It is possible to recover the file using the “fsdb” command (filesystem debugger). when, No new files have been created on the filesystem. No files have been extended. The filesystem is able to be unmounted. Warning: I have test this in my test server. This is undocumented one. You may facing the critical problem when …
{ “Version”: “2012-10-17”, “Statement”: [ { “Action”: [ “rds:Describe*”, “rds:ListTagsForResource”, “rds:Download*”, “ec2:DescribeAccountAttributes”, “ec2:DescribeAvailabilityZones”, “ec2:DescribeSecurityGroups”, “ec2:DescribeVpcs” ], “Effect”: “Allow”, “Resource”: “*” }, { “Action”: [ “cloudwatch:GetMetricStatistics”, “logs:DescribeLogStreams”, “logs:GetLogEvents” ], “Effect”: “Allow”, “Resource”: “*” } ] }
There is an easy way to access to Instance information from within. This is very useful when writing scripts who are executed inside the Instance. The method is accessing the Instance Metadata using a HTTP GET call to the IP 169.254.169.254. It works on any EC2 instance and the IP address is always the same. …
You must know that sar is a very effective tool to collect system activity or performance information from your system. To collect all information: sar -o test.log -A 1 3 2>&1 >/dev/null This command will make a binary file from output, and you can display it with sadf command: sadf -t -d test.log — -A …
Download Scripts https://aws.amazon.com/code/8720044071969977 Install Prerequisite Packages sudo yum install wget unzip perl-core perl-DateTime perl-Sys-Syslog perl-CPAN perl-libwww-perl perl-Crypt-SMIME perl-Crypt-SSLeay Install LWP Perl Bundles Launch cpan sudo perl -MCPAN -e shell Install Bundle install Bundle::LWP6 LWP YAML Install Script wget http://aws-cloudwatch.s3.amazonaws.com/downloads/CloudWatchMonitoringScripts-1.2.1.zip unzip CloudWatchMonitoringScripts-1.2.1.zip -d /opt rm -f CloudWatchMonitoringScripts-1.2.1.zip Setup Credentials API Access Key (Option 1) This is …
Setup AWS Cloudwatch Memory and Drive Monitoring on RHEL Read More »
Latin Prefixes : SNo. Prefix Meaning Examples 1 A- not, without amoral, APATHY, ANOMALY 2 AB-, ABS- away from, off, apart abrupt, ABSCOND, ABSTRACT 3 AD-, AC-, AN-, AS- toward, against advent, accurate, ANNOTATE, assent 4 AMBI-, AMB- around, about, on both sides AMBIGUOUS, AMBIVALENT 5 ANTE- before, in front of, early antecede, antedate, antebellum …
Today we have got project to prepare RHEL VHD’s for Azure. I did not find any doc for RHEL on azure. So i think to write steps i followed for RHEL on azure … Prerequisites CentOS Installation Notes The newer VHDX format is not supported in Azure. You can convert the disk to VHD format …
Fedora/CentOs/RedHat [root@rac1 ~]$ yum install zerofree updates/metalink | 12 kB 00:00 updates | 4.5 kB 00:00 updates/primary_db | 4.3 MB 00:21 Setting up Install Process Resolving Dependencies Running transaction check Package zerofree.i686 0:1.0.1-8.fc15 will be installed Finished Dependency Resolution Dependencies Resolved ================================================================================ Package Arch Version Repository Size ================================================================================ Installing: zerofree i686 1.0.1-8.fc15 fedora 20 k …
Verify that a specific IP address is available Before you specify a static IP address from your address pool, you may want to verify that the IP address has not been already assigned. In the example below, we’re checking to see whether the IP address 10.1.61.140 is available in the TestVNet virtual network. Test-AzureStaticVNetIP –VNetName …
Microsoft Azure Set a Static Internal IP Address for a VM Read More »
You can use add Linux route using any one of the following tool to add, display, delete Linux kernel routing table: (a) route command : show / manipulate the IP routing table on Linux. (b) ip command : show / manipulate routing, devices, policy routing and tunnels on Linux. Display your current routing table Open …