Linux Administration & Maintenance - Revision history

Gordp: /* LDAP Authentication, and Home-Directory AutoMounting */

2015-08-28T19:37:17Z

LDAP Authentication, and Home-Directory AutoMounting

← Older revision		Revision as of 19:37, 28 August 2015
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	===LDAP Authentication, and Home-Directory AutoMounting===		===LDAP Authentication, and Home-Directory AutoMounting===
	First, make sure you have the necessary packages on your system:		First, make sure you have the necessary packages on your system '''(NOTE: enable LDAP USE-FLAG where it appears, like autofs)''':
	<font color=red>hostname</font> <font color=blue>~ #</font> '''emerge -v pam_ldap nss_ldap autofs'''		<font color=red>hostname</font> <font color=blue>~ #</font> '''emerge -v pam_ldap nss_ldap autofs'''

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	nss_reconnect_maxconntries 3 # how many tries before sleeping		nss_reconnect_maxconntries 3 # how many tries before sleeping

	Create and populate /etc/ldap.secret from a working machine.		<s>Create and populate /etc/ldap.secret from a working machine.</s>

	Example /etc/nsswitch.conf:		Example /etc/nsswitch.conf:

Gordp: /* LDAP Authentication, and Home-Directory AutoMounting */

2015-08-28T18:17:08Z

LDAP Authentication, and Home-Directory AutoMounting

← Older revision		Revision as of 18:17, 28 August 2015
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	nss_base_aliases ou=Aliases,dc=iat,dc=sfu,dc=ca		nss_base_aliases ou=Aliases,dc=iat,dc=sfu,dc=ca
	nss_base_netgroup ou=Netgroup,dc=iat,dc=sfu,dc=ca		nss_base_netgroup ou=Netgroup,dc=iat,dc=sfu,dc=ca
			nss_reconnect_tries 1 # number of times to double the sleep time
			nss_reconnect_sleeptime 1 # initial sleep value
			nss_reconnect_maxsleeptime 1 # max sleep value to cap at
			nss_reconnect_maxconntries 3 # how many tries before sleeping

	Create and populate /etc/ldap.secret from a working machine.		Create and populate /etc/ldap.secret from a working machine.
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	Example /etc/nsswitch.conf:		Example /etc/nsswitch.conf:

	passwd: compat ldap		passwd: compat ldap [UNAVAIL=return]
	shadow: compat ldap		shadow: compat ldap [UNAVAIL=return]
	group: compat ldap		group: compat ldap [UNAVAIL=return]

	# passwd: db files nis		# passwd: db files nis
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	Example /etc/auto.master		Example /etc/autofs/auto.master

	/home/users ldap:209.87.56.238:ou=home.users,ou=AutoFS,dc=iat,dc=sfu,dc=ca		/home/users ldap:209.87.56.238:ou=home.users,ou=AutoFS,dc=iat,dc=sfu,dc=ca

Gordp at 21:45, 25 June 2013

2013-06-25T21:45:43Z

Show changes

Gordp: /* Gentoo */

2013-06-25T21:44:03Z

Gentoo

← Older revision		Revision as of 21:44, 25 June 2013
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	==Gentoo==		==Gentoo==
	On-Campus, we can speed installation/updates by using a local source; in your /etc/make.conf:<br>		On-Campus, we can speed installation/updates by using a local source; in your /etc/make.conf:<br>
	GENTOO_MIRRORS="~~http~~://~~mirror~~.iat.sfu.ca/gentoo/"		GENTOO_MIRRORS="rsync://musashi.iat.sfu.ca/gentoo/"
	An alternative is to use an NFS mount, but if NFS breaks or is unavailable... :-(<br>		An alternative is to use an NFS mount, but if NFS breaks or is unavailable... :-(<br>
	Robin: "For best performance, I recommend mounting		Robin: "For best performance, I recommend mounting

Gordp: /* Build Critical/Rescue files on Another Machine */

2012-05-07T16:14:51Z

Build Critical/Rescue files on Another Machine

← Older revision		Revision as of 16:14, 7 May 2012
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	This builds a '''.tbz2''' tarball, with emerge information included, but does not install it onto the build-host system. Typically this will be found on the buildhost under '''/usr/portage/packages/''<category>/<problem_package>'''''. We must now copy this over to the targe machine (the one to be rescued):		This builds a '''.tbz2''' tarball, with emerge information included, but does not install it onto the build-host system. Typically this will be found on the buildhost under '''/usr/portage/packages/''<category>/<problem_package>'''''. We must now copy this over to the targe machine (the one to be rescued):
	<font color=red>buildhost</font> <font color=blue>root #</font> '''scp /usr/portage/packages/''<category>/<problem_package>'' root@target:/usr/portage/packages/All/'''		<font color=red>buildhost</font> <font color=blue>root #</font> '''scp /usr/portage/packages/''<category>/<problem_package>'' root@target:/usr/portage/packages/All/'''
			'''OR''' (depending on system specifics)
			<font color=red>buildhost</font> <font color=blue>root #</font> '''scp /usr/portage/packages/''<category>/<problem_package>'' root@target:/usr/portage/packages/''<category>'''''
	Now move over to the target machine (the one to be rescued):		Now move over to the target machine (the one to be rescued):
	<font color=red>target</font> <font color=blue>root #</font> '''emerge -K ''<problem_packages>''''' ''<again, you can test the installation by invoking emerge -pK>''		<font color=red>target</font> <font color=blue>root #</font> '''emerge -K ''<problem_packages>''''' ''<again, you can test the installation by invoking emerge -pK>''

