Saturday 10 March 2018

Configure Evolution(MUA) for root account on Linux

​Tried to configure 'sendmail' and 'dovecot' and tested using command line to send emails by creating couple of local user accounts. Later, for easy access configured 'evolution' mail client.
In brief, here are the changes made on the system while I configured system.


# yum install sendmail sendmail-cf
# vi /etc/mail/


DAEMON_OPTIONS(`Port=smtp,Addr=, Name=MTA')dnl

dnl DAEMON_OPTIONS(`Port=smtp,Addr=, Name=MTA')dnl
​save and quit(:wq)​

# m4 /etc/mail/ > /etc/mail/
# vi /etc/mail/local-host-names

# service sendmail restart
# chkconfig sendmail on


# yum install dovecot

# vi /etc/dovecot/dovecot.conf
#protocols = imap pop3 lmtp

protocols = imap pop3

# vi /etc/dovecot/conf.d/10-mail.conf
#mail_location =

mail_location = mbox:~/mail:INBOX=/var/mail/%u

​# service dovecot restart
# chkconfig dovecot on

​Configure your evolution mail client: 

# yum -y install evolution

Wednesday 14 February 2018

upgrade 'git' to 2.x Redhat/CentOS

Tried to upgrade 'git' to latest as I had few applications which was not supported with older git which suggested me for 2.x. while I, tried to 'yum update git' I couldn't find 2.x being in Redhat/Oracle repository. Later, followed to install manually and these steps were documented below instructions. 


- Ensure your packages are installed(curl-devel expat-devel gettext-devel openssl-devel zlib-devel gcc perl-ExtUtils-MakeMaker)
- Remove installed 'git' from system
- Download the latest version from (I would download git-2.8.6)
- Install git.
- Make sure you add in PATH of your profile.
- Check your 'git' version. 


[root@localhost ~]# yum install curl-devel expat-devel gettext-devel openssl-devel zlib-devel gcc perl-ExtUtils-MakeMaker -y
Loaded plugins: aliases, changelog, kabi, ovl, presto, refresh-packagekit, security, tmprepo, ulninfo, verify, versionlock
Loading support for kernel ABI
Setting up Install Process
Package libcurl-devel-7.19.7-53.el6_9.x86_64 already installed and latest version
Package expat-devel-2.0.1-13.el6_8.x86_64 already installed and latest version
Package gettext-devel-0.17-18.el6.x86_64 already installed and latest version
Package openssl-devel-1.0.1e-57.0.1.el6.x86_64 already installed and latest version
Package zlib-devel-1.2.3-29.el6.x86_64 already installed and latest version
Package gcc-4.4.7-18.el6.x86_64 already installed and latest version
Package perl-ExtUtils-MakeMaker-6.55-144.el6.x86_64 already installed and latest version
Nothing to do
[root@localhost ~]# 

[root@localhost ~]# yum remove git -y
Setting up Remove Process
Resolving Dependencies
--> Running transaction check
---> Package git.x86_64 0:1.7.1-9.el6_9 will be erased
--> Processing Dependency: git = 1.7.1-9.el6_9 for package: perl-Git-1.7.1-9.el6_9.noarch
--> Running transaction check
---> Package perl-Git.noarch 0:1.7.1-9.el6_9 will be erased
--> Finished Dependency Resolution
Removed: git.x86_64 0:1.7.1-9.el6_9
Dependency Removed: perl-Git.noarch 0:1.7.1-9.el6_9
[root@localhost ~]#

[root@localhost ~]# cd /usr/src
Resolving, 2604:1380:3000:3500::3
Connecting to||:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: 5859600 (5.6M) [application/x-gzip]
Saving to: "git-2.8.6.tar.gz"

100%[===================================================================================================================================>] 5,859,600    185K/s   in 41s

2018-02-13 20:01:07 (140 KB/s) - "git-2.8.6.tar.gz" saved [5859600/5859600]

[root@localhost src]# tar xzf git-2.8.6.tar.gz
[root@localhost src]# cd git-2.8.6
[root@localhost git-2.8.6]# make prefix=/usr/local/git all
* new build flags
CC credential-store.o
* new link flags
CC abspath.o
CC advice.o
CC alias.o
CC alloc.o
CC archive.o
CC archive-tar.o
CC archive-zip.o
CC argv-array.o
* new prefix flags
CC attr.o
CC base85.o

[root@localhost git-2.8.6]# make prefix=/usr/local/git install
/usr/bin/perl Makefile.PL PREFIX='/usr/local/git' INSTALL_BASE='' --localedir='/usr/local/git/share/locale'
Writing perl.mak for Git
GEN git-add--interactive
GEN git-difftool
GEN git-archimport
GEN git-cvsexportcommit
GEN git-cvsimport
GEN git-cvsserver
GEN git-relink
GEN git-send-email
GEN git-svn

./check_bindir "z$bindir" "z$execdir" "$bindir/git-add"
[root@localhost git-2.8.6]# echo "export PATH=$PATH:/usr/local/git/bin" >>/etc/bashrc
[root@localhost git-2.8.6]# source /etc/bashrc
[root@localhost git-2.8.6]#

[root@localhost ~]# git --version
git version 2.8.6
[root@localhost ~]#