I’m already using few tips described here. From the article: So I like vim a lot, and I’ve been using it on and off for a few years, but recently I’ve been using it full-time to code in Python. I learned a few things along the way and I made vim a better IDE for [...]

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By default, PostgreSQL database server remote access disabled for security reasons. However, some time you need to provide the remote access to database server from home computer or from web server. Step # 1: Login over ssh if server is outside your IDC Login over ssh to remote PostgreSQL database server: $ ssh user@remote.pgsql.server.com Step # 2: Enable [...]

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Here is quick tip, if you wish to perform an unattended download of large files such as Linux DVD ISO use wget as follows: wget -bqc http://path.com/url.iso Where, => -b : Go to background immediately after startup. If no output file is specified via the -o, output is redirected to wget-log. => -q : Turn off Wget?s output [...]

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This article examined a simple, but powerful, method to run commands on a remote machine using combination of ssh and a shell script: Use Secure Shell (SSH) to run commands on remote UNIX systems and, with some simple scripts, put together a system that enables you to manage many systems simultaneously from one machine without having [...]

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netcat utility (nc command) considered as TCP/IP swiss army knife. It reads and writes data across network connections, using TCP or UDP protocol. It is designed to be a reliable “back-end” tool that can be used directly or easily driven by other programs and scripts. At [...]

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One of our regular sends us a question: How can I test if my hard disk is going bad? I see few errors in /var/log/messages file. I/O errors in /var/log/messages indicates that something is wrong with the hard disk and it may be failing. Next thing is check hard disk for error using smartctl command, which is control [...]

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The du command estimate file space usage and summarize disk usage of each FILE, recursively for directories. It displays the file system block usage for each file argument and for each directory in the file hierarchy rooted in each direc tory argument. If no file is specified it will use current directory. But why use du [...]

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