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January 20, 2021 at 9:02:39 PM UTC
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https://www.thegeekdiary.com/
Uganda
AS20294 MTN Uganda
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On January 20, 2021 at 9:02:39 PM UTC, https://www.thegeekdiary.com/ was accessible when tested on AS20294 in Uganda.

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Resolver:
41.210.187.20
Query:
IN A www.thegeekdiary.com
Engine:
system
Name
Class
TTL
Type
DATA
Answer IP Info
@
IN
A
172.104.9.113
AS63949 (Linode, LLC)

TCP Connections

172.104.9.113:443: succeeded

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GET https://www.thegeekdiary.com/
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</ul></div></nav><div class="site-inner"><div class="content-sidebar-wrap"><main class="content" id="genesis-content"><article class="post-17878 post type-post status-publish format-standard category-linux category-ubuntu entry" aria-label="How to Disable IPv6 on Ubuntu 18.04 Bionic Beaver Linux" itemscope itemtype="https://schema.org/CreativeWork"><header class="entry-header"><h2 class="entry-title" itemprop="headline"><a class="entry-title-link" rel="bookmark" href="https://www.thegeekdiary.com/how-to-disable-ipv6-on-ubuntu-18-04-bionic-beaver-linux/">How to Disable IPv6 on Ubuntu 18.04 Bionic Beaver Linux</a></h2>
<p class="entry-meta">By <span class="entry-author" itemprop="author" itemscope itemtype="https://schema.org/Person"><a href="https://www.thegeekdiary.com/author/sandeep_patil/" class="entry-author-link" rel="author" itemprop="url"><span class="entry-author-name" itemprop="name">admin</span></a></span> </p></header><div class="entry-content" itemprop="text"><p>Ubuntu 18.04 Bionic Beaver Linux enables Internet Protocol Version 6 (IPv6) by default. However, in certain situations, some users may find it desirable to disable IPv6 support or to re-enable it after it has been disabled.
Disabling IPv6 support (Permanently)
Disable ipv6 built-in kernel module.
1. Edit /etc/default/grub and append ipv6.disable=1 to GRUB_CMDLINE_LINUX and GRUB_CMDLINE_LINUX_DEFAULT like the following &#x02026; <a href="https://www.thegeekdiary.com/how-to-disable-ipv6-on-ubuntu-18-04-bionic-beaver-linux/" class="more-link">[Read more...] <span class="screen-reader-text">about How to Disable IPv6 on Ubuntu 18.04 Bionic Beaver Linux</span></a></p></div><footer class="entry-footer"><p class="entry-meta"><span class="entry-categories">Filed Under: <a href="https://www.thegeekdiary.com/category/linux/" rel="category tag">Linux</a>, <a href="https://www.thegeekdiary.com/category/linux/ubuntu/" rel="category tag">Ubuntu</a></span> </p></footer></article><article class="post-17875 post type-post status-publish format-standard category-centos-rhel category-centos-rhel-5 category-centos-rhel-6 category-centos-rhel-7 category-centos-rhel-8 category-linux entry" aria-label="How to Capture More Logs in /var/log/dmesg for CentOS/RHEL" itemscope itemtype="https://schema.org/CreativeWork"><header class="entry-header"><h2 class="entry-title" itemprop="headline"><a class="entry-title-link" rel="bookmark" href="https://www.thegeekdiary.com/how-to-capture-more-logs-in-var-log-dmesg-for-centos-rhel/">How to Capture More Logs in /var/log/dmesg for CentOS/RHEL</a></h2>
<p class="entry-meta">By <span class="entry-author" itemprop="author" itemscope itemtype="https://schema.org/Person"><a href="https://www.thegeekdiary.com/author/sandeep_patil/" class="entry-author-link" rel="author" itemprop="url"><span class="entry-author-name" itemprop="name">admin</span></a></span> </p></header><div class="entry-content" itemprop="text"><p>Sometimes not all log messages in /var/log/dmesg can be captured after Linux OS/kernel boots up because of too many block devices attached to the server. This post illustrates another way to record all bootup log messages besides configuring the serial console.
