'분류 전체보기' 카테고리의 글 목록 (171 Page)

'잡동사니'에 해당되는 글 13034건

dmg 파일 분해

완전히 파고들어보진 못하고 대충 겉만 핥아봄

dmg 자체는 bzip2 니까.. 압축율은 꽤 좋겠군..

% file *
XQuartz-2.8.1.dmg: bzip2 compressed data, block size = 100k

압축을 풀면 chrome은 깨진건지 GEN GDOS font라고 나오고, xquartz를 풀어보니 data 라고 나온다.

다만 압축 해제시 EOF 이후에 먼가 더 데이터가 있나 보다.

% file *
googlechrome.dmg.out: GEM GDOS font ?x 8, ID 0x5245, lightening mask 0x0, skewing mask 0x0

% bzip2 -d XQuartz-2.8.1.dmg -k
bzip2: Can't guess original name for XQuartz-2.8.1.dmg -- using XQuartz-2.8.1.dmg.out

bzip2: XQuartz-2.8.1.dmg: trailing garbage after EOF ignored

% file *
XQuartz-2.8.1.dmg: bzip2 compressed data, block size = 100k
XQuartz-2.8.1.dmg.out: data

앞 부분을 열어보니 HFSJ.. 어째 오버레이 가능한 파일 시스템이 아닌가 의심..

파일을 설치할때 마운트 하고(jail 에서?) 본 파일 시스템으로 적용하면서 복사하는건 아니겠지?

% head XQuartz-2.8.1.dmg.out
H+?!HFSJܫ=?ܫ?ܫ?{????????.^o?pp???pp?

?``?z?%

Within the system, an HFS Plus volume with a journal is identified as HFSJ.

[링크 : https://en.wikipedia.org/wiki/HFS_Plus]

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Posted by 구차니

mac python opencv 설치

카탈리나에서 설치

% pip3 install opencv-python
Collecting opencv-python
Using cached https://files.pythonhosted.org/packages/30/81/0baa771f44a0898ea9eaa7437f76d429608aee591d080cc521760b704bad/opencv_python-4.5.5.64-cp36-abi3-macosx_10_15_x86_64.whl
Collecting numpy>=1.14.5; python_version >= "3.7" (from opencv-python)
Using cached https://files.pythonhosted.org/packages/52/d0/d7a200f2c3d6c6a879dbdc6d762c7dbed542527333ac9a6a72c8ffab9814/numpy-1.22.3-cp38-cp38-macosx_10_14_x86_64.whl
Installing collected packages: numpy, opencv-python
ERROR: Could not install packages due to an EnvironmentError: [Errno 13] Permission denied: '/Library/Python/3.8'
Consider using the `--user` option or check the permissions.

WARNING: You are using pip version 19.2.3, however version 22.0.4 is available.
You should consider upgrading via the 'pip install --upgrade pip' command.

[링크 : https://potensj.tistory.com/73]

[링크 : https://yunslog.tistory.com/27]

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Posted by 구차니

mac os

터미널 exit시 종료하게 하기

[링크 : https://support.apple.com/ko-kr/guide/terminal/trmlshll/2.12/mac/11.0]

콘솔 screen 유틸리티 사용하기

맥이 아니라 *nix 유틸리티의 경우 command 키 조합이 아니라 control 키 조합인게냐.. -_-

[링크 : https://tttsss77.tistory.com/52]

스크린샷 shift-command-3,4

[링크 : https://support.apple.com/ko-kr/HT201361]

앱, 데스크탑 넘기기

[링크 : https://support.apple.com/ko-kr/guide/mac-help/mh14112/mac]

+

40분 동안 13% 빠지면 6~7 시간은 충분히 버텨줄 듯.

$나 # 대신에 %가 뜨니 신기하네. zsh 특징인듯 하다.

% uptime
11:08 up 38 mins, 2 users, load averages: 1.38 2.81 2.68

패치해서 그런가 커널이 2022년 2월 15일 버전으로 똭

% uname -a
Darwin shinui-MacBookAir.local 19.6.0 Darwin Kernel Version 19.6.0: Tue Feb 15 21:39:11 PST 2022; root:xnu-6153.141.59~1/RELEASE_X86_64 x86_64

linux오는 비슷하지만 다르게 nvme가 disk1s5 식으로 명명된다.

% df -h
Filesystem Size Used Avail Capacity iused ifree %iused Mounted on
/dev/disk1s5 113Gi 10Gi 92Gi 11% 488255 1182354225 0% /
devfs 187Ki 187Ki 0Bi 100% 646 0 100% /dev
/dev/disk1s1 113Gi 8.4Gi 92Gi 9% 130143 1182712337 0% /System/Volumes/Data
/dev/disk1s4 113Gi 1.0Gi 92Gi 2% 2 1182842478 0% /private/var/vm
map auto_home 0Bi 0Bi 0Bi 100% 0 0 100% /System/Volumes/Data/home
/dev/disk2s1 124Mi 107Mi 17Mi 87% 5 4294967274 0% /Volumes/XQuartz-2.8.1

