Архів автора: reverse

Mysql: errno: 24 – Too many open files) (1018)

При создании бекапа выскочина ошибка mysqldump: Couldn’t execute ‘SHOW TRIGGERS LIKE ‘logs”: Can’t read dir of ‘./mydatabase/’ (errno: 24 – Too many open files) (1018) Хотя в limits.conf указано значение 30000 и в my.cnf open-files-limit = 20000 И процесс запущен с правильными параметрами /usr/sbin/mysqld –basedir=/usr –datadir=/var/lib/mysql –plugin-dir=/usr/lib64/mysql/plugin –log-error=/var/lib/mysql/error.log –open-files-limit=20000 –pid-file=/var/run/mysql.run –port=3306

Error install nokogiri

Fetching: mini_portile-0.6.2.gem (100%) Fetching: nokogiri-1.6.6.3.gem (100%) Building native extensions. This could take a while… ERROR: Error installing nokogiri: ERROR: Failed to build gem native extension. /usr/bin/ruby1.9.1 extconf.rb checking if the C compiler accepts … yes Building nokogiri using packaged libraries. checking for gzdopen() in -lz… no zlib is missing; necessary for building libxml2 *** extconf.rb… Читати далі »

Telegram Bot on ruby

apt-get install ruby gem ruby-dev make gem install telegram-bot-ruby Теперь необходимо получить токен для бота. Заходим в Telegram, добавляем бота @BotFather, и создаем бота: So, let’s write to out bot and get updates curl -s -X POST https://api.telegram.org/botNNNNN:NZNZNNZNZNZNNZNZ/getUpdates And we have: {“ok”:true,”result”:[{“update_id”:923096141, “message”:{“message_id”:2130,”from”:{“id”:,”first_name”:””,”username”:””},”chat”:{“id”:,”first_name”:””,”username”:””,”type”:”private”},”date”:1447842513,”text”:”test”}}]} # encoding: utf-8 # require ‘telegram/bot’ #require_relative ‘getimg’ token = ‘NNNNNN:XNXNXNXNXNXNXNXNX’ #inputMess… Читати далі »

ESP8266 first launch in Linux Mint

For flashing firmware you need connect GPIO0 to GND and CH_PD to VCC I have this TTL converter Bus 003 Device 026: ID 067b:2303 Prolific Technology, Inc. PL2303 Serial Port But they have 5v output, so i used 5v to 3.3v converter Prepare notebook for flashing Go to https://github.com/themadinventor/esptool and download esptool wget https://github.com/themadinventor/esptool/archive/master.zip install… Читати далі »

Redirect port to guest in libvirt

If you want to redirect ports from WAN to quest Virtual Machine than you may do this: Go to edit VM from Virsh virsh edit my-vm-name In header add xmlns Change interface type to user to this:

Добавить существующий Git репозиторий в Bitbucket

git clone –mirror https://bitbucket.org/exampleuser/repository-to-mirror.git # Make a bare mirrored clone of the repository cd repository-to-mirror.git git remote set-url –push origin https://github.com/exampleuser/mirrored # Set the push location to your mirror git push –mirror

Cisco 7940 за NAT

http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cuipph/7960g_7940g/5_0/sip/english/administration/guide/5_0/7960setS.html Some general advice on how to get 7940/7960 going in standalone SIP via NAT. 1. Give your 7940 a static IP. 2. Forward ports 5060-5062 TCP and UDP and 16384 to 16399 UDP to the static IP of the 7940. 3. Make configuration file adjustments as follows: Set voip_control_port: 5061 ; NAT/Firewall Traversal- 0=Disabled,… Читати далі »

Linux: рекурсивно создать структуру директоний

Все гениальное просто 🙂 при mkdir нужен ключ -p mkdir -p /usr/local/dir1/dir2/dir3/VIP В результате создастся структура каталогов даже если еще нет dir*

Linux: убрать пробелы в именах файлов

for d in *\ *; do mv “$d” “${d// /}”; done

Vagrant: libvirt library not found in default locations (RuntimeError)

vagrant plugin install vagrant-libvirt Installing the ‘vagrant-libvirt’ plugin. This can take a few minutes… Bundler, the underlying system Vagrant uses to install plugins, reported an error. The error is shown below. These errors are usually caused by misconfigured plugin installations or transient network issues. The error from Bundler is: An error occurred while installing ruby-libvirt… Читати далі »