Aug 31 2022
It’s not a big deal to perform mysqldump command, get your database as a file and transfer MySQL database to another server by moving the file to another server and import it,
But what if there is no enough space on a disk to store the dump file? In this case it would be great to create MySQL dump file directly on the remote server. And not only you can create dump file directly but even clone a database to remote MySQL! Here I show how to do this.
Aug 26 2022
I was running Ubuntu 20.04 happily, and then over the weekend decided to back everything up and install 22.04. I installed my previous keys but I couldn’t login via MobaXTerm remotely as I usually did with 20.04.
I logged in with a console and checked /var/log/auth.log . Here are the messages generated upon my tries to log in:
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userauth_pubkey: key type ssh-rsa not in PubkeyAcceptedAlgorithms [preauth] Aug 26 06:37:05 ip-172-31-27-21 sshd[1750502]: error: Received disconnect from 209.158.53.89 port 9085:14: No supported authentication methods available [preauth] Aug 26 06:37:05 ip-172-31-27-21 sshd[1750502]: Disconnected from authenticating user ubuntu 209.158.53.89 port 9085 [preauth] |
Aug 12 2022
Again the same git error: The remote end hung up unexpectedly fatal: early EOF fatal: index-pack failed.
This time – during the execution of Jenkins pipeline:
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ssh_dispatch_run_fatal: Connection to 104.10.141.1 port 22: message authentication code incorrect fatal: the remote end hung up unexpectedly fatal: early EOF fatal: index-pack failed warning: unable to unlink '(NULL)': Invalid argument at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.launchCommandIn(CliGitAPIImpl.java:2681) at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.launchCommandWithCredentials(CliGitAPIImpl.java:2102) at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.access$500(CliGitAPIImpl.java:86) at org.jenkinsci.plugins.gitclient.CliGitAPIImpl$1.execute(CliGitAPIImpl.java:624) at org.jenkinsci.plugins.gitclient.CliGitAPIImpl$2.execute(CliGitAPIImpl.java:853) at org.jenkinsci.plugins.gitclient.RemoteGitImpl$CommandInvocationHandler$GitCommandMasterToSlaveCallable.call(RemoteGitImpl.java:160) at org.jenkinsci.plugins.gitclient.RemoteGitImpl$CommandInvocationHandler$GitCommandMasterToSlaveCallable.call(RemoteGitImpl.java:153) at hudson.remoting.UserRequest.perform(UserRequest.java:211) at hudson.remoting.UserRequest.perform(UserRequest.java:54) at hudson.remoting.Request$2.run(Request.java:375) at hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:73) at java.util.concurrent.FutureTask.run(Unknown Source) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at hudson.remoting.Engine$1.lambda$newThread$0(Engine.java:118) at java.lang.Thread.run(Unknown Source) Suppressed: hudson.remoting.Channel$CallSiteStackTrace: Remote call to JNLP4-connect connection from 192.168.2.90/192.168.2.90:477 at hudson.remoting.Channel.attachCallSiteStackTrace(Channel.java:1784) at hudson.remoting.UserRequest$ExceptionResponse.retrieve(UserRequest.java:356) at hudson.remoting.Channel.call(Channel.java:1000) at org.jenkinsci.plugins.gitclient.RemoteGitImpl$CommandInvocationHandler.execute(RemoteGitImpl.java:145) at jdk.internal.reflect.GeneratedMethodAccessor1213.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.jenkinsci.plugins.gitclient.RemoteGitImpl$CommandInvocationHandler.invoke(RemoteGitImpl.java:131) at com.sun.proxy.$Proxy76.execute(Unknown Source) at hudson.plugins.git.GitSCM.retrieveChanges(GitSCM.java:1224) at hudson.plugins.git.GitSCM.checkout(GitSCM.java:1302) at hudson.scm.SCM.checkout(SCM.java:540) at hudson.model.AbstractProject.checkout(AbstractProject.java:1217) at hudson.model.AbstractBuild$AbstractBuildExecution.defaultCheckout(AbstractBuild.java:647) at jenkins.scm.SCMCheckoutStrategy.checkout(SCMCheckoutStrategy.java:85) at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:519) at hudson.model.Run.execute(Run.java:1897) at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:44) at hudson.model.ResourceController.execute(ResourceController.java:101) at hudson.model.Executor.run(Executor.java:442) ERROR: Error cloning remote repo 'origin' Finished: FAILURE |
Jul 29 2022
Starting from Asterisk 1.6 GotoIfTime application supports Timezone parameter:
[Syntax]
GotoIfTime(times,weekdays,mdays,months[,timezone]?[labeliftrue][:labeliffalse])
I setup a system that receives calls from people in different timezones so I need to use Timezone parameter in GotoIfTime Asterisk application. Surprisingly I could not find examples on Asterisk’s website so I had to search for some.
