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How to Wrap and NOT Wrap Lines in vim
How to Wrap and NOT Wrap Lines in vim? Make vim wrap lines: :set wrap For not wrap which will be useful when reading some data result such as logs: :set nowrap It can also be written into the .vimrc config files Read more: Making Evolution Not Wrap Lines in Composed Emails How to make…
How to test whether a file exists and is a block special file in Python on Linux?
Bash has a -b test to test whether a file exists and is a block special file. -b file True if file exists and is a block special file. How to do this in Python? Python’s stat module provides the similar functions for the C standard APIs and macros underlining such as stat() and S_ISBLK()….
How to Configure Linux Kernel Video Mode for 32-bit and 16-bit Boot Protocols
The Linux kernel has a generic driver for a graphic framebuffer named vesafb on intel boxes. It provides a nice large console for most of modern displays. Setting VESA modes for Linux kernel with 32-bit and 16-bit boot protocol are different. We introduce both methods here. Linux kernel with 32-bit boot protocol For machine with…
How to Flush iptables on Fedora Linux
iptables is a mechanism in Linux kernel for port forwarding, NAT, firewalls etc. In Linux distros, such as Fedora, the iptables is configured to be as a “strict” firewall that opens a limited know ports, such as 22 for SSH. However, in some network environment, such as a private cluster, the nodes are trusted and…
How to use iPhone to browse blocked websites in mainland China?
How to use iPhone to browse blocked websites in mainland China? FYI: on iPhone, these 2 Apps are the favorite combination I am using for visiting blocked websites in mainland China: Check OpenVPN + Ovpn Spider: Free VPNs for iPhone Users for how to use them together. OpenVPN is for setting up OpenVPN VPN connection….
How to transfer text messages from android to computer?
How to transfer text messages from android phone to computer? One solution is to use the SMS Backup & Restore app. The app will backup your messages to a microSD card and then you can copy it out to a PC by connecting your Android phone to your PC with the USB cable. Read more:…