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Archive for the 'Ubuntu Linux' Category

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• Linux / UNIX View Only Configuration File Directives ( uncommented lines of a config file ) :

  Most Linux / UNIX configuration files are documented using comments, but some time I just need to see line of configuration text in a file. How can I view just the uncommented configuration file directives from squid.conf or httpd.conf file?

• Best Method To Reboot Remote Linux / Windows / UNIX Server :

  Q. I’ve couple of Linux / Windows server hosted in remote data center? My ISP provides following option for rebooting the box:
  a) Graceful shutdown command
  b) An IPMI reboot
  c) A power strip
  Which one is the best way to reboot server and why?

• How do I Be More Productive In Vim? :

  I’m just starting in vim text editor but I’m annoying typing and retyping similar statements. Can you address me about it?

• Moving Around With vim (keyboard short cuts) :

  Can you tell me few useful vim text editor keyboard short cuts for moving around while editing text files?

• How To Find and Overcome Shell Command Line Length Limitations :

  While using mv or rm command I get command line length error (Argument list too long error). How do I find out current running shell command line length limitations? How do I overcomes these limitations while writing UNIX / BSD / Linux shell utilities?

• Unix Create a Symbolic Link :

  How do I create file links under UNIX / Linux / BSD operating systems?

• Ubuntu Linux Configure Gateway / Default Routing IP Address :

  How do I configure default router or gateway IP address under Ubuntu Linux / Debian Linux? How do I change default router / gateway IP under Ubuntu Linux?

• Bash Shell Loop Over Set of Files :

  How do I run shell loop over set of files stored in a current directory or specified directory?

• How To Use Proxy Server To Access Internet at Shell Prompt With http_proxy Variable :

  I’m behind a squid proxy server. How do I access internet via proxy server when I use wget, lynx and other utilities from a shell prompt?

• Linux Change Default User Home Directory While Adding A New User :

  By default user is added to /home directory. I’d like to add user to /iscsi/home/${user} directory instead of default /home. How do I force useradd to add user to /iscsi/home under CentOS / RHEL / Fedora Linux?

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