Skip to content

Latest commit

 

History

History
296 lines (208 loc) · 8.06 KB

applications.md

File metadata and controls

296 lines (208 loc) · 8.06 KB
Raw

Real-World Applications

1. Nginx Setup

apt install nginx

The configuration file is located at /etc/nginx/nginx.conf (based on adeb's root). After the configuration, nginx will listen to the port 8090.

Default logs:

  • access log: /var/log/nginx/access.log
  • error log: /var/log/nginx/error.log

Set log-level (edit nginx.conf):

access_log /var/log/nginx/access.log;
error_log /var/log/nginx/error.log [level];

Level (only for error_log): Debug | Info | Notice | Warn | Error |

After the current configuration, the Nginx files are under:

  • /root/web-source based on adeb's root.
  • /data/androdeb/debian/root/web-source based on the absolute path.

Request:

nginx               # start nginx
nginx -s reload     # if nginx is already start and you want to reload the config file
nginx -s stop       # stop nginx
# test connection
curl localhost:8090/index.html
curl localhost:8090/data/file-4kb --output -        # output to stdout

2. Httpd Setup

apt install apache2

After installation, apache2 (a.k.a. httpd) is installed at /usr/sbin/apache2. The configuration file is located at /etc/apach2/ (based on adeb's root).

After the configuration, apache2 is listening on the port 8180 (see /etc/apache2/ports.conf),

Since we're under the chroot environment in the JUNO board, we should manually manage the apache2 services:

source /etc/apache2/envvars
apache2 -k stop | start | restart

3. Redis Setup

apt install redis

The configuration file is located at /etc/redis/redis.conf (based on adeb's root). After the configuration, redis will listen to the default port 6379 with loglevel verbose.

Default log: /var/log/redis/redis-server.log.

Startup:

service redis-server start / restart
service redis-server stop
# test connection
redis-cli
> exit

4. Memcached Setup

apt install memcached libmemcached-tools

The configuration file is located at /etc/memcached.conf (based on adeb's root). After the configuration, memcached will listen to the default port 11211 at verbose -vv.

Default log: /var/log/memcached.log.

Startup:

memcached -d -u root
(recommend) service memcached start/stop
# test connection
telnet 127.0.0.1 11211

5. SQLite Setup

apt install sqlite3

After the installation, the sqlite database can be directly interacted by sqlite3 .... Note that SQLite is a zero-configuration database, and there is no server process.

6. MySQL Setup

apt install default-mysql-server
vim /etc/mysql/mariadb.conf.d/50-server.conf

The configuration file of mysql-server (a.k.a. mysqld) is under /etc/mysql/mariadb.conf.d/50-server.conf. After the configuration, mysql-server will listen to the default port 3306 with only error.log.

Now let's config the priviledge and create a test database:

$mysql
MariaDB> CREATE USER 'mysql'@'%' IDENTIFIED BY '';
MariaDB> GRANT SELECT ON *.* TO 'mysql'@'%';
MariaDB> GRANT ALL PRIVILEGES ON *.* TO 'mysql'@'%' WITH GRANT OPTION;
MariaDB> FLUSH PRIVILEGES;
MariaDB> CREATE DATABASE testdb;
^C

We can connect to this mysql server on the client now:

(client)$ mysql -h <server-ip> -P 3306 -u mysql

7. GNU Octave Setup

apt install octave

Then you can simply type: octave --no-gui to yield an interactive shell with octave.

8. Firefox Setup

apt install firefox-esr
apt install xvfb

Now you can run firefox with headless mode:

firefox --headless https:www.baidu.com --screenshot ./output

Now, let's configure the application log settings based on MOZ_LOG.

