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CRONTAB help 14 Years Ago by NewbieProgram … address provided is ok too) -What was he doing The crontab should run every 30 mins and automatically email him all… Re: CRONTAB help 14 Years Ago by NewbieProgram I think what he means by catching him is that the crontab should run every 30 minutes; he'll be logging on at every 29th minute for a duration of 5-6 minutes. Re: CRONTAB help 14 Years Ago by NewbieProgram … very good. Now I have to setup the job for crontab to run this script every 30 minutes and email him… Re: crontab output 16 Years Ago by wiz83 [QUOTE=DimaYasny;516057]after some googling, seems like perl scripts have trouble running from crontab. try to create a bash script which will launch the perl script, and make the bash script run from crontab[/QUOTE] cant i just run it through crontab,directly.i know it happens crontab output 16 Years Ago by wiz83 … trying to do is iam running a perl script through crontab.the problem is iam getting an error message on my… mail. this is the crontab file: 24 16 22 1 * perl /rishi/s-branch/perl1… Re: crontab output 16 Years Ago by DimaYasny after some googling, seems like perl scripts have trouble running from crontab. try to create a bash script which will launch the perl script, and make the bash script run from crontab Re: crontab output 16 Years Ago by DimaYasny don't think you're supposed to activate it by perl the script has the interpretor line in it change the crontab line to just the path to the script also, is the script working when run from the shell manually? Re: crontab output 16 Years Ago by wiz83 … the script has the interpretor line in it change the crontab line to just the path to the script also, is… Re: crontab output 16 Years Ago by eggi chmod the script 755, and if you want to run it as perl scriptname in crontab, just be sure to give the absolute path to perl in your entry, like: /usr/bin/perl scriptname and it should work either way Hope that helps :) , Mike Re: CRONTAB help 14 Years Ago by sknake How does he propose that you catch him? Are you allowed to install applications on his machine, or will he be hitting a webserver and you need to grep the logs for a page he will visit? Re: CRONTAB help 14 Years Ago by sknake Sounds fun. Try something like this: [code] #!/bin/bash prof_acct_name="sk" x=`w` echo "${x}" | while read line; do if echo ${line} | egrep "^${prof_acct_name}\b.*" >> /dev/null 2>&1; then ip_addr=`echo ${line} | awk '{ print \$3 }'` process=`echo ${line} | awk '{ print \$9 }'` … Re: CRONTAB help 14 Years Ago by sknake Sounds good. Please mark this thread as solved if you have found an answer to your question and good luck! Re: crontab - simple test script 10 Years Ago by rch1231 … # mail any output to `paul', no matter whose crontab this is MAILTO=paul # # run five minutes after …sunday" The easiest way to create a crontab file is while logged in to a shell …the following: crontab -e To see your crontab use: crontab -l To remove the current crontab for the user: crontab -r … Re: crontab - simple test script 10 Years Ago by rubberman Show the contents of the crontab itself. The script is one thing. The crontab is another. Re: How do I? Edit Crontab using a Script? 13 Years Ago by egmik3 … -e '/Watchdog/s/^/#/' /tmp/crontab.a | crontab -e # Disable Watchdog rm /tmp/crontab.a [/CODE] [CODE] crontab -l > /tmp/crontab.a sed -e '/Watchdog… -e '/Watchdog/s/#//' /tmp/crontab.b > /tmp/crontab.a # Disable Watchdog crontab /tmp/crontab.a rm /tmp/crontab.a /tmp/crontab.b [/CODE] My other… Re: How do I? Edit Crontab using a Script? 13 Years Ago by Aia …crontab.a > /tmp/crontab.b sed -e '/Watchdog/s/#//' /tmp/crontab.b > /tmp/crontab.a # Disable Watchdog crontab /tmp/crontab….a rm /tmp/crontab.a /tmp/crontab.b … a file any schedule information from cron crontab -l > /tmp/crontab.a # # remove boiler plate information… Re: How do I? Edit Crontab using a Script? 15 Years Ago by eggi … both execute and feed through the pipe: [QUOTE]$ crontab -l # DO NOT EDIT THIS FILE - edit …: Input is not from a terminal crontab: installing new crontab mgolvach@tlaum-pc1 ~ $ crontab -l # DO NOT EDIT THIS FILE…: Input is not from a terminal crontab: installing new crontab mgolvach@tlaum-pc1 ~ $ crontab -l # DO NOT EDIT THIS FILE… Re: How do I? Edit Crontab using a Script? 15 Years Ago by egmik3 … -e 's=\(^.