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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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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Ubuntu-emulator, failed to run becuase of ureadahead

This is clone of Ubuntu emulator won't boot up on Ubuntu 15.04 as that question has not been answered so far. Ubuntu-emulator does not run, it stops because of failure of ureadahead. Here is full ...
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235 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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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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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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871 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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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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620 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 ...
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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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1k 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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905 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 ...