Change Java OpenJDK version in Arch Linux
Issue: When execute npm run android for React Native, the build error occurred as below: Solution: It’s because currently Java version is lower than 11.…
Category: Server
Convert gnome-boxes virtual machine image to Oracle Virtual Box image
First convert gnome-boxes image to Virtual Box image Open Virtual Box Click Add button and follow below steps
Gitlab troubleshooting
Environment: Gitlab is running under docker Error with ActiveModel::UnknownAttributeError (unknown attribute ‘author_name’ for SecurityEvent.):
Mount iPhone/iPad in Arch Linux
Install libimobiledevice and ifuse$ yays libimobiledevice ifuse (* important) Pair with iPad – make sure iPad is connected via USB cable$ idevicepair pair Run usbmuxd…
When Arch Linux installation, cannot find nvme0n1 in DELL XPS 13
When you do lsblk, it does not show your SSD, then it means RAID for SATA Operation is on. Simply open Bios -> System Configuration…
Linux Docker uses excessive memory
Issue: I have a 16G memory and configured swap as 16G. When start mysql docker, mysqld uses crazy amount of memory and make the system…
VirtualBox + Windows 7 USB storage not recognised
Environments: Arch Linux Oracle VM VirtualBox 6.0.8 + Extension Pack Issue: In “Device Manager”, Universal Serial Bus Controller driver is not installing correctly. USB storage…
Share clipboard between GNOME and Boxes (Windows)
Reference: https://help.gnome.org/users/gnome-boxes/stable/clipboard.html.en https://www.spice-space.org/download.html While express installation typically takes care of making shared clipboard available to you, express installation is not available for all operating systems.…
Winetricks failed to install WMP9
References: https://www.hahwul.com/2018/08/install-kakaotalk-on-ubuntu-18.04.html https://www.playonlinux.com/en/topic-16540-MPSetup_wmp9_will_not_run.html Error message: Solution: Download MPsetup.exe from https://web.archive.org/web/20180404022333/http://download.microsoft.com/download/1/b/c/1bc0b1a3-c839-4b36-8f3c-19847ba09299/MPSetup.exe Save as /home/{username}/.cache/winetricks/wmp/MPSetup.exe Rerun winetricks
When you get 403 Forbidden error in VentraIP shared hosting
Out of nowhere, I started getting the error when I try to post any article. After in-depth investigation, I found if I add any code…
Backup/Restore pacman & yaourt packages list
Arch linux Backup pacman package list pacman -Qqet | grep -v “$(pacman -Qqg base)” | grep -v “$(pacman -Qqm)” > pacman-packages.txt Restore pacman package …
Error on installing `networkmanager-l2tp 1.2.10-3` in Arch Linux
References: https://gist.github.com/pastleo/aa3a9524664864c505d637b771d079c9 https://askubuntu.com/questions/981165/l2tp-ipsec-failing-to-connect-kubuntu-17-10 When run the command to install the package `networkmanager-l2tp 1.2.10-3`, an error occurs like below: $ yaourt -S networkmanager-l2tp … ==>…
Get AWS EC2 tags to environment parameters for apache2
Objective: AWS instances are assigned tags per instance. Need tags to be environment parameters for Apache2; thus, web application can retrieve environment parameter. Step…
How to re-compile imap.so with SSL enabled for MAMP Pro (Mac), macOS Sierra
Steps for re-compiling imap.so 1. Download imap source $ cd ~/Downloads $ wget -c ftp://ftp.cac.washington.edu/imap/imap-2007f.tar.gz $ rm -rf imap-2007f $ tar xvvfz imap-2007f.tar.gz…
How to install memcache.so/memcached.so for MAMP Pro (Mac)
Install memcache.so for PHP 5.6 1. Install memcached $ brew install memcached 2. Download php source code http://www.php.net/downloads.php 3. Copy source code to…
Vagrant Box 디스크 용량 늘리기
참고(Reference): http://tuhrig.de/resizing-vagrant-box-disk-space/ http://derekmolloy.ie/resize-a-virtualbox-disk/ http://stackoverflow.com/questions/11659005/how-to-resize-a-virtualbox-vmdk-file 요약 Vagrant는 디스크 용량을 바꿀수있는 옵션을 주지 않는다. 기본으로 40G(기본 이미지 10GB)를 제공하는데, 이 용량을 바꾸는 옵션을 제공하지 않는다. Vagrant의…
[Linux] Remove all email & Reset /var/log files
Delete all mails $ mail > d * > q Force to reset log files not recommended $ sudo su $ cd /var/log $…
Vagrant Scalable Web Application Architecture
Deploying scalable web application using Vagrant, Consul, Consul Template, nginx and HAProxy Source Repo: https://github.com/chrisleekr/vagrant-scalable-web-application-architecture This is proof-of-concept project to spin up scalable web application architecture…
Vagrant MySQL Master-Slave Replication
Vagrant MySQL Master-Slave Replication Source Repo: https://github.com/chrisleekr/vagrant-mysql-master-slave-replication Vagrantfile to spin up MySQL Master-Slave replication with persistent data storage Note: This project is created for just practice.…
VPS – Apache & MySQL Performance Tuning
Apache 1. Open/Create /var/www/vhosts/{hostname}/conf/vhosts.conf 2. Add oradjust below code KeepAlive On MaxKeepAliveRequests 29 KeepAliveTimeout 15 3. Copy to make backup of apache configuration # cp…
.htaccess GZIP Compression & Enable Keep-alive
To make faster webpage loading, use Gzip compress and Enable keep-alive in htaccess <ifModule mod_deflate.c> AddOutputFilterByType DEFLATE text/text text/html text/plain text/xml text/css application/x-javascript application/javascript </ifModule>…
.htaccess to force browsers to display a download dialog for non-image files
.htaccess to force browsers to display a download dialog for non-image files Reference: jQuery File Upload # The following directives force the content-type application/octet-stream #…
Symbolic link for Window and MAC OS X
I needed to make symbolic link for Windows machine to be shared with Mac OS X platform. Turns out, I cannot create symbolic link for…
How to mount Bootcamp drive
How to mount Bootcamp drive I opened Disk Utility and found that Bootcamp partition is not able to mount. And when I try to mount,…