Questions tagged [cron]

cron is a task scheduler based on clock time that runs on Linux-based machines.

Filter by
Sorted by
Tagged with
0 votes
0 answers
23 views

Why doesn’t /etc/logrotate.d/tomcat run daily but will only take effect if I manual trigger it?

I have a Talend Data Stewardship application in my server and I would like to rotate the catalina.out log file. Thus, I referring https://dzone.com/articles/how-rotate-tomcat-catalinaout, and create a ...
Panadol Chong's user avatar
0 votes
0 answers
56 views

Ubuntu bluetooth audio via cron only works when logged in

I am running Ubuntu server (headless) and have a bluetooth speaker connected to it. The objective is to play mp3 via cron. Audio plays fine with cron using play command while I login or I keep a ssh ...
S2L's user avatar
  • 51
1 vote
0 answers
78 views

Copying files from Linux server to windows machine over SSH, using expect script and crontab is not reliable

We have a server that is producing reports from some elements in two formats. PDF and DOCX. I created a crontab job to automate transfer of these files from the server to one of the local Windows ...
anej zafred's user avatar
1 vote
0 answers
58 views

remote host has disconnected error with sshfs as cron job on openbsd

I am trying to automount a directory with sshfs using crontab. the sshfs command: /usr/local/bin/sshfs -o IdentityFile=/home/user/.ssh/id_ed25519.pub,idmap=user,allow_other,uid=1000,gid=1000 user@...
pitpux's user avatar
  • 11
0 votes
1 answer
39 views

anacron doesnt work as expected

Trying to schedule a job to run every day with cron or anacron. Search the forum for resolution but still without any success. Changing shell=/bin/bash or bin/sh didnt do anything. My system lubuntu ...
Surepic 342's user avatar
0 votes
1 answer
72 views

Cron job does not execute according to time schedule

Consider the following cron job: * 22-23 * * * /usr/bin/curl -u username:paswword http://api.example.com/api/test2.php Now, according to this, the cron job must run every minute starting from 22h00 (...
Clint William Theron's user avatar
0 votes
1 answer
85 views

The Cron Service itself failed how do I find out why

I have a remote raspberry pi that runs 24/7. It is running Debian bullseye. Tasks that normally run daily failed to send some mail failed and I was told about it by the normal recipients. When I ...
akc42's user avatar
  • 123
2 votes
0 answers
87 views

How to determine what script is deleting files in Linux?

I run a Plex Media Server (PMS) on a ubuntu 22.04 system. There's been no update to the PMS libraries for a while, and I recently started adding a few movies to the collection. But what I've found ...
Dennis 's user avatar
  • 113
0 votes
1 answer
161 views

How to find and delete folders that are 15 days older using cron jobs in Truenas Scale?

I have security camera in my home it upload recorded videos to my Home NAS every one hour time intervals which is powered by Truenas Scale Operating System now all the footage are stored in my NAS I ...
user avatar
0 votes
0 answers
87 views

Starting a Screen Sessions Upon Reboot and Executing a Script in It

I would like to have a certain script run in a screen session when an Ubuntu 22.04 system starts up. The command I came up with is as follows screen fauxpilot -dmS sh ./fauxpilot/launch.sh However, ...
MadPhysicist's user avatar
0 votes
0 answers
35 views

Is this werid gcc1.sh cron job a virus? Ubuntu 22.04.01 LTS

This file gcc1.sh in cron.hourly seems a bit odd. This is on a turnkey linux appliance running a wordpress site. I can't move it or delete it >lsattr gcc1.sh ----ia--------e------- gcc1.sh File in ...
TechAUmNu's user avatar
0 votes
0 answers
24 views

crontab tar archive on macOS not recursive

I have a script to archive a directory on macOS: #!/bin/sh BACKUPNAME=$(date "+%Y-%m-%d@%H:%M:%S") BACKUPNAME="local-vaults-$BACKUPNAME.tar.gz" tar czfh "/Users/henrik/...
hstr's user avatar
  • 183
0 votes
1 answer
118 views

