Archive for the ‘System Administration’ Category

Passive Mode FTP with iptables

Posted: 21st January 2014 by Babar Shafiq in System Administration
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There’s lots of advice on the net about how to setup a server with iptables to allow passive mode FTP. Below is the approach that we’ve found to be most effective. Start by configuring your FTP daemon to use a fixed range of ports. We use 41361 to 65534 which is the IANA registered ephemeral […]

  RAID hardware failed and both SATA x 2 TB stops working, tried enable/disable RAID controller without luck, Add/Remove drives but no boot, kernel panic and stuck. Now what I want is to boot one hard disk to restore services so I tried: fsck /dec/sda but it gives error unknown filesystem type ‘isw_raid_member’ So the […]

ORA-28002: the password will expire within 7 days Cause: The user’s account is about to about to expire and the password needs to be changed. Action: Change the password or contact the database administrator. Reference: Oracle Documentation [roboshot url=”http://blogs.silicontechnix.com/?p=945″ width=”80″ newpage=”TRUE”] Solutions:

  WinSSH Update (10/July/2016): OpenSSH (7.2p2) Server for Windows (7.2p2 is latest version of OpenSSH) OpenSSH (6.4p1) Server for Windows (Previous version of OpenSSH) General Features:- * Security, if you want to access your Windows Machines cmd shell with full security. * Windows NT Service Support * Full install about 12mb, installer under 8mb (Including […]

There are times that it would be nice to mount a drive in Windows and set it to read only to avoid accidentally over writing data on that drive. After some Google searching this is what I found. This will only work on Windows XP sp2 and later and Windows 7. I have not tested […]

Speed up Firefox and Conserve Memory

Posted: 4th September 2013 by Babar Shafiq in Browser, System Administration
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  As we all know that the Firefox browser takes a lot of our computer memory, this is of course made a slow computer performance and also affect our activity on the internet. Why does this happen? One main cause is because Firefox itself. Although popular, it seems that Firefox is not a lightweight browser. […]