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Changes for page Openwrt Notes

Last modified by Leon Poon on 2019/11/02 17:53
From version 5.1
edited by Leon Poon
on 2019/01/06 08:42
Change comment: There is no comment for this version
To version 37.1
edited by Leon Poon
on 2019/11/02 06:04
Change comment: There is no comment for this version

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... ... @@ -17,7 +17,6 @@
17 17  ** /etc/preinit in subprocess
18 18  * when /etc/preinit is done then it execvp the "real" /sbin/procd
19 19  
20 -
21 21  procd states:
22 22  
23 23  * early (first state):
... ... @@ -40,11 +40,95 @@
40 40  ** when done next state (halt)
41 41  * halt - kill everything and either enter sleep loop or reboots
42 42  
42 += Debian =
43 43  
44 +{{code}}
45 +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
46 +chroot $PWD debootstrap/debootstrap --second-stage
47 +{{/code}}
44 44  
49 +{{code}}
50 +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
51 +{{/code}}
45 45  
46 -= Debian =
53 +Do not install openssh-server during bootstrap otherwise it will bring in systemd!
47 47  
48 -Needs devtmpfs in kernel (this seem to be first thing that /sbin/init does.
55 +Things to do after debootstrap:
49 49  
50 -
57 +* [[get rid of systemd>>http://without-systemd.org/wiki/index.php/How_to_remove_systemd_from_a_Debian_Stretch_installation]]
58 +* set hostname
59 +* set root password
60 +* /etc/network/interfaces (TODO: swconfig while still in openwrt initramfs space?)
61 +* apt-get install ~-~-no-install-recommends openssh-server (check that it is without libpam-systemd and systemd!!)
62 +* apt-get install net-tools file ntp openssh-server gcc
63 +** net-tools for ifconfig
64 +** gcc for?
65 +* echo vm.min_free_kbytes=16384 > /etc/sysctl.d/min_free_kbytes.conf
66 +* read-only root
67 +
68 +Needs CONFIG_DEVTMPFS=y in kernel.
69 +
70 +{{code language="bash"}}
71 +mkdir -pv /mnt &&
72 +mknod /dev/sda b 8 0 &&
73 +cryptsetup open /dev/sda usb &&
74 +vgchange -ay vol_grp1 &&
75 +mount /dev/vol_grp1/logical_vol1 /mnt -o ro
76 +{{/code}}
77 +
78 +{{code language="bash"}}
79 +chroot /mnt /bin/bash
80 +{{/code}}
81 +
82 +{{code language="bash"}}
83 +mount proc /proc -t proc
84 +{{/code}}
85 +
86 +{{code language="bash"}}
87 +exec switch_root /mnt /sbin/init
88 +{{/code}}
89 +
90 +{{code language="bash"}}
91 +ip addr add dev eth0 IP/NM
92 +ip link set eth0 up
93 +ip route add default via GW
94 +{{/code}}
95 +
96 += Network =
97 +
98 +{{code language="bash"}}
99 +sed -re 's/^boot_run_hook/#\0/g' -i /etc/preinit
100 +PREINIT=1 . /etc/preinit
101 +preinit_config_board # set up the switch and lan ports on eth0.2, and create ip link
102 +json_select switch
103 +json_select switch0
104 +json_add_boolean reset 0 # do not reset when setting up wan ports on eth0.1
105 +json_select ..
106 +json_select ..
107 +preinit_config_switch switch0 eth0.1 # set up wan ports
108 +preinit_ip_config eth0.1 # create ip link
109 +ip address flush dev eth0 # del default address
110 +for pi_ifname in eth0.1 eth0.2; do
111 + ip -4 address flush dev $pi_ifname # del default address
112 + ip link set dev $pi_ifname down
113 +done
114 +{{/code}}
115 +
116 +
117 += UBI =
118 +
119 +{{code language="text"}}define Build/append-ubi
120 + sh $(TOPDIR)/scripts/ubinize-image.sh \
121 + $(if $(UBOOTENV_IN_UBI),--uboot-env) \
122 + $(if $(KERNEL_IN_UBI),--kernel $(IMAGE_KERNEL)) \
123 + $(foreach part,$(UBINIZE_PARTS),--part $(part)) \
124 + $(IMAGE_ROOTFS) \
125 + $@.tmp \
126 + -p $(BLOCKSIZE:%k=%KiB) -m $(PAGESIZE) \
127 + $(if $(SUBPAGESIZE),-s $(SUBPAGESIZE)) \
128 + $(if $(VID_HDR_OFFSET),-O $(VID_HDR_OFFSET)) \
129 + $(UBINIZE_OPTS)
130 + cat $@.tmp >> $@
131 + rm $@.tmp
132 +endef{{/code}}
133 +~{~{/code}}