/dev는 평이한 느낌이고

% ls -al /dev/
total 9
dr-xr-xr-x 3 root wheel 4360 3 20 10:31 .
drwxr-xr-x 22 root admin 704 3 19 19:23 ..
crw------- 1 root wheel 19, 1 3 20 10:31 afsc_type5
crw------- 1 root wheel 10, 0 3 20 10:31 auditpipe
crw-r--r-- 1 root wheel 9, 2 3 20 10:31 auditsessions
crw------- 1 root wheel 22, 0 3 20 10:31 autofs
crw------- 1 root wheel 34, 0 3 20 10:31 autofs_control
crw-rw-rw- 1 root wheel 33, 20 3 20 10:31 autofs_homedirmounter
crw-rw-rw- 1 root wheel 32, 20 3 20 10:31 autofs_notrigger
crw-rw-rw- 1 root wheel 31, 0x00000484 3 20 10:31 autofs_nowait
crw------- 1 root wheel 23, 0 3 20 10:31 bpf0
crw------- 1 root wheel 23, 1 3 20 10:31 bpf1
crw------- 1 root wheel 23, 2 3 20 10:31 bpf2
crw------- 1 root wheel 23, 3 3 20 10:31 bpf3
crw------- 1 shin staff 0, 0 3 20 10:31 console
crw-rw-rw- 1 root wheel 18, 1 3 20 10:31 cu.Bluetooth-Incoming-Port
brw-r----- 1 root operator 1, 0 3 20 10:31 disk0
brw-r----- 1 root operator 1, 1 3 20 10:31 disk0s1
brw-r----- 1 root operator 1, 2 3 20 10:31 disk0s2
brw-r----- 1 root operator 1, 3 3 20 10:31 disk1
brw-r----- 1 root operator 1, 4 3 20 10:31 disk1s1
brw-r----- 1 root operator 1, 8 3 20 10:31 disk1s2
brw-r----- 1 root operator 1, 6 3 20 10:31 disk1s3
brw-r----- 1 root operator 1, 5 3 20 10:31 disk1s4
brw-r----- 1 root operator 1, 7 3 20 10:31 disk1s5
br--r----- 1 shin staff 1, 9 3 20 11:05 disk2
br--r----- 1 shin staff 1, 10 3 20 11:05 disk2s1
crw-rw-rw- 1 root wheel 24, 31 3 20 10:31 dtrace
crw-rw-rw- 1 root wheel 25, 0 3 20 10:31 dtracehelper
crw-rw-rw- 1 root wheel 0, 0 3 20 10:31 fbt
dr-xr-xr-x 1 root wheel 0 3 20 10:31 fd
crw-r--r-- 1 root wheel 13, 0 3 20 10:31 fsevents
crw-rw-rw- 1 root wheel 21, 13 3 20 10:31 io8log
cr--r--r-- 1 root wheel 21, 14 3 20 10:31 io8logmt
crw-rw-rw- 1 root wheel 21, 9 3 20 11:16 io8logtemp
crw------- 1 root wheel 6, 0 3 20 10:31 klog
crw-rw-rw- 1 root wheel 0, 0 3 20 10:31 lockstat
crw-rw-rw- 1 root wheel 0, 0 3 20 10:31 machtrace
crw-rw-rw- 1 root wheel 3, 2 3 20 11:16 null
crw------- 1 root wheel 7, 0 3 20 10:31 oslog
crw------- 1 root wheel 8, 0 3 20 10:31 oslog_stream
crw------- 1 root wheel 11, 0 3 20 10:31 pf
crw------- 1 root wheel 11, 1 3 20 10:31 pfm
crw------- 1 root operator 20, 0 3 20 10:31 pmCPU
crw-rw-rw- 1 root wheel 0, 0 3 20 10:31 profile
crw-rw-rw- 1 root tty 15, 1 3 20 11:16 ptmx
crw-rw-rw- 1 root wheel 5, 0 3 20 10:31 ptyp0
crw-rw-rw- 1 root wheel 5, 1 3 20 10:31 ptyp1
crw-rw-rw- 1 root wheel 5, 2 3 20 10:31 ptyp2
crw-rw-rw- 1 root wheel 5, 3 3 20 10:31 ptyp3
crw-rw-rw- 1 root wheel 5, 4 3 20 10:31 ptyp4
crw-rw-rw- 1 root wheel 5, 5 3 20 10:31 ptyp5
crw-rw-rw- 1 root wheel 5, 6 3 20 10:31 ptyp6
crw-rw-rw- 1 root wheel 5, 7 3 20 10:31 ptyp7
crw-rw-rw- 1 root wheel 5, 8 3 20 10:31 ptyp8
crw-rw-rw- 1 root wheel 5, 9 3 20 10:31 ptyp9
crw-rw-rw- 1 root wheel 5, 10 3 20 10:31 ptypa
crw-rw-rw- 1 root wheel 5, 11 3 20 10:31 ptypb
crw-rw-rw- 1 root wheel 5, 12 3 20 10:31 ptypc
crw-rw-rw- 1 root wheel 5, 13 3 20 10:31 ptypd
crw-rw-rw- 1 root wheel 5, 14 3 20 10:31 ptype
crw-rw-rw- 1 root wheel 5, 15 3 20 10:31 ptypf
crw-rw-rw- 1 root wheel 5, 16 3 20 10:31 ptyq0
