Posted on Fri 04 September 2015 in Linux • Tagged with ovs, linux, notepad, openflow, openvswitch • 2 min read
ovs-ofctl del-flow BRIDGE
ovs-ofctl add-flow BRIDGE priority=500,in_port=1,actions=output:2
ovs-ofctl add-flow BRIDGE priority=500,in_port=2,actions=output:1
ovs-ofctl dump-flows BRIDGE
ovs-ofctl del-flow BRIDGE
ovs-ofctl add-flow BRIDGE dl_src=00:00:00:00:00:01,dl_dst=00:00:00:00:00:02 …Posted on Tue 11 August 2015 in Linux • Tagged with Gentoo, linux, notepad, initrd • 1 min read
Preparations
mkdir -p /usr/src/initramfs/{bin,lib/modules,dev,etc,mnt/root,proc,root,sbin,sys}
cp -a /dev/{null,console,tty,sda*} /usr/src/initramfs/dev/
busybox
USE="static make-symlinks -pam -savedconfig" emerge --root=/usr/src/initramfs/ -av busybox
LVM
LVM provides already a static binary :)
cp /sbin …Posted on Fri 06 March 2015 in Linux • Tagged with ldap, Linux, notepad • 1 min read
A more or less initial configuration for openldap (>2.4)
##
# to import run:
# ldapmodify -Y EXTERNAL -H ldapi:/// -f $filename
#
# to verfiy run:
# ldapsearch -Y EXTERNAL -H ldapi:/// -b "olcDatabase={1}hdb,cn=config"
#
# to create a password:
# slappasswd -h {SSHA} -s admin
##
dn: olcDatabase={1}hdb,cn=config
changetype …Posted on Wed 11 February 2015 in Linux • Tagged with fritzbox, upnp, notepad, linux • 1 min read
curl "http://fritz.box:49000/igdupnp/control/WANCommonIFC1" -H "Content-Type: text/xml; charset="utf-8"" -H "SoapAction:urn:schemas-upnp-org:service:WANCommonInterfaceConfig:1#GetAddonInfos" sion='1.0' encoding='utf-8'?> <s:Envelope s:encodingStyle='http://schemas.xmlsoap.org/soap/encoding/' xmlns:s='http://schemas.xmlsoap.org/soap/envelope/'> <s:Body> <u:GetAddonInfos xmlns …Posted on Mon 05 January 2015 in Linux • Tagged with jboss, linux, notepad • 1 min read
During a consulting project i had some trouble with the following environment
Loadbalancer >> Apache >> Tomcat / JBoss
Each request ended in a 400 Bad Request but the configuration looks good and works fine with other projects.
In the end we made some configuration modifications to the apache and tomcat.
Posted on Thu 19 June 2014 in Linux • Tagged with windows, hex, msdm, linux, notepad • 1 min read
[root@localhost ~]# hexdump -C /sys/firmware/acpi/tables/MSDM
00000000 4d 53 44 4d 55 00 00 00 03 d3 4c 45 4e 4f 56 4f |MSDMU.....LENOVO|
00000010 54 50 2d 47 32 20 20 20 70 25 00 00 50 54 4c 20 |TP-G2 p%..PTL |
00000020 02 …Posted on Mon 16 June 2014 in Linux • Tagged with git, HowTo, Linux, github, notepad • 1 min read
git remove -v
# git remote add
git remote add upstream https://github.com/foo/bar.git
git remove -v
# git fetch
git fetch upstream
git checkout master
# git merge /
git merge upstream/master
Posted on Tue 28 January 2014 in Linux • Tagged with soap, linux, notepad • 1 min read
curl -H "Content-Type: text/xml; charset=utf-8" -H "SOAPAction:" -d @data.txt -w "%{http_code}\n" -s -o /dev/null -X POST
Posted on Tue 20 August 2013 in Linux • Tagged with KVM, Linux, VMware, Notepad • 1 min read
The default i/o scheduler is the Completely Fair Queuing (cfq) in the 2.6 kernel. This is not the first choice for a virtual machine/hypervisor. The combination of the noop and the deadline scheduler is much better for a virtualization host.
virtual machine: noop
hypervisor: deadline
Set the …
Posted on Tue 13 August 2013 in Linux • Tagged with kvm, libvirt, notepad, xen, vms • 1 min read
vmbuilder kvm ubuntu -a amd64 --suite=precise --cpu=2 --libvirt qemu:///system \
--mem=2048 --user=root --pass=random --hostname=testsystem --dest=/tmp/test \
--raw=/dev/vgdata1/test_root --rootsize=16384 --swapsize=2048 --addpkg=openssh-server \
--bridge=virbr0 --ip=192.168.122.110 --mask=255.255.255.0 --gw=192.168.122.1 …