Failed to open /var/mail/root : No such file or directory Rumi, August 21, 2017 If you’re receiving the following message on webmin- “Failed to open /var/mail/root : No such file or directory”. Possible resolution is- rumi@mordor:~$ rumi@mordor:~$ sudo touch /var/mail/rumi rumi@mordor:~$ sudo chown thufir:mail /var/mail/rumi rumi@mordor:~$ sudo chmod o-r /var/mail/rumi rumi@mordor:~$ sudo chmod g+rw /var/mail/rumi rumi@mordor:~$ rumi@mordor:~$ mail No mail for thufir thufir@mordor:~$ Continue Reading
Best Practices on Email Protection: SPF, DKIM and DMARC Rumi, August 20, 2017 Once we installed Zimbra Collaboration, we need to be aware of some additional configurations that will allow us to send emails to other Email systems with an improve Security, such Gmail, Hotmail, Yahoo!, etc. This Wiki article will show the different Email Protection resources that exists, depends of the volume… Continue Reading
Proxmox VM is locked (backup) Rumi, August 7, 2017 Problem found- Error show: Code: INFO: setting parameters failed – VM is locked (backup) ERROR: Backup of VM 516 failed – command ‘qm set 516 –lock backup’ failed with exit code 255 Resolution: qm unlock <vmid> Continue Reading
Moving MySQL/Windows to same version of MySQL/Linux Rumi, August 5, 2017 Moving MySQL/Windows to same version of MySQL/Linux. You can mysqldump all the databases as follows: C:\> mysqldump -uroot -p –routines –triggers –flush-privileges –all-databases > MySQLData.sql Move MySQLData.sql to Linux box and run the reload mysql -uroot -p < MySQLData.sql Continue Reading
Apache Virtual Hosts on Debian 7 Rumi, August 2, 2017 Virtual Hosts are used to run more than one domain off of a single IP address. This is especially useful to people who need to run several sites off of one virtual private server– each will display different information to the visitors, depending on which website the user is accessing.There… Continue Reading
Convert squid timestamps Rumi, July 27, 2017 When you work with a squid access log file you sometimes want to know when a site or resource was accessed. Squid does not store the date and time information for that in a human readable format. It is stored as <unix timestamp>.<centisecond> so you can use a command like… Continue Reading
Zimbra 8 on Ubuntu 14 with DKIM activation Rumi, June 14, 2017 Step 1 – connect to your server, get root privileges and install this package. apt-get install libgmp10 libperl5.18 unzip pax sysstat sqlite3 dnsmasq wget Configure hostname and DNS Server In this tutorial will use the ‘dnsmasq’ resolving nameserver to speedup DNS lookups in Zimbra. Dnsmask has been installed as prerequisite… Continue Reading
Outlook settings for vestacp Rumi, June 11, 2017 Properly set up a Mail Client in Vesta Control Panel You can use Thunderbird, Apple Mail, Outlook or Outlook Express Use full e-mail address as username IMAP and SMTP STARTTLS with normal passwords Example Settings: Username: william.cage@alpha-mimic.ltd password: aXly8Kbiqo IMAP hostname: alpha-mimic.ltd IMAP port: 143 IMAP security: STARTTLS IMAP auth… Continue Reading
Upgrade mysql 5.5 to 5.6 in Ubuntu 14 Rumi, June 2, 2017 While I was installing idoit- the cmdb and IT documenting platform, struggling with a pre-requisite of having mysql version 5.6 which is not shipped by native in ubuntu 14 installations. So had to google it and found some solution, however the one that worked for me which I’m sharing below:… Continue Reading
Essential Openvz commands Rumi, May 31, 2017 1. Command to list the running VPSs in a node # vzlist Example: # vzlist CTID NPROC STATUS IP_ADDR HOSTNAME 106 104 running xx.xx.xx.xx server1.test.com 107 46 running xx.xx.xx.xx server2.test.com 108 83 running xx.xx.xx.xx server3.test.com 109 86 running xx.xx.xx.xx server4.test.com 2. This command lists all (running and stopped) the VPSs… Continue Reading