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1. samba 폴더 설정 # vi /etc/samba/smb.conf 에서 추가할 samba 폴더 설정 [shared] ## samba 폴더 이름 comment = Shared directories path = ${공유할 경로} browseable = yes guest ok = yes public = yes read only = yes create mask = 644 directory mask = 755 writeable = yes preserve case = yes short preserve case = yes 2. 내부망에서 samba 폴더 mount 하기 # username, password 사용 mount -t cifs -o vers=3.0 -o username=${username},passwo..

mount -t cifs 에서 error 발생하면 확인 가능한 error code의 숫자는 아래 코드의 합 ex) 111 = 64+32+8+4+2+1 CIFS VFS: Error connecting to socket. Aborting operation. CIFS VFS: cifs_mount failed w/return code = -111 RETURN CODES mount has the following return codes (the bits can be ORed): 0 success 1 incorrect invocation or permissions 2 system error (out of memory, cannot fork, no more loop devices) 4 internal mount bu..

1. sudo 권한 부여 만약 일반 사용자가 sudo 명령어 사용했을 때, "${계정명} is not in the sudoers file. This incident will be reported." 에러가 발생하는 경우 sudo 그룹에 해당 계정을 추가하면 sudo 명령어를 사용할 수 있다. 방법 1) sudo 그룹에 계정 추가 usermod -aG sudo 계정명 방법 2) # vi /etc/sudoers 파일에 계정 추가 (.....) # User privilege specification root ALL=(ALL:ALL) ALL 계정명 ALL=(ALL:ALL) ALL # 추가하기 확인) cat /etc/group의 sudo 그룹에 추가한 계정 확인 sudo:x:27:user1,user2 2. roo..

문제상황 : ADB 동작안함 (adbkey, adbkey.pub 자동 생성안됨) # adb devices List of devices attached * daemon not running; starting now at tcp:5037 ADB server didn't ACK Full server startup log: /tmp/adb.0.log Server had pid: 13892 --- adb starting (pid 13892) --- adb I 05-17 08:55:17 13892 13892 main.cpp:57] Android Debug Bridge version 1.0.39 adb I 05-17 08:55:17 13892 13892 main.cpp:57] Version 1:8.1.0+r23-5u..

Ubuntu PC에 보드 연결 후 serial port가 아닌 volume(외장하드)으로 인식하는 이슈가 있음 /dev/ttyUSB0 연결 안됨 ==> 해결 apt-get rm brltty

root@server1:~# date Fri May 27 05:52:24 UTC 2022 root@server1:~# ll /etc/localtime lrwxrwxrwx 1 root root 27 Apr 22 06:55 /etc/localtime -> /usr/share/zoneinfo/Etc/UTC ## /usr/share/zoneinfo/Asia/Seoul로 링크걸기 root@server1:~# sudo ln -sf /usr/share/zoneinfo/Asia/Seoul /etc/localtime root@server1:~# ll /etc/localtime lrwxrwxrwx 1 root root 30 May 27 14:59 /etc/localtime -> /usr/share/zoneinfo/Asia..

1. vendor ID / product ID 가져오기: lsusb root@test-server:/etc/udev/rules.d# lsusb Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 097: ID 04e8:6860 Samsung Electronics Co., Ltd Galaxy A5 (MTP) Bus 001 Device 092: ID 18d1:0002 Google Inc. Android 1.0 Bus 001 Device 052: ID 0403:6001 Future Technology Devices International, Ltd FT232 Serial (UART) IC 2. serial 고유값 가져오기:..

user@myserver:~$ dmesg dmesg: read kernel buffer failed: Operation not permitted user@myserver:~$ sudo sysctl kernel.dmesg_restrict=0 // 한번만 실행해주면 됨 [sudo] password for user: kernel.dmesg_restrict = 0

sudo add-apt-repository universe sudo apt update sudo apt install python2 sudo curl https://bootstrap.pypa.io/pip/2.7/get-pip.py --output get-pip.py sudo python2 get-pip.py pip2 --version pip2 install pyserial==2.7 출처 https://linuxize.com/post/how-to-install-pip-on-ubuntu-20.04/