Random bits of knowledge gathered over the years. Mostly IT related, but recipes etc will do, too. https://dynamic.bubbakraut.com/linuxstuff 2021-01-14T10:19:15+01:00 BubbaKraut.com admin@bubbakraut.com Joomla! - Open Source Content Management 2012-09-26T15:26:22+02:00 2012-09-26T15:26:22+02:00 https://dynamic.bubbakraut.com/linuxstuff/30-resizing-a-ext3-disk-and-partition Sven Jambor admin@bubbakraut.com

<p>A client of mine uses an iSCSI target to back up databases on Oracle Enterprise Linux production machines.</p> <p>Great concept - until the disk runs out of space and the admins want to take down the server to fix that. Ahum? Take the server offline for a backup drive? Come on, there's got to be a better way. And there is.</p>

<p>A client of mine uses an iSCSI target to back up databases on Oracle Enterprise Linux production machines.</p> <p>Great concept - until the disk runs out of space and the admins want to take down the server to fix that. Ahum? Take the server offline for a backup drive? Come on, there's got to be a better way. And there is.</p> 2011-10-27T16:40:23+02:00 2011-10-27T16:40:23+02:00 https://dynamic.bubbakraut.com/linuxstuff/26-how-to-add-a-disk-using-its-identifier-in-ubuntu Sven Jambor admin@bubbakraut.com

<h3>List all UUIDs</h3> <p>Use blkid command-line utility to locate/print block device attributes:<br /> <code>$ sudo blkid</code><br /> Sample output:</p> <pre>/dev/sda1: TYPE="ntfs" UUID="A0F0582EF0580CC2" /dev/sda2: UUID="8c2da865-13f4-47a2-9c92-2f31738469e8" SEC_TYPE="ext2" TYPE="ext3" /dev/sda3: TYPE="swap" UUID="5641913f-9bcc-4d8a-8bcb-ddfc3159e70f" /dev/sda5: UUID="FAB008D6B0089AF1" TYPE="ntfs" /dev/sdb1: UUID="32c61b65-f2f8-4041-a5d5-3d5ef4182723" SEC_TYPE="ext2" TYPE="ext3" /dev/sdb2: UUID="41c22818-fbad-4da6-8196-c816df0b7aa8" SEC_TYPE="ext2" TYPE="ext3" </pre> <h3>How do I use UUID to update /etc/fstab file?</h3> <p>Simply use following syntax:</p> <pre>UUID={YOUR-UID} {/path/to/mount/point} {file-system-type} defaults,errors=remount-ro 0 1</pre> <p>Open /etc/fstab:<br /> <code>$ sudo vi /etc/fstab</code><br /> Append line as follows:</p> <pre>UUID=41c22818-fbad-4da6-8196-c816df0b7aa8 /disk2p2 ext3 defaults,errors=remount-ro 0 1</pre> <p>Save and close the file. To mount new partition immediately using /etc/fstab type:<br /> <code>$ sudo mount -a</code></p>

<h3>List all UUIDs</h3> <p>Use blkid command-line utility to locate/print block device attributes:<br /> <code>$ sudo blkid</code><br /> Sample output:</p> <pre>/dev/sda1: TYPE="ntfs" UUID="A0F0582EF0580CC2" /dev/sda2: UUID="8c2da865-13f4-47a2-9c92-2f31738469e8" SEC_TYPE="ext2" TYPE="ext3" /dev/sda3: TYPE="swap" UUID="5641913f-9bcc-4d8a-8bcb-ddfc3159e70f" /dev/sda5: UUID="FAB008D6B0089AF1" TYPE="ntfs" /dev/sdb1: UUID="32c61b65-f2f8-4041-a5d5-3d5ef4182723" SEC_TYPE="ext2" TYPE="ext3" /dev/sdb2: UUID="41c22818-fbad-4da6-8196-c816df0b7aa8" SEC_TYPE="ext2" TYPE="ext3" </pre> <h3>How do I use UUID to update /etc/fstab file?</h3> <p>Simply use following syntax:</p> <pre>UUID={YOUR-UID} {/path/to/mount/point} {file-system-type} defaults,errors=remount-ro 0 1</pre> <p>Open /etc/fstab:<br /> <code>$ sudo vi /etc/fstab</code><br /> Append line as follows:</p> <pre>UUID=41c22818-fbad-4da6-8196-c816df0b7aa8 /disk2p2 ext3 defaults,errors=remount-ro 0 1</pre> <p>Save and close the file. To mount new partition immediately using /etc/fstab type:<br /> <code>$ sudo mount -a</code></p> 2011-10-26T14:07:51+02:00 2011-10-26T14:07:51+02:00 https://dynamic.bubbakraut.com/linuxstuff/25-opendedupe-installation-on-openfiler-23 Sven Jambor admin@bubbakraut.com