crw-rw-rw- 1 root wheel 5, 17 3 20 10:31 ptyq1
crw-rw-rw- 1 root wheel 5, 18 3 20 10:31 ptyq2
crw-rw-rw- 1 root wheel 5, 19 3 20 10:31 ptyq3
crw-rw-rw- 1 root wheel 5, 20 3 20 10:31 ptyq4
crw-rw-rw- 1 root wheel 5, 21 3 20 10:31 ptyq5
crw-rw-rw- 1 root wheel 5, 22 3 20 10:31 ptyq6
crw-rw-rw- 1 root wheel 5, 23 3 20 10:31 ptyq7
crw-rw-rw- 1 root wheel 5, 24 3 20 10:31 ptyq8
crw-rw-rw- 1 root wheel 5, 25 3 20 10:31 ptyq9
crw-rw-rw- 1 root wheel 5, 26 3 20 10:31 ptyqa
crw-rw-rw- 1 root wheel 5, 27 3 20 10:31 ptyqb
crw-rw-rw- 1 root wheel 5, 28 3 20 10:31 ptyqc
crw-rw-rw- 1 root wheel 5, 29 3 20 10:31 ptyqd
crw-rw-rw- 1 root wheel 5, 30 3 20 10:31 ptyqe
crw-rw-rw- 1 root wheel 5, 31 3 20 10:31 ptyqf
crw-rw-rw- 1 root wheel 5, 32 3 20 10:31 ptyr0
crw-rw-rw- 1 root wheel 5, 33 3 20 10:31 ptyr1
crw-rw-rw- 1 root wheel 5, 34 3 20 10:31 ptyr2
crw-rw-rw- 1 root wheel 5, 35 3 20 10:31 ptyr3
crw-rw-rw- 1 root wheel 5, 36 3 20 10:31 ptyr4
crw-rw-rw- 1 root wheel 5, 37 3 20 10:31 ptyr5
crw-rw-rw- 1 root wheel 5, 38 3 20 10:31 ptyr6
crw-rw-rw- 1 root wheel 5, 39 3 20 10:31 ptyr7
crw-rw-rw- 1 root wheel 5, 40 3 20 10:31 ptyr8
crw-rw-rw- 1 root wheel 5, 41 3 20 10:31 ptyr9
crw-rw-rw- 1 root wheel 5, 42 3 20 10:31 ptyra
crw-rw-rw- 1 root wheel 5, 43 3 20 10:31 ptyrb
crw-rw-rw- 1 root wheel 5, 44 3 20 10:31 ptyrc
crw-rw-rw- 1 root wheel 5, 45 3 20 10:31 ptyrd
crw-rw-rw- 1 root wheel 5, 46 3 20 10:31 ptyre
crw-rw-rw- 1 root wheel 5, 47 3 20 10:31 ptyrf
crw-rw-rw- 1 root wheel 5, 48 3 20 10:31 ptys0
crw-rw-rw- 1 root wheel 5, 49 3 20 10:31 ptys1
crw-rw-rw- 1 root wheel 5, 50 3 20 10:31 ptys2
crw-rw-rw- 1 root wheel 5, 51 3 20 10:31 ptys3
crw-rw-rw- 1 root wheel 5, 52 3 20 10:31 ptys4
crw-rw-rw- 1 root wheel 5, 53 3 20 10:31 ptys5
crw-rw-rw- 1 root wheel 5, 54 3 20 10:31 ptys6
crw-rw-rw- 1 root wheel 5, 55 3 20 10:31 ptys7
crw-rw-rw- 1 root wheel 5, 56 3 20 10:31 ptys8
crw-rw-rw- 1 root wheel 5, 57 3 20 10:31 ptys9
crw-rw-rw- 1 root wheel 5, 58 3 20 10:31 ptysa
crw-rw-rw- 1 root wheel 5, 59 3 20 10:31 ptysb
crw-rw-rw- 1 root wheel 5, 60 3 20 10:31 ptysc
crw-rw-rw- 1 root wheel 5, 61 3 20 10:31 ptysd
crw-rw-rw- 1 root wheel 5, 62 3 20 10:31 ptyse
crw-rw-rw- 1 root wheel 5, 63 3 20 10:31 ptysf
crw-rw-rw- 1 root wheel 5, 64 3 20 10:31 ptyt0
crw-rw-rw- 1 root wheel 5, 65 3 20 10:31 ptyt1
crw-rw-rw- 1 root wheel 5, 66 3 20 10:31 ptyt2
crw-rw-rw- 1 root wheel 5, 67 3 20 10:31 ptyt3
crw-rw-rw- 1 root wheel 5, 68 3 20 10:31 ptyt4
crw-rw-rw- 1 root wheel 5, 69 3 20 10:31 ptyt5
crw-rw-rw- 1 root wheel 5, 70 3 20 10:31 ptyt6
crw-rw-rw- 1 root wheel 5, 71 3 20 10:31 ptyt7
crw-rw-rw- 1 root wheel 5, 72 3 20 10:31 ptyt8
crw-rw-rw- 1 root wheel 5, 73 3 20 10:31 ptyt9
crw-rw-rw- 1 root wheel 5, 74 3 20 10:31 ptyta
crw-rw-rw- 1 root wheel 5, 75 3 20 10:31 ptytb
crw-rw-rw- 1 root wheel 5, 76 3 20 10:31 ptytc
crw-rw-rw- 1 root wheel 5, 77 3 20 10:31 ptytd
crw-rw-rw- 1 root wheel 5, 78 3 20 10:31 ptyte
crw-rw-rw- 1 root wheel 5, 79 3 20 10:31 ptytf
crw-rw-rw- 1 root wheel 5, 80 3 20 10:31 ptyu0
crw-rw-rw- 1 root wheel 5, 81 3 20 10:31 ptyu1
crw-rw-rw- 1 root wheel 5, 82 3 20 10:31 ptyu2