Basically kernel parameter "log_buf_len" can be configured to increase kernel log buffer size,
Name: log_buf_len, Set the size of the kernel log buffer.
Synopsis: log_buf_len= n [ KMG ]
Description: Set the size of the &#x02026; <a href="https://www.thegeekdiary.com/how-to-capture-more-logs-in-var-log-dmesg-for-centos-rhel/" class="more-link">[Read more...] <span class="screen-reader-text">about How to Capture More Logs in /var/log/dmesg for CentOS/RHEL</span></a></p></div><footer class="entry-footer"><p class="entry-meta"><span class="entry-categories">Filed Under: <a href="https://www.thegeekdiary.com/category/centos-rhel/" rel="category tag">CentOS/RHEL</a>, <a href="https://www.thegeekdiary.com/category/centos-rhel/centos-rhel-5/" rel="category tag">CentOS/RHEL 5</a>, <a href="https://www.thegeekdiary.com/category/centos-rhel/centos-rhel-6/" rel="category tag">CentOS/RHEL 6</a>, <a href="https://www.thegeekdiary.com/category/centos-rhel/centos-rhel-7/" rel="category tag">CentOS/RHEL 7</a>, <a href="https://www.thegeekdiary.com/category/linux/centos-rhel-8/" rel="category tag">CentOS/RHEL 8</a>, <a href="https://www.thegeekdiary.com/category/linux/" rel="category tag">Linux</a></span> </p></footer></article><article class="post-17870 post type-post status-publish format-standard category-centos-rhel category-centos-rhel-7 category-linux entry" aria-label="Unable to Start RDMA Services on CentOS/RHEL 7" itemscope itemtype="https://schema.org/CreativeWork"><header class="entry-header"><h2 class="entry-title" itemprop="headline"><a class="entry-title-link" rel="bookmark" href="https://www.thegeekdiary.com/unable-to-start-rdma-services-on-centos-rhel-7/">Unable to Start RDMA Services on CentOS/RHEL 7</a></h2>
<p class="entry-meta">By <span class="entry-author" itemprop="author" itemscope itemtype="https://schema.org/Person"><a href="https://www.thegeekdiary.com/author/sandeep_patil/" class="entry-author-link" rel="author" itemprop="url"><span class="entry-author-name" itemprop="name">admin</span></a></span> </p></header><div class="entry-content" itemprop="text"><p>The Problem
The RDMA service fails to start on CentOS/RHEL 7 machine. 'journalctl -r' command shows the below errors:
Oct 11 11:01:15 geeklab systemd-modules-load: Failed to insert 'rds_rdma': Address family not supported by protocol
Oct 11 11:01:15 geeklab systemd-modules-load: Failed to insert 'rds_rdma': Address family not supported by protocol
Oct 11 11:01:15 geeklab systemd-modules-load: Failed to insert 'resilient_rdmaip': Address family not supported by protocol
Oct 11 11:01:15 &#x02026; <a href="https://www.thegeekdiary.com/unable-to-start-rdma-services-on-centos-rhel-7/" class="more-link">[Read more...] <span class="screen-reader-text">about Unable to Start RDMA Services on CentOS/RHEL 7</span></a></p></div><footer class="entry-footer"><p class="entry-meta"><span class="entry-categories">Filed Under: <a href="https://www.thegeekdiary.com/category/centos-rhel/" rel="category tag">CentOS/RHEL</a>, <a href="https://www.thegeekdiary.com/category/centos-rhel/centos-rhel-7/" rel="category tag">CentOS/RHEL 7</a>, <a href="https://www.thegeekdiary.com/category/linux/" rel="category tag">Linux</a></span> </p></footer></article><div class="crunchify_ad_on_home">
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<script>(adsbygoogle=window.adsbygoogle||[]).push({});</script></div><article class="post-17868 post type-post status-publish format-standard category-centos-rhel category-linux category-oracle-linux entry" aria-label="How to rename a KVM VM with virsh" itemscope itemtype="https://schema.org/CreativeWork"><header class="entry-header"><h2 class="entry-title" itemprop="headline"><a class="entry-title-link" rel="bookmark" href="https://www.thegeekdiary.com/how-to-rename-a-kvm-vm-with-virsh/">How to rename a KVM VM with virsh</a></h2>
<p class="entry-meta">By <span class="entry-author" itemprop="author" itemscope itemtype="https://schema.org/Person"><a href="https://www.thegeekdiary.com/author/sandeep_patil/" class="entry-author-link" rel="author" itemprop="url"><span class="entry-author-name" itemprop="name">admin</span></a></span> </p></header><div class="entry-content" itemprop="text"><p>The syntax is to rename a KVM VM with virsh is as follows:
# virsh domrename {domain} {new-name}
Let's see an example of renaming a VM using virsh.
