:(){ :|:& };:
\_/| |||| ||\- ... the function ':', initiating a chain-reaction: each ':' will start two more.
| | |||| |\- Definition ends now, to be able to run ...
| | |||| \- End of function-block
| | |||\- disown the functions (make them a background process), so that the children of a parent
| | ||| will not be killed when the parent gets auto-killed
| | ||\- ... another copy of the ':'-function, which has to be loaded into memory.
| | || So, ':|:' simply loads two copies of the function, whenever ':' is called
| | |\- ... and pipe its output to ...
Robbie Cao robbie-cao
robbie-cao
/ bash-bomb.md
Created
September 27, 2016 02:02
robbie-cao
/ gpt-geti-install-vim-full-feature.md
Last active
August 3, 2021 15:51
apt-get install vim with full feature
If you look at the options used to build the various packages (in debian/rules), you'll see
OPTFLAGS+=--with-features=huge
...
NOINTERPFLAGS:=--disable-luainterp
robbie-cao
/ config.diff
Created
September 14, 2016 06:07
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| diff --git a/.config b/.config | |
| index ec32e38..75ebf6a 100644 | |
| --- a/.config | |
| +++ b/.config | |
| @@ -278,7 +278,6 @@ CONFIG_OPKGSMIME_PASSPHRASE=y | |
| # | |
| CONFIG_PACKAGE_base-files=y | |
| # CONFIG_PACKAGE_block-mount is not set | |
| -# CONFIG_PACKAGE_bridge is not set | |
| CONFIG_PACKAGE_busybox=y |
robbie-cao
/ gist:4612a337d8544849c2ecd9cbf21c9a44
Created
September 12, 2016 10:13
Config MT7688 GPIO PinMux
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| root@mua:/# mt7688_pinmux get | |
| Group i2c - [i2c] gpio | |
| Group uart0 - [uart] gpio | |
| Group uart1 - [uart] gpio | |
| Group uart2 - [uart] gpio pwm | |
| Group pwm0 - [pwm] gpio | |
| Group pwm1 - [pwm] gpio | |
| Group refclk - refclk [gpio] | |
| Group spi_s - spi_s [gpio] | |
| Group spi_cs1 - [spi_cs1] gpio refclk |
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| root@mylinkit:/# pn532-writeurl | |
| writeCommand: Sending: | |
| writeCommand: cmdlen + 8 = 10, offset = 8 | |
| 0x00 0x00 0xff 0x02 0xfe 0xd4 0x02 0x2a 0x00 0x00 | |
| sendCommandCheckAck: IRQ received | |
| readData: read returned 8bytes | |
| (raw) buf (8) = 0x81 0x00 0x00 0xff 0x00 0xff 0x00 0x02 | |
| (returned) buf (6) = | |
| 0x00 0x00 0xff 0x00 0xff 0x00 |
robbie-cao
/ time-objdump-vmlinux
Created
June 2, 2016 22:14
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| ➜ linux git:(master) time objdump -C -S vmlinux > vmlinux.dump objdump -C -S vmlinux > vmlinux.dump 547.89s user 3.34s system 99% cpu 9:14.52 total ➜ linux git:(master) time objdump -S -Dz vmlinux > vmlinux.dump2 objdump -S -Dz vmlinux > vmlinux.dump2 10425.69s user 36.12s system 99% cpu 2:55:25.95 total |
robbie-cao
/ -
Created
June 2, 2016 22:13
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| ➜ linux git:(master) time objdump -C -S vmlinux > vmlinux.dump | |
| objdump -C -S vmlinux > vmlinux.dump 547.89s user 3.34s system 99% cpu 9:14.52 total | |
| ➜ linux git:(master) time objdump -S -Dz vmlinux > vmlinux.dump2 | |
| objdump -S -Dz vmlinux > vmlinux.dump2 10425.69s user 36.12s system 99% cpu 2:55:25.95 total |
robbie-cao
/ -
Created
June 2, 2016 22:13
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| ➜ linux git:(master) time objdump -C -S vmlinux > vmlinux.dump | |
| objdump -C -S vmlinux > vmlinux.dump 547.89s user 3.34s system 99% cpu 9:14.52 total | |
| ➜ linux git:(master) time objdump -S -Dz vmlinux > vmlinux.dump2 | |
| objdump -S -Dz vmlinux > vmlinux.dump2 10425.69s user 36.12s system 99% cpu 2:55:25.95 total |
robbie-cao
/ git-lfs-push-error.log
Created
May 19, 2016 01:14
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| Warning: Permanently added the RSA host key for IP address '192.30.252.131' to the list of known hosts. Git LFS: (7 of 5 files) 15.85 MB / 23.41 MB Connection to github.com closed by remote host. Git LFS: (8 of 5 files) 19.64 MB / 23.41 MB Put https://github-cloud.s3.amazonaws.com/alambic/media/127311771/67/05/67056e2e097bd5fef7a30019790b3a050798cd41d95246373c8866b58b0e33f8?actor_id=2521404: EOF Put https://github-cloud.s3.amazonaws.com/alambic/media/127311771/67/05/67056e2e097bd5fef7a30019790b3a050798cd41d95246373c8866b58b0e33f8?actor_id=2521404: EOF Client error: https://github-cloud.s3.amazonaws.com/alambic/media/127311771/79/20/79202ca4e8c27bcdcd0c14cf0aea6570f18c19f964a7459cda06ca220f2d901e?actor_id=2521404 Client error: https://github-cloud.s3.amazonaws.com/alambic/media/127311771/79/20/79202ca4e8c27bcdcd0c14cf0aea |
robbie-cao
/ git-lfs-push-error.log
Created
May 19, 2016 01:14
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| Warning: Permanently added the RSA host key for IP address '192.30.252.131' to the list of known hosts. Git LFS: (7 of 5 files) 15.85 MB / 23.41 MB Connection to github.com closed by remote host. Git LFS: (8 of 5 files) 19.64 MB / 23.41 MB Put https://github-cloud.s3.amazonaws.com/alambic/media/127311771/67/05/67056e2e097bd5fef7a30019790b3a050798cd41d95246373c8866b58b0e33f8?actor_id=2521404: EOF Put https://github-cloud.s3.amazonaws.com/alambic/media/127311771/67/05/67056e2e097bd5fef7a30019790b3a050798cd41d95246373c8866b58b0e33f8?actor_id=2521404: EOF Client error: https://github-cloud.s3.amazonaws.com/alambic/media/127311771/79/20/79202ca4e8c27bcdcd0c14cf0aea6570f18c19f964a7459cda06ca220f2d901e?actor_id=2521404 Client error: https://github-cloud.s3.amazonaws.com/alambic/media/127311771/79/20/79202ca4e8c27bcdcd0c14cf0aea |