There can be two possible formats: you can specify timezone as a shift relative to the time the Asterisk operates in, or you can specify as a path to respective timezone file. Here are the examples: Continue reading
Jul 17 2022
Recently my Job for renewing Letsencrypt certificates in KeyVault has stopped working. Upon closer look I found that my Run As account certificate expired:
I navigated to certificate’s properties to renew it as described in Microsoft documentation and thouhgt I have 1 minute work to fix that but no! There is no option to renew it anymore!
Apr 11 2022
When you try to start docker it exits with exit status 1.
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[root@localhost ~]# systemctl start docker Job for docker.service failed because the control process exited with error code. See "systemctl status docker.service" and "journalctl -xe" for details. [root@localhost ~]# systemctl status -l docker ● docker.service - Docker Application Container Engine Loaded: loaded (/usr/lib/systemd/system/docker.service; disabled; vendor preset: disabled) Active: failed (Result: start-limit) since 四 2020-05-14 11:02:36 CST; 5s ago Docs: https://docs.docker.com Process: 6732 ExecStart=/usr/bin/dockerd (code=exited, status=1/FAILURE) Main PID: 6732 (code=exited, status=1/FAILURE) 5月 14 11:02:36 localhost.localdomain systemd[1]: Failed to start Docker Application Container Engine. 5月 14 11:02:36 localhost.localdomain systemd[1]: Unit docker.service entered failed state. 5月 14 11:02:36 localhost.localdomain systemd[1]: docker.service failed. 5月 14 11:02:36 localhost.localdomain systemd[1]: docker.service holdoff time over, scheduling restart. 5月 14 11:02:36 localhost.localdomain systemd[1]: Stopped Docker Application Container Engine. 5月 14 11:02:36 localhost.localdomain systemd[1]: start request repeated too quickly for docker.service 5月 14 11:02:36 localhost.localdomain systemd[1]: Failed to start Docker Application Container Engine. 5月 14 11:02:36 localhost.localdomain systemd[1]: Unit docker.service entered failed state. 5月 14 11:02:36 localhost.localdomain systemd[1]: docker.service failed. |
In /var/log/messages you can find the following: Continue reading
Apr 11 2022
Upon installing OnlyOffice with Docker by the provided script it ends up with the following error:
Docker pull argument exception: repository=onlyoffice/documentserver, tag=
It’s not clear what causes this error but the reason is obvious: Continue reading
Mar 23 2022
On a number of installations after the let’s Encrypt update in September 2021 you won’t be able to continue. Your may get this error.
ERROR: cannot verify software.virtualmin.com‘s certificate, issued by ‘/C=US/O=Let\’s Encrypt/CN=R3’: Issued certificate has expired. To connect to software.virtualmin.com insecurely, use `–no-check-certificate‘. chmod: cannot access ‘slib.sh’: No such file or directory ./install.sh: line 297: ./slib.sh: No such file or directory Continue reading
Mar 18 2022
You try to establsish a call but it got disconnected and there is following message in Asterisk console from PJSIP Couldn’t add sdp streams for stream:
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res_pjsip_session.c:5160 create_local_sdp: PJSIP/teams_out-0000000b: Couldn't add sdp streams for stream 0:audio-0:audio:sendrecv (ulaw|alaw|gsm) |
Two most common cases can cause this: Continue reading
Mar 12 2022
I had this issue due to having the Reporting Services databases in an Availability Group. When we failed over (for the first time) there were a bunch of permissions not correctly set, specifically the RSExecRole was not there. The reports worked, but not the subscriptions and we couldn’t edit any of the report settings. Upon saving the subscription you see the error on the screenshot above.
Continue reading
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