After a successful installation and boot to the newly installed Ubuntu Lucid with out problem, now it’s time for the post-installation. You might consider to create a user if you want, login as root with your previous password:
To add a user and set a password for that user.
# adduser
Step 1. You will need to edit your hosts file
# vi /etc/hosts
127.0.0.0.1 localhost.localdomain localhost
127.0.0.0.1 yourhostname
192.168.1.100 yourhostname.dotcom yourhostname
Change the 192.168.1.100 to fit your need.
Step 2. Re-create and reconfigure your file system table, this is quite tricky, I got three partition for on my hard drive for this installation method.
Name Flags Part Type FS Type [Label] Size (MB)
——————————————————————————————————————————–
sda1 Boot Primary Linux ext3 5239.51
sda5 Logical Linux ext3 4491.01
sda6 Logical Linux swap / Solaris 509.97
so just create new file system for the partition to used as a cache directory for Squid Proxy purpose.
# mkfs.ext3 /dev/sda5
# mkdir -p /var/spool/squid (note: you will need this)
# mount /dev/sda5 /var/spool/squid
Now edit your /etc/fstab file
# vi /etc/fstab
You will see the fstab file content is nothing except “UNCONFIGURED FSTAB FOR BASE SYSTEM”, find your UUID using blkid commmand
# blkid
/dev/sda1: UUID=”09dd88d5-251b-4c88-9643-3c2658fe3b50″ TYPE=”ext3″
/dev/sda5: UUID=”76835f78-cfee-4d52-a664-92bdf3d8a633″ TYPE=”ext3″
/dev/sda6: UUID=”b0f80d32-87d6-46f4-97b9-9aedd93334b6″ TYPE=”swap”
now enter those UUID without “quote” sign.
# vi /etc/fstab
#
proc /proc proc defaults 0 0
UUID=09dd88d5-251b-4c88-9643-3c2658fe3b50 / ext3 relatime,errors=remount-ro 0 1
UUID=76835f78-cfee-4d52-a664-92bdf3d8a633 /var/spool/squid ext3 nodev,nosuid 0 2
UUID=b0f80d32-87d6-46f4-97b9-9aedd93334b6 none swap sw 0 0
Esc then :wq! press Enter
now type the command below to see the changes
# sudo mount -a
# sudo mount
/dev/sda1 on / type ext3 (rw,relatime,errors=remount-ro)
proc on /proc type proc (rw)
none on /sys type sysfs (rw,noexec,nosuid,nodev)
none on /sys/fs/fuse/connections type fusectl (rw)
none on /sys/kernel/debug type debugfs (rw)
none on /sys/kernel/security type securityfs (rw)
udev on /dev type tmpfs (rw,mode=0755)
none on /dev/pts type devpts (rw,noexec,nosuid,gid=5,mode=0620)
none on /dev/shm type tmpfs (rw,nosuid,nodev)
none on /var/run type tmpfs (rw,nosuid,mode=0755)
none on /var/lock type tmpfs (rw,noexec,nosuid,nodev)
none on /lib/init/rw type tmpfs (rw,nosuid,mode=0755)
/dev/sda5 on /var
now edit your /etc/fstab file
After that reboot your system and pray hard
Then we will continue to setup our firewall and proxy server


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