Author:
erics, September 7th, 2022
If you get the following error in WordPress when using the WPDataTables plugin, follow these steps to fix it: “You are trying to load a table of an unknown type. Probably you did not activate the addon which is required to use this table type.” SOLUTION SUMMARY: You must update the plugin files manually, deactivate […]
Categories: Technology Tags: Activate, Deactivaate, Error, Fix, howto, Plugin, Reactivate, tips, update, upgrade, WordPress, WPDataTables
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Author:
erics, May 6th, 2020
I ran letsencrypt-auto renew and got the following error:
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root@prod06b:/etc/httpd/conf.d # /root/letsencrypt/letsencrypt-auto renew Error: couldn't get currently installed version for /opt/eff.org/certbot/venv/bin/letsencrypt: Traceback (most recent call last): File "/opt/eff.org/certbot/venv/bin/letsencrypt", line 7, in <module> from certbot.main import main File "/opt/eff.org/certbot/venv/local/lib/python2.7/dist-packages/certbot/main.py", line 2, in <module> from certbot._internal import main as internal_main File "/opt/eff.org/certbot/venv/local/lib/python2.7/dist-packages/certbot/_internal/main.py", line 10, in <module> import josepy as jose File "/opt/eff.org/certbot/venv/local/lib/python2.7/dist-packages/josepy/__init__.py", line 41, in <module> from josepy.interfaces import JSONDeSerializable File "/opt/eff.org/certbot/venv/local/lib/python2.7/dist-packages/josepy/interfaces.py", line 7, in <module> from josepy import errors, util File "/opt/eff.org/certbot/venv/local/lib/python2.7/dist-packages/josepy/util.py", line 7, in <module> import OpenSSL File "/opt/eff.org/certbot/venv/local/lib/python2.7/dist-packages/OpenSSL/__init__.py", line 8, in <module> from OpenSSL import crypto, SSL File "/opt/eff.org/certbot/venv/local/lib/python2.7/dist-packages/OpenSSL/crypto.py", line 12, in <module> from cryptography import x509 ImportError: No module named cryptography |
The solution in this article gave me the answer:
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sudo rm -rf /opt/eff.org/* sudo pip install -U certbot sudo certbot renew --debug |
Turns out Python was old at version 2.7, so did the following also:
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sudo yum -y install python36 sudo alternatives --config python sudo pip install --upgrade pip |
Also had to change the cron job script to call certbot directly instead of letsencrypt-auto : vi /root/letsencrypt-cron.sh
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#!/bin/sh # # letsencrypt-cron.sh # #OLD: if ! /root/letsencrypt/letsencrypt-auto renew > /var/log/letsencrypt/renew.log 2>&1 ; then #NEW: if ! /usr/bin/certbot renew > /var/log/letsencrypt/renew.log 2>&1 ; then echo Automated renewal failed: cat /var/log/letsencrypt/renew.log exit 1 fi apachectl graceful |
Categories: How-To's, Technology Tags: AWS, AWS Linux, cert, Certbot, howto, Install, Linux, pip, Python, Renew, ssl, tips, upgrade, Yum
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Author:
erics, April 5th, 2020
Decided to go for it and dive into the world of the WordPress block editor based on the improvements in version 5.4 – First, the upgrade went smoothly. Second, switching to the new block editor was easy. Third, making this post seems pretty painless. I disabled full-screen mode because I simply don’t like it ;-} […]
Categories: Technology Tags: upgrade, WordPress, Wordpress 5.4
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Author:
erics, March 25th, 2020
I tried upgrading pip when prompted to do so: sudo pip install –upgrade pip This worked, but removed the system install in /usr/bin/pip and replaced it with /usr/local/bin/pip – NOT GOOD! The solution is as follows:
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/usr/local/bin/pip uninstall pip yum remove python27-pip yum install python27-pip |
Categories: How-To's, Technology Tags: Amazon, Amazon Linux, AWS, CentOS, Downgrade, howto, Install, Linux, pip, pip install, pip uninstall, tips, Uninstall, upgrade, Yum
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Author:
erics, January 21st, 2020
PROBLEM DEFINITION Bamboo Catalina error found in catalina.out:
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-Djava.endorsed.dirs=/volumes/data/bamboo/current/endorsed is not supported. Endorsed standards and standalone APIs in modular form will be supported via the concept of upgradeable modules. Error: Could not create the Java Virtual Machine. Error: A fatal exception has occurred. Program will exit. |
SOLUTION SUMMARY Correct by using Java 8 instead. Do it manually using alternatives –set, or interactively using alternatives –config. MANUAL PROCEDURE – two steps, one for java and one for javac
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alternatives --set java /usr/lib/jvm/jre-1.8.0-openjdk.x86_64/bin/java alternatives --set javac /usr/lib/jvm/jre-1.8.0-openjdk.x86_64/bin/javac |
INTERACTIVE PROCEDURE – two steps, one for java and one for javac
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root@bamboo:/root # alternatives --config javac There are 3 programs which provide 'javac'. Selection Command ----------------------------------------------- + 1 /usr/lib/jvm/java-1.8.0-openjdk.x86_64/bin/javac * 2 /usr/lib/jvm/java-11-amazon-corretto/bin/javac 3 /usr/lib/jvm/java-1.7.0-openjdk.x86_64/bin/javac Enter to keep the current selection[+], or type selection number: root@bamboo:/root # alternatives --config java There are 4 programs which provide 'java'. Selection Command ----------------------------------------------- + 1 /usr/lib/jvm/jre-1.8.0-openjdk.x86_64/bin/java 2 /usr/lib/jvm/jre-1.6.0-openjdk.x86_64/bin/java * 3 /usr/lib/jvm/java-11-amazon-corretto/bin/java 4 /usr/lib/jvm/jre-1.7.0-openjdk.x86_64/bin/java Enter to keep the current selection[+], or type selection number: |
Categories: How-To's, Technology Tags: alternatives, Bamboo, Catalina, catalina.out, Config, Endorsed, Endorsed standards, howto, Java, Java 8, java upgrade, java.endorsed.dirs, javac, set, tips, upgrade, Yum, yum update
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Author:
erics, August 22nd, 2019
As root:
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PACKAGES=`yum list installed | grep php | awk -F. '{print $1}' | tr "\n\r" " "` echo $PACKAGES yum remove -y $PACKAGES |
~or~
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yum remove php56 php56-cli php56-common php56-devel php56-gd php56-jsonc php56-jsonc-devel php56-mbstring php56-mcrypt php56-mysqlnd php56-pdo php56-pecl-imagick php56-process php56-xml |
THEN:
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yum install php72 php72-bcmath php72-cli php72-common php72-devel php72-gd php72-imap php72-json php72-mysqlnd php72-pdo php72-pecl-apcu php72-pecl-imagick php72-pecl-imagick-devel php72-pecl-memcache php72-php-bcmath php72-php-common php72-php-json php72-process php72-runtime php72-xml php72-mbstring php72-pecl-mcrypt |
Be sure to restart your web server!!
Categories: How-To's, Technology Tags: Amazon, AWS, Install, Linux, php, php7, upgrade, Yum, yum install, yum list, yum remove, yum search
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Author:
erics, June 12th, 2019
The Problem Tried to install the latest version of cpan and got stuck. Tracked it down to the dependency module Mac::SystemDirectory which was failing to build:
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cpan[1]> install Mac::SystemDirectory Reading '/var/root/.cpan/Metadata' Database was generated on Sun, 09 Jun 2019 07:17:02 GMT Running install for module 'Mac::SystemDirectory' Running make for E/ET/ETHER/Mac-SystemDirectory-0.10.tar.gz Checksum for /var/root/.cpan/sources/authors/id/E/ET/ETHER/Mac-SystemDirectory-0.10.tar.gz ok Scanning cache /var/root/.cpan/build for sizes ............................................................................DONE CPAN.pm: Building E/ET/ETHER/Mac-SystemDirectory-0.10.tar.gz HASCOMPILEREZFt/TESTUSSI.c:2:10: fatal error: 'EXTERN.h' file not found #include "EXTERN.h" ^~~~~~~~~~ 1 error generated. Couldn't execute cc -g -pipe -fno-common -DPERL_DARWIN -fno-strict-aliasing -fstack-protector -Os "-I/System/Library/Perl/5.18/darwin-thread-multi-2level/CORE" -c