crw-rw-rw- 1 root wheel 5, 83 3 20 10:31 ptyu3
crw-rw-rw- 1 root wheel 5, 84 3 20 10:31 ptyu4
crw-rw-rw- 1 root wheel 5, 85 3 20 10:31 ptyu5
crw-rw-rw- 1 root wheel 5, 86 3 20 10:31 ptyu6
crw-rw-rw- 1 root wheel 5, 87 3 20 10:31 ptyu7
crw-rw-rw- 1 root wheel 5, 88 3 20 10:31 ptyu8
crw-rw-rw- 1 root wheel 5, 89 3 20 10:31 ptyu9
crw-rw-rw- 1 root wheel 5, 90 3 20 10:31 ptyua
crw-rw-rw- 1 root wheel 5, 91 3 20 10:31 ptyub
crw-rw-rw- 1 root wheel 5, 92 3 20 10:31 ptyuc
crw-rw-rw- 1 root wheel 5, 93 3 20 10:31 ptyud
crw-rw-rw- 1 root wheel 5, 94 3 20 10:31 ptyue
crw-rw-rw- 1 root wheel 5, 95 3 20 10:31 ptyuf
crw-rw-rw- 1 root wheel 5, 96 3 20 10:31 ptyv0
crw-rw-rw- 1 root wheel 5, 97 3 20 10:31 ptyv1
crw-rw-rw- 1 root wheel 5, 98 3 20 10:31 ptyv2
crw-rw-rw- 1 root wheel 5, 99 3 20 10:31 ptyv3
crw-rw-rw- 1 root wheel 5, 100 3 20 10:31 ptyv4
crw-rw-rw- 1 root wheel 5, 101 3 20 10:31 ptyv5
crw-rw-rw- 1 root wheel 5, 102 3 20 10:31 ptyv6
crw-rw-rw- 1 root wheel 5, 103 3 20 10:31 ptyv7
crw-rw-rw- 1 root wheel 5, 104 3 20 10:31 ptyv8
crw-rw-rw- 1 root wheel 5, 105 3 20 10:31 ptyv9
crw-rw-rw- 1 root wheel 5, 106 3 20 10:31 ptyva
crw-rw-rw- 1 root wheel 5, 107 3 20 10:31 ptyvb
crw-rw-rw- 1 root wheel 5, 108 3 20 10:31 ptyvc
crw-rw-rw- 1 root wheel 5, 109 3 20 10:31 ptyvd
crw-rw-rw- 1 root wheel 5, 110 3 20 10:31 ptyve
crw-rw-rw- 1 root wheel 5, 111 3 20 10:31 ptyvf
crw-rw-rw- 1 root wheel 5, 112 3 20 10:31 ptyw0
crw-rw-rw- 1 root wheel 5, 113 3 20 10:31 ptyw1
crw-rw-rw- 1 root wheel 5, 114 3 20 10:31 ptyw2
crw-rw-rw- 1 root wheel 5, 115 3 20 10:31 ptyw3
crw-rw-rw- 1 root wheel 5, 116 3 20 10:31 ptyw4
crw-rw-rw- 1 root wheel 5, 117 3 20 10:31 ptyw5
crw-rw-rw- 1 root wheel 5, 118 3 20 10:31 ptyw6
crw-rw-rw- 1 root wheel 5, 119 3 20 10:31 ptyw7
crw-rw-rw- 1 root wheel 5, 120 3 20 10:31 ptyw8
crw-rw-rw- 1 root wheel 5, 121 3 20 10:31 ptyw9
crw-rw-rw- 1 root wheel 5, 122 3 20 10:31 ptywa
crw-rw-rw- 1 root wheel 5, 123 3 20 10:31 ptywb
crw-rw-rw- 1 root wheel 5, 124 3 20 10:31 ptywc
crw-rw-rw- 1 root wheel 5, 125 3 20 10:31 ptywd
crw-rw-rw- 1 root wheel 5, 126 3 20 10:31 ptywe
crw-rw-rw- 1 root wheel 5, 127 3 20 10:31 ptywf
crw-rw-rw- 1 root wheel 14, 0 3 20 10:31 random
crw-r----- 1 root operator 1, 0 3 20 10:31 rdisk0
crw-r----- 1 root operator 1, 1 3 20 10:31 rdisk0s1
crw-r----- 1 root operator 1, 2 3 20 10:31 rdisk0s2
crw-r----- 1 root operator 1, 3 3 20 10:31 rdisk1
crw-r----- 1 root operator 1, 4 3 20 10:31 rdisk1s1
crw-r----- 1 root operator 1, 8 3 20 10:31 rdisk1s2
crw-r----- 1 root operator 1, 6 3 20 10:31 rdisk1s3
crw-r----- 1 root operator 1, 5 3 20 10:31 rdisk1s4
crw-r----- 1 root operator 1, 7 3 20 10:31 rdisk1s5
cr--r----- 1 shin staff 1, 9 3 20 11:05 rdisk2
cr--r----- 1 shin staff 1, 10 3 20 11:05 rdisk2s1
crw-rw-rw- 1 root wheel 0, 0 3 20 10:31 sdt
lr-xr-xr-x 1 root wheel 0 3 20 10:31 stderr -> fd/2
lr-xr-xr-x 1 root wheel 0 3 20 10:31 stdin -> fd/0
lr-xr-xr-x 1 root wheel 0 3 20 10:31 stdout -> fd/1
crw-rw-rw- 1 root wheel 0, 0 3 20 10:31 systrace
crw-rw-rw- 1 root wheel 2, 0 3 20 10:31 tty
crw-rw-rw- 1 root wheel 18, 0 3 20 10:31 tty.Bluetooth-Incoming-Port
