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Category: Linux

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Using rsync over ssh when the remote side is a chroot shell

Just a tip; the rsync download listed later in this article works on VMware ESXi too! October 2020 Update: This process continues to work for vSphere since Vmware continues to Continue Reading…

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How to get syslog records of chrooted SSH sftp-server activity

So you are trying to wean your users off of using FTP for obvious reasons, but your FTP server was at least doing chroot’ing which was nice for keeping them Continue Reading…

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Watch out for a listening syslogd

Here’s a weird issue to be aware of.  If you are using centralized syslogging on RHEL5/Centos5 servers, you may be surprised to find this in your netstat or lsof: Well Continue Reading…

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RHEL/CentOS 6 network takes FOREVER to start when there’s lots of IP’s

Do you ever run into this issue?  You need to reconfigure networking and do a network restart and this happens: That duplicate ip address check takes a LONG time.  On Continue Reading…

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MySQL no longer restarting correctly after unclean reboot on CentOS 6?

I’ve got a Smörgåsbord of CentOS servers of varying version and patch status; 4 through 6, i386, x86_64, up to date, not up to date, etc.  In any case, sometimes Continue Reading…

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Determine what’s using swap space on linux

I found this useful shell script on a website a while back; works perfectly: The output will look like this:

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Mounting an Amazon S3 bucket into a CentOS 6 filesystem

Fortunately this is far easier to do on CentOS 6 than it is on CentOS 4.  If you do need the CentOS 4 directions, those are located here. Prerequisites for Continue Reading…

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Microsoft Office Assistant for vi

ROFL, Clippy is here to help with regular expressions!

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Background a running process and log out without it dying off

Not that this is some magical new development,  it’s probably been around for decades, but I find there’s often things I don’t come across until I need them and then Continue Reading…

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Sum a column of numbers from unix command line

Ever have some kind of text file or command output where you want to just get a sum of the numbers presented?  If it’s a single column, just pipe it Continue Reading…

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