I have refered to the small ks config of cloud-kickstarts.git, cleaned unused locales and some static file:
https://git.fedorahosted.org/cgit/cloud ... mall-20.ks
After livemedia-creator generated squashfs.img, it was NOT slim but become larger.
my minimal ks config paste: http://ix.io/dvv
this was the difference ks config with before simplified ks config:
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+gzip -9 /usr/share/cracklib/pw_dict.pwd
+
+localedef --list-archive | grep -v en_US | xargs localedef --delete-from-archive
+mv -f /usr/lib/locale/locale-archive /usr/lib/locale/locale-archive.tmpl
+/usr/sbin/build-locale-archive
+mv -f /usr/share/locale/en /usr/share/locale/en_US /tmp
+rm -rf /usr/share/locale/*
+mv /tmp/en /tmp/en_US /usr/share/locale/
+mv /usr/share/i18n/locales/en_US /tmp
+rm -rf /usr/share/i18n/locales/*
+mv /tmp/en_US /usr/share/i18n/locales/
+echo '%_install_langs C:en:en_US:en_US.UTF-8' >> /etc/rpm/macros.imgcreate
+
+truncate -c -s 0 /var/log/lastlog
rpm -qa|sort > /root/rpm-qa.txt
yum clean all
rm -f /etc/resolv.conf
rm -f /var/lib/rpm/__db*
+rm -rf /tmp/*
+rm -fr /var/log/anaconda
rm -fr /usr/share/doc/*
+rm -fr /usr/share/backgrounds/*
+rm -fr /usr/share/kde4/*
+rm -fr /var/lib/yum/yumdb/*
- compress cracklib pw_dict
- clean unused locale files
- rm some static pictures and log files
I mounted the different squashfs.img file:
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# losetup -l
NAME SIZELIMIT OFFSET AUTOCLEAR RO BACK-FILE
/dev/loop0 0 0 1 0 /var/tmp/tmp3vk1TM/LiveOS/squashfs.img
/dev/loop1 0 0 1 1 /mnt/1/LiveOS/rootfs.img
/dev/loop2 0 0 1 0 /var/tmp/tmpWRiKra/LiveOS/squashfs.img
/dev/loop3 0 0 1 1 /mnt/2/LiveOS/rootfs.img
# df -h
/dev/loop0 312M 312M 0 100% /mnt/1
/dev/loop1 21G 806M 20G 4% /media/1 <-- before clean
/dev/loop2 315M 315M 0 100% /mnt/2
/dev/loop3 21G 619M 21G 3% /media/2 <-- after clean
where has the spare space gone ?
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# du -sh /var/tmp/tmp3vk1TM/LiveOS/squashfs.img
312M /var/tmp/tmp3vk1TM/LiveOS/squashfs.img
# du -sh /var/tmp/tmpWRiKra/LiveOS/squashfs.img
315M /var/tmp/tmpWRiKra/LiveOS/squashfs.img
# find . -name rootfs.img|xargs du -sh
1.1G ./1/LiveOS/rootfs.img
1.1G ./2/LiveOS/rootfs.img
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# du -sh /media/1/*|sort -hr # du -sh /media/2/*|sort -hr
727M /media/1/usr <-- cleaned --> 540M /media/2/usr
42M /media/1/boot 42M /media/2/boot
21M /media/1/var 21M /media/2/var
9.6M /media/1/etc 9.6M /media/2/etc
3.2M /media/1/opt 3.2M /media/2/opt
144K /media/1/root 144K /media/2/root
12K /media/1/lost+found 12K /media/2/lost+found
11K /media/1/tmp 9.0K /media/2/tmp
1.0K /media/1/sys 1.0K /media/2/sys
1.0K /media/1/srv 1.0K /media/2/srv
1.0K /media/1/run 1.0K /media/2/run
1.0K /media/1/proc 1.0K /media/2/proc
1.0K /media/1/mnt 1.0K /media/2/mnt
1.0K /media/1/media 1.0K /media/2/media
1.0K /media/1/home 1.0K /media/2/home
1.0K /media/1/dev 1.0K /media/2/dev
0 /media/1/sbin 0 /media/2/sbin
0 /media/1/lib64 0 /media/2/lib64
0 /media/1/lib 0 /media/2/lib
0 /media/1/bin 0 /media/2/bin
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# du -sh /media/1/usr/lib/*|sort -hr|head # du -sh /media/2/usr/lib/*|sort -hr|head
103M /media/1/usr/lib/modules 103M /media/2/usr/lib/modules
102M /media/1/usr/lib/locale <-- locale --> 2.0M /media/2/usr/lib/locale
52M /media/1/usr/lib/firmware 52M /media/2/usr/lib/firmware
9.1M /media/1/usr/lib/udev 9.1M /media/2/usr/lib/udev
8.1M /media/1/usr/lib/python2.7 8.1M /media/2/usr/lib/python2.7
4.2M /media/1/usr/lib/grub 4.2M /media/2/usr/lib/grub
3.9M /media/1/usr/lib/systemd 3.9M /media/2/usr/lib/systemd
1.8M /media/1/usr/lib/kbd 1.8M /media/2/usr/lib/kbd
710K /media/1/usr/lib/dracut 710K /media/2/usr/lib/dracut
280K /media/1/usr/lib/rpm 280K /media/2/usr/lib/rpm
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# du -sh /media/1/usr/share/*|sort -hr|head # du -sh /media/2/usr/share/*|sort -hr|head
79M /media/1/usr/share/locale <-- locale --> 22M /media/2/usr/share/vim
22M /media/1/usr/share/vim 17M /media/2/usr/share/perl5
17M /media/1/usr/share/perl5 13M /media/2/usr/share/nmap
13M /media/1/usr/share/nmap 13M /media/2/usr/share/man
13M /media/1/usr/share/man 5.2M /media/2/usr/share/hwdata
9.0M /media/1/usr/share/cracklib 4.3M /media/2/usr/share/cracklib
8.6M /media/1/usr/share/i18n 4.2M /media/2/usr/share/mime
5.2M /media/1/usr/share/hwdata 3.0M /media/2/usr/share/i18n
4.2M /media/1/usr/share/mime 2.9M /media/2/usr/share/misc
2.9M /media/1/usr/share/misc 2.7M /media/2/usr/share/info
thanks