Scenario: A mismatch exists between the Cur LV and Open LV: --- Volume groups --- VG Name /dev/vg00 VG Write Access read/write VG Status available Max LV 255 Cur LV 8 Open LV 9 Max PV 16 Cur PV 2 Act PV 2 Max PE...
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HP-UX email with attachments
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1. Mail No attachment, just the body: mailx -m -s "My Subject" billh@abc.com < file_for_email_body 2. Mail with attachement, and no body: ux2dos /path_to/some_file | uuencode some_file.txt | mailx -m -s "MAIL FROM Billh" billh@abc.com 3. Mail with both attachment and body: ux2dos /path_to/some_file |...
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Easy Xwindows for PCs
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For the first couple of decades of Unix-style systems, Xwindows, also known as X or X11, was part of every Unix-based workstation. In HP-UX, Xwindows started life in the late 1980s with mwm (Motif Window Manager) and later in the early 1990s, porting VUE (Visual...
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Here document not working
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Here documents (inline text) are a great way to keep text within a script. But when the document doesn't work as expected, troubleshooting can be a challenge. Here are some tips: You can prevent shell expansion of variable names and other special characters by placing...
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Network fails with /var full
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One of the more bizarre error conditions for /var being full is that networking cannot be initialized at bootup. The basic networking functions (loopback interfaces) are the first step in getting network cards initialized, and if this step fails, all networking is disabled. All versions...
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Troubleshooting failed NFS
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There are always 2 parts to an NFS share: the client and the server. For shares that have been working in the past, the remote server and the path between is usually the problem. To see that if rpcbind is running and NFS transactions are...
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Using lsof
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lsof (List Open Files) is one of the most indispensible tools in the sysadmins toolkit. With it, you can look for processes that have opened a specific file or directory, find processes that have unlinked (removed from directory) files still open, find all the files...
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setboot path and DSF
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setboot returns the Primary and Alternate (and HA Alternate) boot paths but starting with 11.31, a mix of agile names and legacy names may be found in the bootconf file, lvlnboot and other system tools. To script the handling of DSFs (Device Special Files) across...
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Stopping pwgrd (password daemon)
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The password daemon (pwgrd) was created to manage massively large password file (more than 500 logins). Essentially, it performed caching activities of the /etc/passwd file so that commands like ls -l would excute quickly. But historically, it has had a number of problems with consuming...
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Java out of memory on HP-UX
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java.lang.OutOfMemoryError: Map failed This is a common error for 32 bit applications. Without special handling, the largest amount of local memory (often heap area) for a 32bit program is 950 MB or one quadrant in the 4 quadrant model for 32bit programs. HP added a...
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