<p>(2) Install RPM modules on OpenFiler<br />      - conary update <a href="mailto:beecrypt=contrib.rpath.org@rpl:devel">beecrypt=contrib.rpath.org@rpl:devel</a><br />      - conary update <a href="mailto:rpm=rpm.rpath.org@rpl:devel/4.4.4">rpm=rpm.rpath.org@rpl:devel/4.4.4</a></p> <p> </p> <p>Mayno above not needed. Three ingredients: Java, Fuse &amp; SDFS package itself</p> <p>Goto <a href="http://jdk7.java.net/download.html">http://jdk7.java.net/download.html</a> and find the link for JRE or JDK. Copy the link shortcut to clipboard.</p> <p>On console, do wget &lt;link to jdk&gt;</p> <p>unpack archive: </p> <p>move to /usr/lib/jvm/jdk1.7.0_02</p> <p>export JAVA_HOME=/usr/lib/jvm/jdk1.7.0_02</p> <p>nano -w /etc/security/limits.conf</p> <p> </p> <p> </p> <p> </p> <p>need C compiler to compile sdfs; so:</p> <p>conary update gcc<br />conary update libtool<br />conary update glib:devel<br />conary update glibc:devel<br />conary update automake<br />conary update autoconf<br />conary update pkgconfig</p> <p>cd into unpacked fuse directory (sdfs_fuse_2.8.4/fuse_src_sdfs-2.8.4) and do</p> <p>./configure<br />make<br />make install<br />modprobe fuse</p> <p>Add '/usr/local/lib' to '/etc/ld.so.conf' and run ldconfig.</p> <p> Download and unpack SDFS</p> <p>tar -xzg sdfs-1.1.0.tar.gz</p> <p> </p> <p> </p> <p>=&gt; problem with Glibc version</p> <p>https://forums.openfiler.com/viewtopic.php?id=6015</p> <p> </p> <p> </p> <p> </p>

<p>(2) Install RPM modules on OpenFiler<br />      - conary update <a href="mailto:beecrypt=contrib.rpath.org@rpl:devel">beecrypt=contrib.rpath.org@rpl:devel</a><br />      - conary update <a href="mailto:rpm=rpm.rpath.org@rpl:devel/4.4.4">rpm=rpm.rpath.org@rpl:devel/4.4.4</a></p> <p> </p> <p>Mayno above not needed. Three ingredients: Java, Fuse &amp; SDFS package itself</p> <p>Goto <a href="http://jdk7.java.net/download.html">http://jdk7.java.net/download.html</a> and find the link for JRE or JDK. Copy the link shortcut to clipboard.</p> <p>On console, do wget &lt;link to jdk&gt;</p> <p>unpack archive: </p> <p>move to /usr/lib/jvm/jdk1.7.0_02</p> <p>export JAVA_HOME=/usr/lib/jvm/jdk1.7.0_02</p> <p>nano -w /etc/security/limits.conf</p> <p> </p> <p> </p> <p> </p> <p>need C compiler to compile sdfs; so:</p> <p>conary update gcc<br />conary update libtool<br />conary update glib:devel<br />conary update glibc:devel<br />conary update automake<br />conary update autoconf<br />conary update pkgconfig</p> <p>cd into unpacked fuse directory (sdfs_fuse_2.8.4/fuse_src_sdfs-2.8.4) and do</p> <p>./configure<br />make<br />make install<br />modprobe fuse</p> <p>Add '/usr/local/lib' to '/etc/ld.so.conf' and run ldconfig.</p> <p> Download and unpack SDFS</p> <p>tar -xzg sdfs-1.1.0.tar.gz</p> <p> </p> <p> </p> <p>=&gt; problem with Glibc version</p> <p>https://forums.openfiler.com/viewtopic.php?id=6015</p> <p> </p> <p> </p> <p> </p>