*/opt/watchdog/startwatchdog.sh$\)=#\1' /tmp/crontab.a | crontab rm /tmp/crontab.a[/code] [/QUOTE] I tried this as well. Just… error: file name must be specified for replace usage: crontab [-u user] file crontab [-u user] [ -e | -l | -r ] (default operation is… I can't get crontab running 19 Years Ago by Cr4nberry … a hosting in a server and can't use the crontab for the hosting user. I get this error: [B]bash…: crontab: command not found[/B] Afortunately I can log in with … the activity log for the task I'm running in crontab, and It doesn't shows nothing because is not being… Re: How do I? Edit Crontab using a Script? 13 Years Ago by Aia [B]egmik3;1276213 >[/B] [CODE] crontab -l > /tmp/crontab.a sed -e '/Watchdog/s/^/#/' /tmp/crontab.a | crontab -e # Disable Watchdog rm /tmp…/crontab.a [/CODE] [CODE] crontab -l > /tmp/crontab.a sed -e '/Watchdog… Re: How do I? Edit Crontab using a Script? 15 Years Ago by Fest3er … commented. (no this is not all that is in my crontab) [CODE] */5 * * * * /opt/watchdog/startwatchdog… /tmp/crontab.a | crontab rm /tmp/crontab.a[/code] To uncomment the line: [code]crontab -l >/tmp/crontab.a sed… -e 's=\(^#.*/opt/watchdog/startwatchdog.sh$\)=\1' /tmp/crontab.a | crontab rm /tmp/crontab.… Re: How do I? Edit Crontab using a Script? 15 Years Ago by egmik3 … to get rid of the "#" Here's my crontab: [CODE]USER=root JAVA_HOME=/usr/java/latest 59 20 * … #/5 * * * * /opt/watchdog/startupWatchdog.sh [/CODE] Heres crontab after "uncomment" code: [CODE]# DO NOT EDIT THIS…FILE - edit the master and reinstall. # (/tmp/crontab.XXXXs7xGhE installed on Wed Mar 11 20:53:46 2009… Re: How do I? Edit Crontab using a Script? 15 Years Ago by Fest3er … of code?[/B] [CODE] (echo ^[:g/watchdog/s/^/#/^[:wq!^M)|crontab -e[/CODE][/QUOTE] First, it assumes that the editor you… far clearer to make a temp copy of the crontab, then use sed | crontab to change the line (as illustrated in my… was[code] (echo -e ^[:g/watchdog/s/^/#/\r:wq!\r)|crontab -e[/code]Vim() might properly interpret the ^M, but I… Re: How do I? Edit Crontab using a Script? 13 Years Ago by egmik3 Here is what I got for commenting the line: [CODE] #!/bin/bash crontab -l >/tmp/crontab.a sed '/Watchdog/s/^/#/' /tmp/crontab.a rm /tmp/crontab.txt[/CODE] Here is un-commenting it for reference to others: [CODE] #!/bin/bash crontab -l >/tmp/crontab.a sed '/Watchdog/s/#//' /tmp/crontab.a rm /tmp/crontab.txt[/CODE] Re: How do I? Edit Crontab using a Script? 14 Years Ago by Tomaker …. It is feeding vi() commands to the 'crontab -e' command's standard input. Were you…by hand, you would:[code]shell prompt> crontab -e :g/watchdog/s/^/#/<ENTER>…make a temp copy of the crontab, then use sed | crontab to change the line (as …echo -e ^[:g/watchdog/s/^/#/\r:wq!\r)|crontab -e[/code]Vim() might properly interpret the ^M… Re: How do I? Edit Crontab using a Script? 13 Years Ago by egmik3 … using sed. My problem is now inserting it into crontab -e. Anyone have any help? Here is my… code: [CODE] crontab -l > /tmp/crontab.a sed -e '/Watchdog/s/^/#/' /tmp/crontab.a | crontab -e # Disable Watchdog …reading input, exiting... Vim: preserving files... Vim: Finished. crontab: "/usr/bin/vi" exited with status 1 … Re: I can't get crontab running 18 Years Ago by ilaiy Check if crond is running to make crontab work .. ./thanks ilaiy Re: How do I? Edit Crontab using a Script? 15 Years Ago by egmik3 … NOT EDIT THIS FILE - edit the master and reinstall. # (/tmp/crontab.XXXXg27puR installed on Fri Jan 9 17:31:02 2009…) # (Cron version V5.0 -- $Id: crontab.c,v 1.12 2004/01/23 18:56:42… Vim: Error reading input, exiting... Vim: preserving files... Vim: Finished. crontab: "/usr/bin/vi" exited with status 1 Continuity… Re: How do I? Edit Crontab using a Script? 15 Years Ago by Fest3er …seem to work: [code] # Comment out the entry crontab -l | \ egrep -m 3 -v "^#…-e 's=\(^.*/opt/watchdog/startwatchdog.sh$\)=#\1=' | \ crontab - # Uncomment the entry crontab -l | \ egrep -m 3 -v "^#…sed -e 's=^#\(.*/opt/watchdog/startwatchdog.sh$\)=\1=' | \ crontab - [/code] This should make the file idempotent: there … Re: How do I? Edit Crontab using a Script? 15 Years Ago by Fest3er …quite easily. To comment out the line: [code]crontab -l |sed -e 's=\(^.*/opt/watchdog/startwatchdog.sh$\)=#\…1=' | crontab -[/code] To uncomment the line: [code]crontab -l | sed -e 's=^#\(.*/opt/watchdog…it comes to the first three lines of comments. Crontab() puts them in whether you like it or not.…