Linux Shell Scripting, Automation, Easy Application Deployment, Linux Blogging, Linux Server Security, Cloud Computing, DevOps Solutions!noreply@blogger.com (Shrikant Lokhande)Sat, 17 Oct 2026 00:23:32 -0700Blogger http://www.blogger.com95125http://shriikant.blogspot.com/en-usyesLinux Shell Scripting, Automation, Easy Application Deployment, Linux Blogging, Linux Server Security, Cloud Computing, DevOps Solutions!noreply@blogger.comhttp://shriikant.blogspot.com/2020/05/create-private-docker-registry-with-ssl.htmlnoreply@blogger.com (Shrikant Lokhande)Fri, 1 May 2020 22:59:00 -0700tag:blogger.com,1999:blog-4626852300956927654.post-7016873661207903328 In this post we will see Create Private Docker Registry with SSL (TLS support)So you will able to push to your own image to secured registry and can pull from it.Here is the process: Create Directory  mkdir -p /opt/docker/containers/docker-registry/certs Create certification openssl req  -newkey rsa:2048  -nodes -sha256 -x509 -days 365  -keyout /opt/docker/containers6http://shriikant.blogspot.com/2017/03/jenkins-error-error-error-cloning.htmlnoreply@blogger.com (Shrikant Lokhande)Fri, 3 Mar 2017 08:28:00 -0800tag:blogger.com,1999:blog-4626852300956927654.post-6396728408839155799 If you upgraded and you face following error.  --------------------------------------------------------------------- Started by user shrikant Building on master in workspace /var/lib/jenkins/workspace/DEvops Cloning the remote Git repository Cloning repository git@xyzserver.com:04761G744/Jpetstore_App.git  > git init /var/lib/jenkins/workspace/DEvops # timeout=10 ERROR: Error 119http://shriikant.blogspot.com/2015/07/application-deployment-on-iseriesibm-i.htmlnoreply@blogger.com (Shrikant Lokhande)Tue, 14 Jul 2015 02:08:00 -0700tag:blogger.com,1999:blog-4626852300956927654.post-1421116388611640363 Application Deployment on IBM Power Series i.e.  ISeries/IBM i /OS 400 We all knows Deployment on *Nix base System/Platforms most of all flavors but do you know how to deployment on IBM Power Series ? Here I have tried and done successful deployment with tools like: Jenkins and Capistrano. Jenkins : 1. Object base Deployment i.e. File/Folder etc. 2. With Publish Over SSH plugin It is 33http://shriikant.blogspot.com/2013/06/mysql-enterprise-monitor-server-and.htmlnoreply@blogger.com (Shrikant Lokhande)Tue, 11 Jun 2013 03:42:00 -0700tag:blogger.com,1999:blog-4626852300956927654.post-462178144011726270 MEM Server: 10.0.2.1 us1-linuxcloud.in Agent: 10.4.0.1 ind-linuxcloud.in MEM Installtion: 10.0.2.1 us1-linuxcloud.in cd /opt/mysql/enterprise/agent/etc/instances mysql mysql1 sd2 sq1 sq2         (You can configure Agents here.) E.g. cp -a sq2 sq3 then Enter in that Dir. cd sq3/ >> Edit agent-instance.ini And Add your agents hostname in that file: /etc/14http://shriikant.blogspot.com/2013/05/how-to-upgrade-mysql-to-percona-on.htmlnoreply@blogger.com (Shrikant Lokhande)Thu, 23 May 2013 06:25:00 -0700tag:blogger.com,1999:blog-4626852300956927654.post-7091193384988828634 Imp: Please take backup of database and mysql config file my.cnf cp -Rf /var/lib/mysql /var/lib/mysql-old mv /etc/my.cnf /etc/my.cnf-old Check the Mysql version: mysql -V mysql Ver 14.12 Distrib 5.0.77, for redhat-linux-gnu (x86_64) We need to Disable the Mysql in cPanel: /scripts/update_local_rpm_versions --edit target_settings.MySQL51 uninstalled The following script will remove the 11http://shriikant.blogspot.com/2013/04/nginx-php-fpm-installation-with-yum-on.htmlnoreply@blogger.com (Shrikant Lokhande)Tue, 9 Apr 2013 15:28:00 -0700tag:blogger.com,1999:blog-4626852300956927654.post-3954869944416995487 Install Nginx with php-FPM  rpm -Uvh