Unix United Professionals

Unix Engineer - Santa Barbara, CA Great Full-time opportunity with growing company!!

melissa5618 — Wed, 18 Nov 2009 23:21:53 GMT

Unix Application Engineer Experienced level UNIX/Linux Application engineer. Assigned to design and support high-availability 24/7 production systems of high complexity and risk. BS degree or equivalent in computer science, electrical engineering, or related field is preferred with 4-6 years of directly related work experience. Demonstrated, experienced systems administration with Linux, Solaris, or other UNIX Operating systems required. Microsoft Windows Operating system administration ...

Unix Sys. Admin./Architect Positions in Atlanta area available immediately

gstephens — Thu, 11 Jun 2009 14:52:11 GMT

Here are the descriptions of what we are looking for. If you think you would be a fit please contact me. We also offer up to $1000 referral fee! gstephens@idr-inc.com 770-671-0040 ext. 121 2 Architects � I Unix Architect AIX/SUN � 1 Exchange 2007 2 Sun Solaris System Admins/Engineers with PM experience 1 HP-UX System Admin w/ PM experience 2 Unix Admins SUN, HP, AIX HPUX, SUN, AIX, SA (2) We are seeking a strong team player with senior technical skill level ...

Sr. UNIX Engineer - Boston, MA

kdasilva — Fri, 22 Aug 2008 15:10:45 GMT

This is a permanent, full-time role located just west of Boston. Please email kdasilva@footbridgestaffing.com for more information if you are interested. Thanks! Job Summary This role will be part of the UNIX engineering team and will have responsibilities for architecting and designing the UNIX and future Linux environments. This role includes the identification of new technology, developing UNIX and Linux strategies, developing multi-year plans, working w/ the application teams on ...

Device Driver Developer (Linux) In Austin

wildatheart — Tue, 12 Aug 2008 13:48:32 GMT

Job Title: Device Driver Developer (Linux) Description: Our Client is looking for a device driver developer in the Austin (TX) area. Previous experience writing device drivers for Linux and/or FPGAs required. Our Client, creates ultra high-speed network & security test products. The ideal candidate will have the following background and skills: - Experience with device driver development - Broad knowledge of Linux and GNU/Linux tools (gcc, make, autoconf, etc.) - Strong ...

7 OPENINGS FOR UNIX ADMINISTRATORS W/SECRET OR INTERIM CLEARANCES - FT WORTH TX

ghunter — Thu, 17 Jul 2008 16:06:06 GMT

Location: Fort Worth, TX 76107 Duration: 3 mo+ contract w/potential extensions Rate: Pay $ Up to 75/hr Work Schedule: 9/80 work week � Allows every other Friday off Job Title: Unix System Administrator -- 7 Openings!! CANDIDATES SUBMITED MUST BE US CITIZENS CANDIDATES SUBMITED MUST HAVE CURRENT INTERIM OR SECRET CLEARANCE. Strong SUN/Solaris experience and other UNIX variants (HP, AIX, Linux) , UNIX scripting proficiency, System security compliance, Clustering/LPAR ...

xntpd daemon crashes and fails to start

suran — Wed, 16 Apr 2008 10:13:24 GMT

Sometime in your career, you may have come across a situation where the xntpd daemon cannot start up. The following error is seen in the /var/adm/messages file: mlockall(): Resource temporarily unavailable No more memory! This problem is due to the fact that the system is short on available physical memory. Xntpd is a time critical process and needs to be able to access memory that hasn't been paged out. This is done by locking the memory using the mlockall() call, which causes ...

Accessing Single User mode box using SSH

spanner — Tue, 15 Apr 2008 23:03:48 GMT

route add default `head -1 /etc/defaultrouter` Restart ssh /etc/init.d/openssh start or whatever ssh software is running. Does this work? Does it work with tectia? i.e I have not tested this yet so let me know if it works.....

Why 'RedHat Linux' and not just 'Linux' ?

tom — Fri, 04 Jul 2008 12:15:31 GMT

RedHat is only one of many distributions of Linux I've seen used commercially so perhaps a rename of the forum is appropriate?

(Closely related distros are grouped together in poll)

Removing ODM information of a logical Volume

Raghavan.navarathna — Tue, 10 Jun 2008 08:54:59 GMT

Removing ODM information of a logical volume Sometimes situations occur where a logical volume is deleted, but the ODM is not up to date. E.g. when lsvg doesn't show you the logical volume, but the lslv command can still show information about the logical volume. To resolve this issue, first try: synclvodm -v [volume group name]. If this doesn't work, try this: (in the example below logical volume hd7 is used) Save the ODM information of the logical volume: odmget -q name=hd7 ...