Failing to run an infinitely running command at startup

I want to use gpu-screen-recorder to record replays. I installed it using flatpak and am using the following command to start the replay mode: flatpak run --command=gpu-screen-recorder com.dec05eba....
lenny's user avatar
  • 127
2 votes
1 answer
138 views

Within Docker, how to correctly add a task to cron programmatically (scripting)? no errors are perceived in log

After several days of messing around with Docker, I have not found a solution to my problem. In short, I have tried to add cron to php:8.1-apache-bullseye and pass it a file with the task that I want ...
Francisco Nuñez IA Lover's user avatar
0 votes
1 answer
79 views

OSX cronjob doesn't have permission to touch existing files in Downloads?

I recently updated from OSX 13.2 to 13.5.2 and all my cronjobs are failing now. I'm trying to run rsync in a cronjob but it keeps failing, and I ultimately narrowed that down to my cron jobs not ...
Nobody's user avatar
  • 1
0 votes
1 answer
291 views

rsync - Operation not permitted when script is launched by cron

I've got a script that basically launches the following command rsync -avh --progress --no-relative "$SOURCE_PATH/" "$DESTINATION_PATH" and vice-versa (destination to source). ...
sirdan's user avatar
  • 101
0 votes
0 answers
98 views

lftp in shell script fails with "pseudo-tty allocation failed" only when run via cronjob

I am trying to create a shell script which copies a file to a foreign server using SFTP (because SSH is not available on the foreign server). The script works as expected when run via console, but it ...
Jan's user avatar
  • 101
0 votes
1 answer
371 views

busybox crond avoids concurrent processes for first 10 minutes?

I have a script that's executed every minute by cron in an Alpine container. Said script may run for long time, which is why it handles locking itself. Just now I noticed the busybox' crond avoids ...
laur's user avatar
  • 227
0 votes
1 answer
137 views

How to properly set sudo crontab to backup files with superuser rights nightly?

I'm writing a script to backup some dirs such as /etc in a nightly backup. The script works if I run it manually and input a password, but fails to launch in crontab For testing purpose I've made a ...
hyperswiss's user avatar
1 vote
0 answers
454 views

cron resource temporarily unavailable

I have a proxmox server with a ubuntu lxc container. cron is not working. I am working this as root: cron -l cron: can't lock /var/run/crond.pid, otherpid may be 21952: Resource temporarily ...
David Portabella's user avatar
0 votes
0 answers
85 views

CronJob on MacOSX seems to be delayed. Is it normal?

I am running a cronjob on MacOSX. It just prints some information on a file every 5 minutes. I added a date command, and I see that the job runs sometimes after 10-15 seconds, but other times it can ...
n3mo's user avatar
  • 133
0 votes
0 answers
58 views

profile sync daemon crontab necessary?

I'm running ubuntu 22.04 and installed profile-sync-daemon. The configuration was pretty easy by simply using the defaults and activating the daemon: systemctl --user start psd systemctl --user status ...
Oliver R.'s user avatar
  • 239
0 votes
0 answers
46 views

Executing a service automatically or a script on init without a init system or cron

Little background: I have this Synology server with Linux that is running Docker Images. There is one docker image that has a ton of content already within and I cannot recreate it, so basically is ...
SirLouen's user avatar
0 votes
1 answer
54 views

Run Command after Laptop unfold

I want to run a bash file at a specific moment a day. (8:00 and 20:00). I've already managed to do this via crontab and also on startup if my computer was shut down at the time. My only problem is ...
Sebastian Illi's user avatar
1 vote
2 answers
603 views

Running shell Script via Crontab

So I've tried to run a shell script via crontab. My Crontabs look like this: 00 20 * * * $HOME/Bilder/Hintergründe/.background_skript/background_night.sh and my background_day.sh looks like this: `#!/...
Sebastian Illi's user avatar
1 vote
1 answer
379 views

