I have 10 GPU attached to one system and want to mine with all, as ubuntu GUI not allow to run 10 GPU at a time, So will go with the command line and able to mine there.

Now I want to run my miner on system startup for particular this I am following this tutorial (step-7). I have done all the things as per tutorial but not able to start ./start_only_eth.bash command(no screen session created) in screen session.

If I am executing below command, I am able to find this session using "screen -ls" command.

screen -dmS ethm

Below is my script (demo.sh)

// update

if [ "x$1" = "x" -o "x$1" = "xnone" ]; then
sleep $DELAY
su aman -c "screen -dmS ethm /home/aman/Desktop/claymore/start_only_eth.bash"

I have added this script's path in rc.local file as mentioned in this tutorial (step-7).

below is my rc.local

#!/bin/sh -e
# rc.local
# This script is executed at the end of each multiuser runlevel.
# Make sure that the script will "exit 0" on success or any other
# value on error.
# In order to enable or disable this script just change the execution 
# bits.
# By default this script does nothing.

 sh '/home/aman/Desktop/demo.sh'
  exit 0

After restart if I execute "screen -ls" command I got below message

No Sockets found in /var/run/screen/S-aman.

Note: I think problem is not in rc.local, problem is in demo.sh. If try to execute demo.sh manually the script will fail and got above message.

// // -------------------------- With TMUX -------------------- // //

I have also tried this with tmux, this time I am able to run miner(manually) in tmux session but again fail to run script using rc.local for this below is my demo.sh

tmux new-session -d -n MINER
tmux send-keys -t MINER "cd /home/aman/Desktop/claymore" C-m
tmux send-keys -t MINER "./start_only_eth.bash" C-m

Below is what I am getting(console) when try to test rc.local

aman@aman-System-Product-Name:~$ sudo /etc/init.d/rc.local start
[sudo] password for aman: 
[ ok ] Starting rc.local (via systemctl): rc.local.service.
  • What error message do you get when you run your script? – vidarlo Jun 2 '18 at 16:59
  • I am getting "No Sockets found in /var/run/screen/S-aman." when executing screen -ls – Anand Suthar Jun 2 '18 at 17:05
  • But what do you get when you start your script demo.sh in a terminal? – vidarlo Jun 2 '18 at 17:17
  • 1.) If I run demo.sh (tmux) manually, mining will start but same script will not work with rc.local. 2) If I run demo.sh (screen) manually nothing will happen and also not work in rc.local. I am not getting any error in script. (They are just not working in rc.local - on system startup) – Anand Suthar Jun 2 '18 at 17:20
cd /home/Desktop/claymore
su aman -c "screen -dmS ethm ./start_only_eth.bash"

There's multiple problems with this. First of all, the path is likely to be /home/username/Desktop/claymore. Second, the cd affects the current script, and is likely not carried over to screen, across the su.


su aman -c "screen -dmS ethm /home/username/Desktop/claymore/start_only_eth.bash"

If the script start_only_eth.bash requires to have PWD set to that directory, place a line with

cd /home/username/Desktop/claymore

as the second line of the script.

Replace username with the actual username.

| improve this answer | |
  • I have tried this but no luck for this I have update my question please check. – Anand Suthar Jun 2 '18 at 16:06

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