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by sumek
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Published on 2010-02-04T15:11:00Z
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2010/04/13
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Having used ack for some time now, I find it much better for my development purposes than grep. But then I've heard about rak and grin. Has anyone used all three of them and can provide a comparison?
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I have a script that does some housekeeping that works perfectly well when invoked from an interactive shell, but did nothing when invoked by cron. To troubleshoot this I started a shell with a 'blank' environment with the command:
env -i /bin/bash --noprofile --norc
Using this blank env I've dug…
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We manufacture a linux appliance for data centers, and all are running fedora installed from the same kickstart process. There are different hardware versions, some with IDE hard drives and some SCSI, so the filesystems may be at /dev/sdaN or /dev/hdaN.
We have a web interface into these appliances…
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I'm looking for the string "foo=" (without quotes) in text files in a directory tree. It's on a common Linux machine, I have bash shell:
grep -ircl "foo=" *
In the directories are also many binary files which match "foo=". As these results are not relevant and slow down the search, I want grep…
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Hi,
I've downloaded and installed the GnuWin32 tools, and added the grep executables to the Emacs bin. I've also, for what its worth, added the GnuWin32 bin folder to my Path variable.
Problem is though, when I try and run with suggested grep commands, I always get:
Grep exited abnormally with…
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Hi,
How can I use 'grep' to get lines start with '* ' in my file?
I tried grep "" myfile
I tried grep " " myfile
but returns all the lines of my file.
Thank you.
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Hey,
Recently I had a web developer come to me and ask why he was receiving connection errors in his app that was accessing a sql database.
So, I went through my normal trouble shooting steps to isolate or reproduce the issue. I discovered that if I connected to the database using Query Analyzer…
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Having an issue with any large file transfer that crosses our Cisco ASA unit come to an eventual pause.
Setup
Test1: Server A, FileZilla Client <- 1GBPS - Cisco ASA <- 1 GBPS - Server B, FileZilla Server
TCP Window size on large transfers will drop to 0 after around 30 seconds of a large…
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Having an issue with any large file transfer that crosses our Cisco ASA unit come to an eventual pause.
Setup
Test1: Server A, FileZilla Client <- 1GBPS - Cisco ASA <- 1 GBPS - Server B, FileZilla Server
TCP Window size on large transfers will drop to 0 after around 30 seconds of a large…
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Take a look at following trace taken with Wireshark:
http://dl.dropbox.com/u/145579/trace1.pcap
or
http://dl.dropbox.com/u/145579/trace2.pcap
I will repeat here an interesting part (from trace1.pcap):
No. Time Source Destination Protocol Length…
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Hello
I have a client/server app (Java) that I'm migrating from Solaris to RH Linux.
since I started running it in RH, I noticed some issues related to latency.
I managed to isolate the problem that looks like this:
client sends 5 messages (32 bytes each) in a row (same application timestamp) to…
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