# verbose (debug)
export MOZ_LOG=timestamp,rotate:200,nsHttp:5,cache2:5,nsSocketTransport:5,nsHostResolver:5
# info
export MOZ_LOG=timestamp,rotate:200,nsHttp:3,cache2:3,nsSocketTransport:3,nsHostResolver:3
export MOZ_LOG_FILE=/var/log/firefox/log.txt

To set up the virtual display (which is necessary for speedometer benchmark) on this server computer, simply type:

# create a virtual screen
Xvfb :7 -screen 0 1024x1024x16 &
export DISPLAY=:7
# setup x11 vnc
x11vnc -listen 0.0.0.0 -rfbport 5900 -noipv6 -passwd password -display :7
# after that, run firefox
firefox &

Now, on your clinet machine, you can just VNCViewer to connect to this firefox virtual display.

9. 7zip

apt install p7zip-full

Benchmarks

1. ab (ApacheBenchmark) Setup

apt install apache2-utils

Use ab benchmark:

ab -n <num_reqs> -c <concurrency> <addr>:<port><path>
# to test nginx
ab -n 100000 -c 100 localhost:8090/data/file-4kb

2. memtier_benchmark setup

First install the required packages.

apt install build-essential autoconf automake libpcre3-dev libevent-dev pkg-config zlib1g-dev libssl-dev

Now clone and install the deb package from its official repo.

wget https://github.com/RedisLabs/memtier_benchmark/releases/download/1.4.0/memtier-benchmark_1.4.0.bionic_arm64.deb
dpkg -i memtier-benchmark_1.4.0.bionic_arm64.deb

Use memtier_benchmark:

memtier_benchmark -s <ip> -p <port> -c <connect_numbers> -n <num_reqs> -t <threads> -d <data_size> --ratio <SET:GET> -P <protocal>
# to test for memcached 
# memtier_benchmark -s 127.0.0.1 -p 11211 -c 20 -n 10000 -t 2 -d 32 --key-pattern S:R --ratio 1:9 -P memcache_text --hide-histogram
# to test for redis
memtier_benchmark -s 127.0.0.1 -p 6379 -c 20 -n 10000 -t 2 -d 32 --key-pattern S:R --ratio 1:9 -P redis --hide-histogram

references:

3. phoronix-test-suite

Install the phoronix-test-suite:

apt install php-cli php-curl php-xml
dpkg -i phoronix-test-suite_x.x.x_all.deb

Install the pts/sqlite-speedtest:

phoronix-test-suite install pts/sqlite-speedtest
phoronix-test-suite install system/octave-benchmark

4. LMBench

Install the lmbench:

apt install lmbench

After the installation, lmbench utils are located at /usr/lib/lmbench:

  • lat_syscall
  • bw_file_rd
  • ...

5. Sysbench

wget -qO - https://packagecloud.io/install/repositories/akopytov/sysbench/script.deb.sh | bash
apt install sysbench

Setup USB 10/100/1000 LAN: Client machine <-> Juno

The following are general steps for directly connecting a development board (like Raspberry Pi, Arduino, etc.) via Ethernet cable. However, please note that specific steps might differ slightly depending on the exact model of your development board and device.

Here we take the Macbook Pro client machine and the Juno development board server as an example.

Hardware connection: Use an Ethernet cable to connect your Mac computer and the development board. One end goes into your Mac, and the other into your development board.

Configure Network Sharing:

  • Open "System Preferences" on your Mac.

  • Select "Sharing".

  • In the left column, select "Internet Sharing".

  • In the "Share your connection from" drop-down menu on the right, choose your internet connection method (like Wi-Fi).

  • In the "To computers using" list, choose "Ethernet" or "Thunderbolt Ethernet", depending on the specific port type of your Mac.

  • Check the box next to "Internet Sharing" on the left. Then in the pop-up dialog box, select "Start".

SSH Connection to the Development Board:

If your development board supports SSH connection, you can connect to it using the following steps. If you're unsure of your development board's IP address, you will need to refer to your development board's documentation or run certain commands on your development board to get its IP address.

  • Open the "Terminal" application.

  • Type ssh username@ipaddress. Here, the username is your development board's username, and ipaddress is your development board's IP address. For example, if your username is "pi", and your development board's IP address is "192.168.2.2", you should type ssh [email protected].

  • Hit the return key, then enter the password. The password will not be displayed as you type it in, just hit return once you've finished entering it.