How do I install webmin control panel for my FreeBSD server?

Answer to “FreeBSD Install and Configure Webmin Web-based Interface ( Control Panel )“

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I’d like to tell my Linux iptables firewall to flush out the current configuration every 5 minutes. This will help when I’m testing a new rules and configuration options. Some time I find myself locked out of my own remote server. How do I reset Linux firewall automatically without issuing hard reboot?

Answer to “How To Reset Linux Firewall Automatically While Testing Configuration With Remote Server Over SSH Session“

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How do I simulate the upgrade first to confirm that the actions that would be taken are reasonable under Debian / Ubuntu Linux package management?

Answer to “How To Simulate Linux Package Upgrade Without Installing Anything ( Dry Run )“

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I run a backup script called /root/backup.sh which runs rsync command. However, rsync makes a lots of disk I/O and network I/O. I’d like to reduce both disk I/O and network I/O. I’ve 10Mbps server connection and 160GiB SATA hard disk. How do reduce disk I/O so that the entire system doesn’t die or become unresponsive?

Answer to “Throttle The Disk I/O Rate: Limit disk I/O for rsync Tool“

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Gates may be gone, but the walls and bars of proprietary software he helped create remain, for now — Richard Stallman.

Read more: Richard Stallman Attacks On Proprietary Software Vendors

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I’ve HP RAID 6 server running RHEL 5.x. I’d like to act this box as a backup server for my other Red Hat DNS and Web server. The server must keep backup in hourly, daily and monthly format. How do I configure my Red Hat / CentOS Linux server as remote backup or snapshot server?

Answer to “How To Set Red hat / CentOS Linux Remote Backup / Snapshot Server“

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Internet users at risks due to not updating most secure web browser and plugins. Study also finds that Firefox users most likely to use the latest version and therefore well secured from the Internet attacks.

Read more: Firefox Leads Web Browser Security War

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After reading this article, you should now be able to use the Korn shell in ways you may not have known before. Mastering the command line can simplify your work and help you better understand how to make the shell and command line work for you rather than you working harder for it.

Read more: UNIX Command Line And The History Of The Shell

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AVG anti-virus includes browser plugin called “Linkscanner” that scans all the links on search engine result pages for viruses and malicious code. Here is how you can block AVG Scanner under Apache.

Read more: How To Stop AVG Scanner Hitting Apache Web Server

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UNIX or Linux distros offers many flavors. Managing many UNIX like operating systems can be difficult. Here are few tips about selecting one perfect operating system for your business and sticking it with to save both money and time.

Read more: Choosing UNIX / Linux Operating System Vendor / Software

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IOzone is a filesystem benchmark tool. The benchmark generates and measures a variety of file operations. Iozone has been ported to many systems and runs under many operating systems including Windows, UNIX, Linux and BSD. This article gives you a jumpstart on performing benchmark on filesystem using iozone a free Filesystem Benchmark utility under Linux.

Read more: How To Measure Linux Filesystem I/O Performance With iozone

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How do I configure IPv6 networking under FreeBSD 7.x server? How do I assign IPv6 IP address using command line utility?

Answer to “FreeBSD Configure IPv6 Networking / Static IP Address“

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I’m not able to run tracepath or tracepath6 under Debian Linux. tracepath is default under CentOS Linux. How do I install tracepath command under Debian Linux 4.x server? How do I find out what package owns the command under Debian / Ubuntu Linux?

Answer to “Debian / Ubuntu Linux Install tracepath / traceroute6 / tracepath6 commands“

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An updated firefox package that fixes several security issues is now available for various Linux distributions. All Mozilla Firefox users should upgrade to this updated package as update has been rated as having critical security impact.

Read more: Security Alert: Update FireFox 3.x and 2.x Versions

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The new record show off the popularity of Firefox web browser software. It is offical Mozilla set a Guinness World Record for the most software downloaded in 24 hours.

Read more: FireFox 3 Sets A New Guinness World Record For The Largest Number Of Software Download In 24 Hours

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How do I hide my dns server version number from command such as - “dig @ns1.example.com -c CH -t txt version.bind” under UNIX / Linux oses?

Answer to “How To Hide BIND DNS Sever Version“

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How do I fix - “Public key Blacklisted (see ssh-vulnkey(1))” error under any Linux based desktop system?

Answer to “Debian / Ubuntu Linux Public key Blacklisted (see ssh-vulnkey(1)) Error and Solution“

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How do I fix - “Public key Blacklisted (see ssh-vulnkey(1))” error under any Linux based desktop system?

Answer to “Debian / Ubuntu Linux Public key Blacklisted (see ssh-vulnkey(1)) Error and Solution“

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Linux netconsole kernel module allows dmesg output to be transmitted via the syslogd network. It is kernel-level network logging over udp allowing debugging of problem where disk logging fails and serial consoles are impractical. This is a step-by-step mini howto about netconsole configuration under Red Hat, CentOS, Fedora and Debian Linux.

Read more: Linux Configure Netconsole To Log Messages Over UDP Network

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My local nameserver root zone file is outdated. It has no information about IPv6 and recently changed root server IP address. How do I update my root hints data file under Debian and Red Hat Bind 9 server?

Answer to “How Do I Update The Root Hints Data File for BIND Named Server?“

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I’m intend to set up my own BIND9 Domain Name Server (DNS) service but I’m getting an error - “Errors were detected”. How Do I prepare BIND9 to work with GoDaddy domains and fix this issue?

Answer to “How To Set BIND9 With Go Dadday Registered Domain“

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I’m intend to set up my own BIND9 Domain Name Server (DNS) service but I’m getting an error - “Errors were detected”. How Do I prepare BIND9 to work with Go Daddy domains and fix this issue?

Answer to “How To Set BIND9 With Go Daddy Registered Domain“

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I use my system as Linux digital tv and tvtime application to watch TV. How do I take a screenshots under tvtime?

Answer to “How To Take A Screenshot Using Linux tvtime Application“

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You can use tar, split and md5sum to backup large files (30Gig or more) easily under Linux / UNIX operating systems.

Read more: Linux: Local / Remote Backup For Large Files

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I’d like to cache few static pages (html, css, js, images) or files that are viewed frequently such as index.html or order.html and so on. How do I cache files under Apache without using squid proxy solution?

Answer to “Apache Web Server Cache Frequently Used Files To Improve Performance“

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These are some of the Emacs text editor features I use the most on a day to day basis.

Read more: Emacs Text Editor Tips

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NETGEAR Launches Open Source Wireless-G Router Enabling Linux Developers and Enthusiasts to Create Firmware for Specialized Applications.

Read more: NETGEAR Launches Open Source WGR614L Wireless-G Router

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It happens all the time. Sooner or later, every organization may run out of qualified admin staff because of various issues. So how do you deal with fresh out of school admins or other helping people in your organization?

Read more: How To Deal With Shortage Of UNIX / Linux Administrators

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How do I check the existing Linux / UNIX users and groups under Linux / UNIX operating system?

Answer to “UNIX / Linux Command To Check Existing Groups and Users“

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An unpatched security hole in Ubuntu Linux 8.04 LTS operating system could be used by attackers to send a crafted packet and cause a denial of service via application crash in applications linked against OpenSSL to take control of vulnerable servers.

Read more: Ubuntu Linux Critical OpenSSL and Ruby Vulnerabilities Fix Released

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