Server

Linux Server

13/12/202013/12/2020

Convert gnome-boxes virtual machine image to Oracle Virtual Box image

First convert gnome-boxes image to Virtual Box image $ cd ~/.local/share/gnome-boxes/images $ qemu-img convert -O vdi win10 win10.vdi $ mv win10.vdi ~/VirtualBox\ VMs/ Open Virtual...

Server

24/07/202024/07/2020

Gitlab troubleshooting

Environment: Gitlab is running under docker Error with ActiveModel::UnknownAttributeError (unknown attribute 'author_name' for SecurityEvent.): $ docker exec -it gitlab /bin/bash gitlab$ cd /var/opt/gitlab gitlab$ gitlab-rake...

Linux Server

16/12/201928/11/2020

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 pairRun usbmuxd $ sudo...

Linux Server

05/09/201929/08/2020

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...

Docker Linux Server

17/08/201929/08/2020

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 freeze....

Linux Server

12/07/201929/08/2020

VirtualBox + Windows 7 USB storage not recognised

Environments: Arch LinuxOracle VM VirtualBox 6.0.8 + Extension Pack Issue: In "Device Manager", Universal Serial Bus Controller driver is not installing correctly. USB storage is...

Linux Server

07/07/201929/08/2020

Share clipboard between GNOME and Boxes (Windows)

Reference: https://help.gnome.org/users/gnome-boxes/stable/clipboard.html.enhttps://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. In...

Linux Server

29/06/201929/08/2020

Winetricks failed to install WMP9

References: https://www.hahwul.com/2018/08/install-kakaotalk-on-ubuntu-18.04.htmlhttps://www.playonlinux.com/en/topic-16540-MPSetup_wmp9_will_not_run.html Error message: Executing cd /home/username/.cache/winetricks/wmp9 Downloading https://download.microsoft.com/download/1/b/c/1bc0b1a3-c839-4b36-8f3c-19847ba09299/MPSetup.exe to /home/username/.cache/winetricks/wmp9 Executing cd /home/username/.cache ------------------------------------------------------ sha256sum mismatch! Rename /home/username/.cache/winetricks/wmp9/MPSetup.exe and try again. ------------------------------------------------------ Solution: Download...

Frameworks Server

18/05/201918/05/2019

Certbot으로 무료 SSL/TLS 인증서 발급/재발급 하기

참고자료: https://www.bennadel.com/blog/3420-obtaining-a-wildcard-ssl-certificate-from-letsencrypt-using-the-dns-challenge.htm SSL 새로 발급 받기 #!/bin/bash docker run -it --rm --name letsencrypt \ -v "/etc/letsencrypt:/etc/letsencrypt" \ -v "/var/lib/letsencrypt:/var/lib/letsencrypt" \ certbot/certbot:latest \ certonly \ -d...

Security Server

03/03/201903/03/2019

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...

Linux Server

16/09/201829/08/2020

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 ...

Linux Server

15/07/201829/08/2020

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 ... ==>...

Frameworks PHP Server

17/12/201622/01/2017

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...

Server

31/10/201631/10/2016

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...

Server

30/10/201631/10/2016

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...

Server

15/10/201615/10/2016

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...

Server

12/10/201612/10/2016

[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 $...

Frameworks Server

10/09/201610/09/2016

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...

Frameworks MySQL Server

22/08/201629/08/2020

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....

Frameworks MySQL Server

13/03/201429/08/2020

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...

Frameworks PHP Server

07/03/201410/09/2016

.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>...

Security Server

23/08/201329/08/2020

.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 #...

Server

16/06/201130/08/2020

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...

Server

23/05/201130/08/2020

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,...

Frameworks Server

28/10/201029/08/2020

Setup a Memcached-Enabled MAMP Sandbox Environment

ORIGINAL ARTICLE: http://www.lullabot.com/articles/setup-memcached-mamp-sandbox-environment ARTICLE BY NATE HAUGJANUARY 25, 2008 - 11:16AM Memcached is a service that allows entire database tables to be stored in memory, drastically speeding up...

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