HASCOMPILEREZFt/TESTUSSI.c -o HASCOMPILEREZFt/TESTUSSI.o: Inappropriate ioctl for device at Makefile.PL line 14. Requires a compiler Warning: No success on command[/usr/bin/perl Makefile.PL INC=-I/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/System/Library/Perl/5.18/darwin-thread-multi-2level/CORE] ETHER/Mac-SystemDirectory-0.10.tar.gz /usr/bin/perl Makefile.PL INC=-I/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/System/Library/Perl/5.18/darwin-thread-multi-2level/CORE -- NOT OK Running make test Make had some problems, won't test Running make install Make had some problems, won't install Failed during this command: ETHER/Mac-SystemDirectory-0.10.tar.gz : writemakefile NO '/usr/bin/perl Makefile.PL INC=-I/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/System/Library/Perl/5.18/darwin-thread-multi-2level/CORE' returned status 6400 |
The Solution Use the MacOS installer command to deploy the needed files:
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xcode-select --install sudo installer -pkg /Library/Developer/CommandLineTools/Packages/macOS_SDK_headers_for_macOS_10.14.pkg -target / installer: Package name is macOS_SDK_headers_for_macOS_10.14 installer: Installing at base path / installer: The install was successful. |
The, rerunning the cpan install works:
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cpan[1]> install Mac::SystemDirectory ... Running make install Files found in blib/arch: installing files in blib/lib into architecture dependent library tree Installing /Library/Perl/5.18/darwin-thread-multi-2level/auto/Mac/SystemDirectory/SystemDirectory.bs Installing /Library/Perl/5.18/darwin-thread-multi-2level/auto/Mac/SystemDirectory/SystemDirectory.bundle Installing /Library/Perl/5.18/darwin-thread-multi-2level/Mac/SystemDirectory.pm Installing /usr/local/share/man/man3/Mac::SystemDirectory.3pm Appending installation info to /Library/Perl/Updates/5.18.2/darwin-thread-multi-2level/perllocal.pod ETHER/Mac-SystemDirectory-0.10.tar.gz /usr/bin/make install -- OK |
Categories: How-To's, Technology Tags: 10.14, CPAN, Error, extern.h, Fatal, Fatal Error, File not found, Header, headers, howto, Install, installer, Libraries, Library, MacOS, Mojave, not found, Package, perl, pkg, System, tips, update, upgrade, XCode
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Author:
erics, December 7th, 2017
START: Server version: 5.5.54-log MySQL Community Server (GPL) FINISH: Server version: 5.7.20-log MySQL Community Server (GPL)
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mysql --execute="SET GLOBAL innodb_fast_shutdown=0;" service mysqld stop yum remove mysql mysql-* yum install mysql57-devel mysql57-server mysql57-test service mysqld start mysql_upgrade service mysqld restart |
If you do not restart MySQL server at the end, you will get this error:
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ERROR 1682 (HY000): Native table 'performance_schema'.'session_variables' has the wrong structure |
Check and veify your my.cnf ssl entries if you see the following error in the /var/log/mysqld.log file at startup:
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Failed to set up SSL because of the following SSL library error: SSL_CTX_set_default_verify_paths failed |
Categories: How-To's, Technology Tags: 5.5, 5.7, AWS, AWS Linux, CentOS, howto, mysql, MySQL 5.5, MySQL 5.7, tips, upgrade
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Author:
erics, December 8th, 2015
I upgraded to Python 2.7 and yum promptly broke. The quick fix is to edit the yum executable script and change the top line that invokes Python: sudo vim which yum CHANGE FROM: #!/usr/bin/python TO: #!/usr/bin/python26 UPDATED August 2nd, 2016: On one system, I had to use the following Python 2.4 fix instead, even though […]
Categories: How-To's, Technology Tags: 2.7, Broken, Fix, howto, Python, tips, upgrade, Yum
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Author:
erics, July 22nd, 2013
Do a full backup first, just in case! mysql_upgrade -u root -p
Categories: How-To's, Technology Tags: howto, mysql, mysql_upgrade, tips, upgrade
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