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Gõ Tiếng Việt trong Linux

Ghi chú cách dùng IBus Bamboo để gõ Tiếng Việt mà không bị lỗi gạch chân như các bộ gõ khác.

Cài đặt

sudo add-apt-repository ppa:bamboo-engine/ibus-bamboo
sudo apt-get update
sudo apt-get install ibus ibus-bamboo --install-recommends

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# Create an access token for user "admin" with name "test-1234"
# POST /users/{username}/tokens/{name}
$ curl -i -u admin:admin -H 'Accept: application/json' -X POST 'http://127.0.0.1:12900/users/admin/tokens/test-1234?pretty=true'
HTTP/1.1 200 OK
X-Graylog-Node-ID: cd03ee44-b2a7-4824-be16-bb7456149dbd
Content-Type: application/json
Date: Mon, 08 Aug 2016 12:12:09 GMT
Content-Length: 139

{

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Ubuntu: Install Kernel and Set GRUB Default Kernel

Install Kernel

Install the default kernel:

sudo apt install linux-generic

Set GRUB Default Kernel

1. Find entrance from /boot/grub/grub.cfg
   • Get the $menuentry_id_option:

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Kill user tty/pts sessions in Linux

Commands

• w: show who is logged on and what they are doing
• who: show who is logged on
• tty: show current users pseudo terminal
• ps -ft pts/1: get process id for the pseudo terminal
• pkill: signal process based on name and other attributes

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Whitelist IP addresses based on pre-filter policy

/etc/rspamd/local.d/multimap.conf:

  IP_WHITELIST {
      type = "ip";
      prefilter = true;
      map = "/${LOCAL_CONFDIR}/local.d/ip_whitelist.map";
 action = "accept";

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Email server based on Dovecot, Postfix, MySQL, Rspamd and Debian 9 Stretch

MySQL database setup

Install MariaDB as a database management system DBMS

sudo apt install mariadb-server

Create a new database named srvmail for a mail server:

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• list messages trong 1 partition

kafkacat -b 10.5.69.6:9092 -t imap-2 -p 1

• Metadata listing:

root@trangnth-kafka:/opt/confluent# kafkacat -L -b 10.5.6.6:9092 -t imap-2 
Metadata for imap-2 (from broker 1: 10.5.6.6:9092/1):

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upgrade rabbitmq từ 3.6.x -> 3.8.16

backup lại user password

Listing users
monitor [monitoring]
openstack       [None]
guest   [administrator]

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• Flow of lua nginx module directives: https://openresty-reference.readthedocs.io/en/latest/Directives/
• body_filter_by_lua documentation: https://github.com/openresty/lua-nginx-module#body_filter_by_lua
• Following sample is from this site: https://groups.google.com/d/msg/openresty-en/5PWmL2f70x8/R2DUMsNUAgAJ

http { 
    proxy_cache_path /tmp/cache levels=1:2 keys_zone=cache:60m max_size=1G; 
    server { 
      listen 8080; 

      location /replace-body { 

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#!/usr/bin/perl

use Digest::HMAC_MD5 qw/ hmac_md5_hex /;
use DBI;
use URI::Escape;
use CGI;

print "Content-type: text/html\n";

my $q = CGI->new;