crw-rw-rw- 1 root wheel 4, 0 3 20 10:31 ttyp0
crw-rw-rw- 1 root wheel 4, 1 3 20 10:31 ttyp1
crw-rw-rw- 1 root wheel 4, 2 3 20 10:31 ttyp2
crw-rw-rw- 1 root wheel 4, 3 3 20 10:31 ttyp3
crw-rw-rw- 1 root wheel 4, 4 3 20 10:31 ttyp4
crw-rw-rw- 1 root wheel 4, 5 3 20 10:31 ttyp5
crw-rw-rw- 1 root wheel 4, 6 3 20 10:31 ttyp6
crw-rw-rw- 1 root wheel 4, 7 3 20 10:31 ttyp7
crw-rw-rw- 1 root wheel 4, 8 3 20 10:31 ttyp8
crw-rw-rw- 1 root wheel 4, 9 3 20 10:31 ttyp9
crw-rw-rw- 1 root wheel 4, 10 3 20 10:31 ttypa
crw-rw-rw- 1 root wheel 4, 11 3 20 10:31 ttypb
crw-rw-rw- 1 root wheel 4, 12 3 20 10:31 ttypc
crw-rw-rw- 1 root wheel 4, 13 3 20 10:31 ttypd
crw-rw-rw- 1 root wheel 4, 14 3 20 10:31 ttype
crw-rw-rw- 1 root wheel 4, 15 3 20 10:31 ttypf
crw-rw-rw- 1 root wheel 4, 16 3 20 10:31 ttyq0
crw-rw-rw- 1 root wheel 4, 17 3 20 10:31 ttyq1
crw-rw-rw- 1 root wheel 4, 18 3 20 10:31 ttyq2
crw-rw-rw- 1 root wheel 4, 19 3 20 10:31 ttyq3
crw-rw-rw- 1 root wheel 4, 20 3 20 10:31 ttyq4
crw-rw-rw- 1 root wheel 4, 21 3 20 10:31 ttyq5
crw-rw-rw- 1 root wheel 4, 22 3 20 10:31 ttyq6
crw-rw-rw- 1 root wheel 4, 23 3 20 10:31 ttyq7
crw-rw-rw- 1 root wheel 4, 24 3 20 10:31 ttyq8
crw-rw-rw- 1 root wheel 4, 25 3 20 10:31 ttyq9
crw-rw-rw- 1 root wheel 4, 26 3 20 10:31 ttyqa
crw-rw-rw- 1 root wheel 4, 27 3 20 10:31 ttyqb
crw-rw-rw- 1 root wheel 4, 28 3 20 10:31 ttyqc
crw-rw-rw- 1 root wheel 4, 29 3 20 10:31 ttyqd
crw-rw-rw- 1 root wheel 4, 30 3 20 10:31 ttyqe
crw-rw-rw- 1 root wheel 4, 31 3 20 10:31 ttyqf
crw-rw-rw- 1 root wheel 4, 32 3 20 10:31 ttyr0
crw-rw-rw- 1 root wheel 4, 33 3 20 10:31 ttyr1
crw-rw-rw- 1 root wheel 4, 34 3 20 10:31 ttyr2
crw-rw-rw- 1 root wheel 4, 35 3 20 10:31 ttyr3
crw-rw-rw- 1 root wheel 4, 36 3 20 10:31 ttyr4
crw-rw-rw- 1 root wheel 4, 37 3 20 10:31 ttyr5
crw-rw-rw- 1 root wheel 4, 38 3 20 10:31 ttyr6
crw-rw-rw- 1 root wheel 4, 39 3 20 10:31 ttyr7
crw-rw-rw- 1 root wheel 4, 40 3 20 10:31 ttyr8
crw-rw-rw- 1 root wheel 4, 41 3 20 10:31 ttyr9
crw-rw-rw- 1 root wheel 4, 42 3 20 10:31 ttyra
crw-rw-rw- 1 root wheel 4, 43 3 20 10:31 ttyrb
crw-rw-rw- 1 root wheel 4, 44 3 20 10:31 ttyrc
crw-rw-rw- 1 root wheel 4, 45 3 20 10:31 ttyrd
crw-rw-rw- 1 root wheel 4, 46 3 20 10:31 ttyre
crw-rw-rw- 1 root wheel 4, 47 3 20 10:31 ttyrf
crw-rw-rw- 1 root wheel 4, 48 3 20 10:31 ttys0
crw--w---- 1 shin tty 16, 0 3 20 11:16 ttys000
crw-rw-rw- 1 root wheel 4, 49 3 20 10:31 ttys1
crw-rw-rw- 1 root wheel 4, 50 3 20 10:31 ttys2
crw-rw-rw- 1 root wheel 4, 51 3 20 10:31 ttys3
crw-rw-rw- 1 root wheel 4, 52 3 20 10:31 ttys4
crw-rw-rw- 1 root wheel 4, 53 3 20 10:31 ttys5
crw-rw-rw- 1 root wheel 4, 54 3 20 10:31 ttys6
crw-rw-rw- 1 root wheel 4, 55 3 20 10:31 ttys7
crw-rw-rw- 1 root wheel 4, 56 3 20 10:31 ttys8
crw-rw-rw- 1 root wheel 4, 57 3 20 10:31 ttys9
crw-rw-rw- 1 root wheel 4, 58 3 20 10:31 ttysa
crw-rw-rw- 1 root wheel 4, 59 3 20 10:31 ttysb
crw-rw-rw- 1 root wheel 4, 60 3 20 10:31 ttysc
crw-rw-rw- 1 root wheel 4, 61 3 20 10:31 ttysd
crw-rw-rw- 1 root wheel 4, 62 3 20 10:31 ttyse
crw-rw-rw- 1 root wheel 4, 63 3 20 10:31 ttysf
crw-rw-rw- 1 root wheel 4, 64 3 20 10:31 ttyt0