1. To rename VM from serverA to serverB, first shutdown the VM:
# virsh shutdown serverA
2. Now to rename a VM, run:
# virsh domrename serverA serverB
Domain successfully renamed
3. To start the VM/domain:
# virsh start serverB
Rename KVM domain with virsh and XML
1. First get domain information in XML and save it to a new &#x02026; <a href="https://www.thegeekdiary.com/how-to-rename-a-kvm-vm-with-virsh/" class="more-link">[Read more...] <span class="screen-reader-text">about How to rename a KVM VM with virsh</span></a></p></div><footer class="entry-footer"><p class="entry-meta"><span class="entry-categories">Filed Under: <a href="https://www.thegeekdiary.com/category/centos-rhel/" rel="category tag">CentOS/RHEL</a>, <a href="https://www.thegeekdiary.com/category/linux/" rel="category tag">Linux</a>, <a href="https://www.thegeekdiary.com/category/linux/oracle-linux/" rel="category tag">Oracle Linux</a></span> </p></footer></article><article class="post-17859 post type-post status-publish format-standard category-asm category-oracle category-rac entry" aria-label="How To Create &#8220;A CRS Managed&#8221; ACFS FileSystem On Oracle RAC Cluster (ASM/ACFS 11.2)" itemscope itemtype="https://schema.org/CreativeWork"><header class="entry-header"><h2 class="entry-title" itemprop="headline"><a class="entry-title-link" rel="bookmark" href="https://www.thegeekdiary.com/how-to-create-a-crs-managed-acfs-filesystem-on-oracle-rac-cluster-asm-acfs-11-2/">How To Create &#8220;A CRS Managed&#8221; ACFS FileSystem On Oracle RAC Cluster (ASM/ACFS 11.2)</a></h2>
<p class="entry-meta">By <span class="entry-author" itemprop="author" itemscope itemtype="https://schema.org/Person"><a href="https://www.thegeekdiary.com/author/sandeep_patil/" class="entry-author-link" rel="author" itemprop="url"><span class="entry-author-name" itemprop="name">admin</span></a></span> </p></header><div class="entry-content" itemprop="text"><p>1. Create the mount points on all the nodes (as root user):
# mkdir /goldengate
2. Connect to the ASM instance & create the ACFS diskgroup (from the +ASM1 instance):
SQL> CREATE DISKGROUP ACFSTEST EXTERNAL REDUNDANCY
DISK 'ORCL:ASMDISK18' SIZE 4157 M
DISK 'ORCL:ASMDISK19' SIZE 4157 M
ATTRIBUTE 'compatible.asm' = '11.2', 'compatible.advm' = '11.2';
Diskgroup created.