http://download.fedoraproject.org/pub/epel/6/i386/epel-release-6-8.noarch.rpm yum install nginx  php-fpm php-cli php-mysql php-gd php-imap php-ldap php-odbc php-pear php-xml php-xmlrpc php-xcache php-magickwand php-magpierss php-mbstring php-mcrypt php-mssql php-shout php-snmp php-soap php-tidy vi /etc/nginx/conf.d/domain.conf server {   &7http://shriikant.blogspot.com/2013/04/pv-name-unknown-device.htmlnoreply@blogger.com (Shrikant Lokhande)Thu, 4 Apr 2013 07:44:00 -0700tag:blogger.com,1999:blog-4626852300956927654.post-154798090584884281 If you allocate the one volume to one VM and you did created PV after that you did dettach the volume without unmounting the volume. So here is the procedure how to troubleshoot with it. [root@localhost ~]#  pvdisplay   --- Physical volume ---   PV Name               /dev/sda2   VG Name               20http://shriikant.blogspot.com/2013/02/clean-up-old-backup-files.htmlnoreply@blogger.com (Shrikant Lokhande)Wed, 27 Feb 2013 08:18:00 -0800tag:blogger.com,1999:blog-4626852300956927654.post-6796229762998229747 For clean up old backup files. cat  /backup/backup_forcleanup.sh #find /backup/scripts -type d -mtime +10 -name "2009*" -exec rm -rf {} \; find /backup/scripts/201* -type d -mtime +10 -exec rm -rf {} \; mail -s "Daily Report for `hostname`"  shrikant.lokhande@example.in < /home/shrikant/daily_report/D_Report_$(date +\%d\%b\%y-\%H%M).txt mail -s "Hourly Check Result of `9http://shriikant.blogspot.com/2013/01/history-command-with-date-and-time-in.htmlnoreply@blogger.com (Shrikant Lokhande)Tue, 22 Jan 2013 08:15:00 -0800tag:blogger.com,1999:blog-4626852300956927654.post-698764221984240299 Add the line at end of file.[root@neonserv ~]# vi  /etc/bashrc # vim:ts=4:sw=4 ## test -s /etc/bash.bashrc.local && . /etc/bash.bashrc.local Create one file name  "/etc/bash.bashrc.local"  and edit like as follows. [root@neonserv ~]# vi /etc/bash.bashrc.local #local bashrc mods # # turn on date time stamps in history # export HISTTIMEFORMAT="%h/%d - %H:%M:%S " export 6http://shriikant.blogspot.com/2013/01/how-to-lockunlock-and-check-user-in.htmlnoreply@blogger.com (Shrikant Lokhande)Mon, 21 Jan 2013 04:36:00 -0800tag:blogger.com,1999:blog-4626852300956927654.post-4353932103817964144 ## You can use this command to lock the User: shrii. [root@localhost ~]# passwd -l shrii Locking password for user shrii. passwd: Success ##  This command shows you particular user status. If it is locked or unlock. [root@localhost ~]# passwd -S shrii shrii PS 2013-01-21 0 99999 7 -1 (Password set, MD5 crypt.) ## Using this command it will give you list. [root@localhost ~]# cat12http://shriikant.blogspot.com/2013/01/one-click-centralized-application.htmlnoreply@blogger.com (Shrikant Lokhande)Fri, 18 Jan 2013 08:31:00 -0800tag:blogger.com,1999:blog-4626852300956927654.post-5671220120879453027One Click Centralized Application Deployment With Webistrano. We mostly heard the name Hudson, Jenkin, Bamboo, etc. when we talk about application deployment.  And above all mostly use for Java (For Continuous Integration).  So what for Ruby on Rails, PHP, Wordpress, Magento, etc. yes we have best option and that is Webistrano.  Its Open source and stable tool and if you utilize it46http://shriikant.blogspot.com/2013/01/rclocal-script-in-opensuse-11.htmlnoreply@blogger.com (Shrikant Lokhande)Thu, 17 Jan 2013 09:04:00 -0800tag:blogger.com,1999:blog-4626852300956927654.post-6706848208207314522 If you have commands and you wanted that while boot. In RHEL/CENTOS /etc/rc.d/rc.local but the same file is not exists in Opensue by default you have to create that using following steps. Create the file  /etc/rc.d/rclocal # file content #! /bin/sh ## This script simulates redhat's rc.local (Add commands at the end) ### BEGIN INIT INFO # Provides: rclocal # Required-Start: $local_fs $2http://shriikant.blogspot.com/2013/01/error-reading-block-2851259-invalid.htmlnoreply@blogger.com (Shrikant Lokhande)Wed, 16 Jan 2013 04:58:00 -0800tag:blogger.com,1999:blog-4626852300956927654.post-3370633323403688692If you are facing following error while shrink LVM using lvreduce command. Error reading block 2851259 (Invalid argument) while doing inode scan.  