| 98 | | |
| 99 | | |
| 100 | | |
| 101 | | |
| 102 | | |
| 103 | | |
| 104 | | |
| 105 | | |
| 106 | | == Exportar el sqfs del ogLive a formato IMG para su modificación == |
| 107 | | |
| 108 | | |
| 109 | | {{{ |
| 110 | | Advertencia previa: |
| 111 | | 6 ----------------------------- |
| 112 | | 7 - No usar este proceso en un sistema OpenGnNys en producción. |
| 113 | | 8 - Se puede ejecutar este script desde un sistema Ubuntu 10.04, 11.04, 11.10, 12.04 |
| 114 | | 11 |
| 115 | | 12 Requisitos iniciales |
| 116 | | 13 -------------------- |
| 117 | | 14 - Utilizar el usuario "root" para ejecutar el proceso de exportación sqfs a img. |
| 118 | | 15 - Comprobar la conexión a Internet, sobre todo si usas proxy: |
| 119 | | -- apt # /etc/apt.conf |
| 120 | | -- subversion # /etc/subversion/servers |
| 121 | | -- otras # variable http_proxy |
| 122 | | 16 - /var/lib/tftpboot espacio libre 2 GB. |
| 123 | | }}} |
| 124 | | |
| 125 | | |
| 126 | | * Requisitos previos |
| 127 | | |
| 128 | | {{{ |
| 129 | | * Detección kernel del ogLive a modificar. |
| 130 | | root@ogTRUNK:/# ls /opt/opengnsys/lib/ |
| 131 | | ogLive-precise-3.2.0-23-generic-pae-r3017.iso |
| 132 | | |
| 133 | | * Usar en equipo mismo kernel que el ogLive a moficiar. |
| 134 | | root@ogTRUNK:/opt/opengnsys/lib# uname -a |
| 135 | | Linux ogTRUNK 3.2.0-20-generic #33-Ubuntu SMP Tue Mar 27 16:42:26 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux |
| 136 | | |
| 137 | | apt-get install linux-image-3.0.0-23-generic-pae linux-image-3.0.0-23-generic-pae |
| 138 | | |
| 139 | | root@ogTRUNK:/opt/opengnsys/lib# cat /etc/lsb-release |
| 140 | | DISTRIB_ID=Ubuntu |
| 141 | | DISTRIB_RELEASE=12.04 |
| 142 | | DISTRIB_CODENAME=precise |
| 143 | | DISTRIB_DESCRIPTION="Ubuntu 12.04 LTS" |
| 144 | | |
| 145 | | |
| 146 | | |
| 147 | | }} |
| 148 | | |
| 149 | | NOTA: este procedimiento se ha comprobado en una ubuntu server 12.04 32bits "copy & paste". |
| 150 | | {{{ |
| 151 | | apt-get install schroot subversion wget; |
| 152 | | export OGCLIENTBASEDIR=/var/lib/tftpboot/ogclient/; |
| 153 | | export OGCLIENTFILE=${OGCLIENTBASEDIR}ogclient.img; |
| 154 | | export OGCLIENTMOUNT=${OGCLIENTBASEDIR}ogclientmount; |
| 155 | | export OGCLIENTSIZEMB=1900; |
| 156 | | export OGCLIENTLABEL=ogClient; |
| 157 | | |
| 158 | | mkdir -p $OGCLIENTMOUNT; |
| 159 | | dd if=/dev/zero of=$OGCLIENTFILE bs=1048576 count=$OGCLIENTSIZEMB; |
| 160 | | DISKLOOP=$(losetup -f); |
| 161 | | losetup $DISKLOOP $OGCLIENTFILE; |
| 162 | | echo -e "n\np\n1\n\n\nt\n83\nw" | fdisk $DISKLOOP; |
| 163 | | losetup -d $DISKLOOP ; |
| 164 | | PARTLOOP=$(losetup -f); |
| 165 | | losetup -o 32256 $PARTLOOP $OGCLIENTFILE && mkfs.ext3 -b 4096 -L $OGCLIENTLABEL $PARTLOOP; |
| 166 | | losetup -d $PARTLOOP ; |
| 167 | | losetup -d $PARTLOOP ; |
| 168 | | |
| 169 | | mount | grep $OGCLIENTMOUNT || mount $OGCLIENTFILE $OGCLIENTMOUNT -o loop,offset=32256; |
| 170 | | |
| 171 | | unsquashfs -d /opt/opengnsys/tftpboot/ogclient/ogclientmount/ -f /opt/opengnsys/tftpboot/ogclient/ogclient.sqfs ; |
| 172 | | umount $OGCLIENTMOUNT; |
| 173 | | echo "fin"; |
| 174 | | |
| 175 | | }}} |
| 176 | | |
| 177 | | {{{ |
| 178 | | echo "Configurando acceso al disco virtual ogLive, formato IMG"; |
| 179 | | cp /etc/schroot/schroot.conf /etc/schroot/schroot.conf.`getDateTime`; |
| 180 | | cat << EOF > /etc/schroot/schroot.conf |
| 181 | | [IMGogclient] |
| 182 | | type=loopback |
| 183 | | file=/var/lib/tftpboot/ogclient/ogclient.img |
| 184 | | description=ogclient ubuntu luc IMGi |
| 185 | | #priority=1 |
| 186 | | users=root |
| 187 | | groups=root |
| 188 | | root-groups=root |
| 189 | | mount-options=-o offset=32256 |
| 190 | | root-users=root |
| 191 | | #[IMGogclient] |
| 192 | | #type=loopback |
| 193 | | #file=/var/lib/tftpboot/ogclient/ogclient.img |
| 194 | | #description=ogclient ubuntu luc IMGi |
| 195 | | #priority=1 |
| 196 | | #users=root |
| 197 | | #groups=root |
| 198 | | #root-groups=root |
| 199 | | #mount-options=-o offset=32256 |
| 200 | | #root-users=root |
| 201 | | #[DIRogclient] |
| 202 | | #type=directory |
| 203 | | #directory=/var/lib/tftpboot/ogclient/ogclientmount |
| 204 | | #description=ogclient ubuntu lucid DIR |
| 205 | | #priority=2 |
| 206 | | #users=root |
| 207 | | #groups=root |
| 208 | | #root-groups=root |
| 209 | | #root-users=root |
| 210 | | EOF |
| 211 | | echo "Configurando montajes automáticos del sistema ogLive en formato IMG"; |
| 212 | | cp /etc/schroot/mount-defaults /etc/schroot/mount-defaults.`getDateTime`; |
| 213 | | cat << EOF > /etc/schroot/mount-defaults |
| 214 | | # mount.defaults: static file system information for chroots. |
| 215 | | # Note that the mount point will be prefixed by the chroot path |
| 216 | | # (CHROOT_PATH) |
| 217 | | # |
| 218 | | # <file system> <mount point> <type> <options> <dump> <pass> |
| 219 | | proc /proc proc defaults 0 0 |
| 220 | | #procbususb /proc/bus/usb usbfs defaults 0 0 |
| 221 | | #/dev /dev none rw,bind 0 0 |
| 222 | | /dev/pts /dev/pts none rw,bind 0 0 |
| 223 | | /dev/shm /dev/shm none rw,bind 0 0 |
| 224 | | #/home /home none rw,bind 0 0 |
| 225 | | /tmp /tmp none rw,bind 0 0 |
| 226 | | EOF |
| 227 | | |
| 228 | | echo "Fin configuración acceso al ogLive formato IMG"; |
| 229 | | |
| 230 | | }}} |
| 231 | | |