2x LINUX/SOLARIS 1st Line Support - Leading Hedge Fund (up to �60k) Perm

Gurdev Landa — Thu, 24 Apr 2008 07:50:03 GMT

Server NOC Engineers x2 required by leading Hedge Fund, The Network Operations Center (NOC) provides 24x7 monitoring and 1st level support for the firm�s computing infrastructure. Daily Responsibilities include Monitoring the infrastructure systems for problems (including servers, networking, storage, site and job scheduling, Troubleshooting issues as they arise as well as escalation to 2nd/3rd level support personnel as needed. Skills required LINUX, UNIX and WINDOWS also scripting in bsh or ...

storage migration

Nicki — Sat, 12 Apr 2008 19:13:10 GMT

Hi, I am pretty new in the Vxfs and VCS stuff as its usually not used on AIX - but I have to upgrade the powerpath software and migrate the whole storage to another symmetrix next week. I already tried the powerpath upgrade a couple of weeks ago but somehow it failed and corrupted my RAC cluster - shared disks had no longer been shared and one of the nodes did not come up at all, and the storage was not really accessible - we could not even write into new created and mounted filesystems. Does ...

Removing Solaris from VxVM Control

suran — Tue, 22 Apr 2008 14:55:31 GMT

1) Boot into single user from cdrom --> (at ok prompt) boot cdrom -s 2) fsck rootdisk --> fsck -y /dev/rdsk/c0t0d0s0 3) mount the root file system--> /dev/dsk/c0t0d0s0 /a 4) backup /a/etc/system --> cp /a/etc/system /a/etc/system.orig 5) remove the following lines or comment them in the system file: rootdev:/pseudo/vxio@0:0 & set vxio:vol_rootdev_is_volume=1 6) restore the pre-vxvm vfstab file ...

SUN BigAdmin wiki site.

spanner — Thu, 17 Apr 2008 08:15:44 GMT

http://wikis.sun.com/display/BigAdmin/Home

2 X PERM JOBS AT LARGE FINANCIAL!!!

Gurdev Landa — Wed, 16 Apr 2008 16:54:14 GMT

Leading Financial client is currently looking to hire 2 PERM candidates. Essential skills req'd: VCS / Veritas 3.2 and above, Linux (Suse or Redhat), Solaris 8 & 10, At least 4 years investment banking, Experience in a project role (not just support). Desirable as follows: Shell Scripting / Perl, Project Management, Performance Tuning, High End experience (F15k). Working in the Project delivery team, the candidate will be responsible for the delivery of Solaris and Linux projects to the business. ...

Merrill Lynch - Solaris / Redhat Sys Admin - Singapore ???

spanner — Wed, 16 Apr 2008 16:06:01 GMT

http://ml.myvurv.com/MAIN/careerportal/Job_Profile.cfm?szOrderID=1978&szReturnToSearch=1&szWordsToHighlight=unix Date Posted 10/04/2008 Market Title Unix System Administrator Vacancy Number 1978 Full Or Part Time Full-time Vacancy Type Permanent Primary Location Singapore MLGS Percent Travel Job Description Role Description: The Level 2 UNIX Systems Administrator provides end to end infrastructure services and support for the firm�s application development, ...

Shell CMDS

suran — Wed, 16 Apr 2008 10:42:26 GMT

Very useful link to a BigAdmin page on SUN:

http://www.sun.com/bigadmin/shellme/

EMC SRDF /Data Mobility

suran — Wed, 16 Apr 2008 10:24:26 GMT

Very insightful pdf can be found at this link:

http://www.emc.com/collateral/software/data-sheet/1523-emc-srdf.pdf

AIX Error logging

Nicki — Wed, 16 Apr 2008 08:27:46 GMT

To display a complete summary report, enter: errpt To display a complete detailed report, enter: errpt -a To display a detailed report of all errors logged for the error identifier E19E094F, enter: errpt -a -j E19E094F To list error-record templates for which logging is turned off for any error-log entries, enter: errpt -t -F log=0 To view all entries from the alternate error-log file /var/adm/ras/errlog.alternate, enter: errpt -i /var/adm/ras/errlog.alternate To ...

