CentOS Login Error:
-bash: ulimit: open files: cannot modify limit: Operation not permitted
Fix:
vi /etc/security/limits.conf
Using user hz as an example, add the following content at the bottom, then log in again:
hz …
Open a terminal with sufficient privileges. This example uses the regular user `sjby365` to change the root password.
sudo passwd # After pressing Enter, you will be prompted to enter the current user’s password, as shown below.
Enter new UNIX password: # Set the root password
Retype new …
1. Modify the current time:
vi /etc/sysconfig/clock
Add the following content:
ZONE="Asia/Shanghai" UTC=false ARC=false
cp /usr/share/zoneinfo/Asia/Shanghai /usr/share/zoneinfo/Asia/Shanghai.bak #Backup
vi /usr/share …
How to Fix Crontab Not Running for Non-Root Users in LNMP/LAMP
I believe anyone familiar with PHP programs has used LNMP or LAMP. A couple of days ago, after installing the LAMP stack from https://lnmp.org/, I found that crontab scheduled tasks were not executing for regular users. The issue went away after uninstalling it.
Here’s how to fix it:
vi /etc/crontab # Edit the file
SHELL=/bin/ …
SVN Update Log Error Fix:
svn: E220001: Item is not readable
Reason: Insufficient read permissions.
Solution:
Open the project configuration file (using my project as an example):
vi /backup/svn/nager/conf/svnserve.conf
[general] anon-access = none …
Error message: locale: Cannot set LC_CTYPE to default locale: No such file or directory locale: Cannot set LC_MESSAGES to default locale: No such file or directory locale: Cannot set LC_ALL to defau …
Command:
#yum -y install rdate #If the situation shown above occurs, you can install the rdate tool with this command
#rdate -s time.nist.gov #Manually sync the time
Set up daily automatic sync:
#crontab -e
30 0 * * * rdate -t 60 -s time. …
How to Install EPEL Repository and Transmission-CLI on CentOS 6 64-Bit
Install EPEL repo:
rpm -ivh http://dl.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm
Install Transmission: yum -y install transmission-cli
Download magnet link: transmission-cli -D -w ./ magnet:? …
One, Yum Installation
Linux Environment: CentOS 6.x x64
1. Install
yum install pure-ftpd -y
vim /etc/pure-ftpd/pure-ftpd.conf
PureDB /etc/pure-ftpd/pureftpd.pdb # Remove the preceding comment
VerboseLog yes # Change to yes
NoAnon …
FTP stands for File Transfer Protocol. When you want to share files with others on a website, the most convenient method is to upload the files to an FTP server, and then others can download the needed files using an FTP client program.
FTP file transfers require communication through specific ports. Generally, the ports needed are:
1. Contr…
