is a, B, C,... A, B, C,... Minutes to execute, F2 for a, B, C,... The time indicated that the first, B, c ... Hours to execute, and the rest of the analogyThe user can also store all the settings in the file file, using the crontab file

Linux curl is a file transfer tool that works under the command line using URL rules. It supports file uploads and downloads, so it is a comprehensive transfer tool, but traditionally, the URL is used as a download tool. A, Curl command parameters, there are many I have not used, do not know whether the translation is right, if the wrong place, please correct me. View copy print?-a/--append when uploading

these packets are drop.For example:(1) Add a rule to the input chain to match the established connection or the new connection established by the established connection. That is, all TCP response packets are matched.#iptables-A input-m state–state related,established(2) Add a rule to the input chain to match all connection request packets from the non-eth0 interface.#iptables-A input-m State-–state new-i!eth0As another example, for FTP connections you can use the following connection tracking:(

from the file whether the first row matches/tom if there is no execution will not be executed until after reading, then run End statement can choose the begin match the ENG. awk '/^mike/{print} ' fileawk ' nr==2{print ' file NR is the number of line number NF fieldsawk ' nr==2| | Nr==4{print "file reads only two fixed line numbersawk ' {print $} ' file $ entire rowawk ' bengin{fs= ': "ofs=" "}/bash$/{print $} ' file FS specifies a delimiter: OFS specifies the field delimiter for the outputTR ":

Vertical Bar | can be used in DOS commandsThe function is to put the symbol before the process output, after making the sign process input.The code for this example in Codego.net is as follows:For example, two commands, "dir/s/b/a" and "find". txt "", the first shows all the files, folders in the current folder, and the second is to find a string containing the character ". txt".Two commands you can "find all files and folders in the current folder that contain. txt." By using a vertical line co

One, the Curl command parameter-a/--append when uploading a file, attach to target file-a/--user-agent Two, commonly used curl instance1, crawl the page content into a file[Email protected]]# curl-o home.html http://www.codesky.net2, with-O (uppercase), the following URL to specific to a file, or not catch it down. We can also use the regular to grab things.[Email protected]]# curl-o http://www.codesky.net/wp-content/uploads/2010/09/compare_varnish.jp

Appendix B: examples of common command applications========================================================== ========================================================== ==================================1. Create and delete DatabasesCreate Database db1; -- create database db1Drop database db1; -- delete database db1 2. Create and delete data tablesCreate Table T1 (-- Create Table T1, T1 contains two fieldsC

One, uniq what to do with the The duplicate lines in the text are basically not what we want, so we need to get rid of them. Linux has other commands to remove duplicate rows, but I think Uniq is a more convenient one. When using Uniq, pay attention to the following two points1, when manipulating text, it is typically used in combination with the sort command, because Uniq does not check for duplicate rows unless they are adjacent rows. If you want t

Basic format:* * * * * commandTime-sharing Weekly commandThe 1th column represents minutes 1~59 per minute with * or */1The 2nd column represents the hour 1~23 (0 means 0 points)The 3rd column represents the date 1~31The 4th column represents the month 1~125th Column Identification Number Week 0~6 (0 = Sunday)6th List of commands to runSome examples of crontab files:* * * * */usr/local/etc/rc.d/lighttpd restartThe above example shows that 21:30 restar

Tags: linux command bash linux command line file name PAC space append different row15 Examples of mastering the Linux command line historyWhen you use Linux command lines frequently, using history effectively can increase productivity. In fact, once you have the following 1

decompression program. They have a lot of parameter options, here are just a brief introduction, still examples of its use:# Zip All.zip *.jpgThis command compresses all. jpg files into a zip package# Unzip All.zipThis command is to extract all the files in the All.zip.2) for. rarTo process. rar files under Linux, you need to install RAR for Linux, which can be

is doing, and if you do not wish to receive such a letter, please leave a blank in each lineAfter adding >/dev/null 2>1 can beTo create a cron service for the current user1. Type CRONTAB-E edit crontab service fileFor example, the contents of the file are:*/2 * * * */bin/sh/home/admin/jiaoben/buy/deletefile.shSave the file and exit*/2 * * * */bin/sh/home/admin/jiaoben/buy/deletefile.sh*/2 * * * * This field allows you to set when to execute the script/bin/sh/home/admin/jiaoben/buy/deletefile.sh

The test command expects to find a parameter on the command line that is considered empty when the shell does not assign a value to the variable. This means that when the script is being processed, test will report the error once the script is looking for a parameter that does not exist. When you try to protect the script, you can solve the problem by including all the arguments in double quotes. The shell

.... Perform echo "haha"0-23/2 * * * echo "haha"Attention:When the program is executed at the time you specify, the system will send you a letter showing what the program is doing, and if you do not wish to receive such a letter, please leave a blank in each lineAfter adding >/dev/null 2>1 can beExample 2:#每天早上6点10分6 * * * Date#每两个小时0 */2 * * * Date#晚上11点到早上8点之间每两个小时, 8 in the morning.0 23-7/2,8 * * * Date#每个月的4号和每个礼拜的礼拜一到礼拜三的早上11点0 4 * mon-wed date#1月份日早上4点0 4 1 Jan * DateExample$crontab-L lis

/-atime 5028. Find all files that have been modified within 50-100 days# Find/-mtime +50–mtime-10029. Find all files changed within 1 hours# Find/-cmin-6030. Find all files modified within 1 hours# Find/-mmin-6031. Find all the files accessed within 1 hours# Find/-amin-6032. Find all files of length 50MB# Find/-size 50M33. Find all files of length in 50MB-100MB# Find/-size +50m-size-100m34. Find and delete all files larger than 100MB# Find/-size +100m-exec rm-rf {} \;35. Find all files that are