ureadahead is the boot pre-caching system. It dramatically increases boot speed. ureadahead only needs to run when boot changes are made or its files are deleted.
Questions tagged [ureadahead]
17 questions
37
votes
3 answers
92% of syslog is filled with message regarding 'ureadahead' ignoring relative path
I just turned on my laptop (using Ubuntu 15.10 64-bit) and checked syslog for today's logs. From total
$ cat /var/log/syslog | grep 'Mar 23' | wc -l
23791
$ cat /var/log/syslog | grep -P 'Mar 23.*Ignored relative path' | wc -l
21863
and the…
Mostafa Ahangarha
- 4,687
18
votes
2 answers
apt: ureadahead will be reprofiled on next reboot
I typed this command to remove a package and related configuration files:
sudo apt-get --purge remove supervisor
The command ended without errors but I got this message:
ureadahead will be reprofiled on next reboot
What does it mean? Do I have to…
Paolo
- 1,798
11
votes
1 answer
How to check if ureadahead functioning
I got spinning 5400 rpm 1Gb drive.
Booting takes 69 seconds (is it slow?) and /var/lib/ureadahead contains empty directory debugfs. That is why I wonder if ureadahead does its job.
/var directory is on root partition
~ > df
Filesystem Size …
zuba
- 2,423
7
votes
3 answers
Ureadahead slows down boot process on Ubuntu 12.04
I'm using Ubuntu 12.04 64bit installed on a WD Velociraptor (10.000 rpm) hard disk. I'm not using Wubi, it's a clear install.
I think that "adding swap" procedure on boot takes too long. At first I thought that it has something to do with the swap…
naskoos
- 379
7
votes
1 answer
Do e4rat and ureadahead have the same purpose?
I have used e4rat before to speed up Ubuntu. My understanding of it is that it moves files around on the disk to speed up boot times. However, I am also under the impression that ureadahead fulfills the same purpose. Am I mistaken in their…
fouric
- 4,698
5
votes
2 answers
Ureadahead errors
How to prevent ureadahead from trying to read
non-existent logs from home folder.
journalctl -u ureadahead.service give errors like these below:
ureadahead:/home/$USER/.cache/upstart/gnome-keyring.log: There is no such file or folder …
EdiD
- 4,617
- 3
- 27
- 41
4
votes
1 answer
Ureadahead - how to clear it's cache?
I am using Xubuntu 11.10 on old laptop with Pentium M and 1GB RAM. Please tell me, how to clear ureadahead cache, so I can build an "index" of files again, I would like to improve my system boot time, which takes about 1 minute.
pioruns
- 43
4
votes
0 answers
Is there a modern equivalent to e4rat?
I used to use e4rat to improve boot speed to great effect. However, lately, I've noticed that Ubuntu isn't starting e4rat properly, and its effect has diminished, vanished, in fact. In light of this, I was wondering if there was a modern alternative…
4
votes
2 answers
Possible to use ureadahead to cache frequently used programs?
EDIT I kinda answered my question with the help of this. The only question remaining is how to make the changes permanently stay in the pack-file and not be lost on reprofile. I'll leave the question open in case someone knows of a way (I'll accept…
turbo
- 4,712
2
votes
0 answers
Ureadahead not working on ubuntu 12.04lts
I discovered using bootchart that my ureadahead isn't working on ubuntu 12.04lts on a dell inspiron 1545, anybody have any suggestions?
weldon
- 21
2
votes
1 answer
Broken services (systemd-modules-load.service +..) after upgrade to 22.04
Just updated my server from 16.04 up to 22.04 one step at a time. Now I have these problems that are way beyond me. The machine is still working. How can I fix these broken services? Or can I somehow remove them if they redundant?
$ sudo systemctl…
RichEarle
- 81
1
vote
1 answer
Strange atime changes in home-folder
I recently recognized some strange behavior of my system and my atime-records of my /home files.
I tried to code a simple script to check whether some files in the /Downloads folder are untouched for some days and delete them afterwards. As I try to…
Alex
- 43
1
vote
0 answers
ureadhead no such file or directory at kernel startup: how to disable not found files?
My kernel loading is slow so I ran a
journalctl -b
to see what was wrong and I saw that my kernel spent 4 seconds because ureadhead doesn't find some files, just as:
ott 25 14:01:29 andrea-Lenovo-Z50-70 ureadahead[255]:…
Andrean
- 301
0
votes
1 answer
Cannot purge roundup
I was trying to purge roundup, and aptitude has output the following error lines:
update-rc.d: /etc/init.d/roundup exists during rc.d purge (use -f to force)
dpkg: error processing roundup (--purge):
subprocess installed post-removal script…
Bach
- 751
0
votes
1 answer
Issue with "ureadahead" and "util-linux" packages
My system is encountering issues while processing packages ureadahead and util-linux:
root@sait32:/home/sait32/Downloads# sudo dpkg --configure -a
dpkg: error processing package ureadahead (--configure):
package is in a very bad inconsistent state;…
