Slow speeds while copying large file in UBUNTU 18.04 Lts
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I am Copying a large file in my USB DRIVE while copying more than half part it stucks and halt there while i cannot copy that file. I am trying this command
echo $((16*1024*1024)) > /proc/sys/vm/dirty_background_bytes
echo $((48*1024*1024)) > /proc/sys/vm/dirty_bytes
But it error-ed that.
bash: /proc/sys/vm/dirty_background_bytes: Permission denied
18.04 copy
asked May 15 at 10:25
Robo Lover
15
 |Â
show 5 more comments
up vote
0
down vote
favorite
I am Copying a large file in my USB DRIVE while copying more than half part it stucks and halt there while i cannot copy that file. I am trying this command
echo $((16*1024*1024)) > /proc/sys/vm/dirty_background_bytes
echo $((48*1024*1024)) > /proc/sys/vm/dirty_bytes
But it error-ed that.
bash: /proc/sys/vm/dirty_background_bytes: Permission denied
18.04 copy
asked May 15 at 10:25
Robo Lover
15
going to sound basic here but did you usesudoat the beginning of the command?
– delfiler
May 15 at 10:26
bash: /proc/sys/vm/dirty_background_bytes: Permission denied..Same error.
– Robo Lover
May 15 at 10:28
okay what account are you using to copy with? if you are not using root then you might not have the permision to copy.
– delfiler
May 15 at 10:32
1
can u explain me..i didn't get ur point
– Robo Lover
May 15 at 10:33
@delfiler If it were a permission issue the copy wouldn't have started at all.
– dsstorefile1
May 15 at 11:26
 |Â
show 5 more comments
up vote
0
down vote
favorite
up vote
0
down vote
favorite
I am Copying a large file in my USB DRIVE while copying more than half part it stucks and halt there while i cannot copy that file. I am trying this command
echo $((16*1024*1024)) > /proc/sys/vm/dirty_background_bytes
echo $((48*1024*1024)) > /proc/sys/vm/dirty_bytes
But it error-ed that.
bash: /proc/sys/vm/dirty_background_bytes: Permission denied
18.04 copy
asked May 15 at 10:25
Robo Lover
15
I am Copying a large file in my USB DRIVE while copying more than half part it stucks and halt there while i cannot copy that file. I am trying this command
echo $((16*1024*1024)) > /proc/sys/vm/dirty_background_bytes
echo $((48*1024*1024)) > /proc/sys/vm/dirty_bytes
But it error-ed that.
bash: /proc/sys/vm/dirty_background_bytes: Permission denied
18.04 copy
asked May 15 at 10:25
Robo Lover
15
asked May 15 at 10:25
Robo Lover
15
asked May 15 at 10:25
Robo Lover
15
asked May 15 at 10:25
Robo Lover
15
15
going to sound basic here but did you usesudoat the beginning of the command?
– delfiler
May 15 at 10:26
bash: /proc/sys/vm/dirty_background_bytes: Permission denied..Same error.
– Robo Lover
May 15 at 10:28
okay what account are you using to copy with? if you are not using root then you might not have the permision to copy.
– delfiler
May 15 at 10:32
1
can u explain me..i didn't get ur point
– Robo Lover
May 15 at 10:33
@delfiler If it were a permission issue the copy wouldn't have started at all.
– dsstorefile1
May 15 at 11:26
 |Â
show 5 more comments
going to sound basic here but did you usesudoat the beginning of the command?
– delfiler
May 15 at 10:26
bash: /proc/sys/vm/dirty_background_bytes: Permission denied..Same error.
– Robo Lover
May 15 at 10:28
okay what account are you using to copy with? if you are not using root then you might not have the permision to copy.
– delfiler
May 15 at 10:32
1
can u explain me..i didn't get ur point
– Robo Lover
May 15 at 10:33
@delfiler If it were a permission issue the copy wouldn't have started at all.
– dsstorefile1
May 15 at 11:26
going to sound basic here but did you use
sudo at the beginning of the command?– delfiler
May 15 at 10:26
going to sound basic here but did you use
sudo at the beginning of the command?– delfiler
May 15 at 10:26
bash: /proc/sys/vm/dirty_background_bytes: Permission denied..Same error.
– Robo Lover
May 15 at 10:28
bash: /proc/sys/vm/dirty_background_bytes: Permission denied..Same error.
– Robo Lover
May 15 at 10:28
okay what account are you using to copy with? if you are not using root then you might not have the permision to copy.
– delfiler
May 15 at 10:32
okay what account are you using to copy with? if you are not using root then you might not have the permision to copy.
– delfiler
May 15 at 10:32
1
1
can u explain me..i didn't get ur point
– Robo Lover
May 15 at 10:33
can u explain me..i didn't get ur point
– Robo Lover
May 15 at 10:33
@delfiler If it were a permission issue the copy wouldn't have started at all.
– dsstorefile1
May 15 at 11:26
@delfiler If it were a permission issue the copy wouldn't have started at all.
– dsstorefile1
May 15 at 11:26
 |Â
show 5 more comments
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going to sound basic here but did you use
sudoat the beginning of the command?– delfiler
May 15 at 10:26
bash: /proc/sys/vm/dirty_background_bytes: Permission denied..Same error.
– Robo Lover
May 15 at 10:28
okay what account are you using to copy with? if you are not using root then you might not have the permision to copy.
– delfiler
May 15 at 10:32
1
can u explain me..i didn't get ur point
– Robo Lover
May 15 at 10:33
@delfiler If it were a permission issue the copy wouldn't have started at all.
– dsstorefile1
May 15 at 11:26