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Showing posts with the label wget

Redis user permissions (ACL) and python connection

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 Recently, I was working on setting up a redis cluster along with separate users for readwrite and readonly. I setup the readonly user using the below privileges (ACLs):   user redisreadonly on >mySuperSecretPassword ~* resetchannels -@all +@read +ping +asking   Once this is setup, I wrote a simple program in python to connect to the redis cluster using the readonly credentials and print the number of keys.   #!/usr/bin/env python3 """ pip3 install redis """ from redis.cluster import RedisCluster, ClusterNode # ─────── Cluster connection ─────── startup_nodes = [ ClusterNode("redis_host_1", 6379), ClusterNode("redis_host_2", 6379), ClusterNode("redis_host_3", 6379) ] rc = RedisCluster(startup_nodes=startup_nodes,decode_responses=True,username='redisreadonly',password='mySuperSecretPassw...
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Automate MOS Patch Downloads using WGET

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Recently, I was searching for a way to completely automate the process of MOS patch downloads when I stumbled upon this blog post - a very well written blog explaining the intricacies of automating patch download from MOS using CURL. This set me thinking if it could be done using WGET command instead of CURL and I found out that it can, indeed, be done. Though the blog post that I have referenced offers a completely automated solution, it uses CURL command beacuse CURL comes installed, by default, with most of the Linux based Docker images, while wget doesn't. Most of the other blog posts that describe patch download using wget, rely on manual authentication with MOS or manually fetching the download URL from MOS. However, I present to you a completely automated way of My Oracle Support Patch Downloads using wget. NOTE: I have assumed the OS to be Linux x86-64 bit and accordingly, hard-coded the platform ID as 226P ( plat_lang=226P ). I plan to publish another blog post det...
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WGET shell Script for downloading patches

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What I have to offer this time is a script using which you can download patches using WGET from Meta.....oops, from My Oracle Support, I should say! This script needs (or accepts) the following parameters: 1. Me...oops...MOS Username 2. MOS (I got it right this time!) password 3. Patch file name 4. ARU Number You can get 3 and 4 in the following way: Using MOS: Query for the particular patch, click on the download link, click on WGET Options on the left side bottom corner and then copy the WGET script to clipboard. That script will have both the patch name and the ARU number. Using HTML (supporthtml.oracle.com): Query for the particular patch, click on the patch, then RIGHT CLICK on the patch zip file link and click on copy shortcut in IE (or copy link location in Mozilla Firefox). This link will have both the patch file name and the ARU number. Using the classic patches window: Query for the particular patch, then RIGHT CLICK on the DOWNLOAD button and click on copy shortcut in IE (or...
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WGET Syntax for downloading patches from Metalink

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I am sure everyone knows this but just to emphasise the point (and ease the pain somewhat), Classic MetaLink Retires November 6, 2009 . Extract of the text of email from Oracle Support: During the weekend of November 6 – 8, 2009, My Oracle Support, Oracle's next-generation customer support platform, will be upgraded and Classic MetaLink will be retired. Moreover (and this is the most painful part especially for Apps DBAs), the ftp to the patch site will also retire on 06-Nov-2009. :( Below is the extract of the message displayed on updates.oracle.com ftp site: 230- This service will be retired on November 06, 2009 and "My Oracle Support" 230- will be the only interface for downloading the patches and updates. To 230- search and download patches from "My Oracle Support" users are required 230- to login to https://metalink.oracle.com and then go to "Patches & Updates" 230- tab. Though I do NOT like it, I suppose I have to force myself to use wg...
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EXCEPTION_ACCESS_VIOLATION in Jinitiator and IE crashes

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The Environment Apps Version : 11.5.10.2 Jinitiator Version : 1.3.1.26 Internet Explorer Version : 6 The Issue One of our end users was receiving a very strange error while using jinitiator. The Internet explorer window would crash (close by itself) after creating a file HS_ERR_PID .log on the desktop, where #### stands for the Process ID of the f60webmx session. This error is intermittent and not easily reproducible. Moreover, the user would have to redo his/her work and hence this issue was turning out to be very vexing indeed. The error log is as below: An unexpected exception has been detected in native code outside the VM. Unexpected Signal : EXCEPTION_ACCESS_VIOLATION occurred at PC=0x6D043D1AFunction name=Java_sun_java2d_loops_DefaultComponent_IntIsomorphicCopy Library=C:\Program Files\Oracle\JInitiator 1.3.1.26\bin\awt.dll Current Java thread: at sun.java2d.loops.DefaultComponent.IntIsomorphicCopy(Native Method) at sun.java2d.loops.IntRgbToIntRgb.OpaqueBlit(Unknown Source) at ...
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Version of mod_security with EBS 11.5.10.2

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Though it was a bit tough to find out the version of Mod_security that is shipped with E-Business Suite 11.5.10.2, I finally managed to do it, thanks to Metalink Fora! The version that comes with eBS 11.5.10.2 is 1.8.4 . Below is how you find out the version of mod_security shipped with your version of eBS. $ strings $IAS_ORACLE_HOME/Apache/Apache/libexec/mod_security.so | grep mod_security/
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Read a file and extract specific lines using Native Ansible Modules

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I never realised that reading a file on a remote host and extracting specific lines from that file would be such an arduous task. As part of one of my projects, I had this requirement and without using "cat" or other shell utilities, it was quite cumbersome to read and extract the information that I was looking for. Read on to find out how it can be done using Ansible native commands. Note that I have suggested only one out of a possible many methods. Feel free to explore yourself and update the comments here! REMOTE FILE CONTENTS $ cat /tmp/IP_and_hostnames.txt $ cat /tmp/IP_and_hostnames.txt 192.168.230.165:example-host-1.example.com 192.168.230.166:example-host-2.example.com 192.168.230.167:example-host-3.example.com 192.168.230.175:example-host-1-vip.example.com 192.168.230.176:example-host-2-vip.example.com 192.168.230.177:example-host-3-vip.example.com 192.168.230.185:example-host-1-priv.example.com 192.168.230.186:e...
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