How to tell which files are new or have been modified between calls of a script

I want to call a shell script regularly, and in it I need to process the files present in a directory tree that are new or that have been modified since the previous call of the script. My 1st thought ...
dargaud's user avatar
  • 220
0 votes
0 answers
345 views

sendmail cron job successfully sends out emails, but emails are not reaching my inbox

I created a script /etc/cron.hourly/test-hourly to send an email to me: #!/bin/bash EMAIL_TO="[email protected]" EMAIL_CC="[email protected]" SUBJECT="Cron hourly test $(...
demiglace's user avatar
  • 119
10 votes
5 answers
4k views

Cron can't find executable which works in terminal?

I've written a small tool in C++, compiled it, made it executable, and move it to /opt/tools/bin. The latter is a directory I created to store small, custom programs. I export it to $PATH in my ....
St4rb0y's user avatar
  • 213
1 vote
0 answers
36 views

Where are the files generated from a binary launched using launchd?

I am trying to setup a cron job using launchd, seemed quite straight forward with systemd on linux, but on mac, even though I have the process running (it is a local server, and I can confirm the API ...
nsrCodes's user avatar
  • 155
0 votes
0 answers
210 views

How to prevent systemd.timer immediately restart a service?

I have a daemon service that needs to keep working 08:00~16:00 every workday, and I want it exit at 16:00, and keep exited at rest time range and weekend. I make a systemd.timer for it as following: [...
Leon's user avatar
  • 239
0 votes
0 answers
151 views

mount and systemctl not executing inside crontab

Under root, i run crontab -e and write : 0 21 * * * systemctl stop transmission-daemon && umount /mnt/WD5 && hdparm -y /dev/sda I also tried 0 21 * * * mount /mnt/WD5 None of them ...
Adrien's user avatar
  • 101
0 votes
0 answers
101 views

CRON to Check if a webapp is working properly and report what happened if not

This is my first iteration in bash:This webapp does not have postgres but Apache 2.4, Tomcat 8. I check first the 200 http response. Then if http server is running and if the tomcat also does. I ...
Serendipia's user avatar
0 votes
0 answers
341 views

anacron Can't open timestamp file for job cron.daily: Permission denied

Why is anacron failing to run jobs? I just added a weekly backup job, but it fails to run with anacron -f. Here's the error in journalctl: anacron[28209]: Can't open timestamp file for job cron.daily: ...
The Bic Pen's user avatar
0 votes
2 answers
155 views

Cron job supposed to run on Tuesdays are running other days?

I have the following Cron rule: 0 8 1,2,3,4,5,6,7,14,15,16,17,18,19,20 * 2 /root/command.sh My objective is to run the /root/command.sh on Tuesday every two weeks. Crontab.guru returns the following: ...
Cyril N.'s user avatar
  • 416
2 votes
1 answer
159 views

list of files (ls /dev) is different when run on command line vs. via crontab

Why can't cron ls certain files in /dev using my script ? The script can list /dev completely when run from the command line. The same script run from either cron setup cannot see (list, ls) most of ...
David Purdy's user avatar
1 vote
1 answer
392 views

not able to mount filesystem (sshfs) using crontab

I have sh script file which works properly when running from command line using - ./start.sh which starts a tomcat server and mounts a drive with sshfs But when i do crontab -e @reboot /home/start....
Pradyut Bhattacharya's user avatar
0 votes
2 answers
533 views

How to setup cronjob with automated emails in linux?

I've been working on creating a script to scan a series of mailboxes on a linux server, find ones that have more than 250 emails in the mailbox, and then send an email with the name of those mailboxes ...
user avatar
1 vote
0 answers
763 views

Nginx: How to close connections that have been open for over an hour?

