Linux Software Package - Revision history

Kevin at 13:39, 30 June 2015

2015-06-30T13:39:38Z

← Older revision		Revision as of 13:39, 30 June 2015
Line 9:		Line 9:
	<pre>		<pre>
	$ apt-cache search <package name in regular expression>		$ apt-cache search <package name in regular expression>
		+	</pre>
		+
		+	== Lock Version ==
		+	* Lock the current version of a package (so it will not be upgraded)
		+
		+	<pre>
		+	sudo apt-mark hold package_name
		+	</pre>
		+
		+	* Unlock the locked package.
		+	<pre>
		+	sudo apt-mark unhold package_name
	</pre>		</pre>

Kevin at 13:19, 15 September 2010

2010-09-15T13:19:21Z

← Older revision		Revision as of 13:19, 15 September 2010
Line 10:		Line 10:
	$ apt-cache search <package name in regular expression>		$ apt-cache search <package name in regular expression>
	</pre>		</pre>
		+
		+
		+	== Troubleshooting ==
		+	After run <code>apt-get update</code> if there is a GPG error like
		+	<pre>
		+	W: GPG error: http://ppa.launchpad.net lucid Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 608BF7B93528AE20
		+	</pre>
		+
		+	Take the last 8 characters from the keyid
		+	<pre>
		+	e.g.)
		+	from the keyid
		+	608BF7B93528AE20
		+	take 3528AE20
		+	</pre>
		+	Run the following commands
		+	gpg --keyserver keyserver.ubuntu.com --recv 3528AE20
		+	gpg --export --armor 3528AE20 \| sudo apt-key add -
		+
		+	OR
		+	Use the full keyid and put the 0x before it then run the following commands
		+	wget -q "http://keyserver.ubuntu.com:11371/pks/lookup?op=get&search=0x608BF7B93528AE20" -O- \| sudo apt-key add -
		+	If it does not work, remove the port number and try again.
		+	wget -q "http://keyserver.ubuntu.com/pks/lookup?op=get&search=0x608BF7B93528AE20" -O- \| sudo apt-key add -
		+
		+	To see all the keys,
		+	sudo apt-key list

Kevin: New page: Category:Linux == Check Package ==

 $ dpkg -l | grep

 $ apt-cache policy

 $ apt-cache search 
2008-09-29T05:47:17Z
New page: Category:Linux == Check Package == <pre> $ dpkg -l | grep <package name> </pre> <pre> $ apt-cache policy <package name> </pre> <pre> $ apt-cache search <package name in regular express...
New page
[[Category:Linux]]

== Check Package ==

<pre>

$ dpkg -l | grep <package name>

</pre>

<pre>

$ apt-cache policy <package name>

</pre>

<pre>

$ apt-cache search <package name in regular expression>

</pre>