crw-rw-rw- 1 root wheel 4, 65 3 20 10:31 ttyt1
crw-rw-rw- 1 root wheel 4, 66 3 20 10:31 ttyt2
crw-rw-rw- 1 root wheel 4, 67 3 20 10:31 ttyt3
crw-rw-rw- 1 root wheel 4, 68 3 20 10:31 ttyt4
crw-rw-rw- 1 root wheel 4, 69 3 20 10:31 ttyt5
crw-rw-rw- 1 root wheel 4, 70 3 20 10:31 ttyt6
crw-rw-rw- 1 root wheel 4, 71 3 20 10:31 ttyt7
crw-rw-rw- 1 root wheel 4, 72 3 20 10:31 ttyt8
crw-rw-rw- 1 root wheel 4, 73 3 20 10:31 ttyt9
crw-rw-rw- 1 root wheel 4, 74 3 20 10:31 ttyta
crw-rw-rw- 1 root wheel 4, 75 3 20 10:31 ttytb
crw-rw-rw- 1 root wheel 4, 76 3 20 10:31 ttytc
crw-rw-rw- 1 root wheel 4, 77 3 20 10:31 ttytd
crw-rw-rw- 1 root wheel 4, 78 3 20 10:31 ttyte
crw-rw-rw- 1 root wheel 4, 79 3 20 10:31 ttytf
crw-rw-rw- 1 root wheel 4, 80 3 20 10:31 ttyu0
crw-rw-rw- 1 root wheel 4, 81 3 20 10:31 ttyu1
crw-rw-rw- 1 root wheel 4, 82 3 20 10:31 ttyu2
crw-rw-rw- 1 root wheel 4, 83 3 20 10:31 ttyu3
crw-rw-rw- 1 root wheel 4, 84 3 20 10:31 ttyu4
crw-rw-rw- 1 root wheel 4, 85 3 20 10:31 ttyu5
crw-rw-rw- 1 root wheel 4, 86 3 20 10:31 ttyu6
crw-rw-rw- 1 root wheel 4, 87 3 20 10:31 ttyu7
crw-rw-rw- 1 root wheel 4, 88 3 20 10:31 ttyu8
crw-rw-rw- 1 root wheel 4, 89 3 20 10:31 ttyu9
crw-rw-rw- 1 root wheel 4, 90 3 20 10:31 ttyua
crw-rw-rw- 1 root wheel 4, 91 3 20 10:31 ttyub
crw-rw-rw- 1 root wheel 4, 92 3 20 10:31 ttyuc
crw-rw-rw- 1 root wheel 4, 93 3 20 10:31 ttyud
crw-rw-rw- 1 root wheel 4, 94 3 20 10:31 ttyue
crw-rw-rw- 1 root wheel 4, 95 3 20 10:31 ttyuf
crw-rw-rw- 1 root wheel 4, 96 3 20 10:31 ttyv0
crw-rw-rw- 1 root wheel 4, 97 3 20 10:31 ttyv1
crw-rw-rw- 1 root wheel 4, 98 3 20 10:31 ttyv2
crw-rw-rw- 1 root wheel 4, 99 3 20 10:31 ttyv3
crw-rw-rw- 1 root wheel 4, 100 3 20 10:31 ttyv4
crw-rw-rw- 1 root wheel 4, 101 3 20 10:31 ttyv5
crw-rw-rw- 1 root wheel 4, 102 3 20 10:31 ttyv6
crw-rw-rw- 1 root wheel 4, 103 3 20 10:31 ttyv7
crw-rw-rw- 1 root wheel 4, 104 3 20 10:31 ttyv8
crw-rw-rw- 1 root wheel 4, 105 3 20 10:31 ttyv9
crw-rw-rw- 1 root wheel 4, 106 3 20 10:31 ttyva
crw-rw-rw- 1 root wheel 4, 107 3 20 10:31 ttyvb
crw-rw-rw- 1 root wheel 4, 108 3 20 10:31 ttyvc
crw-rw-rw- 1 root wheel 4, 109 3 20 10:31 ttyvd
crw-rw-rw- 1 root wheel 4, 110 3 20 10:31 ttyve
crw-rw-rw- 1 root wheel 4, 111 3 20 10:31 ttyvf
crw-rw-rw- 1 root wheel 4, 112 3 20 10:31 ttyw0
crw-rw-rw- 1 root wheel 4, 113 3 20 10:31 ttyw1
crw-rw-rw- 1 root wheel 4, 114 3 20 10:31 ttyw2
crw-rw-rw- 1 root wheel 4, 115 3 20 10:31 ttyw3
crw-rw-rw- 1 root wheel 4, 116 3 20 10:31 ttyw4
crw-rw-rw- 1 root wheel 4, 117 3 20 10:31 ttyw5
crw-rw-rw- 1 root wheel 4, 118 3 20 10:31 ttyw6
crw-rw-rw- 1 root wheel 4, 119 3 20 10:31 ttyw7
crw-rw-rw- 1 root wheel 4, 120 3 20 10:31 ttyw8
crw-rw-rw- 1 root wheel 4, 121 3 20 10:31 ttyw9
crw-rw-rw- 1 root wheel 4, 122 3 20 10:31 ttywa
crw-rw-rw- 1 root wheel 4, 123 3 20 10:31 ttywb
crw-rw-rw- 1 root wheel 4, 124 3 20 10:31 ttywc
crw-rw-rw- 1 root wheel 4, 125 3 20 10:31 ttywd
crw-rw-rw- 1 root wheel 4, 126 3 20 10:31 ttywe
crw-rw-rw- 1 root wheel 4, 127 3 20 10:31 ttywf
crw-rw-rw- 1 root wheel 14, 1 3 20 10:31 urandom
crw-rw-rw- 1 root wheel 3, 3 3 20 10:31 zero

