find exclude directory
I am on Linux (Ubuntu) and I am would like to exclude certain directories (like .hg) when I am doing a
Unix & Linux
Is using rsync while source is being updated safe?
Is it safe to use rsync when the source filesystem is mounted and writeable, assuming that it may very well be modified while rsync is running? I presume that under race conditions I may not get the latest modifications, but is there any risk of corruption?
Given a git commit hash, how to find out which kernel release contains it?
Assume I have some issue that was fixed by a recent patch to the official Linux git repository. I have a work around, but I’d like to undo it when a release happens that contains my the fix. I know the exact git commit hash, e.g. f3a1ef9cee4812e2d08c855eb373f0d83433e34c.
Large zone file for bind9 : ad-blocking
I was successfully using a small (20,000 entries) zone file with bind9 server, but today my data provider sent an update which caused the zone file to become 300,000+ entries large (30Mb+).
Replacing pattern after nth match is found on each line?
The s command can be followed by zero or more of the following flags:
Common multiple SSH connections file handling issue
often I have to download a file that isn’t directly accessable via the first SSH connection. For example I’m on a Windows machine and I want to access another machine that is only accessable from lan. That means that I must first connect to a intermediate machine and SSH to the next one.
Is GNOME Terminal a type of non-login shell?
According to the answer to What are login and non-login shells? on Ask Ubuntu, GNOME Terminal is a type of non-login shell.
As pointed out in the excellent book, A Practical Guide to Fedora and Red Hat Enterprise Linux, 6th Edition:
Giving group permissions to other user’s files
I’m using Debian 7 and have created a new user (website) with an htdocs directory like this:
bash 4.3 “multiple dot” commands fails silently on Fedora
I just noted this on bash 4.3; exact version number is 4.3.42(1)-release (x86-redhat-linux-gnu).