The Crucial Blog - Archive
HyperVM: cannot restore segment prot after reloc: Permission denied
Error:
Failed loading /usr/local/lxlabs/ext/lib/Zend/lib/Optimizer-2.5.7/php-5.2.x/ZendOptimizer.so: /usr/local/lxlabs/ext/lib/Zend/lib/Optimizer-2.5.7/php-5.2.x/ZendOptimizer.so: cannot restore segment prot after reloc: Permission denied
Zend
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Solution:
If you are receiving this error while installing HyperVM, then you need to disable selinux. This can be done by changing it to disabled in /etc/selinux
Tags: hypervm, linux, system administrationRelated posts
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Filed under: Uncategorized by — aaron @ 1:53 am
How to remove application/program Gentoo (emerge/unmerge)
To uninstall a package on Gentoo:
#emerge –unmerge <application>
Tags: gentoo, linux, system administrationRelated posts
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Filed under: Uncategorized by — aaron @ 10:17 pm
Ubuntu: Disabling Service on Startup
A quick way to disable a service so it does not start while your Ubuntu machine is booting is:
# update-rc.d -f <service name to remove>
Tags: linux, system administration, ubuntuRelated posts
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Filed under: Uncategorized by — aaron @ 6:10 am
How to enable root login in Ubuntu 7/8
If you are having trouble looking into root on Ubuntu 7 or 8, here is a quick way to enable root access:
# sudo passwd root
# sudo passwd -u root
Disable Root Login:
# sudo passwd -l root
Tags: linux, system administration, ubuntuRelated posts
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Filed under: Uncategorized by — aaron @ 12:05 am
Where did netconfig go? (CentOS/RHEL)
I recently noticed that netconfig had recently disappeared from CentOS 5/RHEL 5 so did a bit of research and found that netconfig has been replaced by system-config-network.
Tags: linux, networking, system administrationRelated posts
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Filed under: Uncategorized by — aaron @ 7:40 pm
What is the pcscd?
Q: What is the pcscd used for on Linux?
A: The pcscd is used for manage connections to smart card readers. You can disable this service unless you are using a smart card reader on your computer or server.
Tags: linux, security, system administrationRelated posts
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Filed under: Uncategorized by — aaron @ 1:35 am
What is hidd?
Q: What is the hidd service on Linux used for?
A: hidd is the bluetooth H.I.D. server. This is only required if you are using bluetooth on your computer or server.
Tags: linux, security, system administrationRelated posts
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Filed under: Uncategorized by — aaron @ 1:31 am
What is avahi-daemon?
Q: What is the avahi-daemon service on Linux?
A: avahi-daemon is a service which enables service discovery on a local network. If you are running a server, this service is not required.
Tags: linux, security, system administrationRelated posts
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Filed under: Uncategorized by — aaron @ 1:30 am
What is bluetooth?
Q: What is the bluetooth service used for in Linux?
A: Used for all bluetooth services. This is only required if you use bluetooth on your computer/server.
Tags: linux, security, system administrationRelated posts
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Filed under: Uncategorized by — aaron @ 1:27 am
What is nfslock?
Q: What is the service nfslock used for in Linux?
A: Used for NFS file locking - this is only required if you are connecting to an NFS server.
Tags: linux, security, system administrationRelated posts
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Filed under: Uncategorized by — aaron @ 1:26 am