date s

Welcome to add QQ Group: 414835967 Exchange Linux Technology and download the relevant software package and accompanying notes in the group sharing fileKnowledge Points:Linux system directory structureRelative/absolute pathSet the

Linux gets time in the shellGet the date of the dayDate +%y-%m-%dOutput: 2011-07-28Assigns the current date to a date variabledate=$ (Date +%y%m%d)Sometimes we need to use dates before or after today, so we can use the-D parameter of dateGet

#man date to see the Help file for date#date Get the current time#date-D " -1week" +%y%m%d get last Sunday issue (Day,month,year,hour)#date--date= " -24 hour" +%y%m%d Ibid.date_now= ' date+%s ' shell script to assign variable valuesPercent output%

Get the date of the dayDate +%y-%m-%dOutput: 2011-07-28Assigns the current date to a date variabledate=$ (Date +%y%m%d)Sometimes we need to use dates before or after today, so we can use the-D parameter of dateGet Tomorrow's dateDate-d Next-day

Example: Use the date command to output the "XXXX-XX-XX" format, such as 2015-03-01.#date +%y-%m-%d 2015-03-0#date +%f2015-02-28The 1.date command enables a variety of format outputs, depending on the connection symbol between the representation

[Email protected] ~]# date-s 11:29:6Thu FEB 5 11:29:06 PST 2015[[Email protected] ~]# DateThu FEB 5 11:29:08 PST 2015[Email protected] ~]# date-s 02/06/2015Fri FEB 6 00:00:00 PST 2015[[email protected] ~]# date-s "2015-02-06 11:37:25"Fri FEB 6 11:37:

Shell generates a specified range of random numbers and random stringsCategory: Shell 2014-04-22 22:17 20902 People read Comments (5) favorite reports ShellrandomurandomuuidlinuxShell generates a specified range of random numbers and random strings1.

Help information for the date command[root@localhost source]# date--helpusage: date [options] ... [+ format]or: Date [-u|--utc|--universal] [MMDDHHMM[[CC]YY][.SS]]Displays the current time in the given format, or sets the system date. -D,--date=

Linux Tuning system time zone:Locate the appropriate time zone file/usr/share/zoneinfo/asia/shanghaiReplace the current/etc/localtime file with this fileIt's time for a date to be CST.If not, change the value of the TZ environment variable.Many

We generally use the "date-s" command to modify the system time. For example, the command to set the system time to June 10, 1996 is as follows.#date-S 06/10/96The command to set the system time to 1:12 P.M. 0 seconds is as follows.#date-S

The shell monitors cpu,memory,load average, logs to log, and notifies the administrator when the load is under pressure.Implementation principle:1. Get the value of Cpu,memory,load average2. Determine if the value exceeds the custom range, for

Recent learning needs to be based on different date data, do the same operation, if the manual operation over and over, too cumbersome, some of the taste of the foolish. So just think about the time as a variable under the shell, and then repeat the

Linux how to set the system time one-step. Friends who do experiments with Linux virtual machines will know. When you restore Linux to a certain point, VMware can not help you to reset the system time. So it's time to do it by hand. about how to set

One, modify the time zone 1. View the current time zone Date-r 2. Modify Settings Time zone Select target time zone with Tzselect Tzselect According to the prompts to select the appropriate time zone, and finally get the time zone settings,

Shell monitor Cpu,memory,load average, log to log, when load pressure, email notify admin. Principle: 1. Get the value of the Cpu,memory,load average 2. Determine whether the value exceeds the scope of the customization, for example

Tag:%s   lin   str   ges    caching mechanism      Printing     is     file    name    Buffers and Cached1). Similarities and differencesIn the Linux operating system, when the application needs to read the data in the file, the operating system

We generally use the "date-s" command to modify the system time. For example, the command to set the system time to June 10, 1996 is as follows.#date-S 06/10/96The command to set the system time to 1:12 P.M. 0 seconds is as follows.#date-S

Linux Date Modification TimeCommand format: Date-s modified time characterExample: Modifying the system date, not modifying the time (hours and seconds)# date-s 2020-12-20Example: Modifying the system time without modifying the date# date-s

Use shell scripts to simply simulate simultaneous read and write operations to specific filesFormat of file contents:Field1, Field2, field3, Field4As a delimiter, but there are spaces. The script uses the following:

Get the date of the dayDate +%y-%m-%dOutput: 2011-07-28Assigns the current date to a date variabledate=$ (Date +%y%m%d)Sometimes we need to use dates before or after today, so we can use the-D parameter of dateGet Tomorrow's dateDate-d Next-day