Gordp: /* Rescue CD Method */

2012-05-07T15:44:41Z

Rescue CD Method

← Older revision		Revision as of 15:44, 7 May 2012
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	<font color=red>livecd</font> <font color=blue>/ #</font> '''source /etc/profile'''		<font color=red>livecd</font> <font color=blue>/ #</font> '''source /etc/profile'''
	<font color=red>livecd</font> <font color=blue>/ #</font> '''export PS1="(chroot) $PS1"'''		<font color=red>livecd</font> <font color=blue>/ #</font> '''export PS1="(chroot) $PS1"'''
	Grub reads the /etc/mtab file to learn about the currently mounted filesystems:		Grub reads the /etc/mtab file to learn about the currently mounted filesystems (you only need to do this if your rescue-work involves GRUB):
	<font color=red>livecd</font> <font color=blue>/ #</font> '''cp /proc/mounts /etc/mtab'''		<font color=red>livecd</font> <font color=blue>/ #</font> '''cp /proc/mounts /etc/mtab'''

Gordp: /* Rescue CD Method */

2012-05-07T15:43:26Z

Rescue CD Method

← Older revision		Revision as of 15:43, 7 May 2012
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	<font color=red>livecd</font> <font color=blue>/ #</font> '''env-update'''		<font color=red>livecd</font> <font color=blue>/ #</font> '''env-update'''
	<font color=red>livecd</font> <font color=blue>/ #</font> '''source /etc/profile'''		<font color=red>livecd</font> <font color=blue>/ #</font> '''source /etc/profile'''
			<font color=red>livecd</font> <font color=blue>/ #</font> '''export PS1="(chroot) $PS1"'''
			Grub reads the /etc/mtab file to learn about the currently mounted filesystems:
			<font color=red>livecd</font> <font color=blue>/ #</font> '''cp /proc/mounts /etc/mtab'''

	Now, do your rescue work. Good luck!		Now, do your rescue work. Good luck!

Gordp: /* RedHat/Fedora */

2011-06-20T20:22:34Z

RedHat/Fedora

← Older revision		Revision as of 20:22, 20 June 2011
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	* TODO: Instructions for install with LDAP working		* TODO: Instructions for install with LDAP working
	* TODO: Instructions for auto-update configuration		* TODO: Instructions for auto-update configuration

	~~==RedHat/Fedora==~~
	* TODO: Instructions for install with LDAP working

	==Ubuntu==		==Ubuntu==

Gordp: /* Customizing Compiz on Ubuntu 8.04 */

2011-06-20T20:22:13Z

Customizing Compiz on Ubuntu 8.04

← Older revision		Revision as of 20:22, 20 June 2011
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	<font color=red>hostname</font> <font color=blue>~ #</font> '''mount -t ext3 -o defaults /dev/$partition /mnt/'''		<font color=red>hostname</font> <font color=blue>~ #</font> '''mount -t ext3 -o defaults /dev/$partition /mnt/'''
	The command above mounts $partition to /mnt/.		The command above mounts $partition to /mnt/.

	~~===Customizing Compiz on Ubuntu 8.04===~~

	~~Compiz now comes pre-installed on Ubuntu, however it doesn't allow you for much customization. To be able to tweak all the settings, follow these instructions:~~

	~~<font color=red>hostname</font> <font color=blue>~ #</font> '''sudo apt-get install simple-ccsm'''~~
	~~<font color=red>hostname</font> <font color=blue>~ #</font> '''sudo apt-get install compizconfig-settings-manager'''~~

	~~Now you can rum the Compiz Custom Settings Manager, from System > Preferences > Advanced Desktop Effects Settings~~

	==Linux Tips and Tools==		==Linux Tips and Tools==
	[[Linux Tips and Tools]]		[[Linux Tips and Tools]]

Gordp: /* Installing Beryl on Ubuntu 7.04 */

2011-06-20T20:21:57Z

Installing Beryl on Ubuntu 7.04

@@ Line 369: / Line 369: @@
 Now you can rum the Compiz Custom Settings Manager, from System > Preferences > Advanced Desktop Effects Settings
 ==Linux Tips and Tools==
 [[Linux Tips and Tools]]