I am using an Nginx server with Debian 11 to offer download resources. I need to reset client connections that have been open for over an hour. Currently, I restart the Nginx service via a cron job ...
Sandra's user avatar
  • 111
0 votes
1 answer
817 views

php and apache not seeing anything in there defined tmp dirs

we have standard php and apache but not seeing anything in there defined tmp dirs How to check logs for non application 500s? I have actually 2 issues one is routing logs for https://www.test.com ...
sam23's user avatar
  • 69
0 votes
1 answer
92 views

SSH Tunnel via crontab with 2FA gives EOFError

I'm trying to setup a crontab which opens an ssh tunnel. Unlike other questions here and on stackoverflow, the server I'm connecting to has a 2FA which prompts the user for a password. However, I don'...
tgonzalez's user avatar
0 votes
0 answers
42 views

I created a cronjob years ago, now it is still running on the server but I can't locate it with "crontab -e", what can I do?

two years ago I created a cronjob which execute a python script to backup stuff. Now, the thing is that this cronjob is still running: /var/log/cron.log.1:Oct 9 20:00:02 syslogngsrv CRON[28292]: (...
Elia Pirola's user avatar
0 votes
1 answer
67 views

Cron Disrupting VBoxManage Commands

I am on Ubuntu 20.04 desktop, running Virtualbox 6.1 and I use Webmin to run a very simple cron job to take daily snapshots of my virtualbox test server as follows: VBoxManage snapshot VminServer ...
mjones's user avatar
  • 307
2 votes
1 answer
102 views

Cron task set to change Gnome 3 background doesn't update the background

I've made this simple script: #!/bin/bash # If started as root, then re-start as user "cyril": if [ "$(id -u)" -eq 0 ]; then exec sudo -H -u cyril $0 "$@" fi wget -...
Cyril N.'s user avatar
  • 416
1 vote
0 answers
134 views

Trigger graphical password prompt from a cron job

I have a few script to automate linux system backups with Borg. But those script need me to input a password through pinentry (gpg password prompt), in order to unlock my SSH key or the backup ...
Aeredren's user avatar
0 votes
1 answer
126 views

wordpress automatic updates via cron no root privileges?

this script is run by update.sh wich is run by cron every day at 2 o'clock, it allows wordpress to be updated automatically via cli (needs to be installed before) actually runs fine, when run as root ...
user418615's user avatar
0 votes
0 answers
82 views

When is the right time to set up iptables after system reboot?

I have a shell script that sets up a packet filter using iptables. The script works fine, but since im using iptables, the configuration gets reset after a system reboot and the packet filter no ...
Zciurus's user avatar
  • 101
0 votes
0 answers
162 views

Screen fails to properly load when called with crontab

What I'm doing I've been migrating one setup to another, copying configuration and installing dependencies, I was about to be done until screen didn't work as intended. I have a script that I keep ...
Tronikart's user avatar
  • 101
0 votes
1 answer
211 views

cron.d script launching then dying

Many stack posts seem to suggest something like: * * * * * root /usr/bin/pgrep -f 'socat -T10 TCP4-LISTEN:22222,fork UDP4:localhost:22223' || (/usr/bin/socat -T10 TCP4-LISTEN:22222,fork UDP4:localhost:...
AntonOfTheWoods's user avatar
0 votes
1 answer
207 views

Duplicity cron not working

I'm trying to run Duplicity backups via a cron script with --encrypt-key and a GNUPG key ID (from gpg --list-secret-keys). It's failing with /root/backup.sh: 5: --encrypt-key: not found but if I ...
Sam's user avatar
  • 170
0 votes
0 answers
192 views

git produces no output when called from script via cron (log/shortlog)

I've got a script git-test going to a local git repo and calling git shortlog to keep track of recent changes. For testing purposes, I just used these lines: #!/bin/bash cd /myrepo.git result="$(/...
Netnoob's user avatar

1
2 3 4 5
19