Assumme you want to quickly test out some thing on openSUSE OS, there are many ways to do it, you can spin up a VM on public clould, openstack cloud or you can request a VM to be provisoned by IT team, while all this methods have a wait time ranging from minutes to days,… Read More »
Open your .ovpn and Comment the following line route remote_host 255.255.255.255 net_gateway
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Cause: server ipaddr is not updated in ldap.conf file, Solution: >vi /etc/openldap/ldap.conf URI= ldap://127.0.0.1 0r >URI=ldap://<server_ip>
Mx linut uses lightdm as a default login manager which aks for username and password for logging in to enable autologin for user we have to make changes to the file /etc/lightdm/lightdm.conf and uncomment the line autologin-user=user change it to eg: autologin-user=cipher Due to some reason i faced issue autologin lot working after making the… Read More »
I am using a 11 years old dell d630 laptop having 4gigs of ram, Intel core 2 duo GM965 max clock frequency at 2.0Ghz with 2 cores, laptop boot times were relatively very slow i wanted an upgrade badly. before buying a new laptop i wanted to give a try optimizing laptop to see if… Read More »
In this case im using a ssd drive named /dev/sdb with filesystem formatted to ext4, it is know that ssd has a limited writes cycles eventually wears off overtime compared to normal HDD but ssd has a greater speed advantage compared to hdd drives. Checking ssd current state with smartctl. ssd is dected as sdb… Read More »
Zswap is a kernel feature which provides a compressed RAM cache for swap pages, it works in conjuction with swap space. If swap partition is not present then we can create a swapfile and activate it. Making a filebased swap, Create a 2GB swap partition with “dd” and activate it. [root@localhost cipher]# dd if=/dev/zero of=/mnt/swapfile… Read More »
Red hat certifications are one of the most demanding in the in the IT industry , i wanted to get started with planning working towards getting RHCE certified ,while preparing for rhce certification one of the recommended book is Red Hat RHCSA/RHCE 7 Cert Guide: Red Hat Enterprise Linux 7 (EX200 and EX300) which covers… Read More »
Generally when a network is configured from virsh-define for a particular range say 192.168.4.0 it gateway will be automatically assigned to 192.168.4.1, if the gateway wants to be changed to 192.168.4.2 then it can be done by using virsh-net edit command line option from cli. <route family=’ipv4′ address=’192.168.4.0′ prefix=’24’ gateway=’192.168.4.2’/> Check the existing virsh networks… Read More »