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Questions tagged [ureadahead]

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.

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54 views

Issue with “ureadahead” and “util-linux” packages [duplicate]

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 (--...
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1answer
61 views

Preload for PlayOnLinux Application?

I am already using ureadahead and preload for a long time. It works fine, but I often have to use Microsoft Office 2010, which is installed with PlayOnLinux. The first load of Word, Excel or ...
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0answers
49 views

ureadahead appears to be caching files from Trash Can

With one of the fastest NVMe SSD's on the market I'm not even sure ureadahead has been beneficial to me. After reading these messages though I'm wondering if it is detrimental: Oct 16 16:48:57 alien ...
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1answer
183 views

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 ...
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0answers
2k views

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-...
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0answers
215 views

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, ...
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3answers
25k views

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.*...
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1answer
1k views

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-...
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1answer
4k views

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 ...
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1answer
1k views

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): ...
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2answers
3k views

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 ...
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2answers
11k views

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 ...
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1answer
772 views

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 ...
2
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0answers
530 views

Ureadahead not working on ubuntu 12.04lts [closed]

I discovered using bootchart that my ureadahead isn't working on ubuntu 12.04lts on a dell inspiron 1545, anybody have any suggestions?
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1answer
4k views

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, ...
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2answers
1k views

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 ...