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How to find Linux absolute path for a relative path
How to find Linux absolute path for a relative path in Linux? We may need the absolute path on Linux when we only know the relative path. The readlink command does the trick. To find out the absolute path for a relative path, e.g. ./: $ readlink -f ./ Read more: How to get the directory path…
Improving ssh/scp Performance by Choosing Suitable Ciphers
Update on Oct. 9, 2014: You should be aware of the possible security problems of blowfish and it is suggested not to be used. Instead, you may consider ChaCha20 as suggested by Tony Arcieri. To use this with OpenSSH, you need to specify the Ciphers in your .ssh/config files as chacha20-poly1305@openssh.com possibly with another default…
Linux Kernel: Add support for using a MAX3421E chip as a host driver
This change “Add support for using a MAX3421E chip as a host driver.” (commit 2d53139) in Linux kernel is authored by David Mosberger <davidm [at] egauge.net> on Mon Apr 28 22:14:07 2014 -0600. Description of “Add support for using a MAX3421E chip as a host driver.” The change “Add support for using a MAX3421E chip…
How to Turn GNOME terminal to a Pop-up Terminal
A pop-up terminal is great and handy on Linux and similar OS. On KDE, Yakuake is great. On Gnome or GTK, I ever tried Guake. It is quite good. However, it has not been as mature, stable and figure-rich as gnome-terminal. One day, I got this idea: why not using a script/program to manage the…
How to set up MySQL replication
How to set up MySQL replication. And for debugging purpose, it will be great if I can run multiple MySQL instances on a single host. To set up MySQL replication, check these tutorials: MySQL Replication MySQL replication setup You can Setup multiple MySQL instances on single server. Read more: How to set the data replication…
How to restart Gnome 3 without closing the programs running?
What I want is to just restart Gnome 3 only and not to close and reopen the programs running. Thanks a lot! Just run r in Gnome 3’s “Run command” Box: Alt + F2, then enter r and hit Enter. Gnome 3 will restarts itself only. Read more: Prevent Chrome closing after closing the last…