Summa’s notes 1, You may need to stop the httpd service first if you are using a non-hosting platform. For example, I am using Centos Stream, to stop the web service, systemctl stop httpd.service When the update is finished, to start the httpd service, systemctl start httpd.service 2, I skipped the steps for deactivating and Read More
How to Fix “Failed to download metadata for repo AppStream” on CentOS 8
Updated on February 10, 2022 I installed a minimalist CentOS 8 on one of my servers. Installation went successful, however, when I tried to update the system using yum update I see this error message: Failed to download metadata for repo. Below is the complete error. [root@autocontroller ~]# yum update CentOS-8 – AppStream 70 B/s | 38 Read More
How to Add DHCP Scope Option 135 – Domain Suffix Search Order in a Windows Server
1. On the 2008 DC running DHCP, open the DHCP MMC. 2. Expand DHCP and select DHCP server name. 3. Right Click IPv4 4. Select “Set Predefined Options” 5. Click Add. 6. Name: “Domain suffix search order” (without the quotation marks) Data Type: String Code: “135” (without the quotation marks) Description: “List of domain suffixes in order” (without Read More
How to Clear Logs To Increase Disk Space on a Palo Alto Firewall
Symptom The /opt/panlogs disk partition is high > show system disk-space Filesystem Size Used Avail Use% Mounted on /dev/root 7.0G 4.1G 2.6G 62% / none 3.2G 92K 3.2G 1% /dev /dev/sda5 16G 2.4G 13G 16% /opt/pancfg /dev/sda6 8.0G 3.2G 4.4G 43% /opt/panrepo tmpfs 2.2G 1.7G 492M 78% /dev/shm cgroup_root 3.2G 0 3.2G 0% /cgroup /dev/sda8 Read More
How to Configure Security Headers in Nginx and Apache
Introduction HTTP security headers are very important part of website security as it protect you against different types of attacks including, XSS, SQL injection, clickjacking, etc. When you visit any website from your web browser, your browser requests it from the web server where the web site is hosted on. The web server then responds Read More
How to Rest Trend Micro Console Password
To reset the root password: Log in to the OfficeScan/Apex One server with admin credentials. Go to this folder: ..\PCCSRV\Admin\Utility\OSCEResetPW. Run OSCEResetPW.exe. Enter the local admin credential, and then click Next. Enter the new password. Click Change Password. … Click Exit.