Linux: Viewing the status of all ports
This may be a very simple question, in which case I apologize, but for the life of me I can't find …
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Unix OS
Unix is a multitasking, multi-user computer operating system originally developed in 1969 at Bell Labs. Today, it is a modern OS with many commerci...
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Article
Build Your Own FreeBSD Update Server
Attention: This article will no longer be maintained. If you have any questions, please feel free to…
Video
Executing a SQL Script from a Unix Shell Script and Passing Parameters
This video shows how to set up a shell script to accept a positional parameter when called, pass …
Tutorials
FreeBSD Jails
This is a quick overview on FreeBSD jails. In FreeBSD, jails are a form of operating system level …
Research Solution
How many Bitcoin GPU's, today?
How many Bitcoin GPU's, today?
A few years ago, I was told there were 2 Billion GPU's mining Bitcoin.
…
Troubleshooting Solution
Self hosting OpenStreetMap OSM and Layers
If we self hosted the full OSM database and what ever else is needed, could we be 100% independent …
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crontab issue
Hello,
I have two lines on /etc/cron.d/ only the first line is executing, why ? :
30 18 * * * root
…
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AIX - GPFS slowness problem
Hello.
The customer complains a slowness in the transactions, from the analysis of the following …
The customer complains a slowness in the transactions, from the analysis of the following …
Troubleshooting Solution
AIX bos.cifs_fs.rte 7.1.5.30 support smb2 ?
Hi,
I have a version AIX cifs client :
root@ZI720P7A [/] lslpp -L |grep cifs
bos.cifs_fs.rte
…
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unix insecure permissions on dirs and files
On redhat 7 I'm trying to recurively search for files in a dir and it's sub dirs that are insecure …
Troubleshooting Solution
What is the purpose of "/dev/tty" when using the less command?
First I create a regular file with some contents (manual page of find command):
man find > …
man find > …
Troubleshooting Solution
Script to change perms on files and dirs but change them back to their original perms.
Does anyone have a script to change the permissions of all files and dirs found under a path that
…
Troubleshooting Solution
Find - perms checking and prune on Redhat
I was looking for some experts to help me with some find commands to check perms with pruning and
…
Troubleshooting Solution
Unix prune command. find perms and change
Trying to find the best way to find all files and dirs that have perms 400 600 or 700 and exclude
…
Troubleshooting Solution
More efficient way without using lsof to check open files
Is there a more efficient way to check for open file systems in these directories
or is there a more
…
Troubleshooting Solution
UNiX Script filesystem space usage Part2
I had asked for assistance creating a script to display filesystem usage over a certain percentage. …
Troubleshooting Solution
SCO5 WARNING: table_alloc - Failed to get address space for exec data table
Running SCO OpenServer 5 and receiving the following message:
WARNING: table_alloc - Failed to get
…
Video
Linux/ Unix Bash Shell: Working with Files
Learn several ways to interact with files and get file information from the bash shell.
Troubleshooting Solution
AIX update errors
I was asked to do an AIX update on an AIX 6.1 system. Before I started I did an lppchk -v and got …
Troubleshooting Solution
The columns of the "open file table"?
In reality, the "open file table" is not really a table, but let's say we will see it as a table. …
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Unix OSBack to the top
Unix is a multitasking, multi-user computer operating system originally developed in 1969 at Bell Labs. Today, it is a modern OS with many commercial flavors and licensees, including FreeBSD, Hewlett-Packard’s UX, IBM AIX and Apple Mac OS-X. Apart from its command-line interface, most UNIX variations support the standardized X Window System for GUIs, with the exception of the Mac OS, which uses a proprietary system.