How to fix connection issues after enabling VPN on a Linux machine
Tag: networking
CentOS7 connectivity error
Behavior slow wireless connection Fix Review the network adapter with lspci ... 02:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8188EE Wireless Network Adapter (rev 01) then, compile and install the driver manually sudo apt-get install build-essential linux-headers-generic git dkms git clone http://github.com/lwfinger/rtlwifi_new.git cd /path/to/rtlwifi_new make sudo modprobe -rv rtl8188ee sudo make install sudo modprobe -v … Continue reading CentOS7 connectivity error
How to use OpenVPN on your phone
If you use Android, you can download the official OpenVPN client to your phone, you need the server certificates plus your device credentials and write them out into a <code>.ovpn</code> file ca.crt # server certificate myphone.crt # client certificate myphone.key # client key myvpn.tlsauth # server auth file and create one client.ovpn as below client … Continue reading How to use OpenVPN on your phone
Set up a media server on a Raspberry Pi and access it from anywhere
A cool way to spend a weekend setting up you own media server
Quick tips
CentOS7 change hostname hostnamectl status [donhk@localhost ~]$ hostnamectl status Static hostname: localhost.localdomain Icon name: computer-laptop Chassis: laptop Machine ID: b6f94b45aa6c4b0d85f94c7b24db1b4c Boot ID: 57fce336491f4da9ad1db3831846a0e3 Operating System: Oracle Linux Server 7.4 CPE OS Name: cpe:/o:oracle:linux:7:4:server Kernel: Linux 4.1.12-112.16.4.el7uek.x86_64 Architecture: x86-64 [donhk@localhost ~]$ sudo hostnamectl set-hostname server [donhk@localhost ~]$ hostnamectl status Static hostname: server Icon name: computer-laptop Chassis: … Continue reading Quick tips
RMI from remote client
When working in distributed environments sometimes is useful to encapsulate certain operations, for example, the following scenario you are on host1 and you need to automate a process on the hostx, this process is about creating and configuring a given set of heavy tasks which imply the use of processes and threads and some network … Continue reading RMI from remote client
Connect to virtualbox guest machine from LAN machine?
Let's discuss the following scenario you are on a network (corporative or just your house's LAN) and there is a machine (host) that has a virtual machine (guest) that you want to reach from another machine on the network (client) all the machines are running CentOS 6.7 the guest has the network configured as NAT … Continue reading Connect to virtualbox guest machine from LAN machine?