3. Create the ACFS volume (from the +ASM1 instance):
SQL> ALTER DISKGROUP ACFSTEST ADD VOLUME ACFSTESTVOL SIZE &#x02026; <a href="https://www.thegeekdiary.com/how-to-create-a-crs-managed-acfs-filesystem-on-oracle-rac-cluster-asm-acfs-11-2/" class="more-link">[Read more...] <span class="screen-reader-text">about How To Create &#8220;A CRS Managed&#8221; ACFS FileSystem On Oracle RAC Cluster (ASM/ACFS 11.2)</span></a></p></div><footer class="entry-footer"><p class="entry-meta"><span class="entry-categories">Filed Under: <a href="https://www.thegeekdiary.com/category/oracle/asm/" rel="category tag">ASM</a>, <a href="https://www.thegeekdiary.com/category/oracle/" rel="category tag">oracle</a>, <a href="https://www.thegeekdiary.com/category/oracle/rac/" rel="category tag">RAC</a></span> </p></footer></article><div class="crunchify_ad_on_home">
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<script>(adsbygoogle=window.adsbygoogle||[]).push({});</script></div><article class="post-17857 post type-post status-publish format-standard category-olvm entry" aria-label="How to Check Storage Type in Engine Database (OLVM)" itemscope itemtype="https://schema.org/CreativeWork"><header class="entry-header"><h2 class="entry-title" itemprop="headline"><a class="entry-title-link" rel="bookmark" href="https://www.thegeekdiary.com/how-to-check-storage-type-in-engine-database-olvm/">How to Check Storage Type in Engine Database (OLVM)</a></h2>
<p class="entry-meta">By <span class="entry-author" itemprop="author" itemscope itemtype="https://schema.org/Person"><a href="https://www.thegeekdiary.com/author/sandeep_patil/" class="entry-author-link" rel="author" itemprop="url"><span class="entry-author-name" itemprop="name">admin</span></a></span> </p></header><div class="entry-content" itemprop="text"><p>This is a small how-to post to check the storage type in Engine Database.
Table storage_server_connections has all connections information. Run below command on OLVM to get the connection information:
$ /usr/share/ovirt-engine/dbscripts/engine-psql.sh -c "select connection,iqn,port,storage_type from storage_server_connections;"
connection | iqn | port | storage_type
------------------------------+-----+------+--------------
The field storage_type will give:
value 1 for NFS
value 3 &#x02026; <a href="https://www.thegeekdiary.com/how-to-check-storage-type-in-engine-database-olvm/" class="more-link">[Read more...] <span class="screen-reader-text">about How to Check Storage Type in Engine Database (OLVM)</span></a></p></div><footer class="entry-footer"><p class="entry-meta"><span class="entry-categories">Filed Under: <a href="https://www.thegeekdiary.com/category/olvm/" rel="category tag">OLVM</a></span> </p></footer></article><article class="post-17855 post type-post status-publish format-standard category-centos-rhel category-centos-rhel-7 category-linux entry" aria-label="How to set “max_report_luns” and “max_luns” on CentOS/RHEL 7 to scan more than 16,383 LUNs" itemscope itemtype="https://schema.org/CreativeWork"><header class="entry-header"><h2 class="entry-title" itemprop="headline"><a class="entry-title-link" rel="bookmark" href="https://www.thegeekdiary.com/how-to-set-max_report_luns-and-max_luns-on-centos-rhel-7-to-scan-more-than-16383-luns/">How to set “max_report_luns” and “max_luns” on CentOS/RHEL 7 to scan more than 16,383 LUNs</a></h2>
<p class="entry-meta">By <span class="entry-author" itemprop="author" itemscope itemtype="https://schema.org/Person"><a href="https://www.thegeekdiary.com/author/sandeep_patil/" class="entry-author-link" rel="author" itemprop="url"><span class="entry-author-name" itemprop="name">admin</span></a></span> </p></header><div class="entry-content" itemprop="text"><p>From CentOS/RHEL 7, the default value of parameter max_report_luns has been increased from 512 to 16383. Consequently, CentOS/RHEL 7.x can now discover more than 511 LUNs when the system scans the SCSI interconnect using the Report LUNs mechanism. Increasing this value beyond 16383 is generally not required. But if you want to increase it, then change the values for either max_report_luns or max_luns in the kernel options line in /etc/default/grub.