AIX and p5 Redbooks

Nicki — Wed, 16 Apr 2008 06:56:38 GMT

For the current 2 main certifications you should have a look into: IBM Certification Study Guide eServer p5 and pSeries Administration and Support for AIX 5L Version 5.3 http://www.redbooks.ibm.com/redbooks/pdfs/sg247199.pdf IBM eServer Certification Study Guide eServer p5 and pSeries Enterprise Technical Support AIX 5L V5.3 http://www.redbooks.ibm.com/redbooks/pdfs/sg247197.pdf But just to get more used to AIX and learn about these might be more useful in the beginning: IBM ...

Hello, I'm new here...

mizoo — Tue, 15 Apr 2008 10:41:53 GMT

Hello everyone! ;-)
Most of you don't know me by this nickname- I'm one of AIX BAU SAs in Warsaw... just wanted to wave and shout hello. ;]

... so I hope all the new people will greet in here.

LPAR cribsheet

Nicki — Tue, 15 Apr 2008 08:16:06 GMT

show managed frames attached to a hmc � show lssyscfg -r sys -F name:type_model:serial_num show managed lpars attached to a frame � show lssyscfg -m -r lpar -F name show profiles from a specific lpar � show lssyscfg -r prof -m --filter "lpar_names=" shutdown lpar chsysstate -m -r lpar -n -o shutdown �immed To perform a partition shutdown using ...

How to install rpm's on Redhat with automatic dependency resolving

spanner — Tue, 15 Apr 2008 22:42:57 GMT

If you install the rpmdb-redhat rpm package before installing manually any additional packages from the Redhat distribution that have lots of dependencies, you can use the --aid option of the rpm command to resolve dependencies automatically, see this example: # rpm -ivh rpmdb-redhat-4-0.20060803.i386.rpm warning: rpmdb-redhat-4-0.20060803.i386.rpm: V3 DSA signature: NOKEY, key ID db42a60e Preparing... ########################################### [100%] 1:rpmdb-redhat ...

fdisk - create a new partition and filesystem on local disk

spanner — Tue, 15 Apr 2008 22:27:12 GMT

E.G Create local partition/file system 5GB called /tools Current Status # fdisk -l Disk /dev/cciss/c0d0: 73.3 GB, 73372631040 bytes 255 heads, 63 sectors/track, 8920 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/cciss/c0d0p1 * 1 12 96358+ 83 Linux ==> boot /dev/cciss/c0d0p2 13 2101 16779892+ 83 Linux ...

How to set up a service group in VCS

spanner — Tue, 15 Apr 2008 22:18:05 GMT

Example SG creation (using Application/IP/NIC Agent): haconf -makerw hagrp -add hagrp -modify SystemList 0 1 hagrp -modify AutoStartList hares -add Application hares -display hares -modify StartProgram "/path/application &" hares -modify StopProgram "/usr/bin/pkill " hares ...

Setting up bonded interfaces in Red Hat - to team bond0 interface with 2 other interfaces

spanner — Tue, 15 Apr 2008 22:07:54 GMT

# vi /etc/sysconfig/network-scripts/ifcfg-bond0 DEVICE=bond0 BOOTPROTO=none ONBOOT=yes USERCTL=no NETMASK=255.255.255.128 IPADDR=169.243.175.14 # vi /etc/sysconfig/network-scripts/ifcfg-eth2 DEVICE=eth2 USERCTL=no ONBOOT=yes MASTER=bond0 SLAVE=yes # vi /etc/sysconfig/network-scripts/ifcfg-eth4 DEVICE=eth4 USERCTL=no ONBOOT=yes MASTER=bond0 SLAVE=yes Add the following entries to the following file: /etc/modprobe.conf alias bond0 ...

What is UFS fragmentation and how can it be determined?

suran — Fri, 11 Apr 2008 19:59:45 GMT

This article explains what UFS fragmentation is, how to identify a file system that is fragmented. What is UFS fragmentation? There are two file allocation units defined in UFS they are: Block size also known as logical block size and a fragment. On sun4u architecture the UFS block size is 8KB and the default fragment size is 1KB. A fragment can be defined as the smallest addressable part of a UFS. When a file greater than 8KB is created, UFS allocates 8KB blocks each and an remaining ...

how to install relocatable packages on AIX

Nicki — Tue, 15 Apr 2008 08:14:19 GMT

1. create Volumegroup, filesystem and directory 2. create relocation path (the path that should be used instead of the ./) This can be any valid path that is not "/" and has a size no greater than 512 characters mkusil -R 3. check if location is properly created lsusil -R ALL 4. copy packages to be installed into any folder on the box and perform inutoc_r 5. install required packages using installp_r -R installp_r -R ...