홈에는 디렉토리가 있는데 먼가.. 우분투 기본 디렉토리가 이걸 따라한건가 싶고..

사진등을 구분할때 디렉토리가 없어서 불편하다고 하는데 그게 아이패드 이야기 였는지 맥 이야기였는지 헷갈리지만

걍.. 리눅스같은 느낌이구나.. 정도가 현재 느낌

% ls -al
total 48
drwxr-xr-x+ 17 shin staff 544 3 20 10:56 .
drwxr-xr-x 5 root admin 160 10 31 2020 ..
-r-------- 1 shin staff 8 3 19 16:50 .CFUserTextEncoding
-rw-r--r--@ 1 shin staff 10244 3 20 10:34 .DS_Store
drwx------ 5 shin staff 160 3 20 10:38 .Trash
-rw------- 1 shin staff 17 3 20 11:10 .bash_history
drwxr-xr-x 4 shin staff 128 3 20 10:38 .vscode
-rw------- 1 shin staff 77 3 20 10:34 .zsh_history
drwx------@ 4 shin staff 128 3 20 10:48 Applications
drwx------+ 6 shin staff 192 3 20 11:07 Desktop
drwx------+ 3 shin staff 96 3 19 16:50 Documents
drwx------+ 6 shin staff 192 3 20 11:03 Downloads
drwx------@ 59 shin staff 1888 3 20 11:02 Library
drwx------+ 4 shin staff 128 3 19 16:53 Movies
drwx------+ 4 shin staff 128 3 19 18:51 Music
drwx------+ 4 shin staff 128 3 20 11:02 Pictures
drwxr-xr-x+ 4 shin staff 128 3 19 16:50 Public

예전에 맥은 rootless들은 거 같은데.. macos 이야기가 아니었나?

