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Author Archives: Lisenet

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So what is the size of that file? Sparse Files on Linux

Posted on 16/03/2014 by Lisenet

I had a very interesting conversation with my friend T.H yesterday, and it all turned into an interesting disk usage puzzle for a Saturday night.  Continue reading →

Posted in Linux | Tagged cp, dd, df, du, ls, sparse | 6 Comments

Using Subversion (SVN) CLI on Linux

Posted on 13/03/2014 by Lisenet

Working with Linux SVN client the simple way.  Continue reading →

Posted in Linux | Tagged Debian, subversion, svn | Leave a comment

Send Email From Windows PowerShell

Posted on 11/03/2014 by Lisenet

Sometimes need to test SMTP configuration from Windows machines with no extra stuff installed.  Continue reading →

Posted in Windows | Tagged PowerShell | Leave a comment

Dual Monitor on XFCE

Posted on 06/03/2014 by Lisenet

Setting up 2 monitors for extended use on XFCE4.  Continue reading →

Posted in Linux | Tagged XFCE

Measure and Troubleshoot Linux Network Resource Usage

Posted on 01/03/2014 by Lisenet

Measuring network usage and identifying established connections on a Debian Linux server.  Continue reading →

Posted in Linux, Monitoring | Tagged Debian, iftop, LPIC-2, netstat, sar, sysstat, vnstat | 3 Comments

Setup Brother HL-4150CDN Printer with CUPS on a 64-bit Debian Machine

Posted on 28/02/2014 by Lisenet

Today’s plan is to install the Common Unix Printing System on a Debian Wheezy machine and configure it to work with a Brother HL-4150CDN network printer.  Continue reading →

Posted in Linux | Tagged CUPS, Debian, LPIC-1 | 2 Comments

Measure and Troubleshoot Linux Disk I/O Resource Usage

Posted on 24/02/2014 by Lisenet

Measuring disk usage and identifying processes utilising the most I/O bandwidth on a Debian Linux server. Continue reading →

Posted in Linux, Monitoring | Tagged Debian, iostat, iotop, LPIC-2, sar, sysstat, vmstat | Leave a comment

Measure and Troubleshoot Linux Memory Resource Usage

Posted on 22/02/2014 by Lisenet

Tracking down physical memory usage (RAM + swap) and identifying amount of memory needed for current workload on a Debian Linux server.  Continue reading →

Posted in Linux, Monitoring | Tagged Debian, free, LPIC-2, meminfo, ps, sar, sysstat, top, vmstat | 3 Comments

Measure and Troubleshoot Linux CPU Resource Usage

Posted on 21/02/2014 by Lisenet

Tracking down CPU usage and identifying heavy processes on a Debian Linux server.  Continue reading →

Posted in Linux, Monitoring | Tagged Debian, iostat, LPIC-2, mpstat, ps, sar, sysstat, top, vmstat | 3 Comments

Install Oracle’s Instant Client 12.1 and Oracle SQL Plus on Ubuntu 12.04 x64

Posted on 16/02/2014 by Lisenet

To begin with, Oracle’s instant client is a free client software for connecting to, well, Oracle databases.

We’re not going to use alien here to convert .rpm packages but will install from zip archives instead.

Continue reading →

Posted in Linux | Tagged Oracle | 5 Comments

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