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Archive for the 'Debian / Ubuntu' Category

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• Linux Check Health of 3ware RAID Array :

  How do I check the health of my 3ware RAID array under any Linux distribution? How do I access 3ware RAID Array web interface?

• How To Install firefox-3.0.tar.bz2 in Linux :

  How To Install downloaded Firefox 3.0 tar.gz / firefox-3.0.tar.bz2 file under any Linux distribution?

• How To Set Caching DNS Server :

  How do I set caching dns server to speed up dns lookup for my LAN (500 PC)? The DNS lookups creating a lot of network activity. There are a few times when this causes performance issues. How do I configure caching dns under Debian Linux?

• Squid Proxy WARNING! Your cache is running out of filedescriptors error and solution :

  I’ve Squid Proxy server with over 100 Windows workstation. I see following error message in my cache.log file - “WARNING! Your cache is running out of filedescriptors”. Do I need to filter proxy server requests to avoid this problem? How do I fix this problem under CentOS / Fedora / RHEL / Debian Linux?

• Ubuntu / Debian Linux Regenerate OpenSSH Host Keys :

  How do I regenerate OpenSSH sshd server host keys stored in /etc/ssh/ssh_host_* files under Debian Linux server? Can I safely regenerate ssh host keys using remote ssh session as my existing ssh connections shouldn’t be interrupted?

• DNS Name Resolution :

  Can you explain DNS name resolution concept? Why I need to set DNS resolution for my Windows or Linux server? How do I setup DNS name resolution under Linux / UNIX server system?

• APF Linux Firewall Open Port 22 From Specific / Selected IP Address Only :

  Q. I’ve CentOS Linux server configured with APF firewall. How do I open port 22 from specific IP address only? I’ve fix static ADSL IP address assgined and I’d like to open port 22 from my IP 202.5.1.3 only using APF firewall script. How do I configure firewall?

• Bind Postfix Mail Server To Localhost or Specific IP Address Only :

  How do I bind Postfix MTA to specific IP address such as 127.0.0.1 or 202.5.1.2?

• Linux Change The I/O Scheduler For A Hard Disk :

  Q. How do I change the I/O scheduler for a particular hard disk without rebooting my Linux server system?

• Apache Log Files :

  How do I find out Apache http server log files location? How do I change the location of Apache log file under Linux / UNIX operating system?

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