tmp jobs

Use Cron in Ubuntu 14.04 to automate jobs Cron is one of the most useful tools in Linux. cron jobs are scheduled to run when the specified time is reached.The most common automated system management and maintenance work, such as the daily scheduled backup notification or the scheduled/tmp/directory cleaning notification. Many Web applications also need to execute

In Ubuntu 14.04 use cron to implement job automation Chszs, All rights reserved, without consent, not reproduced. Blogger Home: Http://blog.csdn.net/chszsCron is one of the most useful tools in a Linux system, and a cron job is a job that is scheduled to execute when a specified time arrives.The most common Automated system management and automatic maintenance work, such as a daily notification of a scheduled backup, or a scheduled cleanup of the/tmp/

Yum.repos.dinit.dnbSp;prelink.conf.drsyslog.d 7. Copy all files in the/etc/directory that begin with L or M or N and end with. conf to the/TMP/MYTEST3 directory.Cp-r/etc/[lmn]*.conf/tmp/mytest3 or Cp-r/etc/{l,m,n}*.conf/tmp/mytest3Command Test and ResultsMkdir-p/tmp/mytest3;Cp-r/etc/[lmn]*.conf/

SETSID program [Arg ...] DESCRIPTION Setsid runs a program in a new session.Visible Setsid is also very convenient to use, but also only need to deal with the command before adding Setsid can.Setsid Example[[email protected] ~]# setsid ping www.ibm.com[[email protected] ~]# ps-ef |grep www.ibm.comroot 31094 1 > 0 07:28? 00:00:00 Ping www.ibm.comroot 31102 29217 0 07:29 pts/4 00:00:00 grep www.ibm.com[[email protected] ~]#It is worth noting that our process ID (PI

information for a file.File path strength and name, file size, number of blocks, block size, typeDevice value, index value, number of linksFile permissions, UID number and name, GID number and nameAccess time, modify time, change timestat/etc/, Touch-a-m-t [[CC]YY]MMDDHHMM[.SS]8, displays all files or directories that start with L in the/var directory, end with a lowercase letter, and have at least one digit (can have other characters) in the middlels-lhr/var/| Egrep ^1[0-9a-za-z]*[[:d igit:]]\

the directory/test/data, let a group of ordinary users have write permission to it, and all the files created by the group of directories belong to the group, in addition, each user can only delete their own files; [Email protected] tmp]# Mkdir-pv/test/data mkdir: The directory "/test" has been created mkdir: The directory "/test/data" has been created [Email protected] tmp]# chmod g+ws/test/data [Email pr

set to GMT,-r 3. Get command Help mode: Use the command for commands in the shell,External command using man help manual, info command, etc.Program Readme, official site of the program, official documentation of the distribution, Internet searchMan is divided into man1 for user commands, man2 system calls, MAN3 for C libraries, MAN4 devices and special files, MAN5 profile format, man6 for games, Man7 Miscellaneous, MAN8 for system administrator commands4,CP, MV, RM file managementCp-f-v/etc/pas

username:" usernameIf [-Z $username];thenecho "Usage:please input a username"Exit 1FiIf!id $username >/dev/null; Thenecho "User doesn ' t exist"Elseuserid=$ (id-u $username)If [$userid-eq 0]; Thenecho "$username is a administrator"elif [$userid-gt 0-a $userid-lt 500]; Thenecho "$username is a system user"Elseecho "$username is a normal user"FiFi2) Grant user execute permission chmod u+x userstest.sh3) Testing[Roo[email protected] tmp]#./userstest.shP

] =qry[i].b;107 108Sort (tmp +1, TMP +1+tot);109 thetot = unique (tmp +1, TMP +1+ tot)-tmp;111 the for(inti =1; I i)113Num[i] = lower_bound (tmp +1, tmp + tot, num[i])-

While Steve Jobs was alive, he had no idea about his health. Now that he has died, based on information from various parties, we can finally restore his medical records and learn how a great man like him treats life and death. 1. On April 9, May 2000, Steve Jobs demonstrated the Mac OS X operating system at the San Francisco WWDC Conference (Apple's global Developers Conference. At this time, his body is c

messages-201608308, every two hours every day to take the current system/proc/meminfo file in the beginning of all the information in the S./stats/memory.txt file9, working days of work time, every two hours to perform the echo "Howdy"Script Programming Exercises10, create the directory/tmp/testdir-the current date and time;11. Create 100 empty files in this directory: file1-file10012. Display the user name of the user who is located in the/ETC/PASSW