Ignore error? yes Force rewrite? yesIt  means  if you trying to reduce the lvm partition the partition may be corrupt.So you can do this step by step.  [root@localhost /]# df -h Filesystem         &2http://shriikant.blogspot.com/2012/10/error-cant-start-server-bind-on-unix.htmlnoreply@blogger.com (Shrikant Lokhande)Fri, 26 Oct 2012 06:46:00 -0700tag:blogger.com,1999:blog-4626852300956927654.post-5034907739853308619 chown mysql:mysql /var/lib/mysqlchown mysql:mysql /var/lib/mysql/*chmod 660 /var/lib/mysql/*chown mysql:mysql /var/lib/mysql/mysqlchmod 700 /var/lib/mysql/mysqlchown mysql:mysql /var/lib/mysql/mysql/*chmod 660 /var/lib/mysql/mysql/restorecon -Rv /var/lib/mysql 1http://shriikant.blogspot.com/2012/10/how-to-setup-iptables-on-centosrhel.htmlnoreply@blogger.com (Shrikant Lokhande)Tue, 16 Oct 2012 22:53:00 -0700tag:blogger.com,1999:blog-4626852300956927654.post-2527336076664284963 Copy this in file : /etc/sysconfig/iptables------------------------------------------------------------------------------# Generated by iptables-save v1.3.5 on Thu Aug 30 16:57:39 2012*filter:INPUT ACCEPT [28:1620]:FORWARD ACCEPT [0:0]:OUTPUT ACCEPT [1359:3919374]:RH-Firewall-1-INPUT - [0:0]-A INPUT -j RH-Firewall-1-INPUT-A FORWARD -j RH-Firewall-1-INPUT-A RH-Firewall-1-INPUT -i lo -j ACCEPT-A 1http://shriikant.blogspot.com/2012/08/how-to-disable-iptable-on-ubuntu.htmlnoreply@blogger.com (Shrikant Lokhande)Thu, 16 Aug 2012 06:11:00 -0700tag:blogger.com,1999:blog-4626852300956927654.post-1120134969251295561How to disable iptables on Ubuntu. Sudo ufw disable After that check: ipatables -L 0http://shriikant.blogspot.com/2012/08/how-to-secureencrypt-shell-script.htmlnoreply@blogger.com (Shrikant Lokhande)Wed, 15 Aug 2012 22:49:00 -0700tag:blogger.com,1999:blog-4626852300956927654.post-8348601726758630865If you wanted to encrypt the shell script, Or you need to do secure the shell script. Please use this tool. Install with (binary) source. # wget http://www.datsi.fi.upm.es/~frosal/sources/shc-3.8.7.tgz # tar xvfz shc-3.8.7.tgz # cd shc-3.8.7 # make Or Install with Yum repository. yum install shc -y Run the script with sevral options. $ ./shc -v shc parse(-f): No source file specified 1http://shriikant.blogspot.com/2012/08/osslsslc1101-error-sslv2method.htmlnoreply@blogger.com (Shrikant Lokhande)Thu, 9 Aug 2012 07:01:00 -0700tag:blogger.com,1999:blog-4626852300956927654.post-7181182933371066543When building any ruby verison  on Ubuntu, If you got following error: _________________________________________________________________ Error: ossl_ssl.c:110:1: error: ‘SSLv2_method’ undeclared here (not in a function) ossl_ssl.c:111:1: error: ‘SSLv2_server_method’ undeclared here (not in a function) ossl_ssl.c:112:1: error: ‘SSLv2_client_method’ undeclared here (not in a function) make[11http://shriikant.blogspot.com/2012/08/depends-libc6-i386-27-but-it-is-not.htmlnoreply@blogger.com (Shrikant Lokhande)Thu, 9 Aug 2012 06:59:00 -0700tag:blogger.com,1999:blog-4626852300956927654.post-9084555462708932647Hi Guys, If you are trying to install any application on ubuntu and face this type of error: ------------------------------------------------------------------------------------- You