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Changes for page Openwrt Notes

Last modified by Leon Poon on 2019/11/02 17:53
From version 10.1
edited by Leon Poon
on 2019/01/06 09:14
Change comment: There is no comment for this version
To version 39.1
edited by Leon Poon
on 2019/11/02 06:18
Change comment: There is no comment for this version

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... ... @@ -39,16 +39,52 @@
39 39  ** when done next state (halt)
40 40  * halt - kill everything and either enter sleep loop or reboots
41 41  
42 += Modules =
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 +
42 42  = Debian =
43 43  
44 -Needs devtmpfs in kernel. This seem to be first thing that /sbin/init does. (Maybe systemd specific.)
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
54 +{{/code}}
45 45  
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 /mnt/cdrom
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 +* set hostname
66 +* set root password
67 +* /etc/network/interfaces (TODO: swconfig while still in openwrt initramfs space?)
68 +* apt-get install ~-~-no-install-recommends openssh-server (check that it is without libpam-systemd and systemd!!)
69 +* apt-get install net-tools file ntp openssh-server gcc
70 +** net-tools for ifconfig
71 +** gcc for?
72 +* echo vm.min_free_kbytes=16384 > /etc/sysctl.d/min_free_kbytes.conf
73 +* kernel modules ( tar -C ./staging_dir/target-*/root-*/ -vcjf - lib/modules | ssh TARGET_IP tar -C / -vxjf - )
74 +* read-only root
75 +
76 +Needs CONFIG_DEVTMPFS=y in kernel.
77 +
46 46  {{code language="bash"}}
47 -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
79 +mkdir -pv /mnt &&
80 +mknod /dev/sda b 8 0 &&
81 +cryptsetup open /dev/sda usb &&
82 +vgchange -ay vol_grp1 &&
83 +mount /dev/vol_grp1/logical_vol1 /mnt -o ro
48 48  {{/code}}
49 49  
50 50  {{code language="bash"}}
51 -chroot /mnt/debian /bin/bash
87 +chroot /mnt /bin/bash
52 52  {{/code}}
53 53  
54 54  {{code language="bash"}}
... ... @@ -56,7 +56,7 @@
56 56  {{/code}}
57 57  
58 58  {{code language="bash"}}
59 -exec switch_root /mnt/debian /sbin/init
95 +exec switch_root /mnt /sbin/init
60 60  {{/code}}
61 61  
62 62  {{code language="bash"}}
... ... @@ -65,3 +65,42 @@
65 65  ip route add default via GW
66 66  {{/code}}
67 67  
104 += Network =
105 +
106 +{{code language="bash"}}
107 +sed -re 's/^boot_run_hook/#\0/g' -i /etc/preinit
108 +PREINIT=1 . /etc/preinit
109 +preinit_config_board # set up the switch and lan ports on eth0.2, and create ip link
110 +json_select switch
111 +json_select switch0
112 +json_add_boolean reset 0 # do not reset when setting up wan ports on eth0.1
113 +json_select ..
114 +json_select ..
115 +preinit_config_switch switch0 eth0.1 # set up wan ports
116 +preinit_ip_config eth0.1 # create ip link
117 +ip address flush dev eth0 # del default address
118 +for pi_ifname in eth0.1 eth0.2; do
119 + ip -4 address flush dev $pi_ifname # del default address
120 + ip link set dev $pi_ifname down
121 +done
122 +{{/code}}
123 +
124 +
125 += UBI =
126 +
127 +{{code language="text"}}define Build/append-ubi
128 + sh $(TOPDIR)/scripts/ubinize-image.sh \
129 + $(if $(UBOOTENV_IN_UBI),--uboot-env) \
130 + $(if $(KERNEL_IN_UBI),--kernel $(IMAGE_KERNEL)) \
131 + $(foreach part,$(UBINIZE_PARTS),--part $(part)) \
132 + $(IMAGE_ROOTFS) \
133 + $@.tmp \
134 + -p $(BLOCKSIZE:%k=%KiB) -m $(PAGESIZE) \
135 + $(if $(SUBPAGESIZE),-s $(SUBPAGESIZE)) \
136 + $(if $(VID_HDR_OFFSET),-O $(VID_HDR_OFFSET)) \
137 + $(UBINIZE_OPTS)
138 + cat $@.tmp >> $@
139 + rm $@.tmp
140 +endef{{/code}}
141 +~{~{/code}}
142 +{{/code}}