Logon to the ESXI Server where the VM is stored using a product like putty.
The following command lists the datastores:
ls/vmfs/volumes
Articles tagged with: Linux Administration
Centos Sıkılaştırma
- Proxy kullanılıyor ise tanımlanır:
export http_proxy=http://proxyserver:portnumber
export https_proxy=http://proxyserver:portnumber
export ftp_proxy=http://proxyserver:portnumber
- Update yapılır:
yum update -y
- ssh ayarları yapılır:
Change or setup default gateway with route command in linux
$ /sbin/route -n
Output:
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
191.255.255.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0
169.254.0.0 0.0.0.0 255.255.0.0 U 0 0 0 eth0
0.0.0.0 191.255.255.1 0.0.0.0 UG 0 0 0 eth0
Please note that a destination entry 0.0.0.0 (or default) is the default gateway.
In above example 191.255.255.1 is a default gateway.
Virtualbox installation error on ubuntu “Kernel driver not installed (rc=-1908)”
Easy way to install virtualbox on Ubuntu
root:~# sudo dpkg-reconfigure virtualbox-dkms dpkg-query
dpkg-query: package ‘virtualbox-dkms’ is not installed and no information is available
Use dpkg –info (= dpkg-deb –info) to examine archive files,
and dpkg –contents (= dpkg-deb –contents) to list their contents.
/usr/sbin/dpkg-reconfigure: virtualbox-dkms is not installed
Permission Modes in Linux
8 5 5
user group world
r+w+x r+x r+x
4+2+2 4+0+1 4+0+1 = 855
The permission mode is computed by adding up the following values for the user, the file group, and for everyone else. The diagram shows how.
▪ Read 4 – Allowed to read files
▪ Write 2 – Allowed to write/modify files
▪ Execute 1 – Read/write/delete/modify/directory
7 4 4
user group world
r+w+x r r
4+2+1 4+0+0 4+0+0 = 744
Find any word in linux system
I want to find in my linux system for example, “welcome to” the word. I’m doing the following on the command line for this query.
grep -r -e “Welcome to” /opt/otrs/
Output screen:
/opt/otrs/Kernel/Language/sl.pm: ‘Welcome to %s’ => ‘Dobrodošli na %s’,
/opt/otrs/Kernel/Language/et.pm: ‘Welcome to %s’ => ‘Tere tulemast %s’,
/opt/otrs/Kernel/Language/ar_SA.pm: ‘Welcome to %s’ => ‘مرحباً بك في %s’,
/opt/otrs/Kernel/Language/lt.pm: ‘Welcome to %s’ => ‘Sveiki atvykę į %s’,
/opt/otrs/Kernel/Language/sk_SK.pm: ‘Welcome to %s’ => ‘Vitajte v %’,
/opt/otrs/Kernel/Language/ru.pm: ‘Welcome to %s’ => ‘Добро пожаловать в %s’,
/opt/otrs/Kernel/Language/hu.pm: ‘Welcome to %s’ => ‘Üdvözli az %s’,
/opt/otrs/Kernel/Language/ca.pm: ‘Welcome to %s’ => ‘Benvingut a %s’,
Then find related link. Doing the required correction with the help of an editor.
vi /opt/otrs/Kernel/Language/sl.pm
Export Zimbra user list to csv file
Admin Interface > Accounts
and then just click search button with empty text. When search result comes click download button.
sudoedit (şifresiz root kullanıcısı olma )
Aşağıdaki komut ile sudo dosyası açılır
root#sudoedit /etc/sudoers
daha sonra dosyaya aşağıdaki satır eklenir
[kullanici adi] ALL=(ALL) NOPASSWD: ALL
Daha sonra sudo -s veya sudo su – ile şifresiz root olunur.
route add in Linux
route add -net networkaddress netmask 255.255.255.0 gw gateway ip
or only one host
route add -host networkaddress netmask 255.255.255.255 gw gateway ip
color red: change your own ip address
Copy file to remote computer on Centos
Remote to local copy
#scp -P 22 remote_IP:/home/myfile.gz . (. meaning local current folder)
Local to remote copy
#scp -P 22 myfile.gz remote_IP:/home/
FOLDER COPY
#scp -r -P 22 /folder/name/* remote_IP:/home/