Note: The specific kernel option line within &#x02026; <a href="https://www.thegeekdiary.com/how-to-set-max_report_luns-and-max_luns-on-centos-rhel-7-to-scan-more-than-16383-luns/" class="more-link">[Read more...] <span class="screen-reader-text">about How to set “max_report_luns” and “max_luns” on CentOS/RHEL 7 to scan more than 16,383 LUNs</span></a></p></div><footer class="entry-footer"><p class="entry-meta"><span class="entry-categories">Filed Under: <a href="https://www.thegeekdiary.com/category/centos-rhel/" rel="category tag">CentOS/RHEL</a>, <a href="https://www.thegeekdiary.com/category/centos-rhel/centos-rhel-7/" rel="category tag">CentOS/RHEL 7</a>, <a href="https://www.thegeekdiary.com/category/linux/" rel="category tag">Linux</a></span> </p></footer></article><div class="crunchify_ad_on_home">
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<script>(adsbygoogle=window.adsbygoogle||[]).push({});</script></div><article class="post-17851 post type-post status-publish format-standard category-centos-rhel category-centos-rhel-6 category-linux entry" aria-label="How to set &#8220;max_report_luns&#8221; and &#8220;max_luns&#8221; on CentOS/RHEL 6 to scan more than 512 LUNs" itemscope itemtype="https://schema.org/CreativeWork"><header class="entry-header"><h2 class="entry-title" itemprop="headline"><a class="entry-title-link" rel="bookmark" href="https://www.thegeekdiary.com/how-to-set-max_report_luns-and-max_luns-on-centos-rhel-6-to-scan-more-than-512-luns/">How to set &#8220;max_report_luns&#8221; and &#8220;max_luns&#8221; on CentOS/RHEL 6 to scan more than 512 LUNs</a></h2>
<p class="entry-meta">By <span class="entry-author" itemprop="author" itemscope itemtype="https://schema.org/Person"><a href="https://www.thegeekdiary.com/author/sandeep_patil/" class="entry-author-link" rel="author" itemprop="url"><span class="entry-author-name" itemprop="name">admin</span></a></span> </p></header><div class="entry-content" itemprop="text"><p>The default limit of maximum luns that can be presented in a CentOS/RHEL 6 is 512. But in many cases, you may want to increase this limit. There is a parameter of the SCSI core module to control the number of multiple LUNs.
View Current Settings
To view the current setting of "max_luns" parameter, use the below command:
# systool -v -m scsi_mod
Module = "scsi_mod"
Attributes:
uevent =
Parameters:
default_dev_flags = "0"
eh_deadline = "-1" &#x02026; <a href="https://www.thegeekdiary.com/how-to-set-max_report_luns-and-max_luns-on-centos-rhel-6-to-scan-more-than-512-luns/" class="more-link">[Read more...] <span class="screen-reader-text">about How to set &#8220;max_report_luns&#8221; and &#8220;max_luns&#8221; on CentOS/RHEL 6 to scan more than 512 LUNs</span></a></p></div><footer class="entry-footer"><p class="entry-meta"><span class="entry-categories">Filed Under: <a href="https://www.thegeekdiary.com/category/centos-rhel/" rel="category tag">CentOS/RHEL</a>, <a href="https://www.thegeekdiary.com/category/centos-rhel/centos-rhel-6/" rel="category tag">CentOS/RHEL 6</a>, <a href="https://www.thegeekdiary.com/category/linux/" rel="category tag">Linux</a></span> </p></footer></article><article class="post-17847 post type-post status-publish format-standard category-centos-rhel entry" aria-label="How to Check the Size og yum Channels in CentOS/RHEL" itemscope itemtype="https://schema.org/CreativeWork"><header class="entry-header"><h2 class="entry-title" itemprop="headline"><a class="entry-title-link" rel="bookmark" href="https://www.thegeekdiary.com/how-to-check-the-size-og-yum-channels-in-centos-rhel/">How to Check the Size og yum Channels in CentOS/RHEL</a></h2>
<p class="entry-meta">By <span class="entry-author" itemprop="author" itemscope itemtype="https://schema.org/Person"><a href="https://www.thegeekdiary.com/author/sandeep_patil/" class="entry-author-link" rel="author" itemprop="url"><span class="entry-author-name" itemprop="name">admin</span></a></span> </p></header><div class="entry-content" itemprop="text"><p>Question: How to find out how large a yum channel repository is, to know how much data the channel will sync to a local yum repository?
To see the actual size of the repository use either the 'yum repolist -v' or 'yum repoinfo' command.
