DevOPS

DevOPS: Docker CFEngine, Puppet, Chef, Ansible, Salt, Vagrant OpenStack OpenShift CoreOS AWS # interesting? Mesos + Marathon _Mesos-Docker flynn.io

macosx: create Windows readable partition on your usb

diskutil partitionDisk /dev/disk6 MBRFormat "MS-DOS FAT32" "partition_name" 100%

macosx: burn ISO to USB stick

# first, unmount your USB stick
diskutil umount /Volumes/my_usb_stick/

# convert .iso to .dmg (writing .iso to USB stick does not seem to be creating bootable USB)
hdiutil convert -format UDRW -o ubuntu_12.04_PRE_precise-desktop-amd64.dmg /Volumes/storage/Software/Distros/ubuntu_12.04_PRE_precise-desktop-amd64.iso

# write new image to USB
root# dd if=ubuntu_12.04_PRE_precise-desktop-amd64.dmg of=/dev/disk1
1434200+0 records in
1434200+0 records out
734310400 bytes transferred in 3514.831504 secs (208918 bytes/sec)

linux: sar missing data files

By default, sar will be keeping logs only for ten days so you either back them up or extend the period that sar uses to log rotate.

Files you want to be looking at are two scripts (they are most likely already in your crontab):

/usr/lib64/sa/sa1
/usr/lib64/sa/sa2

linux: error: "x x x" specifies multiple packages

[root@foo ~]# rpm -e mysql-5.0.77-4.el5_6.6
error: "mysql-5.0.77-4.el5_6.6" specifies multiple packages

[root@foo ~]# rpm -qa|grep mysql
mysql-5.0.77-4.el5_6.6
freeradius2-mysql-2.1.7-7.el5
mysql-devel-5.0.77-4.el5_6.6
mysql-devel-5.0.77-4.el5_6.6

[root@foo ~]# rpm -qa --queryformat "%{name}.%{arch}\n"|grep mysql
mysql.i386
freeradius2-mysql.x86_64
mysql-devel.x86_64
mysql-devel.i386
mysql.x86_64

[root@foo ~]# rpm -e mysql-devel.i386

[root@foo ~]# rpm -e mysql.i386

[root@foo ~]# rpm -qa --queryformat "%{name}.%{arch}\n"|grep mysql
freeradius2-mysql.x86_64
mysql-devel.x86_64
mysql.x86_64