… This appears to be an I2C issue on Pi3 (and possibly earlier, but not Pi4) that causes the touchpanel regulator to lock up. Adding «dtparam=i2c_vc_baudrate=50000» and «enable_uart=0» to /boot/config.txt seems to fix it for now, and I’ll look at what’s actually going on.
Archive for the ‘Пингвин’ Category
Official Raspberry DSI 7″ Display not working
Posted: 18th Ноябрь 2021 by shmyak in ПингвинTags: linux, raspberry pi
Комментарии к записи Official Raspberry DSI 7″ Display not working отключены
Комментарии к записи Connecting and Programming Your Digispark отключены
http://digistump.com/wiki/digispark/tutorials/connecting https://startingelectronics.org/tutorials/arduino/digispark/digispark-linux-setup/ Add udev Rules to the System sudo vim /etc/udev/rules.d/49-micronucleus.rules # UDEV Rules for Micronucleus boards including the Digispark. # This file must be placed at: # # /etc/udev/rules.d/49-micronucleus.rules (preferred location) # or # /lib/udev/rules.d/49-micronucleus.rules (req’d on some broken systems) # # After this file is copied, physically unplug and reconnect the board. # […]
Комментарии к записи ssh public key and google authenticator отключены
/etc/ssh/sshd_config ChallengeResponseAuthentication yes UsePAM yes AuthenticationMethods publickey,keyboard-interactive:pam PasswordAuthentication no /etc/pam.d/sshd #@include common-auth auth required /usr/local/lib/security/pam_google_authenticator.so
Комментарии к записи Туннель ssh отключены
Дано: сервер локальной сети ourproxy.provider.ru, доступный извне. Требуется: получить из дома доступ к ресурсам внутри локальной сети, например, к интранет-серверу 10.10.5.1:80 Решение: выполнить на домашней машине команду, пробрасывающую туннель к искомому IP-адресу через ourproxy.provider.ru: ssh -f -N user@ourproxy.provider.ru -L 8080:10.10.5.1:80 Опция -f говорит ssh, что после соединения нужно уйти в background. Опция -N указывает, что […]
Комментарии к записи linux vlan отключены
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ip link add link DEVNAME name VLANNAME type vlan id VLAN-ID reorder_hdr on|off |
loose_binding on|off gvrp on|off ingress-qos-map FROM:TO egress-qos-map FROM:TO
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#cat /etc/rc.local vconfig add eth0 418 ip l s up eth0.418 ip a a 192.168.168.21/24 dev eth0.418 ip r a default via 192.168.168.1 |
Комментарии к записи how to disable ipv6 отключены
Here’s how to disable the protocol on a Red Hat-based system:
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# sysctl -w net.ipv6.conf.all.disable_ipv6=1 # sysctl -w net.ipv6.conf.default.disable_ipv6=1 |
To re-enable IPv6, issue the following commands:
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# sysctl -w net.ipv6.conf.all.disable_ipv6=0 # sysctl -w net.ipv6.conf.default.disable_ipv6=0 |
Here’s how to disable the protocol on a Debian-based machine. 1. Open a terminal window. 2. Issue the command sudo nano /etc/sysctl.conf 3. Add the following at the bottom of the file:
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# net.ipv6.conf.all.disable_ipv6 = 1 # net.ipv6.conf.default.disable_ipv6 = 1 # net.ipv6.conf.lo.disable_ipv6 = 1 |
4. Save […]
Комментарии к записи samba server отключены
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# apt-get install samba # apt-get install samba-client |
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#vi /etc/samba/smb.conf [global] workgroup = WORKGROUP server string = Samba Server %v netbios name = OPI security = user map to guest = bad user dns proxy = no hosts allow = 192.168.0.0/255.255.255.0 hosts deny = all interfaces = eth0 socket options = TCP_NODELAY IPTOS_LOWDELAY SO_RCVBUF=65536 SO_SNDBUF=65536 [Downloads] comment = Downloads read only = no locking = no path = /home/user/Downloads guest ok = no |
Add Samba users Samba uses it’s own password system so users need to be added by root. Note that the users have to exist in /etc/passwd
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# smbpasswd -a me # smbpasswd -a you |
You will be prompted for a password for each of those users. To list existing Samba users:
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# pdbedit -w -L |
Restart the Samba daemon
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# /etc/init.d/samba restart |
or, if you […]
To enable wifi connection from command line run: sudo nmcli -a d wifi connect and enter your wifi credentials Зло! apt-get remove network-manager (:
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iw dev wlp4s0 scan | grep -i ssid wpa_passphrase ssid pswd |
/etc/wpa_supplicant.conf
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ap_scan=1 ctrl_interface=/var/run/wpa_supplicant network={ ssid="xxxxxx" scan_ssid=1 psk="yyyyyyy" } |
/etc/network/interfaces
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auto wlan0 iface wlan0 inet dhcp pre-up sudo wpa_supplicant -B -iwlan0 -c/etc/wpa_supplicant.conf -Dnl80211 post-down sudo killall -q wpa_supplicant |
Fedora: https://ask.fedoraproject.org/en/question/59278/how-can-i-enable-wpa_supplicant-on-boot/
1. IOS не NPE, т.е. без NPE в назнавнии, т.е., например, вот такой: c2900-universalk9-mz.SPA.151-3.T.bin. У вас — нпе. http://pig.lsd-25.ru/uploads/ios/ (меня разбанили) 2. ИОС не ниже версий: 15.0(1)M4, 15.1(1)T2, 15.1(2)T2, 15.1(3)T. У вас — сами угадаете? 3. Зайти на роутере в привелегированный режим и в режим глобальной конфигурации. Это может быть проблемой. Но это обязательное условие. […]
Configuration on Cisco IOS router: version 12.4 ! hostname L2TP ! ! aaa new-model ! ! aaa authentication ppp VPDN_AUTH local ! ! vpdn enable ! vpdn-group L2TP ! Default L2TP VPDN group accept-dialin protocol l2tp virtual-template 1 no l2tp tunnel authentication ! ! ! username cisco privilege 15 password 0 cisco ! ! crypto […]