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/etc/init/failsafe.conf #ifdown eth0 #ifdown eth1 # Adding deb kamailio package address to source.list (1) edit kamdb (2) edit /etc/default/kamailio # If you want to use Mysql module of Kamailio $ kamdbctl create $kam ... user pass domain # Create user over terminal. |
Author: coder
apt-get update “Hash sum mismatch” error
Just remove the content of /var/lib/apt/lists directory:
sudo rm /var/lib/apt/lists/*
then run:
sudo apt-get update
Xen Installation Step 1
.
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wget http://au1.mirror.crc.id.au/repo/el6/x86_64/xen-4.2.5-9.el6.x86_64.rpm wget http://au1.mirror.crc.id.au/repo/el6/x86_64/xen-doc-4.2.5-9.el6.x86_64.rpm wget http://au1.mirror.crc.id.au/repo/el6/x86_64/xen-debuginfo-4.2.5-9.el6.x86_64.rpm wget http://au1.mirror.crc.id.au/repo/el6/x86_64/xen-devel-4.2.5-9.el6.x86_64.rpm wget http://au1.mirror.crc.id.au/repo/el6/x86_64/xen-hypervisor-4.2.5-9.el6.x86_64.rpm wget http://au1.mirror.crc.id.au/repo/el6/x86_64/xen-libs-4.2.5-9.el6.x86_64.rpm wget http://au1.mirror.crc.id.au/repo/el6/x86_64/xen-licenses-4.2.5-9.el6.x86_64.rpm wget http://au1.mirror.crc.id.au/repo/el6/x86_64/xen-ocaml-4.2.5-9.el6.x86_64.rpm wget http://au1.mirror.crc.id.au/repo/el6/x86_64/xen-ocaml-devel-4.2.5-9.el6.x86_64.rpm wget http://au1.mirror.crc.id.au/repo/el6/x86_64/xen-runtime-4.2.5-9.el6.x86_64.rpm wget http://au1.mirror.crc.id.au/repo/el6/x86_64/kernel-xen-3.14.33-1.el6xen.x86_64.rpm wget http://au1.mirror.crc.id.au/repo/el6/x86_64/kernel-xen-firmware-3.14.33-1.el6xen.x86_64.rpm |
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rpm -ivh --nodeps xen-4.2.5-9.el6.x86_64.rpm xen-doc-4.2.5-9.el6.x86_64.rpm xen-hypervisor-4.2.5-9.el6.x86_64.rpm xen-libs-4.2.5-9.el6.x86_64.rpm xen-licenses-4.2.5-9.el6.x86_64.rpm xen-runtime-4.2.5-9.el6.x86_64.rpm rpm -ivh --nodeps xen-debuginfo-4.2.5-9.el6.x86_64.rpm xen-devel-4.2.5-9.el6.x86_64.rpm xen-ocaml-4.2.5-9.el6.x86_64.rpm xen-ocaml-devel-4.2.5-9.el6.x86_64.rpm rpm -ivh --nodeps --force kernel-xen-3.14.33-1.el6xen.x86_64.rpm kernel-xen-firmware-3.14.33-1.el6xen.x86_64.rpm depmod: WARNING: could not open /lib/modules/3.14.33-1.el6xen.x86_64/modules.order: No such file or directory depmod: WARNING: could not open /lib/modules/3.14.33-1.el6xen.x86_64/modules.builtin: No such file or directory depmod: WARNING: could not open /var/tmp/initramfs.XexgLv/lib/modules/3.14.33-1.el6xen.x86_64/modules.order: No such file or directory depmod: WARNING: could not open /var/tmp/initramfs.XexgLv/lib/modules/3.14.33-1.el6xen.x86_64/modules.builtin: No such file or directory mv /usr/lib64/python2.6/site-packages/xen /usr/lib64/python2.7/site-packages mv /usr/lib64/python2.6/site-packages/xen-3.0-py2.6.egg-info /usr/lib64/python2.7/site-packages cd /usr/lib64 ln -s libpython2.7.so.1.0 libpython2.6.so.1.0 ln -s liblzma.so.5.0.99 liblzma.so.0 ln -s libgnutls.so.28.20.4 libgnutls.so.26 edit /etc/default/grub : GRUB_DEFAULT="CentOS Linux, with Xen hypervisor" grub2-mkconfig --output=/boot/grub2/grub.cfg chkconfig --level 2345 xend on systemctl stop NetworkManager systemctl disable NetworkManager Create a network initialization script (replacing eth0,a.b.c.d and e.f.g.h with your adapater,IP address and gateway address): ################################################# /etc/xen/scripts/xenbr0.sh #!/bin/bash brctl addbr xenbr0 ip addr flush eno1 ip addr add xx.210.xx.109/24 broadcast xx.xx.254.255 dev xenbr0 ifconfig xenbr0 up ip route add default via xx.xx.254.1 brctl addif xenbr0 eno1 ######################################################## yum install libvirt python-virtinst libvirt-daemon-xen ######################################################### vnc network giving error for the XEN network. 1. new virtual network created . 2. network interface came here than added (+) Bridge . em0 XENbridge clicked. |
Crontab Kill kernel thread and virus
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#now*/5 * * * * killall -9 kthread #now*/1 * * * * killall -9 kthreadd #now*/12 * * * * killall -9 named #now*/1 * * * * find /tmp/ -name 'pnscan' -exec rm {} \; #now*/3 * * * * killall -9 proftpd #now*/5 * * * * ufw delete deny 7778 && ufw deny 7778 #now* * * * * rm /lib/httpd /lib/httpd.pid /lib/httpds #*/13 * * * * killall -9 chronyd # http://fedoraproject.org/wiki/How_to_edit_iptables_rules # How to delete - rules at iptables |
Virtual network security configuration
Only local access VM network creating
ALL OF the interfaces, `ROUTED` not `NAT`
no internet only routed net.
NAT is unsecure network, because server can reachable from internet.
So the best one is the NOT _ NAT
Virtual machine disc conversion command line example
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# Disk Conversion root@s:/backups/# qemu-img convert -O raw vm-102-disk-1.qcow2 test.img |
Windows command line, BAT file Compile java
1- Very important.
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set PATH="C:\Program Files\Java\jdk1.5.0_14\bin";%PATH% set JAVA_HOME="C:\Program Files\Java\jdk1.5.0_14" set PATH=%JAVA_HOME%\bin;%PATH% |
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rem Display environment variables for verification echo Verify current build environment settings: echo CLASSPATH: %CLASSPATH% echo JAVA_HOME: %JAVA_HOME% echo ICS211_HOME: %ICS211_HOME% echo TEXTPAD_HOME: %TEXTPAD_HOME% echo . echo PATH: %PATH% echo . rem GoTo ICS211_HOME directory d: cd %ICS211_HOME% |
To create a similar batch file, you should verify the full paths to any directories that you want to
add to your system PATH variable. Then you can make any necessary changes to this
example code, and save it as a batch file on your system.
You can download a copy of my batch file using this URL:
kutay.bat
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// JAVA Compiler : Console> javac JavaFileName.java |
How to Run,
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Console> java JavaFileName |