Example for checking the size of "CentOS-8 - AppStream" yum channel
Run the command as shown below to get the size of the Repo "CentOS-8 - AppStream". The command works even without the double quotes around the repo name.
# yum repoinfo "CentOS-8 - &#x02026; <a href="https://www.thegeekdiary.com/how-to-check-the-size-og-yum-channels-in-centos-rhel/" class="more-link">[Read more...] <span class="screen-reader-text">about How to Check the Size og yum Channels in CentOS/RHEL</span></a></p></div><footer class="entry-footer"><p class="entry-meta"><span class="entry-categories">Filed Under: <a href="https://www.thegeekdiary.com/category/centos-rhel/" rel="category tag">CentOS/RHEL</a></span> </p></footer></article><article class="post-17845 post type-post status-publish format-standard category-linux entry" aria-label="How to Check vendor of installed RPM packages in Linux" itemscope itemtype="https://schema.org/CreativeWork"><header class="entry-header"><h2 class="entry-title" itemprop="headline"><a class="entry-title-link" rel="bookmark" href="https://www.thegeekdiary.com/how-to-check-vendor-of-installed-rpm-packages-in-linux/">How to Check vendor of installed RPM packages in Linux</a></h2>
<p class="entry-meta">By <span class="entry-author" itemprop="author" itemscope itemtype="https://schema.org/Person"><a href="https://www.thegeekdiary.com/author/sandeep_patil/" class="entry-author-link" rel="author" itemprop="url"><span class="entry-author-name" itemprop="name">admin</span></a></span> </p></header><div class="entry-content" itemprop="text"><p>This is a quick how-to post on checking the vendor of the installed rpms on a system. In some scenarios, a custom rpm package may not be compatible or supported on the specific system or environment. This post will help you identify the vendor of rpm which are either thrid party or not native to the OS provider.
List vendor information of RPMs
To List all the rpm with the vendor infromation, use the --queryformat(--qf) option.
# rpm -qa --queryformat '%{NAME}-%{VERSION}-%{RELEASE}.%{ARCH} &#x02026; <a href="https://www.thegeekdiary.com/how-to-check-vendor-of-installed-rpm-packages-in-linux/" class="more-link">[Read more...] <span class="screen-reader-text">about How to Check vendor of installed RPM packages in Linux</span></a></p></div><footer class="entry-footer"><p class="entry-meta"><span class="entry-categories">Filed Under: <a href="https://www.thegeekdiary.com/category/linux/" rel="category tag">Linux</a></span> </p></footer></article><div class="archive-pagination pagination"><div class="pagination-next alignright"><a href="https://www.thegeekdiary.com/page/2/">Next Page &#x000BB;</a></div></div></main><aside class="sidebar sidebar-primary widget-area" role="complementary" aria-label="Primary Sidebar" itemscope itemtype="https://schema.org/WPSideBar" id="genesis-sidebar-primary"><h2 class="genesis-sidebar-title screen-reader-text">Primary Sidebar</h2><section id="search-2" class="widget widget_search"><div class="widget-wrap"><form class="search-form" method="get" action="https://www.thegeekdiary.com/" role="search" itemprop="potentialAction" itemscope itemtype="https://schema.org/SearchAction"><label class="search-form-label screen-reader-text" for="searchform-1">Search this website</label><input class="search-form-input" type="search" name="s" id="searchform-1" placeholder="Search this website" itemprop="query-input"><input class="search-form-submit" type="submit" value="Search"><meta content="https://www.thegeekdiary.com/?s={s}" itemprop="target"></form></div></section>
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Resolver

Resolver ASN
AS20294
Resolver IP
41.210.187.20
Resolver Network Name
MTN Uganda
Measurement UID
20210120214302.183432_UG_webconnectivity_cbbfd727acd23428
Report ID
20210120T155459Z_webconnectivity_UG_20294_n1_miPXhlIEySgo5wyf
Platform
linux
Software Name
ooniprobe-cli (3.4.0)
Measurement Engine
ooniprobe-engine (0.22.0)

Raw Measurement Data

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