% ls -al
total 9
drwxr-xr-x 22 root admin 704 3 19 19:23 .
drwxr-xr-x 22 root admin 704 3 19 19:23 ..
-rw-rw-r-- 1 root admin 0 6 6 2020 .DS_Store
lrwxr-xr-x 1 root admin 36 3 16 13:57 .VolumeIcon.icns -> System/Volumes/Data/.VolumeIcon.icns
---------- 1 root admin 0 6 6 2020 .file
drwx------ 48 root admin 1536 3 19 19:28 .fseventsd
drwxr-xr-x 2 root wheel 64 6 6 2020 .vol
drwxrwxr-x+ 7 root admin 224 3 20 10:37 Applications
drwxr-xr-x 62 root wheel 1984 3 20 11:02 Library
drwxr-xr-x@ 8 root wheel 256 10 31 2020 System
drwxr-xr-x 5 root admin 160 10 31 2020 Users
drwxr-xr-x 4 root wheel 128 3 20 11:05 Volumes
drwxr-xr-x@ 38 root wheel 1216 3 19 19:23 bin
drwxr-xr-x 2 root wheel 64 6 6 2020 cores
dr-xr-xr-x 3 root wheel 4360 3 20 10:31 dev
lrwxr-xr-x@ 1 root admin 11 3 16 13:48 etc -> private/etc
lrwxr-xr-x 1 root wheel 25 3 20 10:31 home -> /System/Volumes/Data/home
drwxr-xr-x 2 root wheel 64 6 6 2020 opt
drwxr-xr-x 6 root wheel 192 3 19 19:24 private
drwxr-xr-x@ 63 root wheel 2016 3 19 19:23 sbin
lrwxr-xr-x@ 1 root admin 11 3 16 13:57 tmp -> private/tmp
drwxr-xr-x@ 12 root wheel 384 3 19 19:23 usr
lrwxr-xr-x@ 1 root admin 11 3 16 13:57 var -> private/var

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맥(카탈리나) 환경 설정 중

판매자 말로는 6시간은 쓴다고 했으니 한번 테스트는 해봐야지

그나저나 'ㅏ' 가 조금 강하게 눌러야 쳐지는 느낌이다.

파이썬 3는 쉘 확장으로 되어있는지 터미널에서 python3 입력하니 알아서 설치한다.

ssh x11 forwarding에는 xqurartz 라는걸 설치하면 된다고 하고

[링크 : https://www.xquartz.org/]

vscode 와 chrome은 dmg로 받아서 설치하면 끝

vscode는 finder에서 응용프로그램으로 던져주면 설치되고

vscode에서 path를 지정하도록 하면 콘솔에서도 code 명령으로 실행이 가능해 진다.

[링크 : https://www.lainyzine.com/ko/article/how-to-execute-visual-studio-code-from-terminal/]

[링크 : https://www.lainyzine.com/ko/article/how-to-install-visual-studio-code-on-macos/]

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별다방 마패 지름

이제 나도 당당하게 별다방에 입장이 가능한건가!

제스쳐랑 단축키랑 익히는 중 -_ㅠ

확실히 터치패드가 커서 좋고, OS에서 기본으로 제스쳐가 제공되니 또 좋긴 하다.

일단.. 한손으로 들고 지하철에서 하기에는 너무 바닥이 매끄러워서 떨어트릴 우려가 있다 보니

오히려 앉아서 무릎에 얹고 해야 하지 않나.. 생각된다.

사과에 불 들어오는 바로 이 갬성! ㅋㅋ

램이 적어서 아쉽지만 해상도가 높아져서 만족.

카탈리나 보안 업데이트 한번 하다가 뻗어서 재시작하고

꽤 오래 걸려서 정상작동중.

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라즈베리 파이2 / 마인크래프트

이거 하나 찾으려고 개고생중

일단 wheezy 에 있다고 하는데

jessie 이미지 받아서 해보니 라즈베리 3는 작동 안되고 2에서는 울프람과 마인크래프트가 존재하는 것 확인

bullseye 32bit나 64bit에는 당연히(!) 없네

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맥북 2012 예약

흐음.

잘하는 걸까 ㅠㅠ

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plc timer 주기적인 on off

타이머 두개를 이용해서 서로 상대의 값을 트리거로 출력하게 하면 되는데..

타임 그래프는 XG5000 시뮬레이터가 있으려나?

[링크 : https://gammabeta.tistory.com/m/2561]

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lse modbus rs232

LSE cpu 모듈에 내장된 rs232로 modbus 통신이 가능하다고 함.

[링크 : https://mech19.tistory.com/42]

[링크 : https://smart-factory-plc.tistory.com/302]

[링크 : https://dongwunhmi.tistory.com/32]

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weston debug message

해당 명령을 입력한 콘솔로 출력된다. (시리얼, ssh 에서 각각 해 봄)

export WAYLAND_DEBUG=1

[링크 : https://wiki.st.com/stm32mpu/wiki/How_to_debug_Weston]

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