SambaSivaRaoGorantla
E-Mail:adm1uf@r.postjobfree.com
MobileNo:+91-832*******
ProfileSummary:
Overallexperienceofaround2.4YearsofITasaLinuxsystemadminbysupportingthe serversandoneyearasAzureadmin.
Workonrotationalshiftstoprovidethesupporton24/7basis. WorkExperience:
WorkingasLinuxadmininSubexLimited from2019Jan.
.
TechnicalSkills
PerformingLevelL1AndlevelL2supportinLinuxsystemadministratorteamoverthe LinuxPlatform.
Instaling,ConfiguringandAdministeringonLinuxServers.
TroubleshootingUser'slogin&homedirectoryrelatedissues.
Addanddeletethenupdatinguseraccountinformation,passwordresets,etc.
Linuxusermanagementcreating,changinggroup,andassignpermissiononresources.
ControlingaccesstofilesbyusingtheSTICKYBIT,SUID,SGID.
Createafilesystem,givingpermissiontousergroupthoughACL.
Creatingusers,groupsandprovidingSUDOPrivileges.
CreatingandManagingFileSystems,andBuilding&MaintainingStorageVolumesusing LogicalVolumeManager(LVM).Multipathing.
SWAPpartitionscreationaspertheapplicationteamrequest.
InstalationofpatchesandpackagesusingRPMandYUM.
AutomatingprocessusingCRON&AT.
Configuringhardlinkandsoftlinkforthefilesanddirectories
PerformancemonitoringutilitieslikeIOSTAT,VMSTAT,SARandTOP.
SettingupSAMBAservers,toenablewindowsclientstocommunicatewithLinuxwithout theneedof additionalsoftwareonthewindowsside.
CreatingFilesystemandconfiguretoavailablenetworkthroughNFS.
InstalingandConfigurationofDNS,FTPandDHCP.
InstalationandConfigurationofApachewebserver,Nginx.
HaveagoodexperienceonITILenvironmentinmanagingandmaintainingtheSLAs. AZURETechnical:
1DeployingazureVMbasedontheSDS,Managing200plusvmsinazure 2increasinganddecreasingtheresourceslikeRAMandCPUasperrequirement 3Addingextraspaceto/asperrequirement.
AzureventcreationandNSGgroup
4HardeningoftheVM,takingthesnapshotsandattachingtheresourcesdetachingthe resourcesasperneed.
AWS:
1DeployingthevmandcreatingthevpcsnapshotsprovidingtheIAMaccesstousers. 2creatingsecuritygroups.
3increasingthedisksMonitoringtheresourceslikeCPUandmemorydiskutilization. 4ProvidingIAMaccesstotheusers,creatings3bucketandprovidings3accessaccording userrequest.
6providingthecosttotheuserasperuserrequest
7resinizingthevolumesandaddingextravolumesasdatadisk. ZABBIXTOOL:
1monitoringalazureVMaswelasproductionserversforcapturingdata. 2InstalandconfigureZabbixagentsandconfiguringtemplates. 3creatinggroupsgivingpermissiontousers.
4attachingtemplatesandconfiguremediaforalerts.
5monitoringhighandaveragealertsforproductionservers 6addinghoststoZabbixportaltherecreatinggroupsandaddingthosehostsunderthisgroups EXlinuxprod,windowsprod.
7monitoringhardwareofproductionservers
8monitoringnetworkdevicesbyusingSNMPtrap.
TechnicalProfile:
Platforms : RHEL6,7,CENTOS,UBUNTU,SUSE,SHELLSCRIPTINING,BASH SCRIPTTING.WINDOWS7,WINDOWS10
AWS : EC2,EBS,S3,AMI,SECURITYGROUP,IAM.ELB,VPC
AdminTools : VMSTAT,IOSTAT,TOP,SAR.PRSTAT.
Servers : DNS,SAMBA,DHCP,NFS,AUTOFS,FTP.LDAP
Montoringtool: ZABBIX,NETCOOL
Sourcecontrol : SVN,GIT
TicketingTool: SERVICEDESK,TrackIt
Networkig : TCP/IP,UDP,LAN,WAN,VLAN,FORTIGATE60EFIREWALL
Automation : Ansible.
ProfessionalExperience:
Client :(CCAD,INTERNALSUPPORT,STC) .
Designation :LinuxSystemEngineer
CurrentRole:LinuxSystemEngineer
RolesandResponsibilities:
Systemmonitoring,jobscheduling.
HPserverssupportconfiguringILOandIDRCandcheckingthehardwarelevelhealth’s.
AttachingdiskanddetachingdisksthroughphysicalserversBasedonRequirement.
Venerabilitytestingforproductionservers.
Filesystemcleanup.
CreatingNfs,Cifs,Ext4filesystemonredaht
PatchingManagment.YUM,RPM
SupportingbothVirtual&physical.
ApplicationSupport
MonitoringCPUusage,MemoryandSwapspaceutilization.
HowtotroubleshootCPUutilizationisful.
TroubleshootingUser'slogin&homedirectoryrelatedissues.i.e. Adding/Modifying/DeletingtheUseraccounts.
MonitoringandtroubleshootingLinuxServers.
Bashscripting.
Verifyingtheapplicationslogsandworkingwithdifferentteamstoresolveissues.
TroubleshootingLinuxissuesrelatedtodiskspace,Filesystemcorruption.
Monitoring,troubleshootingtheperformancerelatedeventslikediskspace,loadaverage, freememory,CPU,processetc.
WorkedonpackagemanagementviaRPM,Yum.
EDUCATIONQULIFICATIONS
B.ScfromAndhraUniversityin2019.
DECLARATION
Iherebydeclarethatalstatementsintheapplicationaretrue,completeandcorrecttothebestofmy knowledgeandbelief.