Backing up HMC Data

Nicki — Tue, 15 Apr 2008 08:10:32 GMT

Backing up critical HMC data - Using the Command Line Interface Use the command : bkconsdata -r dvd Backing up partition profile data - Using the Command Line Interface Use the command:- bkprofdata -m -f dvd where is the machine type and serial number of the managed system. Backing up critical HMC data - Using the GUI (WebSM) Interface Describes how to back up important console information to DVD, a remote system mounted ...

Replacing a rootdisk if vxdiskadm fails

suran — Mon, 14 Apr 2008 22:43:57 GMT

In the event that vxdskadm fails to properly initialize a rootdisk for replacement, it is required that you remove the disk and all its associations from the diskgroup and then rebuild from scratch. Here are the steps to achieve this: # vxdg -g rootdg -k rmdisk rootdisk # vxprint -htg rootdg - remove the plexes associated with the original disk i.e ones marked disabled, nodevice # vxplex dis (all plexes associated with rootdisk) # vxedit -r rm (all ...

How to backup and recover a VxVM configuration for a diskgroup

suran — Mon, 14 Apr 2008 22:30:20 GMT

http://seer.support.veritas.com/docs/180321.htm

Dynamic Reconfiguration For High End Servers

suran — Mon, 14 Apr 2008 22:19:20 GMT

Two part SUN blueprint that covers dynamic reconfiguration on SunFire 12k/15k:

http://www.sun.com/blueprints/0304/817-5949.pdf
http://www.sun.com/blueprints/0304/817-5951.pdf

SAN Tutorial

suran — Mon, 14 Apr 2008 22:03:18 GMT

A nice little primer on SAN

http://www.dothill.com/assets/flash/tutorial.swf

Implementing Solaris Zones with VCS

suran — Mon, 14 Apr 2008 05:58:20 GMT

http://eval.symantec.com/mktginfo/enterprise/white_papers/ent-whitepaper_implementing_solaris_zones_06-2007.en-us.pdf

you can either right click save as.. or open up in the browser.

Veritas Volume Manager - Volume Manager FAQ Classic Commands & Other Useful Links

suran — Sun, 13 Apr 2008 16:59:26 GMT

http://wikis.sun.com/display/share/Veritas+Volume+Manager+-+Volume+Manager+FAQ+-+Classic+commands
http://www.unixway.com/vm/veritasvm/index.html
http://www.cuddletech.com/veritas/

Online Link To VERITAS PRODUCT GUIDES / Man Pages (in pdf and html)

spanner — Sat, 12 Apr 2008 23:46:21 GMT

http://sfdoccentral.symantec.com/

Online Link To VERITAS PRODUCT GUIDES / Man Pages (in pdf and html)

spanner — Sat, 12 Apr 2008 23:43:17 GMT

http://sfdoccentral.symantec.com/

2 open permanent positions for GCOT Unix SAs

Nicki — Sat, 12 Apr 2008 19:04:01 GMT

Hi there,

Citi Belfast has 2 open permanent position for Unix SAs in Belfast (Solaris/Linux/AIX)

Kind regards
Nicki

How do I start VCS when one node is down?

suran — Sat, 12 Apr 2008 12:25:08 GMT

� Normally, VCS has to seed all the nodes in your cluster before becoming fully operational. � VCS may actually startup, but none of the commands will work. � If one of your nodes is down, and you need to start VCS on the other nodes, then you must manually seed the other node(s). Run this command on each node that is up: /sbin/gabconfig �cx VCS should then be starting up. You may have to online some Service Groups manually: hagrp -online {Service ...

What are soft partitions and how do i create them?

suran — Fri, 11 Apr 2008 15:31:02 GMT

What is a soft partition? Soft partitions allow for a disk to be divided into many partitions that are controlled and maintained by the software used to create those said partitions, thereby removing the limitations of physical partitions (7 in Solaris). A soft partition is made up of one or more extents An extent is the part of the physical disk that makes up the soft partition. How do I create soft partitions? Now that you know what a soft partition is, let's look at how ...

Available for immediate start for contract positions

suran — Thu, 10 Apr 2008 22:17:27 GMT

Currently looking for UNIX contracting opportunities and am immediately available.
http://www.linkedin.com/in/surankularatna

Full Filesystems

Admin — Thu, 10 Apr 2008 19:20:47 GMT

Here is a little tip to find the largest files in a directory that are taking up space. For example /var/tmp (works with Solaris and Linux)

find /var/tmp -type f -xdev | xargs ls -sltr | sort -nr | head -20