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Changes for page Openwrt Notes

Last modified by Leon Poon on 2019/11/02 17:53
From version 45.1
edited by Leon Poon
on 2019/11/02 06:34
Change comment: There is no comment for this version
To version 7.1
edited by Leon Poon
on 2019/01/06 08:56
Change comment: There is no comment for this version

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... ... @@ -39,108 +39,18 @@
39 39  ** when done next state (halt)
40 40  * halt - kill everything and either enter sleep loop or reboots
41 41  
42 -= Modules =
43 43  
44 -{{code}}
45 -cp -va ./build_dir/target-*/linux-*/linux-4*/modules.builtin ./staging_dir/target-*/root-*/lib/modules/4*
46 -# tar -C ./staging_dir/target-*/root-*/ -vcjf modules.tar.bz2 lib/modules
47 -{{/code}}
48 -
49 49  = Debian =
50 50  
45 +Needs devtmpfs in kernel. This seem to be first thing that /sbin/init does. (Maybe systemd specific.)
46 +
51 51  {{code}}
52 -debootstrap --variant=minbase --include locales,sudo,sysvinit-core,sysvinit-utils,vim-nox,screen,wget,ntp,bridge-utils,ifupdown --exclude=nano,vim-tiny --foreign stretch $PWD
53 -chroot $PWD debootstrap/debootstrap --second-stage
48 +mkdir -pv /mnt/debian && mknod /dev/sda b 8 0 && cryptsetup open /dev/sda usb && vgchange -ay vol_grp1 && mount /dev/vol_grp1/logical_vol1 /mnt/debian
49 +exec switch_root /mnt/debian /sbin/init
54 54  {{/code}}
55 55  
56 56  {{code}}
57 -qemu-debootstrap --include=locales,sudo,sysvinit-core,sysvinit-utils,vim-nox,screen,wget,ntp,bridge-utils,ifupdown --exclude=nano,vim-tiny,systemd,systemd-sysv --arch mipsel stretch $PWD
53 +ip addr add dev eth0 $IP/$NM
54 +ip route add default via $GW
58 58  {{/code}}
59 -
60 -Do not install openssh-server during bootstrap otherwise it will bring in systemd!
61 -
62 -Things to do after debootstrap:
63 -
64 -* [[get rid of systemd>>http://without-systemd.org/wiki/index.php/How_to_remove_systemd_from_a_Debian_Stretch_installation]]
65 -* dpkg-reconfigure locales
66 -* set hostname
67 -* set root password
68 -* /etc/network/interfaces (TODO: swconfig while still in openwrt initramfs space?)
69 -* apt-get install ~-~-no-install-recommends openssh-server (check that it is without libpam-systemd and systemd!!)
70 -* apt-get install net-tools file ntp openssh-server gcc lvm2
71 -** net-tools for ifconfig
72 -** gcc for?
73 -* echo vm.min_free_kbytes=16384 > /etc/sysctl.d/min_free_kbytes.conf
74 -* apt-get install kmod (depmod, etc)
75 -* kernel modules ( tar ~-~-owner=0 ~-~-group=0  -C ./staging_dir/target-*/root-*/ -vcjf - lib/modules | ssh TARGET_IP tar -C /chroot -vxjf - )
76 -* depmod
77 -* read-only root
78 -
79 -Needs CONFIG_DEVTMPFS=y in kernel.
80 -
81 -{{code language="bash"}}
82 -mkdir -pv /mnt &&
83 -mknod /dev/sda b 8 0 &&
84 -cryptsetup open /dev/sda usb &&
85 -vgchange -ay vol_grp1 &&
86 -mount /dev/vol_grp1/logical_vol1 /mnt -o ro
87 -{{/code}}
88 -
89 -{{code language="bash"}}
90 -chroot /mnt /bin/bash
91 -{{/code}}
92 -
93 -{{code language="bash"}}
94 -mount proc /proc -t proc
95 -{{/code}}
96 -
97 -{{code language="bash"}}
98 -exec switch_root /mnt /sbin/init
99 -{{/code}}
100 -
101 -{{code language="bash"}}
102 -ip addr add dev eth0 IP/NM
103 -ip link set eth0 up
104 -ip route add default via GW
105 -{{/code}}
106 -
107 -= Network =
108 -
109 -{{code language="bash"}}
110 -sed -re 's/^boot_run_hook/#\0/g' -i /etc/preinit
111 -PREINIT=1 . /etc/preinit
112 -preinit_config_board # set up the switch and lan ports on eth0.2, and create ip link
113 -json_select switch
114 -json_select switch0
115 -json_add_boolean reset 0 # do not reset when setting up wan ports on eth0.1
116 -json_select ..
117 -json_select ..
118 -preinit_config_switch switch0 eth0.1 # set up wan ports
119 -preinit_ip_config eth0.1 # create ip link
120 -ip address flush dev eth0 # del default address
121 -for pi_ifname in eth0.1 eth0.2; do
122 - ip -4 address flush dev $pi_ifname # del default address
123 - ip link set dev $pi_ifname down
124 -done
125 -{{/code}}
126 -
127 -
128 -= UBI =
129 -
130 -{{code language="text"}}
131 -define Build/append-ubi
132 - sh $(TOPDIR)/scripts/ubinize-image.sh \
133 - $(if $(UBOOTENV_IN_UBI),--uboot-env) \
134 - $(if $(KERNEL_IN_UBI),--kernel $(IMAGE_KERNEL)) \
135 - $(foreach part,$(UBINIZE_PARTS),--part $(part)) \
136 - $(IMAGE_ROOTFS) \
137 - $@.tmp \
138 - -p $(BLOCKSIZE:%k=%KiB) -m $(PAGESIZE) \
139 - $(if $(SUBPAGESIZE),-s $(SUBPAGESIZE)) \
140 - $(if $(VID_HDR_OFFSET),-O $(VID_HDR_OFFSET)) \
141 - $(UBINIZE_OPTS)
142 - cat $@.tmp >> $@
143 - rm $@.tmp
144 -endef
145 -{{/code}}
146 146