might want to run 'apt-get -f install' to correct these: The following packages have unmet dependencies:  teamviewer7 : Depends: libc6-i386 (>= 2.7) but it is not going to be installed    &2http://shriikant.blogspot.com/2012/06/how-to-change-default-smtp-25-port-in.htmlnoreply@blogger.com (Shrikant Lokhande)Thu, 14 Jun 2012 00:04:00 -0700tag:blogger.com,1999:blog-4626852300956927654.post-6829906648776312668How to change default SMTP 25 port in postfix on CentOs? Check and open master.cf vi /etc/postfix/master.cf ------------------------------------------------------------------- #Comment default line as below. #smtp      inet  n       -       n       -    &3http://shriikant.blogspot.com/2012/06/figlet-is-figlet-text-font-for-linux.htmlnoreply@blogger.com (Shrikant Lokhande)Sat, 2 Jun 2012 03:58:00 -0700tag:blogger.com,1999:blog-4626852300956927654.post-824948486311453854FiGlet is (figlet) text font for linux FIGlet is a computer program that generates text banners, in a variety of.. It used for Display Large Colourful Text Banner On Screen in linux. Figlets are often used in email signatures. We also use them for commenting source code when programming http://www.figlet.org/ wget http://www.jave.de/figlet/figletfonts40.zip http://www.figlet.org/0http://shriikant.blogspot.com/2012/05/why-is-my-emails-getting-as-spam.htmlnoreply@blogger.com (Shrikant Lokhande)Thu, 17 May 2012 22:35:00 -0700tag:blogger.com,1999:blog-4626852300956927654.post-7323493561148518376Why Is My Emails Getting As Spam? Check above things. First we need to check Email Headers. 1. Return Path 2. To 3. From 4. We should not use CAPS because not only being unprofessional, but it also triggers spam filters. To land in the Spam folder consistently, please do not USE ALL CAPS IN THE SUBJECT LINE AND THE BODY FROM TO and Excessive punctuation (e.g. -/, ;^%#$@+ * "'). E.g. as follows.3http://shriikant.blogspot.com/2012/05/error-1372-hy000-password-hash-should.htmlnoreply@blogger.com (Shrikant Lokhande)Wed, 16 May 2012 02:04:00 -0700tag:blogger.com,1999:blog-4626852300956927654.post-4954399190372958844mysql> GRANT SELECT ON *.* TO 'gita'@'localhost' IDENTIFIED BY PASSWORD "gita123"; ERROR 1372 (HY000): Password hash should be a 41-digit hexadecimal number # Check encripted password on Mysql Console. mysql> select password('gita123'); +---------------------+ | password('gita123') | +---------------------+ | 1f6f58c9269d50dc | +---------------------+ 1 row in set (0.00 sec) # Check Grant 2http://shriikant.blogspot.com/2012/05/auto-scaling-on-amazon-cloud-computing.htmlnoreply@blogger.com (Shrikant Lokhande)Thu, 3 May 2012 00:38:00 -0700tag:blogger.com,1999:blog-4626852300956927654.post-2571238529493423167First check the URL to understand Auto Scaling http://aws.amazon.com/autoscaling/ And download Auto Scaling developer tool http://aws.amazon.com/developertools/2535 After download follow the stapes: unzip AutoScaling-2011-01-01.zip cd AutoScaling-1.0.49.1/ Set the enviroment in /root/.bashrc on your box. ------------------------------------------------------------------------ export 4http://shriikant.blogspot.com/2012/04/use-delimiter-in-awk.htmlnoreply@blogger.com (Shrikant Lokhande)Mon, 16 Apr 2012 02:05:00 -0700tag:blogger.com,1999:blog-4626852300956927654.post-4496473723005588422We can use delimiter in Awk, if you exported domain list from godaddy and you want only domain name rather than full information then you can use this command to get domain list only. Using this: awk -F "," '{print $1}' Or cut '--delimiter= ' -f1 E.g. cat DomainDownloadList-124696210.csv | awk '{ printf " %s\n", $1 }' | awk -F "," '{print $1}' > domainlist.txt Or cat 1