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checking the status of your raid with LSISAS1068E or perc 6
lsiutil is the program you want, so you can check the status of your raid link: http://docs.avagotech.com/docs/12351668
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add iso partition to xenserver
link: https://adamscheller.com/systems-administration/xenserver-local-iso-storage-new-partition/ for posterity… figure out the name of the volume group (something like name-uuid) pvscan create the new volume lvcreate -L 150G -n ISOs name-uuid find the volume you just created lvscan |grep ISO create the filesystem mkfs.ext2 /dev/other-name-uuid/ISOs make the mount point mkdir /mnt/isos Read more
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how to change the ip address of your xenserver
This will let you pick a uuid xe pif-list this will let you change the ip of that uuid xe pif-reconfigure-ip uuid= mode=static IP=192.168.1.1 netmask=255.255.255.0
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using vm-snapshot to clone a domU
CAUTION: with the following the system is up so you risk file loss, data loss, etc. — use at your own risk. Ideally you would shutdown your domU and use vm-export rather than vm-snapshot. make a snapshot xe vm-snapshot vm=name new-name-label=name-foo this returns a uuid xe vm-export vm=UUID filename=|bzip2 > Read more
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para – virtualize to install from iso
http://www.xenlens.com/boot-a-guest-vm-from-cd-or-dvd-in-xenserver/ copied for posterity In order to boot from cd or dvd you need to change the guest virtualization type from HVM (fully virtualized) to PV (paravirtualized). xe vm-param-set HVM-boot-policy=”BIOS order” uuid=[uuid of your vm] After you have booted from dvd, change back to fully virtualized mode: xe vm-param-set HVM-boot-policy=”” Read more
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motorola Surfboard 6141 making noise
I just want to say despite many nay-sayers posting responses to this on other threads there is something in my SB 6141 that vibrates with uploads. (correlated by noise during speed test). These two links are have the identical report and then other people trying to argue that it’s not Read more
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animated gif from imagemagick
put the list of files into a file ls -1 foo*.jpg > /var/tmp/jpglist rename randomly named files in numerical order cat /var/tmp/jpglist|perl -e’$i=1;while ($name=) { chomp $name;$new=”week” . $i . “.jpg”;system (“cp $name $new”);;$i++};’ resize all 13 files named week[number].jpg, add the Week[number].jpg to the lower right hand corner of Read more
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citrix receiver linux breaks every couple years
and I spend a week looking for the answer – the basic searches lead to dead ends with old articles about server side stuff searches like citrix receiver COMODO RSA don’t help you find the “good stuff” the good stuff is #5 here: https://help.ubuntu.com/community/CitrixICAClientHowTo quoteing for posterity By default, Citrix Read more
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ssh authorized_keys not working
make sure SE linux is FSCKING turned off. vi /etc/sysconfig/selinux # centos – set last line to DISABLED setenforce 0
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wp-login.php
Defending this script has become my biggest nightmare in the last few months. Black listing mostly works for denial of service from poorly written bots. I blacklist amazon, web hosts, many foreign countries, without hesitation, not just one IP but their whole allocation. Fail2ban was able to block some portion Read more