Jobs command example I am a new Linux/Unix user. In Linux or Unix-like systems, how can I use BASH/KSH/TCSH or POSIX-based shell to view the job in progress )? On Unix/Linux, how does one display the current job status? (LCTT: job, also known as "task ") Job control is a capability that can stop/pause the execution of processes (commands) and continue/resume their execution as required. This is executed through your operating system and shell such as

Content of this week's job:1. List the user name of all logged-in users on the current system, note: The same user logged in multiple times, only once.#who | tr-s [[: Space:]] | Cut-d ""-f1 | Sort-u[email protected] bin]# who | tr-s [[: Space:]] | Cut-d ""-f1 | Sort-uKzxjwbRoot2. Remove the information about the user who last logged in to the current system.#last | Head-1[Email protected] bin]# Last | Head-1Root PTS/4 223.72.80.48 Mon Oct 23:07 still logged in3. Remove the shell that is the user

, equivalent to-DR--preserv=all-d:--no-dereference--preserv=links--preserv[=attr_list]Mode: PermissionsOwnership: Belong to the main groupTimestampLinksXattrContextAll-P:--preserv=mode,ownership,timestamp-V:--verbose-F:--forceMv:move, moving filesMV [OPTION] ... [-T] SOURCE DESTMV [OPTION] ... SOURCE ... DIRECTORYMV [OPTION] ...-t DIRECTORY SOURCE ...Common options:-I: Interactive-F: MandatoryRm:remove, deletingRM [OPTION] ... FILE ...Common options:-I: Interactive-F: Force delete-R: RecursiveRm

character file or directory.ls/etc/[^a-za-z][a-za-z]*9. In the/tmp directory, create a file that starts with Tfile, followed by the current date and time, with a filename such as: tfile-2016-08-06-09-32-22.touch/tmp/tfile-' Date +%y-%m-%d-%h-%m-%s '10. Copy all the files or directories in the/etc directory to the/tmp/mytest1 directory that begin with P and do no

Abstract: This article recorded my reading of Joe's biography of the process of some feelings, as well as personal feel better content. For reference only. "In 1958, IBM missed the opportunity to acquire a fledgling company," the source said. The small company invented a new technology called electrostatic copying. Two years later, Xerox was born, and IBM regretted it. "This is 1984 years. IBM wants to take possession of everything. Apple is seen as the only hope that can compete with it.

1. Convert the contents of the/etc/issue file to uppercase and save to the/tmp/issue.out file[Email protected] ~]# cp/etc/issue/[[email protected] ~]# Cat Issue | Tr ' A-Z ' A-Z ' >/tmp/issue.out[[email protected] ~]# cat/tmp/issue.outcentos RELEASE 6.8 (FINAL) KERNEL \ r on an \mtty Is \lhostname are \ntime is \ t2. Convert the current system login user's inform

1. What are the file management commands on Linux, their commonly used methods and their related examples?Linux file management commands typically have cat, TAC, more, less, tail, head3. Use the command line expansion function to complete the following exercises:(1), create/tmp directory: A_c, A_d, B_c, B_dTOUCH/TMP/{A,B}_{C,D}(2), create the/tmp/mylinux director

backup/var/log/messages file to/backup/messages_logs/directory, save the file name like messages-20150402;0 0 * * 2,4,6 root cp-r/var/log/messages/backup/messages_logs/messages-$ (date +%y%m%d)8, every two hours every day to take the current system/proc/meminfo file all the information in the beginning of S to the/stats/memory.txt file;0 */2 * * * root grep "^s"/proc/meminfo >>/stats/memory.txt9, working days of work time, every two hours to perform the echo "Howdy";0 9-17/2 * * 1-5 root echo "

1.2 manage jobs1.2.1 enable jobs Because the enabled parameter is not explicitly specified during job creation, the job is not automatically executed by default even if start_date is specified. In this case, the DBMS_Scheduler package provides a process enable that can be used to modify the job activation status. The call method is very simple, for example: SQL> exec dbms_scheduler.enable (evaluate insert _ test_tbl ); PL/SQL procedure successfully