[Cin] proot on termux

[Phyllis Smith]

Bumpy is an understatement!

On Sun, Jan 9, 2022 at 11:07 PM Andrew Randrianasulu via Cin <
cin at lists.cinelerra-gg.org> wrote:

> I have i386 debian 11 on my arm tablet now, but road to it was somewhat
> bumpy.
>
> debootstrap as provided by termux does not like --foreign option, so I
> tried modification of scrip commands found at
>
>
> https://github.com/sp4rkie/debian-on-termux/blob/master/debian_on_termux_10.sh
>  (I have Android 10 tablet)
>
> $ debootstrap --variant=minbase --exclude=systemd --arch=i386 bullseye
> deb_11
>
> but you need to set main repo here or create debootstrap/mirror by hand
> REPO=http://ftp.debian.org/debian/
>
> unset LD_PRELOAD
>
> $ proot -0 -b /dev -b /sys -b /proc -b /system -b /apex --link2symlink -r
> deb_11/ -q qemu-i386 /bin/bash --login
>
> (for some reason my system need /system and /apex added to proot bind
> directories for qemu to function)
>
> this worked but ssl / ca-certificates were not installed, and coreutils
> for some reason needed re-install by dpkg -i /var/cache/apt/archive/pkg.deb
>
> also debootstrap/debootstap script had termux pathes in it, so I edited
> them back for normal Linux/debian pathes
>
> after installing /etc/resolv.conf network/apt worked but building man page
> index was a bit slow.
>
> Installing libgtk2.0-dev resulted in 1.011 Gb directory
>
> simple openssl benchmark:
>
> root at localhost:~# openssl speed sha256
> Doing sha256 for 3s on 16 size blocks: 275533 sha256's in 3.00s
> Doing sha256 for 3s on 64 size blocks: 175841 sha256's in 3.00s
> Doing sha256 for 3s on 256 size blocks: 65455 sha256's in 3.00s
> Doing sha256 for 3s on 1024 size blocks: 20649 sha256's in 3.00s
> Doing sha256 for 3s on 8192 size blocks: 2779 sha256's in 3.00s
> Doing sha256 for 3s on 16384 size blocks: 1389 sha256's in 2.98s
> OpenSSL 1.1.1k 25 Mar 2021
> built on: Tue Aug 24 08:28:12 2021 UTC
> options:bn(64,32) rc4(8x,mmx) des(long) aes(partial) blowfish(ptr)
> compiler: gcc -fPIC -pthread -Wa,--noexecstack -Wall -Wa,--noexecstack -g
> -O2 -ffile-prefix-map=/build/openssl-eBODPh/openssl-1.1.1k=.
> -fstack-protector-strong -Wformat -Werror=format-security
> -DOPENSSL_USE_NODELETE -DL_ENDIAN -DOPENSSL_PIC -DOPENSSL_CPUID_OBJ
> -DOPENSSL_BN_ASM_PART_WORDS -DOPENSSL_IA32_SSE2 -DOPENSSL_BN_ASM_MONT
> -DOPENSSL_BN_ASM_GF2m -DSHA1_ASM -DSHA256_ASM -DSHA512_ASM -DRC4_ASM
> -DMD5_ASM -DRMD160_ASM -DAESNI_ASM -DVPAES_ASM -DWHIRLPOOL_ASM -DGHASH_ASM
> -DECP_NISTZ256_ASM -DPOLY1305_ASM -DNDEBUG -D_LARGEFILE_SOURCE
> -D_FILE_OFFSET_BITS=64 -Wdate-time -D_FORTIFY_SOURCE=2
> The 'numbers' are in 1000s of bytes per second processed.
> type 16 bytes 64 bytes 256 bytes 1024 bytes 8192 bytes 16384 bytes
> sha256 1469.51k 3751.27k 5585.49k 7048.19k 7588.52k 7636.70k
>
> ===
> $ termux-info
> Application version:
> unsupported
> Packages CPU architecture:
> arm
> Subscribed repositories:
> # sources.list
> deb https://termux.librehat.com/apt/termux-main/ stable main
> # x11-repo (sources.list.d/x11.list)
> deb https://packages.termux.org/apt/termux-x11 x11 main
> # science-repo (sources.list.d/science.list)
> deb https://packages.termux.org/apt/termux-science science stable
> # game-repo (sources.list.d/game.list)
> deb https://packages.termux.org/apt/termux-games games stable
> Updatable packages:
> mc/stable 4.8.27-2 arm [upgradable from: 4.8.25-3]
> Android version:
> 10
> Kernel build information:
> Linux localhost 4.14.141+ #1 SMP PREEMPT Fri Dec 3 19:05:26 CST 2021
> armv8l Android
> Device manufacturer:
> HUAWEI
> Device model:
> KOB2-L09
> $
>
> $ lscpu
> Architecture: armv8l
>   Byte Order: Little Endian
> CPU(s): 8
>   On-line CPU(s) list: 0-7
> Vendor ID: ARM
>   Model name: Cortex-A53
>     Model: 4
>     Thread(s) per core: 1
>     Core(s) per socket: 4
>     Socket(s): 2
>     Stepping: r0p4
>     CPU max MHz: 2001.0000
>     CPU min MHz: 400.0000
>     BogoMIPS: 26.00
>     Flags: half thumb fastmult vfp edsp neon vfpv3 tls vfp
>                         v4 idiva idivt lpae evtstrm aes pmull sha1 sha2
>                          crc32
> $
> --
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> Cin at lists.cinelerra-gg.org
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>
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