Category Archives: Troubleshooting

Various problems solutions

Jenkins: running PHPUnit from Codeception by a Pull Request in Github and Allure-reports
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6 June 2019

The task is to create a Jenkins Scripted Pipeline job to run PHPUnit with our PHP-based backend unit-tests. To run PHPUnit Codeception will be used. This Jenkins job must be triggered from a Github repository after creating Pull Request so will use Github Pull-Request Builder plugin here. To view generated reports – Allure Jenkins plugin… Read More: Jenkins: running PHPUnit from Codeception by a Pull Request in… »

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Linux: A stop job is running for Session c1 of user setevoy (1min 30s)
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15 May 2019

The issue happened on a fresh Arch Linux installation but the solution here can be used on any systemd-based distributive. So, during restarts system hangs for 1.5 minutes with a message like: A stop job is running for Session c1 of user setevoy (1min 30s) To check which process(es) exactly caused this you can use… Read More: Linux: A stop job is running for Session c1 of… »

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AWS: MariaDB RDS – kill: You are not owner of thread
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14 May 2019

We have AWS RDS with MariaDB. The error below and its solution aren’t specific to AWS RDS and MariaDB. The next error appears during attempt to kill() a thread in MySQL: [simterm] MariaDB [(none)]> kill 759; ERROR 1095 (HY000): You are not owner of thread 759 [/simterm] The solution is to use the mysql.rds_kill() procedure… Read More: AWS: MariaDB RDS – kill: You are not owner of… »

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TestRail: reset admin password
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13 May 2019

We have a TestRail installation but suddenly lose its Admin user password. The Reset Password says that “Email sending failed” although email was configured and users are able to get emails from the server. Also, the log /var/www/testrail.example.com/logs/log-2019-05-13.php didn’t says anything so will reset password in another way – by update this TestRail MySQL database… Read More: TestRail: reset admin password0 (0) »

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Arch Linux: Albion Online – Unable to preload the following plugins: libSDL2-2.0.so.0
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14 April 2019

Didn’t play in Albion Online for a while, but recalled about it and tried to play on my Arch Linux. It works fine from the Steam client, but I bought with a start package some time ago and can’t log in to Steam’s version with my old credentials. Okay – download game from the https://albiononline.com/ru/download,… Read More: Arch Linux: Albion Online – Unable to preload the following… »

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Redis: Sentinel – bind 0.0.0.0, the localhost issue and the announce-ip option
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10 April 2019

Originally, in a Sentinel’s configs, I have used the bind 0.0.0.0 to make them accessible from external hosts. Because of this when I started rolling out this setup on a real environment faced with an issue when Sentinels could not determine a Master host and other Sentinel hosts. In this post – such an issue… Read More: Redis: Sentinel – bind 0.0.0.0, the localhost issue and the… »

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Redis: Can’t open the log file: Read-only file system
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3 April 2019

Have a new Redis service which has to run alongside with one already existing During starting this new service – it fails with the Can’t open the log file: Read-only file system error, although /var/log and log file itself have correct permissions. The root cause was not very obvious so in this post – its… Read More: Redis: Can’t open the log file: Read-only file system0 (0) »

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Jenkins: your Jenkins data directory is almost full and automated disk cleanup
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27 March 2019

We have a Jenkins instance with a bunch of jobs. After a while – a new warning appeared: Jenkins: your Jenkins data directory /var/lib/jenkins (aka JENKINS_HOME) is almost full Checked disk usage with the ncdu and found few jobs which used really lot of space: [simterm] root@jenkins-production:/data/jenkins# du -h –max-depth 1 jobs/ .. 25G jobs/APITests …… Read More: Jenkins: your Jenkins data directory is almost full and automated… »

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Arch Linux: NVIDIA driver installation for GeForce GTX 1050 Ti
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25 March 2019

The main goal when I was buying a new PC with NVIDIA GeForce GTX 1050 Ti was an ability to play games on Arch Linux without reboots into Windows. For this need to install NVIDIA drivers so Linux will use it instead of nouveau (although I didn’t even try to run any game with nouveau).… Read More: Arch Linux: NVIDIA driver installation for GeForce GTX 1050 Ti0… »

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Jenkins: HTTP full-duplex channel timeout
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15 March 2019

During connection to a Jenkins using its CLI – it finished with an error. Exactly in a console, there was nothing in the output, but after issuing echo $? to display last command’s execution return code – there was the 255 response as I remember – didn’t save it to this post’s draft. The connection… Read More: Jenkins: HTTP full-duplex channel timeout0 (0) »

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