Resetting the ESX host firewall policy in ESX 4.x
Resetting the ESX host firewall policy in ESX 4.x
You cannot stop the firewall service in ESX 4.x. If you try, you see the
message:
Firewall can’t be stopped. To disable the firewall run:
esxcfg-firewall –allowIncoming –allowOutgoing
You can allow all packets through the firewall by running the command:
$ esxcfg-firewall --allowIncoming --allowOutgoingTo return the firewall configuration to its previous setting, run the
command:
$ esxcfg-firewall --blockIncoming --blockOutgoingcreate backup of entire filesystem with tar and bzip compression
# tar -cjvpf backup.tar.bz2 --exclude=backup.tar.bz2 --exclude=proc --exclude=sys --exclude=dev .dd using netcat to /dev/sdx / or from/to image file
destination:
# nc -l 19000 | bzip2 -d | dd bs=16M of=/dev/sdasource:
# dd bs=16M if=/dev/sda | bzip2 -c | nc serverB.example.net 19000Reference:
http://www.ndchost.com/wiki/server-administration/netcat-over-ssh
OR
dd from source partition to destination image file
destination:
#nc -l 19000 | bzip2 -d | dd bs=16M of=/path/imagefile.ddsource:
# dd bs=16M if=/dev/sda | bzip2 -c | nc source.server.com 19000dd from source image file to destination partition
destination:
#nc -l 19000|bzip2 -d | dd bs=16M of=/dev/sdasource:
# dd bs=16M if=/path/imagefile.dd|bzip2 -c | nc source.server.com 19000Reset iptables firewall
# /sbin/iptables -F
# /sbin/iptables -X
# /sbin/iptables -t nat -F
# /sbin/iptables -t nat -X
# /sbin/iptables -t mangle -F
# /sbin/iptables -t mangle -X
# /sbin/iptables -P INPUT ACCEPT
# /sbin/iptables -P FORWARD ACCEPT
# /sbin/iptables -P OUTPUT ACCEPTOnline Anti-Virus Websites and Tools
http://vscan.novirusthanks.org
http://www.metascan-online.com
http://www.garyshood.com/virus
http://www.threatexpert.com/filescan.aspx
http://www.clamwin.com/content/view/89/85
Free service that analyzes and facilitates the quick detection of viruses, worms, trojans, and all kinds of malware.
http://ScanURLs.com
Real-time website malware scanner.
http://URLVoid.com
Analyze domains and subdomains with multiple blacklists and web reputation services.
http://IPVoid.com
Analyze IP addresses with multiple blacklists and IP reputation services.
http://Vscan.NoVirusThanks.org
Scan files and URLs with multiple Antivirus software.
http://HTMLSniffer.com
View the entire HTML source code without visiting the URL.
http://JSGrab.com
Capture all JS and VBScript scripts from a web page.
http://ThreatLog.com
Database of malicious URLs logged by honeypots.
http://URLVir.com
Automatically monitor changes of malicious URLs.
Free Anti-Virus Online Scanner for Workstations
http://www.bitdefender.com/scanner/online/free.html
http://housecall.trendmicro.com
http://www.pandasecurity.com/activescan/index
http://www.f-secure.com/en/web/labs_global/removal-tools/-/carousel/view/143
http://www.pandasecurity.com/homeusers/solutions/activescan
http://www.eset.com/us/online-scanner
http://www.emsisoft.com/en/software/ax/
http://personalfirewall.comodo.com/scan/avscanner.html
http://security.symantec.com/sscv6/WelcomePage.asp
Free Malware Scanner
XML resources
http://htmledit.squarefree.com
http://www.w3schools.com/xml/default.asp
C# resources
http://www.csharp-station.com/Tutorial.aspx
http://www.csharpkey.com/csharp
http://en.csharp-online.net/CSharp/Certification%2C/Development%2C/and/Training http://en.csharp-online.net/CSharp_Certification%2C_Development%2C_and_Training
http://www.innovation.ch/java/java_compile.html
http://www.comeaucomputing.com/tryitout
Object-oriented programming resources
http://download.oracle.com/javase/tutorial/java/concepts
http://www.freecomputertutor.net/object-oriented-programming-concepts.php
http://www.codeproject.com/KB/architecture/OOP/Concepts/and_manymore.aspx http://www.codeproject.com/KB/architecture/OOP_Concepts_and_manymore.aspx
Recursive grep
$ grep -r "searchTerm" ./directoryhttp://blamcast.net/articles/recursive-grep-find-strings-files
Introduction to Programming Using Java, Sixth Edition Version 6.0, June 2011 http://math.hws.edu/javanotes/
Date formats with Linux
$ date +%B" "%d","" "%Y
May 02, 2012
$ date +"%m-%d-%y"
05-02-12